Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544)
04/1991
04/24/1991EP0423645A2 Portable laser diode scanning head
04/24/1991EP0390779A4 Continuously armed high reliability pulse train processor
04/23/1991US5010534 Optical information recording-reproducing apparatus
04/23/1991US5010242 Method and apparatus for variable speed scanning of bar codes
04/23/1991US5010241 Sensor array and illumination system for a large depth-of-field bar code scanner
04/23/1991US5010239 IC card reader/writer
04/23/1991US5009473 Low vibration resonant scanning unit for miniature optical display apparatus
04/18/1991DE3933795A1 Dustcart-mounted measurer for domestic rubbish - has computer and interrogation device and passive transponders integrated in refuse containers
04/18/1991DE3932610A1 Bar-code reader for semiconductor chips - has optical system illuminating markings and forming image of reflected light on sensor
04/17/1991EP0423038A1 Method for authentication of an object by means of electron spin resonance, apparatus for implementing this method and object to be used with it
04/17/1991EP0422952A2 Focused line identifier for a bar code reader
04/17/1991EP0422482A2 Coding device for ulteriorly coding electrically conductive code arrangements
04/17/1991EP0422481A2 Electric code reader
04/17/1991EP0422230A1 Data carrier and data communication apparatus using the same
04/17/1991EP0248903B1 Process and circuit for compensating changes in the parameters of an optical emitter and an optical receiver in an optical scanner
04/17/1991EP0245511B1 Optical card reader
04/16/1991US5008520 Method and apparatus for reading a bar code on a moving sheet
04/16/1991CA1283205C Dual stripe optical data card
04/11/1991DE4004196C1 Transponder transferring stored measurement data to interrogator - operates without battery using capacitor charged by rectified HF pulses
04/11/1991DE4001163A1 Reading of identification code for access to secured area - using inductive non-contact reading of code carrier located on object
04/10/1991EP0421673A2 Checkout system
04/10/1991EP0420908A1 A mark-detecting method and apparatus therefor.
04/09/1991US5006699 System for collecting medical data
04/09/1991US5006422 Visual magnetic recording medium and method of making the same
04/09/1991US5005690 Conveyor carriage
04/09/1991US5005669 Commodity data inputting device
04/09/1991US5005329 Window seal for optical scanner
04/09/1991CA1282846C Header device
04/04/1991WO1991004550A1 Laser scanner for bar code reader
04/04/1991WO1991004548A1 Chip card reader
04/04/1991WO1991004547A2 Chip card reader
04/04/1991DE3931506A1 Chipkartenleser Smart card reader
04/03/1991EP0420643A1 Point-of-sale data terminal
04/03/1991EP0420613A2 Data-written medium
04/03/1991EP0420180A1 Transponder for vehicle identification device
04/03/1991EP0420030A2 Bar code as well as procedure and device for reading such a code
04/02/1991US5004916 Wrist support
04/02/1991US5004898 Optical reading device
04/02/1991US5004896 Optical document scanning and mark sensing
03/1991
03/28/1991DE3931044A1 Opto-electrical bar-code scanner - has line scanner arranged on carrier driven by electric motor shaft
03/27/1991EP0419226A2 Signal processing circuit of a bar code reader
03/27/1991EP0418906A2 Card type integrated circuit applicable to systems with different bits
03/27/1991EP0418328A1 Card-computer moderated systems.
03/26/1991US5003409 Dual layered magnetic data card with reading and recording apparatus
03/26/1991US5003189 Check-processing system
03/26/1991US5003164 Portable laser scanning system and scanning methods having a motor amplitude regulator circuit
03/26/1991US5002250 Platen for an original
03/23/1991WO1991004549A1 Magnetic code reader with adjustable thresholds
03/21/1991WO1991003801A1 Fraud detection in credit cards
03/21/1991WO1991003800A1 Data transfer head
03/20/1991EP0417616A2 Device for receiving a transportable data memory in the form of a card or a plate
03/20/1991EP0417267A1 Vehicle tire identification system.
03/19/1991US5001458 Method of remote sensing of objects
03/19/1991US5001330 Optically scanned document with fail-safe marking
03/19/1991US5000529 Optical scanner
03/19/1991CA1281815C Reader/writer apparatus for optical memory card
03/13/1991EP0417045A1 Apparatus for data transmission
03/13/1991EP0416960A1 IC card holder
03/13/1991EP0416958A1 IC card processing system
03/13/1991EP0416853A2 Label issuing apparatus
03/13/1991EP0416826A1 Method of identifying information and information member for use in the method
03/13/1991EP0416582A2 Reader
03/12/1991US4999661 Camera having selective functions
03/12/1991US4999617 Device for reading patterns displayed on a display unit
03/12/1991US4999601 Memory card read/write device provided with an anti-fraud device
03/12/1991US4999482 Optical scanning system for a bar code reader
03/07/1991WO1991003109A1 A method for the contactless transmission of information
03/06/1991EP0415763A2 Scanning tunneling microscope utilizing optical fluorescent for reading
03/05/1991US4998010 Polygonal information encoding article, process and system
03/01/1991CA2021582A1 Scanning tunneling microscope utilizing optical fluorescent for reading
02/1991
02/27/1991EP0414604A2 Magnetic stripe reading apparatus for passbook
02/27/1991EP0414466A2 Method and apparatus for machine reading of retroreflective vehicle identification articles
02/27/1991EP0414452A1 Hand-held bar code reader
02/27/1991EP0414390A1 Card reader
02/27/1991EP0414281A2 Portable laser diode scanning head
02/27/1991EP0330656B1 Method of remote sensing of objects and apparatus therefor
02/26/1991US4996677 Multichannel magnetic and optical linear head
02/26/1991CA1280826C Bar code symbol readers with variable spot size and/or working distance
02/23/1991CA2020748A1 Method and apparatus for machine reading of retroreflective vehicle identification articles
02/20/1991EP0413600A2 Removable window carrier for mounting in a scanner checkout counter
02/20/1991EP0413534A1 Thread detector assembly
02/19/1991US4995004 RAM/ROM hybrid memory architecture
02/19/1991US4994658 A reader/writer
02/19/1991US4993802 Randomizing optical converter for illumination beam and method utilizing same
02/13/1991EP0412884A1 Radio system for data transmission to a low cost passive terminal
02/13/1991EP0412680A1 Optical scanning system
02/13/1991EP0412544A2 Point-of-sale system including infinitely adjustable optical scanner
02/13/1991EP0412351A1 A device for the automatic reading of bar-codes applied on articles
02/13/1991EP0412156A1 Truth determination method for a magnetic recording medium
02/12/1991US4992717 Stepper motor drive circuit
02/12/1991US4992650 Method and apparatus for barcode recognition in a digital image
02/12/1991US4992648 In an automated teller machine
02/12/1991US4991692 Spill control mounting for data gathering system
02/07/1991WO1991001547A1 Reader/writer for magnetic cards
02/07/1991WO1991001531A1 Proximity detecting apparatus
02/06/1991EP0411602A2 Object having visible pattern including invisible information printed thereon
02/05/1991US4990792 Method for the application and reading of, and bottle with optically readable code marks
02/05/1991US4990758 Card connector
02/05/1991US4990756 Apparatus and method for emulating bar codes
02/03/1991WO1991002327A1 Digital data reader of digital data recording sheet