Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544)
01/1978
01/31/1978US4071740 Mobile automated shopping system
01/24/1978US4070584 Object-identification system with sequentially activated photocell array
01/10/1978US4068232 Passive encoding microwave transponder
01/10/1978US4068227 Control means for an optical bar code serial printer
01/10/1978US4068212 Method and apparatus for identifying characters printed on a document which cannot be machine read
01/03/1978US4066910 Transmissivity-coded data card systems
01/03/1978US4066850 Keyboard switch assembly having interchangeable cover plate, indicating layer and actuator switch assembly in any operative combination
12/1977
12/20/1977US4064390 Method and apparatus for reading coded labels
12/06/1977US4062050 Magnetic card reader
12/06/1977US4061900 Indicia validation system
11/1977
11/22/1977US4059225 Labels and label readers
11/22/1977US4059224 Code recognition record medium and technique
11/15/1977US4058839 Magnetic-type information card and method and apparatus for encoding and reading
11/15/1977US4058723 Illumination and detection system for microfiche identification marks
11/15/1977US4058708 Bar code reader and decoder
11/15/1977US4058705 Magnetic card reader
11/08/1977USRE29470 Control mechanisms for document-handling apparatus
11/08/1977US4057784 Bi-directional scanner assembly
11/01/1977US4056849 High speed buffered tape reader with low tape stress
11/01/1977US4056712 Magnetic transducer
11/01/1977US4056711 Method and apparatus for programming microprocessors
11/01/1977US4056710 System for decoding bar code
10/1977
10/25/1977US4055747 Apparatus and method for the synchronous reading of data from a punched card
10/25/1977US4055746 Method of and apparatus for securing and storing personal information
10/18/1977USRE29449 Card reader
10/18/1977US4054361 Beam scanning device with line image formed by and reflected to optical element
10/11/1977US4053736 Digital rate compensator for a card reader
10/04/1977US4052742 Magnetic tape recorder drive mechanism having a latching member with a pause mode and a stop mode
10/04/1977US4052594 Mark reader with improved mark sensing heads
09/1977
09/13/1977US4048617 Retrace data elimination
09/06/1977US4047156 Reactively decoupled dual channel keying circuit for wide-band frequency modulated keyable control circuit
09/06/1977US4047033 Checking an identity, authority or check document or the like
09/06/1977US4047023 Color mark detector with pulsed source and synchronous demodulation
09/06/1977US4047000 Control system for computer controlled identification of bottles
09/06/1977US4046994 Control card receiving and sensing assembly
08/1977
08/23/1977US4044393 Hand guided tape player
08/23/1977US4044331 Data input apparatus having bidirectional reader for inputting alternative messages
08/23/1977US4044230 Perforated tape reader
08/23/1977US4044229 Device for electroconductive connection and reading
08/23/1977US4044227 Bar code reader
08/23/1977US4043632 Scanning polygon with adjustable mirrors
08/16/1977US4042807 Apparatus for the processing of documents
08/09/1977US4041322 Apparatus for generating polyphase scan patterns
08/09/1977US4041279 Data reading device
08/09/1977US4041259 Switch mechanism
08/02/1977US4040108 Magnetic sheet reader
08/02/1977US4040097 Magnetic card-reader with movable magnetic head
07/1977
07/26/1977US4038596 Method and apparatus for authenticating a record medium consisting of applying two different strength magnetizing fields and monitoring the remanent fields
07/26/1977US4038522 Integrated card reader system
07/12/1977US4035623 Security cards
07/12/1977US4035615 System for accepting wide ranges of universal product code system
07/12/1977US4035614 Card validating apparatus
07/05/1977US4034230 Electro-optical bar-code scanning unit
07/05/1977US4034211 System and method for providing a security check on a credit card
06/1977
06/28/1977US4032888 Nonlinear scan drive reader with variable clock correction
06/28/1977US4032753 Programming apparatus
06/21/1977US4031358 Optical code readers
06/21/1977US4030589 Data processing machine
06/14/1977US4029945 Card and card reader apparatus therefor
06/14/1977US4029944 Data transducer
06/07/1977US4028537 Product processing system with price printer
06/07/1977US4028528 Code scanning system
05/1977
05/31/1977US4027267 Method of decoding data content of F2F and phase shift encoded data streams
05/31/1977US4027154 Electronic document detector circuitry with feedback control
05/31/1977US4026630 Scanning apparatus using holographic beam deflector
05/24/1977US4025956 Printing machine
05/24/1977US4025784 Device for detecting focussing error in an optical reader head
05/24/1977US4025761 Optical system for code symbol scanners
05/24/1977US4025442 Coded label and decoding means and method
05/17/1977US4024578 Scan control and sensor sampling system for self-scanned photosensor arrays
05/17/1977US4024379 Binary system for magnetic card actuation for laundry machines
05/10/1977US4023203 System for compensating a phase difference between magnetic tracks in a magnetic recorded information regenerating apparatus
05/10/1977US4023167 Radio frequency detection system and method for passive resonance circuits
05/10/1977US4023048 Self-scanning photo-sensitive circuits
05/10/1977US4023040 Sensing device using photocells, for color identification
05/10/1977US4023033 Optical focussing device
05/10/1977US4023010 Optical identification system and reader for reading optical gratings on a record medium
05/03/1977US4021728 Magnetic field sensing apparatus for sensing the proximity of a member having high magnetic permeability without requiring an external field source
05/03/1977US4020924 Window structure for optical code reading scanners
05/03/1977US4020536 Method of constructing credit cards for automatic vending equipment and credit purchase systems
04/1977
04/26/1977US4020474 Manipulatable read-out memory
04/26/1977US4020357 Signal processing for print scanners
04/26/1977US4020327 Apparatus for reading optical codes
04/26/1977US4020325 Magnetic card substitute for coins for starting appliances and the like
04/19/1977US4019065 Multiplexing document card reader with convex lens
04/19/1977US4019026 Laser beam label reader head
04/19/1977US4018504 Retro-reflective multiple-X optical scanning system
04/12/1977US4017834 Credit card construction for automatic vending equipment and credit purchase systems
03/1977
03/29/1977US4015107 Weighted pulse signal count system
03/22/1977US4013893 Optical bar code scanning device
03/15/1977US4012716 Coded record and method of and system for interpreting the record
03/15/1977US4012143 Multi-axis laser scanner
03/08/1977US4011435 Optical indicia marking and detection system
03/01/1977US4010355 Semiconductor wafer having machine readable indicies
03/01/1977US4010354 Method and apparatus for tire identification
02/1977
02/22/1977US4009369 Polyphase scanner for bar code symbols
02/08/1977US4007377 Optical scanning system for universal product code
02/08/1977US4007355 Data-transfer system
02/01/1977US4006343 Code read-out means
02/01/1977US4006341 Card comparing apparatus