IPC Classification

Class code (prefix) Descriptions Number of results
G06K 1/00 Methods or arrangements for marking the record carrier in digital fashion
G06K 1/02 Methods or arrangements for marking the record carrier in digital fashion by punching
G06K 1/04 Methods or arrangements for marking the record carrier in digital fashion by punching controlled by sensing markings on the record carrier being punched
G06K 1/05 High-speed punches, e.g. controlled by electric computer
G06K 1/06 Manually-controlled devices
G06K 1/08 Card punches
G06K 1/10 Tape punches
G06K 1/12 Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
G06K 1/14 Methods or arrangements for marking the record carrier in digital fashion by transferring data from a similar or dissimilar record carrier
G06K 1/16 Methods or arrangements for marking the record carrier in digital fashion by transferring data from a similar or dissimilar record carrier by reproducing data from one punched card on to one or more punched cards without the code representation, i.e. duplicating
G06K 1/18 Methods or arrangements for marking the record carrier in digital fashion by transferring data from a similar or dissimilar record carrier by transferring data from one type of record carrier on to another type of record carrier, e.g. from magnetic tape to punched card
G06K 1/20 Simultaneous marking of record carrier and printing-out of data, e.g. printing-punch
G06K 1/22 Simultaneous marking and printing on different record carriers, e.g. on different types of record carrier
G06K 3/00 Methods or arrangements for printing of data in the shape of alphanumeric or other characters from a record carrier, e.g. interpreting, printing-out from a magnetic tape
G06K 3/02 Translating markings on a record carrier into printed data on the same record carrier, i.e. interpreting
G06K 5/00 Methods or arrangements for verifying the correctness of markings on a record carrier; Column-detection devices
G06K 5/02 Methods or arrangements for verifying the correctness of markings on a record carrier; Column-detection devices the verifying forming a part of the marking action
G06K 5/04 Verifying the alignment of markings
G06K 7/00 Methods or arrangements for sensing record carriers
G06K 7/01 Methods or arrangements for sensing record carriers - Details
G06K 7/02 Methods or arrangements for sensing record carriers by sonic means
G06K 7/04 Methods or arrangements for sensing record carriers by mechanical means, e.g. by pins operating electric contacts
G06K 7/06 Methods or arrangements for sensing record carriers by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark
G06K 7/08 Methods or arrangements for sensing record carriers by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
G06K 7/10 Methods or arrangements for sensing record carriers by corpuscular radiation
G06K 7/12 Methods or arrangements for sensing record carriers by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
G06K 7/14 Methods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06K 7/015 Aligning or centring of the sensing device with respect to the record carrier
G06K 7/016 Synchronisation of sensing process
G06K 9/00 Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06K 9/03 Detection or correction of errors, e.g. by rescanning the pattern
G06K 9/18 Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints using printed characters having additional code marks or containing code marks, e.g. the character being composed of individual strokes of different shape, each representing a different code value
G06K 9/20 Image acquisition
G06K 9/22 Image acquisition using hand-held instruments
G06K 9/24 Construction of the instrument
G06K 9/26 Image acquisition using a slot moved over the image
G06K 9/28 Image acquisition using discrete sensing elements at predetermined points
G06K 9/30 Image acquisition using automatic curve following means
G06K 9/32 Aligning or centering of the image pick-up or image-field
G06K 9/34 Segmentation of touching or overlapping patterns in the image field
G06K 9/36 Image preprocessing, i.e. processing the image information without deciding about the identity of the image
G06K 9/38 Quantising the analogue image signal
G06K 9/40 Noise filtering
G06K 9/42 Normalisation of the pattern dimensions
G06K 9/44 Smoothing or thinning of the pattern
G06K 9/46 Extraction of features or characteristics of the image
G06K 9/48 Extraction of features or characteristics of the image by coding the contour of the pattern
G06K 9/50 Extraction of features or characteristics of the image by analysing segments intersecting the pattern
G06K 9/52 Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
G06K 9/54 Combinations of preprocessing functions
G06K 9/56 Combinations of preprocessing functions using a local operator, i.e. means to operate on an elementary image point in terms of the immediate surroundings of this point
G06K 9/58 Image preprocessing, i.e. processing the image information without deciding about the identity of the image using optical means
G06K 9/60 Combination of image acquisition and preprocessing functions
G06K 9/62 Methods or arrangements for recognition using electronic means
G06K 9/64 Methods or arrangements for recognition using electronic means using simultaneous comparisons or correlations of the image signals with a plurality of references, e.g. resistor matrix
G06K 9/66 Methods or arrangements for recognition using electronic means using simultaneous comparisons or correlations of the image signals with a plurality of references, e.g. resistor matrix references adjustable by an adaptive method, e.g. learning
G06K 9/68 Methods or arrangements for recognition using electronic means using sequential comparisons of the image signals with a plurality of reference, e.g. addressable memory
G06K 9/70 Methods or arrangements for recognition using electronic means using sequential comparisons of the image signals with a plurality of reference, e.g. addressable memory the selection of the next reference depending on the result of the preceding comparison
