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H03K 3/00
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Circuits for generating electric pulses; Monostable, bistable or multistable circuits |
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H03K 3/01
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Circuits for generating electric pulses; Monostable, bistable or multistable circuits - Details |
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H03K 3/02
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Generators characterised by the type of circuit or by the means used for producing pulses |
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H03K 3/03
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Astable circuits |
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H03K 3/04
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback |
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H03K 3/05
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback |
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H03K 3/06
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator |
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H03K 3/08
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator astable |
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H03K 3/09
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Stabilisation of output |
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H03K 3/10
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator monostable |
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H03K 3/011
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Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature |
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H03K 3/012
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Modifications of generator to improve response time or to decrease power consumption |
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H03K 3/013
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Modifications of generator to prevent operation by noise or interference |
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H03K 3/014
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Modifications of generator to ensure starting of oscillations |
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H03K 3/015
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Modifications of generator to maintain energy constant |
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H03K 3/16
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using a transformer for feedback, e.g. blocking oscillator with saturable core |
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H03K 3/017
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Adjustment of width or dutycycle of pulses |
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H03K 3/021
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT |
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H03K 3/22
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using a transformer for feedback, e.g. blocking oscillator with saturable core specially adapted for amplitude comparison, i.e. Multiar |
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H03K 3/023
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback |
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H03K 3/26
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback |
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H03K 3/027
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback |
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H03K 3/28
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback |
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H03K 3/29
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator multistable |
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H03K 3/30
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using a transformer for feedback, e.g. blocking oscillator |
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H03K 3/033
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Monostable circuits |
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H03K 3/35
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region |
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H03K 3/36
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductors, not otherwise provided for |
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H03K 3/037
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Bistable circuits |
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H03K 3/038
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Multistable circuits |
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H03K 3/40
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of electrochemical cells |
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H03K 3/42
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled |
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H03K 3/43
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of beam deflection tubes |
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H03K 3/45
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices |
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H03K 3/47
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices the devices being parametrons |
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H03K 3/49
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices the devices being ferro-resonant |
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H03K 3/51
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices the devices being multi-aperture magnetic cores, e.g. transfluxors |
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H03K 3/53
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback |
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H03K 3/55
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a gas-filled tube having a control electrode |
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H03K 3/57
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device |
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H03K 3/59
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of galvano-magnetic devices, e.g. Hall-effect devices |
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H03K 3/64
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Generators producing trains of pulses, i.e. finite sequences of pulses |
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H03K 3/66
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Generators producing trains of pulses, i.e. finite sequences of pulses by interrupting the output of a generator |
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H03K 3/70
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Generators producing trains of pulses, i.e. finite sequences of pulses by interrupting the output of a generator time intervals between all adjacent pulses of one train being equal |
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H03K 3/72
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Generators producing trains of pulses, i.e. finite sequences of pulses with means for varying repetition rate of trains |
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H03K 3/78
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Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number |
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H03K 3/80
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Generating trains of sinusoidal oscillations |
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H03K 3/84
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Generating pulses having a predetermined statistical distribution of a parameter, e.g. random pulse generators |
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H03K 3/86
