Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544)
04/1976
04/20/1976US3952191 Controlled system for focussing a read-out light beam
04/06/1976US3949424 Guide member for use with a magnetic head of a ticket issuing machine
04/06/1976US3949313 Demodulation system for digital information
04/06/1976US3949233 Hand held bar code reader with constant linear amplifier output
04/06/1976US3949195 Sensing rod for the manual scanning of graphic information
04/06/1976US3949194 Check-out terminal
04/06/1976US3949193 Credit card reader having two magnetic readout heads
04/06/1976US3949191 Data storage and retrieval system
03/1976
03/30/1976US3947817 Hand operated optical character recognition wand
03/30/1976US3947816 Omnidirectional optical scanning apparatus
03/30/1976US3947691 Optical embossing reader
03/30/1976US3947666 Card reader
03/30/1976US3947663 Magnetic card writing and reading device
03/30/1976US3947662 Distorted two frequency coded data interpreting method and apparatus
03/30/1976US3947661 Access authenticating system
03/30/1976US3947660 Cash register computing system
03/23/1976US3946206 Magnetic-type information card and method and apparatus for encoding and reading
03/23/1976US3946205 Document feed for optical scanner
03/23/1976US3946204 Card reader protecting device
03/23/1976US3946203 Optical reader fluorescence control
03/23/1976US3946202 Information writing device
03/16/1976US3944979 Method and apparatus for illuminating an object bearing indicia
03/16/1976US3944977 Adaptive and programmed threshold level detection arrangement
03/09/1976US3943563 System and method for recording and reproducing video information on a card
03/09/1976US3943337 Photoelectric punched card reading device
03/09/1976US3943336 Photoelectric scanning systems for reading data appearing in an angular format
03/02/1976US3941979 Read only memory
02/1976
02/24/1976US3940796 Card readout apparatus
02/24/1976US3940795 Verification apparatus using a card scanning means
02/17/1976US3939327 Optical reading apparatus and method
02/10/1976US3938186 Apparatus for converting visually legible numerical characters into a binary code
02/10/1976US3938105 Sequentially encoded data structures that support bidirectional scanning
02/10/1976US3937972 Electromagnetically energized scanning frequency synthesizer
02/10/1976US3937928 Embossed card reader
02/10/1976US3937558 Optical fiber light pen
02/03/1976US3936662 Interlocking system with a number of individual key elements
02/03/1976US3936650 Direction of movement sensing device for a perforated code carrier tape
01/1976
01/27/1976US3935432 Variable color label for object identification system
01/27/1976US3935428 Replaceable passenger tabulating and recording card reader unit
01/27/1976US3935427 Car diagnosis system
01/20/1976US3934120 Device for electroconductive connection and reading
01/13/1976US3932840 Error detection and sequence maintaining system for bar-code readers
01/13/1976US3932731 Code converter
01/06/1976US3931524 Scanning apparatus