Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544)
06/1979
06/27/1979EP0002537A2 Device for the non-falsifiable marking of objects
06/26/1979CA1057097A1 Retro-reflective multiple-x optical scanning system
06/19/1979US4158834 Data buffer for a label reader system including a data processor
06/19/1979US4158436 Variable timing circuit for card readers and the like
06/19/1979US4158435 Method and apparatus for reading label bar codes
06/19/1979US4158434 Electronic status determining system for goods
06/19/1979US4158433 Method of and apparatus for securing and storing personal information
06/19/1979CA1056950A1 Device for detecting focussing error in an optical reader head
06/12/1979US4158194 Optical recognition system
06/12/1979CA1056500A1 Read/write machine for magnetic striped document card
06/05/1979CA1056059A1 Variable color label for object identification system
05/1979
05/15/1979US4154396 Digital data reader
05/15/1979US4154268 Reading device, in particular for a shed-forming machine
05/15/1979CA1054717A1 Optical reader correlation circuit
05/15/1979CA1054716A1 Data retrieval and error detection circuitry for a width-modulated bar-code scanning apparatus
05/08/1979US4153895 Mark sense reader
05/01/1979US4152584 Magnetic card reading apparatus with novel card forwarding means
05/01/1979US4152583 System for reading out bar coded labels
04/1979
04/24/1979US4151564 Modular, semiautomatic credit card reader/writer apparatus
04/24/1979US4151405 Ferromagnetic marker pairs for detecting objects having marker secured thereto, and method and system for activating, deactivating and using same
04/24/1979US4150783 Method for reading information from punched carrier and device for effecting same
04/17/1979US4149670 Mark-sense card
04/17/1979US4149669 Reading and recording equipment for cards with a magnetic data carrier
04/10/1979US4148434 Method of producing a binary code and means for using the same
04/03/1979US4147295 Method and apparatus for recognizing bar codes
03/1979
03/27/1979US4146782 Decoder system for light pen bar code reader
03/27/1979US4146781 Data carrier, method and apparatus for placing data on the carrier, and device for reading data from the carrier
03/27/1979US4146175 Bar code converter
03/27/1979US4146174 Self clocking magnetic encoder
03/27/1979US4146046 Coded record and methods of and apparatus for encoding and decoding records
03/27/1979CA1051553A1 Omnidirectional optical scanner
03/20/1979CA1051118A1 Coded information-reading device
03/13/1979US4143809 Optical bar code reader
03/13/1979CA1050313A1 Optical scanner with large depth in focus
03/06/1979US4143358 Wand lamp control
03/06/1979US4142387 Identification device
03/06/1979CA1050064A1 Card validator
02/1979
02/27/1979US4142105 Method for producing a switching signal on the passage of a contrast jump
02/27/1979US4141494 Digital code reader
02/27/1979US4141492 Signature verifier with indicia sensor
02/20/1979US4141044 Magnetically encoded card read/write/capture apparatus
02/20/1979US4140273 Magnetic card drive assembly
02/20/1979US4140271 Method and apparatus to read in bar-coded information
02/20/1979CA1049147A1 Optical character recognition system
02/20/1979CA1049141A1 Value/use control and identification system for magnetic cards
02/20/1979CA1048857A1 Magnetic head control assembly for a magnetic passbook printing system
02/13/1979CA1048649A1 Optical scanner and method for producing a scanning pattern
02/06/1979US4138696 Device for automatically recording, reproducing and translating, a magnetic transducer
02/06/1979CA1048157A1 Video thresholder
02/06/1979CA1048156A1 Method and apparatus for reading coded labels
01/1979
01/30/1979US4137451 Detecting circuit for a photocell pattern sensing assembly
01/30/1979US4137449 Tracking mount assembly
01/30/1979US4136821 Method and apparatus for recognizing code information
01/30/1979US4136820 Automatic calling directory
01/30/1979US4136778 Linen sorter
01/30/1979CA1047649A1 Fingerprint comparator
01/30/1979CA1047643A1 Apparatus for reading a record carrier on which information is stored in an optically readable structure
01/23/1979US4135663 System for recognizing bar code information
01/23/1979CA1047163A1 Magnetic type information card and method and apparatus for encoding and reading
01/16/1979US4134539 Code identification apparatus
01/16/1979US4134538 Process and apparatus for identification of objects
01/09/1979CA1046163A1 Machine readable merchandise marking tag
01/02/1979US4132352 Information reader timing circuit
01/02/1979US4132351 Reflective or transmissive optical reader
01/02/1979CA1045720A2 Coded record and methods of and apparatus for encoding and decoding records
01/02/1979CA1045698A1 Method for discriminating high-temperature red heated material
12/1978
12/26/1978CA1045245A1 Data retrieval and error detection method and apparatus designed for use in a width-modulated bar-code scanning apparatus
12/19/1978US4130756 Encoding mechanism for holed badge readers
12/19/1978US4130738 Bidirectional data transfer and storage system
12/19/1978US4130242 Data storage and retrieval system employing balanced magnetic circuits
12/19/1978CA1044807A2 Label sensor
12/12/1978US4129855 Animal identification system
12/12/1978US4129382 Method and apparatus for storing and reading authenticating information
12/12/1978CA1044304A1 Method and apparatus for detecting data on a photographic recording medium
12/05/1978US4128851 Hand held magnetic card encoder
12/05/1978US4128760 Ambient light compensating circuit
12/05/1978US4128757 Customer initiated ordering system
12/05/1978US4128298 Wand nose with integral light pipe for wand power turn-on
11/1978
11/28/1978USRE29846 Electronic combination lock and system
11/28/1978US4127770 Arrangement for synchronizing an information reading device with the speed of an information medium
11/28/1978US4127232 Method and apparatus for tallying food items selected on menus
11/28/1978CA1043460A1 Magnetic identification apparatus
11/21/1978US4126885 Card recording and/or reproducing apparatus
11/21/1978US4126780 On the fly optical card reader
11/21/1978US4126373 Holographic identification elements and method and apparatus for manufacture thereof
11/21/1978CA1043015A1 Coded label and decoding means and method
11/14/1978US4125765 Label find method and circuit
11/14/1978CA1042530A1 Method and apparatus for identifying a bottle
11/07/1978US4124797 Apparatus and method for reading randomly oriented characters
10/1978
10/31/1978US4123747 Identity verification method and apparatus
10/31/1978US4122997 Optical reader
10/31/1978CA1041666A1 Label reader with rotatable television scan
10/24/1978CA1041199A1 Homodyne communication system
10/17/1978US4121121 Follower response control circuit
10/17/1978US4121102 Object identification system
10/17/1978US4121095 Optical receiver
10/17/1978CA1040741A1 Device for optically scanning an information track on a rotating information carrier
10/10/1978US4119270 Embossed character reader
10/10/1978CA1040313A1 Code recognition apparatus
10/10/1978CA1040312A1 Optical pen for hand scanning digitally encoded records