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Generating pulses by means of delay lines and not covered by the preceding subgroups |
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H03K 3/0231
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Astable circuits |
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H03K 3/0232
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Monostable circuits |
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H03K 3/0233
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Bistable circuits |
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H03K 3/0234
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Multistable circuits |
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H03K 3/281
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator |
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H03K 3/282
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable |
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H03K 3/283
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Stabilisation of output |
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H03K 3/284
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator monostable |
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H03K 3/286
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable |
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H03K 3/287
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable using additional transistors in the feedback circuit |
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H03K 3/288
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable using additional transistors in the input circuit |
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H03K 3/289
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable of the master-slave type |
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H03K 3/313
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential-jump barriers, and exhibiting a negative resistance characteristic |
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H03K 3/315
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential-jump barriers, and exhibiting a negative resistance characteristic the devices being tunnel diodes |
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H03K 3/335
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with more than two electrodes and exhibiting avalanche effect |
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H03K 3/351
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region the devices being unijunction transistors |
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H03K 3/352
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region the devices being thyristors |
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H03K 3/353
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback |
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H03K 3/354
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Astable circuits |
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H03K 3/355
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Monostable circuits |
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H03K 3/356
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Bistable circuits |
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H03K 3/357
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bulk negative resistance devices, e.g. Gunn-effect devices |
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H03K 3/537
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a spark gap |
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H03K 3/543
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Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a vacuum tube |
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H03K 3/2885
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Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable using additional transistors in the input circuit the input circuit having a differential configuration |
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H03K 3/2893
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Bistables with hysteresis, e.g. Schmitt trigger |
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H03K 3/2897
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Bistables with hysteresis, e.g. Schmitt trigger with an input circuit of differential configuration |
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H03K 3/3525
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Anode gate thyristors or programmable unijunction transistors |
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H03K 3/3562
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Bistable circuits of the master-slave type |
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H03K 3/3565
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Bistables with hysteresis, e.g. Schmitt trigger |
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H03K 3/3568
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Multistable circuits |
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H03K 4/00
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Generating pulses having essentially a finite slope or stepped portions |
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H03K 4/02
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Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform |
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H03K 4/04
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Generating pulses having essentially a finite slope or stepped portions having parabolic shape |
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H03K 4/06
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Generating pulses having essentially a finite slope or stepped portions having triangular shape |
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H03K 4/08
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape |
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H03K 4/10
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only |
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H03K 4/12
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor |
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H03K 4/14
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using two tubes so coupled that the input of each one is derived from the output of the other, e.g. multivibrator |
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H03K 4/16
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a single tube with positive feedback through transformer, e.g. blocking oscillator |
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H03K 4/18
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a single tube exhibiting negative resistance between two of its electrodes, e.g. transitron, dynatron |
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H03K 4/20
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a tube with negative feedback by capacitor, e.g. Miller integrator |
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H03K 4/22
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a tube with negative feedback by capacitor, e.g. Miller integrator combined with transitron, e.g. phantastron, sanatron |
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H03K 4/24
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Boot-strap generators |
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H03K 4/26
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor |
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H03K 4/28
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device |
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H03K 4/32
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses |
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H03K 4/34