G06K 9/72 Methods or arrangements for recognition using electronic means using context analysis based on the provisionally recognised identity of a number of successive patterns, e.g. a word
G06K 9/74 Arrangements for recognition using optical reference masks
G06K 9/76 Arrangements for recognition using optical reference masks using holographic masks
G06K 9/78 Combination of image acquisition and recognition functions
G06K 9/80 Combination of image preprocessing and recognition functions
G06K 9/82 Combination of image preprocessing and recognition functions using optical means in one or both functions
G06K 11/00 Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signals
G06K 11/02 Automatic curve followers
G06K 11/04 Automatic curve followers using an auxiliary scanning pattern
G06K 11/06 Devices for converting the position of a manually-operated writing or tracing member into an electrical signal
G06K 13/00 Conveying record carriers from one station to another, e.g. from stack to punching mechanism
G06K 13/02 Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
G06K 13/04 Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card - Details, e.g. flaps in card-sorting apparatus
G06K 13/05 Capstans; Pinch rollers
G06K 13/06 Guiding cards; Checking correct operation of card-conveying mechanisms
G06K 13/07 Transporting of cards between stations
G06K 13/08 Feeding or discharging cards
G06K 13/10 Feeding or discharging cards from magazine to conveying arrangement
G06K 13/12 Feeding or discharging cards from conveying arrangement to magazine
G06K 13/14 Card magazines, e.g. pocket, hopper
G06K 13/16 Handling flexible sheets, e.g. cheques
G06K 13/18 Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier being longitudinally extended, e.g. punched tape
G06K 13/20 Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier being longitudinally extended, e.g. punched tape - Details
G06K 13/22 Capstans; Pinch rollers
G06K 13/24 Guiding of record carriers; Recognising end of record carrier
G06K 13/26 Winding-up or unwinding of record carriers; Driving of record carriers
G06K 13/28 Winding-up or unwinding of record carriers; Driving of record carriers continuously
G06K 13/30 Winding-up or unwinding of record carriers; Driving of record carriers intermittently
G06K 13/063 Aligning cards
G06K 13/067 Checking presence, absence, correct position, or moving status of cards
G06K 13/073 Transporting of cards between stations with continuous movement
G06K 13/077 Transporting of cards between stations with intermittent movement; Braking or stopping movement
G06K 13/103 Feeding or discharging cards from magazine to conveying arrangement using mechanical means
G06K 13/107 Feeding or discharging cards from magazine to conveying arrangement using pneumatic means
G06K 15/00 Arrangements for producing a permanent visual presentation of the output data
G06K 15/02 Arrangements for producing a permanent visual presentation of the output data using printers
G06K 15/04 Arrangements for producing a permanent visual presentation of the output data using printers by rack-type printers
G06K 15/06 Arrangements for producing a permanent visual presentation of the output data using printers by type-wheel printers
G06K 15/07 Arrangements for producing a permanent visual presentation of the output data using printers by type-wheel printers by continuously-rotating-type-wheel printers, e.g. rotating-type-drum printers
G06K 15/08 Arrangements for producing a permanent visual presentation of the output data using printers by flight printing with type font moving in the direction of the printed line, e.g. chain printers
G06K 15/10 Arrangements for producing a permanent visual presentation of the output data using printers by matrix printers
G06K 15/12 Arrangements for producing a permanent visual presentation of the output data using printers by photographic printing
G06K 15/14 Arrangements for producing a permanent visual presentation of the output data using printers by magnetographic printing
G06K 15/16 Means for paper feeding or form feeding
G06K 15/22 Arrangements for producing a permanent visual presentation of the output data using plotters
G06K 17/00 Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups , e.g. automatic card files incorporating conveying and reading operations
G06K 19/00 Record carriers for use with machines and with at least a part designed to carry digital markings
G06K 19/02 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
G06K 19/04 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
G06K 19/06 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 19/07 Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
G06K 19/08 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
G06K 19/10 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
G06K 19/12 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by magnetic means
G06K 19/14 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
G06K 19/16 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation the marking being a hologram or diffraction grating
G06K 19/18 Constructional details
G06K 19/063 Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code the carrier being marginally punched or notched, e.g. having elongated slots
G06K 19/067 Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards
G06K 19/073 Special arrangements for circuits, e.g. for protecting identification code in memory
G06K 19/077 Constructional details, e.g. mounting of circuits in the carrier
G06K 21/00 Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
G06K 21/02 Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle
G06K 21/04 Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed optically, e.g. peek-a-boo system
G06K 21/06 Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards
G06K 21/08 Apparatus or tools for correcting punching or slotting errors