Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544)
05/1990
05/16/1990EP0230447B1 Checkout control system
05/15/1990US4926480 Card-computer moderated systems
05/15/1990US4926187 Radio-frequency identification system
05/15/1990US4926182 Microwave data transmission apparatus
05/15/1990US4926049 Reflection type photoelectric switch
05/15/1990US4926033 Linear reciprocating motion device and optical card transporting device which employs the same
05/15/1990US4926032 Reader and/or writer for IC card
05/15/1990US4925262 Method and apparatus for light beam scanning using a hologram
05/14/1990EP0274526A4 Transponder device.
05/10/1990DE3837657A1 Package box with a marking field and method and device for reading these markings
05/09/1990EP0367300A2 Portable laser diode scanning head
05/09/1990EP0367299A2 Portable laser diode scanning head
05/09/1990EP0367298A2 Portable laser diode scanning head
05/09/1990EP0367216A2 Reader/Writer of memory cards
05/09/1990EP0366984A2 Laser diode focusing module for divergent light source
05/09/1990EP0366961A2 Laser diode scanner with minimized power consumption, minimized dead zone, and increased safety
05/09/1990EP0366899A2 Retro-reflective laser diode scanner with beam position control
05/09/1990EP0366890A2 Laser diode scanner with enhanced visibility over extended working distance
05/09/1990EP0366858A1 Bar code field and bar code reader
05/09/1990EP0366739A1 Electric transmission device
05/09/1990CA2002181A1 Chip card receiver
05/09/1990CA2001445A1 Proximity reading of coded tag
05/08/1990US4924219 Retrieval apparatus using logical operators
05/08/1990US4924210 Method of controlling communication in an ID system
05/08/1990US4924199 Optical card for data storage for use in a data recording and retrieving apparatus
05/08/1990US4924171 System for supplying power source by electromagnetic induction coupling
05/08/1990US4924088 Apparatus for reading information marks
05/08/1990US4924078 Identification symbol, system and method
05/08/1990US4923281 Laser diode focusing module, method of fabricating, and method of using
05/02/1990EP0366513A1 Electrical connector for electronic memory cards, process for producing such a connector and read-write device incorporating such a connector
05/01/1990US4922493 Error detection and correction circuit
05/01/1990US4922351 Optical information recording and reproducing apparatus
05/01/1990US4922261 Aerial systems
05/01/1990US4922111 Card type image reader with means for relieving bending stress
05/01/1990US4922109 Device for recognizing authentic documents using optical modulas
05/01/1990US4922086 Write head apparatus for recognizing magnetic characters and method therefor
04/1990
04/26/1990DE3930946A1 Magnetic marking system for articles - has strip markings that pass through AC field to generate detector output
04/26/1990DE3916812A1 Read-write unit for card with integrated circuit - has interlock to block input after card has been loaded
04/26/1990DE3916783A1 Read-write unit for data cards - has slide=in carriage with guide system to bring card against contacts
04/26/1990DE3840180C1 Housing with contact-free feed-through of radio-frequency signals
04/25/1990EP0364676A2 Scanning system with self-adjusted scanning angle
04/25/1990EP0178973B1 Method for marking the form and position of models placed on a sheet material
04/24/1990US4920256 Universal electronic payment terminal base including memory card programming voltage booster
04/24/1990US4920255 Automatic incremental focusing scanner system
04/24/1990CA1268257A1 Digitizer/sequencer device
04/24/1990CA1268254A1 Optical information reading apparatus
04/24/1990CA1268253A1 Portable handheld terminal including optical bar code reader and electromagnetic transceiver
04/19/1990WO1990004245A1 Method and apparatus for scrambling and unscrambling bar code symbols
04/18/1990EP0364029A1 Authenticity mark, document carrying such mark, and process and device for reading and validating such mark
04/18/1990EP0363992A2 Card reader having locking mechanism
04/18/1990EP0363871A2 IC card reader/ writer having a short-circuit detection capability
04/18/1990EP0219513B1 Lightpen
04/17/1990US4918484 Picture frame number discriminating method and apparatus therefor
04/17/1990US4918416 Electronic proximity identification system
04/17/1990US4918415 Data reading and/or writing apparatus for use with an optical card
04/17/1990US4918297 Optical image reading device
04/17/1990US4918296 Article identifying system
04/17/1990CA1267974A1 Optical information recording and reproducing apparatus
04/11/1990EP0363035A1 Commodity data reader
04/11/1990CN1007574B Image reader
04/10/1990US4916687 Apparatus for mounting and rotating an optical card for recording and/or reproducing information
04/10/1990US4916552 Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel
04/10/1990US4916441 Portable handheld terminal
04/10/1990US4916318 Scan type optical reader with changing beam waist position
04/10/1990US4916298 Method for the optical reading of bar codes
04/10/1990US4916297 Code reader
04/10/1990US4916296 Light modulating smart card
04/10/1990US4916295 Document detecting arrangement
04/10/1990US4915639 "Smart" AC receptacle and complementary plug
04/10/1990CA2000405A1 Authenticity mark, document carrying such mark, and process and device for reading and validating such mark
04/10/1990CA1267725A1 Optical information recording-reproducing apparatus and method
04/04/1990EP0362050A2 Memory card
04/04/1990EP0361370A2 Chipcard reader
04/04/1990EP0361296A1 System for reading and coding a magnetic track, carried by a document, by manually moving the document
04/04/1990CN1041049A Information code sheet and method for recognition of this code
04/04/1990CN1007463B Printed data strip including bit-encoded information and scanner control
04/03/1990US4914700 Method and apparatus for scrambling and unscrambling bar code symbols
04/03/1990US4914623 Digital processing of sensor signals for reading binary storage media
04/03/1990US4914280 Optical wand interface to fixed scanner
04/03/1990US4914279 Card reading apparatus having a passive electrical speed controller
03/1990
03/29/1990DE3832375A1 Method and arrangement for detecting objects passing a call-up signal barrier in mine operations
03/28/1990EP0360581A2 Optical system for a large depth-of-field bar code scanner
03/28/1990EP0360345A1 Reading apparatus for a chip card
03/28/1990EP0360250A2 Optical reading apparatus
03/28/1990EP0360249A2 Commodity data reading apparatus
03/28/1990EP0125287B1 Identification system
03/27/1990US4912697 Apparatus and method for preventing recording errors due to a reduction in the relative speed between an information carrying light beam and a recording medium
03/27/1990US4911531 Optical correlator system
03/27/1990US4911217 Integrated circuit transponder in a pneumatic tire for tire identification
03/22/1990WO1990003070A1 Identification system
03/22/1990DE3832104A1 Magnetic head arrangement
03/22/1990DE3830475A1 Hose coupling
03/22/1990DE3153177C1 Device for reading-out and/or storing an information from or respectively in a card exhibiting a memory for the information and being stationary during the exchange of information
03/22/1990DE3153176C2 Device for reading-out and/or storing an information item from or respectively in a card exhibiting a memory for the information and being stationary during the exchange of information
03/21/1990EP0359010A1 X-Scanner
03/20/1990US4909742 IC card and mating socket
03/20/1990US4909356 Fully self-service check-out counter incorporating an integral apparatus for on demand manufacturing of custom-sized bags conforming to the volume of articles received therein
03/14/1990EP0357827A1 Multi-reader for magnetic band cards, optical bar-code cards, electronic microprocessors cards having a light source and a high resolving detector for the card reflected beams
03/14/1990EP0357736A1 Data system for monitoring and/or controlling processes
03/14/1990EP0357729A1 Equipment for reading a non-stationary memory.