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses using a single tube with positive feedback through a transformer |
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H03K 4/36
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses using a single tube exhibiting negative resistance between two of its electrodes, e.g. transitron, dynatron |
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H03K 4/38
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses using a single tube exhibiting negative resistance between two of its electrodes, e.g. transitron, dynatron combined with Miller integrator |
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H03K 4/39
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier |
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H03K 4/41
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier with negative feedback through a capacitor, e.g. Miller integrator |
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H03K 4/43
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier combined with means for generating the driving pulses |
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H03K 4/48
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices |
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H03K 4/50
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor |
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H03K 4/52
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor using two semiconductor devices so coupled that the input of each one is derived from the output of the other, e.g. multivibrator |
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H03K 4/54
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor using a single semiconductor device with positive feedback through a transformer, e.g. blocking oscillator |
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H03K 4/56
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor using a semiconductor device with negative feedback through a capacitor, e.g. Miller integrator |
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H03K 4/58
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Boot-strap generators |
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H03K 4/60
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor |
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H03K 4/62
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device |
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H03K 4/64
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device combined with means for generating the driving pulses |
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H03K 4/66
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device combined with means for generating the driving pulses using a single device with positive feedback, e.g. blocking oscillator |
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H03K 4/68
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Generators in which the switching device is conducting during the fly-back part of the cycle |
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H03K 4/69
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier |
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H03K 4/71
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier with negative feedback through a capacitor, e.g. Miller integrator |
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H03K 4/72
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier combined with means for generating the driving pulses |
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H03K 4/80
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements multi-layer diodes |
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H03K 4/83
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region |
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H03K 4/84
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Generators in which the semiconductor device is conducting during the fly-back part of the cycle |
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H03K 4/86
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements gas-filled tubes |
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H03K 4/88
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements electrochemical cells |
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H03K 4/90
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Linearisation of ramp; Synchronisation of pulses |
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H03K 4/92
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Generating pulses having essentially a finite slope or stepped portions having a waveform comprising a portion of a sinusoid |
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H03K 4/94
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Generating pulses having essentially a finite slope or stepped portions having trapezoidal shape |
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H03K 4/501
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator |
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H03K 4/502
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source |
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H03K 4/787
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic |
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H03K 4/793
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Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with two electrodes and exhibiting a negative resistance characteristic using tunnel diodes |
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H03K 5/00
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Manipulation of pulses not covered by one of the other main groups of this subclass |
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H03K 5/01
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Shaping pulses |
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H03K 5/02
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Shaping pulses by amplifying |
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H03K 5/003
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Changing the DC level |
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H03K 5/04
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Shaping pulses by decreasing duration |
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H03K 5/05
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Shaping pulses by decreasing duration by the use of clock signals or other time reference signals |
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H03K 5/06
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Shaping pulses by decreasing duration by the use of delay lines or other analogue delay elements |
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H03K 5/07
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Shaping pulses by decreasing duration by the use of resonant circuits |
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H03K 5/08
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Shaping pulses by limiting, by thresholding, by slicing, i.e. combined limiting and thresholding |
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H03K 5/12
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Shaping pulses by steepening leading or trailing edges |
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H03K 5/13
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Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals |
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H03K 5/14
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Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of delay lines |
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H03K 5/15
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Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors |
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H03K 5/19
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Monitoring patterns of pulse trains |
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H03K 5/22
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Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral |
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H03K 5/24
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Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude |
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H03K 5/26
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Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence |
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H03K 5/125
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Discriminating pulses |
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H03K 5/131
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Digitally controlled |
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H03K 5/133
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Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals using a chain of active-delay devices |
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H03K 5/134
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Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals using a chain of active-delay devices with field-effect transistors |
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H03K 5/135
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Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of time reference signals, e.g. clock signals |
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H03K 5/145
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Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of resonant circuits |
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H03K 5/151
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Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with two complementary outputs |
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H03K 5/153
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Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant |
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H03K 5/156
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Arrangements in which a continuous pulse train is transformed into a train having a desired pattern |
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H03K 5/159
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Applications of delay lines not covered by the preceding subgroups |
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H03K 5/1252
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Suppression or limitation of noise or interference |
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H03K 5/1254
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Suppression or limitation of noise or interference specially adapted for pulses generated by closure of switches, i.e. anti-bouncing devices |
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H03K 5/1532
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Peak detectors |
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H03K 5/1534
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Transition or edge detectors |
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H03K 5/1536
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Zero-crossing detectors |
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H03K 6/00
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Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass |
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H03K 6/02
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Amplifying pulses |
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H03K 6/04
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Modifying slopes of pulses, e.g. S-correction |
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H03K 7/00
|
Modulating pulses with a continuously-variable modulating signal |
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H03K 7/02
|
Amplitude modulation, i.e. PAM |
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H03K 7/04
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Position modulation, i.e. PPM |
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H03K 7/06
|
Frequency or rate modulation, i.e. PFM or PRM |
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H03K 7/08
|
Duration or width modulation |
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H03K 7/10
|
Combined modulation, e.g. rate modulation and amplitude modulation |
|
H03K 9/00
|
Demodulating pulses which have been modulated with a continuously-variable signal |
|
H03K 9/02
|
Demodulating pulses which have been modulated with a continuously-variable signal of amplitude-modulated pulses |
|
H03K 9/04
|
Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses |
|
H03K 9/06
|
Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses |
|
H03K 9/08
|
Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-modulated pulses |
|
H03K 9/10
|
Demodulating pulses which have been modulated with a continuously-variable signal of pulses having combined modulation |
|
H03K 11/00
|
Transforming types of modulation, e.g. position-modulated pulses into duration-modulated pulses |
|
H03K 12/00
|
Producing pulses by distorting or combining sinusoidal waveforms |
|
H03K 17/00
|
Electronic switching or gating, i.e. not by contact-making and -breaking |
|
H03K 17/04
|
Modifications for accelerating switching |
|
H03K 17/06
|
Modifications for ensuring a fully conducting state |
|
H03K 17/08
|
Modifications for protecting switching circuit against overcurrent or overvoltage |
|
H03K 17/10
|
Modifications for increasing the maximum permissible switched voltage |
|
H03K 17/12
|
Modifications for increasing the maximum permissible switched current |
|
H03K 17/13
|
Modifications for switching at zero crossing |
|
H03K 17/14
|
Modifications for compensating variations of physical values, e.g. of temperature |
|
H03K 17/16
|
Modifications for eliminating interference voltages or currents |
|
H03K 17/18
|
Modifications for indicating state of switch |
|
H03K 17/20
|
Modifications for resetting core switching units to a predetermined state |
|
H03K 17/22
|
Modifications for ensuring a predetermined initial state when the supply voltage has been applied |
|
H03K 17/24
|
Storing the actual state when the supply voltage fails |
|
H03K 17/26
|
Modifications for temporary blocking after receipt of control pulses |
|
H03K 17/28
|
Modifications for introducing a time delay before switching |
|
H03K 17/30
|
Modifications for providing a predetermined threshold before switching |
|
H03K 17/041
|
Modifications for accelerating switching without feedback from the output circuit to the control circuit |
|
H03K 17/042
|
Modifications for accelerating switching by feedback from the output circuit to the control circuit |
|
H03K 17/51
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components |
|
H03K 17/52
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of gas-filled tubes |
|
H03K 17/54
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of vacuum tubes |
|
H03K 17/56
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices |
|
H03K 17/58
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being tunnel diodes |
|
H03K 17/60
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being bipolar transistors |
|
H03K 17/61
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being bipolar transistors with galvanic isolation between the control circuit and the output circuit using transformer coupling |
|
H03K 17/62
|
Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors |
|
H03K 17/64
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads |
|
H03K 17/66
|
Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will |
