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G04C 1/00
|
Winding mechanical clocks electrically |
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G04C 1/02
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Winding mechanical clocks electrically by electromagnets |
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G04C 1/04
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Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement |
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G04C 1/06
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Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement winding-up springs |
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G04C 1/08
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Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement raising weights |
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G04C 1/10
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Protection against overwinding |
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G04C 1/12
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Protection against overwinding of the spring |
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G04C 1/14
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Protection against overwinding of the weights |
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G04C 3/00
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Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means |
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G04C 3/02
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Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum |
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G04C 3/04
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Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance |
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G04C 3/06
|
Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance |
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G04C 3/08
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Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork |
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G04C 3/10
|
Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork driven by electromagnetic means |
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G04C 3/12
|
Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork driven by magnetostrictive means |
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G04C 3/14
|
Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor |
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G04C 3/16
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Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor |
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G04C 3/18
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Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating electro-thermal or electro-pneumatic driving means |
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G04C 3/027
|
Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum using electromagnetic coupling between electric power source and pendulum |
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G04C 3/033
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Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum using conical pendulums |
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G04C 5/00
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Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements |
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G04C 9/00
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Electrically-actuated devices for setting the time-indicating means |
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G04C 9/02
|
brought into action by radio transmission |
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G04C 9/04
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Electrically-actuated devices for setting the time-indicating means by blocking the driving means |
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G04C 9/06
|
Electrically-actuated devices for setting the time-indicating means by decoupling the driving means |
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G04C 9/08
|
Electrically-actuated devices for setting the time-indicating means by electric drive |
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G04C 10/00
|
Arrangements of electric power supplies in time-pieces |
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G04C 10/02
|
Arrangements of electric power supplies in time-pieces the power supply being a radioactive source |
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G04C 10/04
|
Arrangements of electric power supplies in time-pieces with means for indicating the condition of the power supply |
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G04C 11/00
|
Synchronisation of independently-driven clocks |
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G04C 11/02
|
by radio |
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G04C 11/04
|
Synchronisation of independently-driven clocks over a line |
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G04C 11/06
|
Synchronisation of independently-driven clocks with direct mechanical action on the time-indicating means |
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G04C 11/08
|
Synchronisation of independently-driven clocks using an electric magnet or motor |
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G04C 13/00
|
Driving mechanisms for clocks by master clocks |
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G04C 13/02
|
Circuit arrangements; Electric clock installations |
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G04C 13/03
|
Pulse transmission systems with additional means for setting the time indication of slave clocks |
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G04C 13/04
|
Master clocks |
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G04C 13/06
|
Contact devices |
|
G04C 13/08
|
Slave clocks actuated intermittently |
|
G04C 13/10
|
Slave clocks actuated intermittently by electromechanical step-advancing mechanisms |
|
G04C 13/11
|
Slave clocks actuated intermittently by electromechanical step-advancing mechanisms with rotating armature |
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G04C 13/12
|
Slave clocks actuated intermittently by continuously-rotating electric motors |
|
G04C 13/14
|
Slave clocks actuated intermittently by electrically-released mechanical driving mechanisms |
|
G04C 15/00
|
Clocks driven by synchronous motors |
|
G04C 17/00
|
Indicating the time optically by electric means |
|
G04C 17/02
|
Indicating the time optically by electric means by electric lamps |
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G04C 19/00
|
Producing optical time signals at prefixed times by electric means |
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G04C 19/02
|
Producing optical time signals at prefixed times by electric means by electric lamps |
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G04C 19/04
|
Producing optical time signals at prefixed times by electric means by indicating members moved electrically, e.g. flap, band |
|
G04C 21/00
|
Producing acoustic time signals by electrical means |
|
G04C 21/02
|
Constructional details |
|
G04C 21/04
|
Indicating the time of the day |
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G04C 21/06
|
Indicating the time of the day by striking mechanism |
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G04C 21/08
|
Indicating the time of the day by striking mechanism with snail |
|
G04C 21/10
|
Indicating the time of the day by striking mechanism with locking plate |
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G04C 21/12
|
Indicating the time of the day by electro-acoustic means |
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G04C 21/14
|
Electro-acoustic time announcement, i.e. spoken |
|
G04C 21/16
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times |
|
G04C 21/18
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by mechanically unlocking an electromechanical vibrator, e.g. actuated by the leakage flux of the electric driving means |
|
G04C 21/20
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm |
|
G04C 21/22
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the arbor of a mechanical alarm work |
|
G04C 21/24
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the spring of a mechanical alarm work |
|
G04C 21/26
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the vibrations caused by the operation of a mechanical alarm work |
|
G04C 21/28
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to put into action electro-acoustic means, e.g. awakening by music |
|
G04C 21/30
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school |
|
G04C 21/32
|
Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school giving indications at a number of places, each at a different time, e.g. system of alarms in a hotel |
|
G04C 21/34
|
Devices on watches or similar portable time-pieces |
|
G04C 21/36
|
Signal-repeating devices |
|
G04C 21/38
|
Adjusting the duration of signals |
|
G04C 23/00
|
Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals |
|
G04C 23/02
|
Constructional details |
|
G04C 23/04
|
Housings, supports, shielding, or similar stationary parts |
|
G04C 23/06
|
Driving or regulating means |
|
G04C 23/08
|
Programming means |
|
G04C 23/10
|
Constructional details for actuating any element which operates, or initiates the operation of, the device concerned |
|
G04C 23/12
|
Electric circuitry |
|
G04C 23/14
|
Mechanisms continuously running to relate the operation(s) to the time of day |
|
G04C 23/16
|
Mechanisms continuously running to relate the operation(s) to the time of day acting only at one preselected time or during one adjustable time interval |
|
G04C 23/18
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times |
|
G04C 23/20
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times with contacts operated, or formed, by clock hands or elements of similar form |
|
G04C 23/22
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times with the actuating element carried by a disc |
|
G04C 23/24
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times with the actuating element carried by a disc the actuating element controlling another element mechanically |
|
G04C 23/26
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating a number of devices at different times |
|
G04C 23/28
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating a number of devices at different times with contacts operated, or formed, by clock hands or elements of similar form |
|
G04C 23/30
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating a number of devices at different times with the actuating element carried by a disc |
|
G04C 23/32
|
Mechanisms continuously running to relate the operation(s) to the time of day for operating a number of devices at different times with the actuating element carried by a disc the actuating element controlling another element mechanically |
|
G04C 23/34
|
Mechanisms continuously running to relate the operation(s) to the time of day with provision for automatic modification of the programme, e.g. on Sunday |
|
G04C 23/36
|
Mechanisms continuously running to relate the operation(s) to the time of day with provision for automatic modification of the programme, e.g. on Sunday by external influences |
|
G04C 23/38
|
Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts |
|
G04C 23/40
|
Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts using continuously-running mechanism |
|
G04C 23/42
|
Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts acting only at the end of a single time interval |
|
G04C 23/44
|
Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts acting only at the end of a single time interval with provision for selection from a number of preset intervals |
|
G04C 23/46
|
Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts acting only at the end of a single time interval with provision for adjustment of the interval |
|
G04C 23/48
|
Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts acting at the ends of successive time intervals |
|
G04C 23/50
|
Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts with provision for modification of the interval(s) by external influences |
|
G04C 99/00
|
Subject matter not provided for in other groups of this subclass |
