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