|
H03K 17/68
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being bipolar transistors specially adapted for switching ac currents or voltages |
|
H03K 17/70
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices having only two electrodes and exhibiting negative resistance |
|
H03K 17/72
|
Bipolar semiconductor devices with more than two PN junctions, e.g. thyristors, programmable unijunction transistors, or with more than three electrodes, e.g. silicon controlled switches, or with more than one electrode connected to the same conducti |
|
H03K 17/73
|
Bipolar semiconductor devices with more than two PN junctions, e.g. thyristors, programmable unijunction transistors, or with more than three electrodes, e.g. silicon controlled switches, or with more than one electrode connected to the same conducti for dc voltages or currents |
|
H03K 17/74
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of diodes |
|
H03K 17/76
|
Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors |
|
H03K 17/78
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled |
|
H03K 17/79
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region |
|
H03K 17/80
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of non-linear magnetic or dielectric devices |
|
H03K 17/081
|
Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit |
|
H03K 17/082
|
Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit |
|
H03K 17/84
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of non-linear magnetic or dielectric devices the devices being thin-film devices |
|
H03K 17/86
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of non-linear magnetic or dielectric devices the devices being twistors |
|
H03K 17/88
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of beam-deflection tubes |
|
H03K 17/90
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices |
|
H03K 17/92
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of superconductive devices |
|
H03K 17/94
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the way in which the control signals are generated |
|
H03K 17/95
|
Proximity switches using a magnetic detector |
|
H03K 17/96
|
Touch switches |
|
H03K 17/97
|
Switches controlled by moving an element forming part of the switch using a magnetic movable element |
|
H03K 17/98
|
Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard |
|
H03K 17/284
|
Modifications for introducing a time delay before switching in field-effect transistor switches |
|
H03K 17/288
|
Modifications for introducing a time delay before switching in tube switches |
|
H03K 17/292
|
Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches |
|
H03K 17/296
|
Modifications to provide a choice of time-intervals for executing more than one switching action and automatically terminating their operation after the programme is completed |
|
H03K 17/0412
|
Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the control circuit |
|
H03K 17/0414
|
Anti-saturation measures |
|
H03K 17/0416
|
Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit |
|
H03K 17/0422
|
Anti-saturation measures |
|
H03K 17/0424
|
Modifications for accelerating switching by feedback from the output circuit to the control circuit by the use of a transformer |
|
H03K 17/567
|
Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT |
|
H03K 17/605
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being bipolar transistors with galvanic isolation between the control circuit and the output circuit |
|
H03K 17/615
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being bipolar transistors in a Darlington configuration |
|
H03K 17/687
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors |
|
H03K 17/689
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors with galvanic isolation between the control circuit and the output circuit |
|
H03K 17/691
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors with galvanic isolation between the control circuit and the output circuit using transformer coupling |
|
H03K 17/693
|
Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors |
|
H03K 17/695
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors having inductive loads |
|
H03K 17/722
|
Bipolar semiconductor devices with more than two PN junctions, e.g. thyristors, programmable unijunction transistors, or with more than three electrodes, e.g. silicon controlled switches, or with more than one electrode connected to the same conducti with galvanic isolation between the control circuit and the output circuit |
|
H03K 17/723
|
Bipolar semiconductor devices with more than two PN junctions, e.g. thyristors, programmable unijunction transistors, or with more than three electrodes, e.g. silicon controlled switches, or with more than one electrode connected to the same conducti with galvanic isolation between the control circuit and the output circuit using transformer coupling |
|
H03K 17/725
|
Bipolar semiconductor devices with more than two PN junctions, e.g. thyristors, programmable unijunction transistors, or with more than three electrodes, e.g. silicon controlled switches, or with more than one electrode connected to the same conducti for ac voltages or currents |
|
H03K 17/732
|
Measures for enabling turn-off |
|
H03K 17/735
|
Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors |
|
H03K 17/785
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling field-effect transistor switches |
|
H03K 17/795
|
Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors |
|
H03K 17/0812
|
Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit |
|
H03K 17/0814
|
Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit |
|
H03K 17/945
|
Proximity switches |
|
H03K 17/955
|
Proximity switches using a capacitive detector |
|
H03K 17/965
|
Switches controlled by moving an element forming part of the switch |
|
H03K 17/967
|
Switches controlled by moving an element forming part of the switch having a plurality of control members, e.g. keyboard |
|
H03K 17/968
|
Switches controlled by moving an element forming part of the switch using opto-electronic devices |
|
H03K 17/969
|
Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard |
|
H03K 17/972
|
Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard |
|
H03K 17/975
|
Switches controlled by moving an element forming part of the switch using a capacitive movable element |
|
H03K 19/00
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits |
|
H03K 19/01
|
Modifications for accelerating switching |
|
H03K 19/02
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components |
|
H03K 19/003
|
Modifications for increasing the reliability |
|
H03K 19/04
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using gas-filled tubes |
|
H03K 19/06
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using vacuum tubes |
|
H03K 19/007
|
Fail-safe circuits |
|
H03K 19/08
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices |
|
H03K 19/09
|
Resistor–transistor logic |
|
H03K 19/10
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using tunnel diodes |
|
H03K 19/12
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using diode rectifiers |
|
H03K 19/013
|
Modifications for accelerating switching in bipolar transistor circuits |
|
H03K 19/14
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled |
|
H03K 19/16
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices |
|
H03K 19/17
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using twistors |
|
H03K 19/18
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using galvano-magnetic devices, e.g. Hall-effect devices |
|
H03K 19/19
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using dielectric elements with variable dielectric constant, e.g. ferro-electric capacitors using ferro-resonant devices |
|
H03K 19/20
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits |
|
H03K 19/21
|
EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical |
