Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544) |
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09/10/1991 | US5047615 Bar code printing or reading apparatus |
09/10/1991 | US5046841 Token having a predetermined optical characteristic, and a token validation device for use therewith |
09/05/1991 | DE4001162A1 Inductive contactless identification system - generates pulses of opposite polarity enabling greater separation of code carrier and read-write head |
09/04/1991 | EP0444958A1 Bar code reading devices |
09/04/1991 | EP0444396A1 Connection device for a Si-module |
09/03/1991 | US5045677 Combining bar code read data from a plurality of scanning lines formed from one-dimensional images |
09/03/1991 | US5045675 Serial port interface to low-voltage low-power data module |
09/03/1991 | US5045674 IC card reader/writer having rotating contact support with pin-check verification |
08/29/1991 | DE4006184A1 Measuring width and spacing of bar codes - using single photosensor whose speed is derived from signal for absolute measurement independent of speed of movement |
08/27/1991 | US5043569 Optical system of laser beam reader |
08/27/1991 | US5043567 Image sensor and manufacturing method for the same |
08/27/1991 | US5043565 Process and circuit for compensating changes |
08/27/1991 | US5043563 Portable overhead bar code scanner |
08/27/1991 | US5042821 Seal for optical scanner window |
08/27/1991 | US5042619 Commodity data reading apparatus |
08/22/1991 | WO1991012589A1 Device for marking vehicles or vehicle parts |
08/21/1991 | EP0442390A1 Batteryless transponder |
08/20/1991 | US5042079 Method of recording/reproducing data of mesh pattern, and apparatus therefor |
08/14/1991 | EP0441712A1 Microwave transponder system with polarising resonant plane antenna |
08/14/1991 | EP0441709A2 Semiconductor laser driving circuit |
08/14/1991 | EP0441425A1 Apparatus for recording and/or reading information |
08/14/1991 | EP0441280A1 Method and apparatus for decoding two frequency (F/2F) data signals |
08/14/1991 | EP0441237A1 Portable detecting plate which is programmable by fields |
08/14/1991 | EP0441031A2 High speed system for reading and writing data from and into remote tags |
08/14/1991 | EP0440654A1 Optical reader. |
08/14/1991 | CN1013528B Data access card of ferro-electric liquid crystals |
08/13/1991 | US5039847 Image processing apparatus having an image scanner |
08/13/1991 | US5039184 Optical beam scanner for bar-code |
08/13/1991 | US5039051 Equipment supporting device |
08/08/1991 | WO1991011784A1 Data carrier |
08/08/1991 | WO1991011692A1 Source intensity adjustment apparatus for optical channel |
08/08/1991 | WO1991006070A3 Electronic image lift |
08/07/1991 | EP0440124A1 Bar code label and bar code reader |
08/07/1991 | EP0440050A2 Inductive coupled object identification system |
08/07/1991 | EP0439682A2 High density two dimensional symbology |
08/07/1991 | EP0324831A4 Erasable optical wallet-size data card |
08/07/1991 | EP0288555B1 Optical scanner checkout station |
08/07/1991 | EP0160008B1 Quad density optical data system |
08/06/1991 | US5038024 Instant portable bar code reader |
08/01/1991 | DE4003212A1 Parcel identification system - uses inductive read head to identify hole pattern in data carrier representing binary code of carrier |
08/01/1991 | DE4002794A1 Data carrier for contactless goods identification - has insulating support plate with matrix of printed, parallel-connected coils |
08/01/1991 | DE4002738A1 Static or mobile device for recording and identifying passive radio-recording-chips |
08/01/1991 | DE4002719A1 Product identification appts. - has two way microprocessor units with optical transmission appts. for communication |
07/31/1991 | EP0439383A1 Device to read oblong segments from a moving recording medium |
07/31/1991 | EP0438841A1 Identification symbol, system and method |
07/30/1991 | US5036429 IC card adapter |
07/30/1991 | US5036308 Identification system |
07/30/1991 | US5036184 Card reader using linear card conveyer means |
07/30/1991 | US5036183 Code reading device |
07/30/1991 | US5036182 Bar code reading and decoding apparatus |
07/30/1991 | US5035633 Data-processing apparatus in which a card-shaped recording medium is used |
07/30/1991 | CA1287186C Ic card and connector therefor |
07/30/1991 | CA1287136C Ic card reader |
07/30/1991 | CA1287028C Distributed coaxial light source producing constant target luminance |
07/25/1991 | WO1991011065A1 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
07/25/1991 | WO1991010953A1 Magnetic encoding apparatus and method |
07/25/1991 | CA2074169A1 Method of and apparatus for controlling modulation of digital signals in frequency modulated transmissions |
07/24/1991 | WO1991011777A1 Process and device for analysing the data on a code carrier |
07/24/1991 | EP0438355A1 Method for reading a synchronizing signal from a record medium and an apparatus therefor |
07/24/1991 | EP0438250A1 System for reading and writing data from and into remote tags |
07/24/1991 | EP0437938A2 Cleaning device |
07/24/1991 | EP0437883A1 Scanning device for optically scanning a surface along a line |
07/24/1991 | EP0437627A1 Digital data reader of digital data recording sheet |
07/24/1991 | EP0437549A1 System for remote sensing of distinguishing marks on objects |
07/24/1991 | CA2049934A1 Process and device for analysing the data on a code carrier |
07/23/1991 | US5034619 Optical reader with dual vertically oriented photoemitters |
07/23/1991 | US5034599 IC card reader/writer having a short-circuit detection capability |
07/23/1991 | US5034596 IC card processing apparatus |
07/23/1991 | US5033972 Electrical connector |
07/23/1991 | CA1286776C Binary coding circuit |
07/18/1991 | DE4100693A1 Contactless transceiver for portable data I=O device - has EM for data transfer between integrated circuit card and read-write device |
07/17/1991 | CN2081111U Identification device for cards |
07/16/1991 | US5031797 Reagent storage and delivery system |
07/16/1991 | CA1286405C Id system and method of writing data in an id system |
07/12/1991 | WO1991010968A1 Devices and methods for reading identification marks on semiconductor wafers |
07/12/1991 | CA2073335A1 Devices and methods for reading identification marks on semiconductor wafers |
07/11/1991 | WO1991010230A1 Tripod configured magnetic head assembly for use with a high coercivity magnetic card |
07/11/1991 | WO1991010206A1 Transmission system |
07/10/1991 | EP0436072A2 Method of decoding bar code symbols from partial scans |
07/10/1991 | EP0262181B1 Power regulator for a contactless credit card system |
07/10/1991 | EP0207164B1 Apparatus for recording and reproducing optical recording card |
07/09/1991 | US5030807 System for reading and writing data from and into remote tags |
07/09/1991 | US5030010 Process for the optical scanning of an object and device for the implementation of said process |
07/06/1991 | CA2022269A1 Method of decoding bar code symbols from partial scans |
07/04/1991 | DE4003247C1 Switching arrangement increasing hysteresis - has switching and control levers forming arrester released shortly before operating lever reaches rest position |
07/03/1991 | EP0435572A2 Method for recognizing the leading edge of a character |
07/03/1991 | EP0435281A2 Camera |
07/03/1991 | EP0435280A2 Optical apparatus responsive to an external information output device |
07/03/1991 | EP0435137A2 Information card system |
07/03/1991 | EP0435109A2 A sensor assembly for sensing printed marks on a print medium |
07/03/1991 | EP0435100A2 Symbol reader |
07/03/1991 | EP0434817A1 Proximity detecting apparatus. |
07/02/1991 | US5029183 Packet data communication network |
07/02/1991 | US5029008 Apparatus for identifying television monitors |
07/02/1991 | US5028772 Scanner to combine partial fragments of a complete code |
07/02/1991 | US5028771 Bar code reader |
07/02/1991 | US5028770 Bar code reading apparatus with laser selection based on a deflector position |
07/02/1991 | US5028769 Device for reading a mold code on a glass bottle |
07/02/1991 | US5028768 System for reading and encoding a magnetic track carried by a manually-displaced supporting document |
07/02/1991 | US5028767 Sealed holder for IC card |