|
H03K 19/23
|
Majority or minority circuits, i.e. giving output having the state of the majority or the minority of the inputs |
|
H03K 19/082
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using bipolar transistors |
|
H03K 19/084
|
Diode–transistor logic |
|
H03K 19/086
|
Emitter coupled logic |
|
H03K 19/088
|
Transistor–transistor logic |
|
H03K 19/091
|
Integrated injection logic or merged transistor logic |
|
H03K 19/094
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using field-effect transistors |
|
H03K 19/096
|
Synchronous circuits, i.e. using clock signals |
|
H03K 19/098
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using thyristors |
|
H03K 19/162
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices using parametrons |
|
H03K 19/164
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices using ferro-resonant devices |
|
H03K 19/166
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices using transfluxors |
|
H03K 19/168
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices using thin-film devices |
|
H03K 19/173
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components |
|
H03K 19/0175
|
Coupling arrangements; Interface arrangements |
|
H03K 19/177
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form |
|
H03K 19/0185
|
Coupling arrangements; Interface arrangements using field-effect transistors only |
|
H03K 19/195
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices |
|
H03K 19/0944
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using field-effect transistors using MOSFET |
|
H03K 19/0948
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using field-effect transistors using MOSFET using CMOS |
|
H03K 19/0952
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using field-effect transistors using Schottky type FET |
|
H03K 19/0956
|
Schottky diode FET logic |
|
H03K 19/1776
|
Structural details of configuration resources for memories |
|
H03K 19/1778
|
Structural details for adapting physical parameters |
|
H03K 19/17704
|
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form the logic functions being realised by the interconnection of rows and columns |
|
H03K 19/17724
|
Structural details of logic blocks |
|
H03K 19/17728
|
Reconfigurable logic blocks, e.g. lookup tables |
|
H03K 19/17732
|
Macroblocks |
|
H03K 19/17736
|
Structural details of routing resources |
|
H03K 19/17748
|
Structural details of configuration resources |
|
H03K 19/17752
|
Structural details of configuration resources for hot reconfiguration |
|
H03K 19/17756
|
Structural details of configuration resources for partial configuration or partial reconfiguration |
|
H03K 19/17758
|
Structural details of configuration resources for speeding up configuration or reconfiguration |
|
H03K 19/17764
|
Structural details of configuration resources for reliability |
|
H03K 19/17768
|
Structural details of configuration resources for security |
|
H03K 19/17772
|
Structural details of configuration resources for powering on or off |
|
H03K 19/17784
|
Structural details for adapting physical parameters for supply voltage |
|
H03K 19/17788
|
Structural details for adapting physical parameters for input/output [I/O] voltages |
|
H03K 19/17792
|
Structural details for adapting physical parameters for operating speed |
|
H03K 19/17796
|
Structural details for adapting physical parameters for physical disposition of blocks |
|
H03K 21/00
|
PULSE TECHNIQUE - Details of pulse counters or frequency dividers |
|
H03K 21/02
|
Input circuits |
|
H03K 21/08
|
Output circuits |
|
H03K 21/10
|
Output circuits comprising logic circuits |
|
H03K 21/12
|
Output circuits with parallel read-out |
|
H03K 21/14
|
Output circuits with series read-out of number stored |
|
H03K 21/16
|
Circuits for carrying-over pulses between successive decades |
|
H03K 21/17
|
Circuits for carrying-over pulses between successive decades with field-effect transistors |
|
H03K 21/18
|
Circuits for visual indication of the result |
|
H03K 21/20
|
Circuits for visual indication of the result using glow-discharge lamps |
|
H03K 21/38
|
Starting, stopping, or resetting the counter |
|
H03K 21/40
|
Monitoring; Error detection; Preventing or correcting improper counter operation |
|
H03K 23/00
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains |
|
H03K 23/40
|
Gating or clocking signals applied to all stages, i.e. synchronous counters |
|
H03K 23/42
|
Out-of-phase gating or clocking signals applied to counter stages |
|
H03K 23/44
|
Out-of-phase gating or clocking signals applied to counter stages using field-effect transistors |
|
H03K 23/46
|
Out-of-phase gating or clocking signals applied to counter stages using charge transfer devices, i.e. bucket brigade or charge coupled devices |
|
H03K 23/48
|
Gating or clocking signals applied to all stages, i.e. synchronous counters with a base or radix other than a power of two |
|
H03K 23/50
|
Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits |
|
H03K 23/52
|
Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits using field-effect transistors |
|
H03K 23/54
|
Ring counters, i.e. feedback shift register counters |
|
H03K 23/56
|
Reversible counters |
|
H03K 23/58
|
Gating or clocking signals not applied to all stages, i.e. asynchronous counters |
|
H03K 23/60
|
Gating or clocking signals not applied to all stages, i.e. asynchronous counters with field-effect transistors |
|
H03K 23/62
|
Gating or clocking signals not applied to all stages, i.e. asynchronous counters reversible |
|
H03K 23/64
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two |
|
H03K 23/66
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses |
|
H03K 23/68
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is a non-integer |
|
H03K 23/70
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is an odd number |
|
H03K 23/72
|
Decade counters |
|
H03K 23/74
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains using relays |
|
H03K 23/76
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains using magnetic cores or ferro-electric capacitors |
|
H03K 23/78
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains using opto-electronic devices |
|
H03K 23/80
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains using semiconductor devices having only two electrodes, e.g. tunnel diode, multi-layer diode |
|
H03K 23/82
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains using gas-filled tubes |
|
H03K 23/84
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains using thyristors or unijunction transistors |
|
H03K 23/86
|
Pulse counters comprising counting chains; Frequency dividers comprising counting chains reversible |
|
H03K 25/00
|
Pulse counters with step-by-step integration and static storage; Analogous frequency dividers |
|
H03K 25/02
|
Pulse counters with step-by-step integration and static storage; Analogous frequency dividers comprising charge storage, e.g. capacitor without polarisation hysteresis |
|
H03K 25/04
|
Pulse counters with step-by-step integration and static storage; Analogous frequency dividers comprising charge storage, e.g. capacitor without polarisation hysteresis using auxiliary pulse generator triggered by the incoming pulses |
|
H03K 25/12
|
Pulse counters with step-by-step integration and static storage; Analogous frequency dividers comprising hysteresis storage |
|
H03K 27/00
|
Pulse counters in which pulses are continuously circulated in a closed loop; Analogous frequency dividers |
|
H03K 29/00
|
Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers |
|
H03K 29/04
|
Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers using multi-cathode gas discharge tubes |
|
H03K 29/06
|
Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers using beam-type tubes, e.g. magnetrons, cathode-ray tubes |
|
H03K 99/00
|
Subject matter not provided for in other groups of this subclass |
