| Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544) |
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| 06/23/1981 | US4275299 Method and apparatus for detecting a fluorescent area on a sheet of paper |
| 06/17/1981 | EP0030354A2 Arrangement for storing and evaluating images recorded by a recording device operating along the raster method |
| 06/17/1981 | EP0030260A1 Information transducing apparatus |
| 06/17/1981 | EP0030237A1 Process for protecting sound recording carrier and the labels and/or packages thereof against counterfeiting |
| 06/16/1981 | US4274083 Apparatus for identifying moving objects |
| 06/16/1981 | US4273998 Servo unit for optical type information reading device |
| 06/16/1981 | US4273997 Automatic passbook reader/writer apparatus |
| 06/16/1981 | US4273440 Method and apparatus for data collection and preparation |
| 06/16/1981 | CA1103356A1 Method of decoding waveforms |
| 06/10/1981 | EP0029923A1 Buffer memory control circuit |
| 06/09/1981 | US4272675 Symbol processing system |
| 06/09/1981 | CA1102898A1 Ambient light compensating circuit |
| 06/03/1981 | EP0029785A1 Electrical connection system |
| 06/02/1981 | US4271351 Cash replacement system and components |
| 05/26/1981 | US4270043 Methods of and apparatus for time clock recording and computation and related uses |
| 05/19/1981 | US4268179 Method and system for reproducing identification characters |
| 05/19/1981 | CA1101556A1 Label find method and circuit |
| 05/19/1981 | CA1101555A1 Decoding method and circuit |
| 05/19/1981 | CA1101547A1 Optical punched card reader |
| 05/13/1981 | EP0028528A1 Code carrying means and detecting system therefor |
| 05/12/1981 | US4267439 Document reader lamp life extension system |
| 05/12/1981 | US4266846 Two-dimensional scanners |
| 05/06/1981 | EP0028108A1 Optical reader for bar coded labels |
| 05/06/1981 | EP0027900A1 Improved decoding method and system for ETAB bar code |
| 05/06/1981 | EP0027886A1 Method and system for reproducing identification characters |
| 05/05/1981 | US4266123 Automatic scanner |
| 05/05/1981 | US4266122 Method and apparatus for identification of documents |
| 05/05/1981 | CA1100611A1 Reactively decoupled dual channel keying circuit for wide-band frequency modulated keyable control circuit |
| 05/05/1981 | CA1100423A1 Cavity identification of mold of origin of a glass container |
| 04/29/1981 | EP0027594A1 Method and device for the identification of objects |
| 04/28/1981 | US4264934 Rate adaptive writer for a card having a magnetizable surface |
| 04/28/1981 | CA1100210A1 Optoelectronic coin edge testing device |
| 04/28/1981 | CA1099964A1 Holographic opaque document scanner |
| 04/21/1981 | US4263523 Pulse generator using read head with Wiegand wire |
| 04/21/1981 | US4263504 High density matrix code |
| 04/21/1981 | US4262632 Electronic livestock identification system |
| 04/16/1981 | WO1981001067A1 Process and apparatus for prerecording and organizing data selected from source-documents |
| 04/16/1981 | WO1981001063A1 Computer system |
| 04/15/1981 | EP0027074A1 Search system for randomly classified objects |
| 04/15/1981 | EP0027058A1 Computer system |
| 04/14/1981 | CA1099408A1 Optical reading head |
| 04/07/1981 | US4260880 Optical character scanner |
| 04/07/1981 | US4260879 Unit record reader |
| 04/01/1981 | EP0025816A2 Arrangement for the automatic identification of objects and/or living beings |
| 03/31/1981 | US4259569 Code sensing system |
| 03/31/1981 | US4258829 Elevator system |
| 03/25/1981 | EP0025596A1 Pulse generator using read head with Wiegand wire |
| 03/24/1981 | US4258253 Cartridge assembly for data-sensing system |
| 03/24/1981 | US4257669 Optical-electronic system for the identification of a retro-reflective label |
| 03/19/1981 | WO1981000776A1 Process for data protection |
| 03/17/1981 | US4256956 Code identification apparatus |
| 03/17/1981 | CA1097807A1 Data transducer |
| 03/11/1981 | EP0024815A1 Background light intensity compensation method and circuit for a line scan camera system |
| 03/10/1981 | US4255652 High speed electrically responsive indicia detecting apparatus and method |
| 03/05/1981 | WO1981000586A1 Lock operated by magnetic means |
| 03/03/1981 | US4254441 Digital code reader |
| 02/24/1981 | US4253018 Symbol decoding system |
| 02/24/1981 | US4253017 Magnetically coded identification card |
| 02/19/1981 | WO1981000476A1 Machine readable code |
| 02/18/1981 | EP0023962A1 Document scanning system |
| 02/17/1981 | US4251800 Tilt compensating AGC |
| 02/17/1981 | US4251798 Portable laser scanning arrangement for and method of evaluating and validating bar code symbols |
| 02/12/1981 | EP0020573A4 Holographic scanning system. |
| 02/11/1981 | EP0023868A1 Optical device for access to an information carrier track and optical memory system comprising such a device |
| 02/10/1981 | US4250526 Optical information reading device |
| 02/10/1981 | US4250488 Device for scanning patterns with a regulated light source |
| 02/10/1981 | US4250393 Photoelectric apparatus for detecting altered markings |
| 02/10/1981 | US4249827 Arrangement for color coding of surfaces |
| 02/10/1981 | CA1095631A1 Method for reading information from punched carrier and device for effecting same |
| 02/10/1981 | CA1095626A1 Means and method for identification of coded labels |
| 02/05/1981 | WO1981000318A1 Instant portable bar-code reader |
| 02/04/1981 | EP0023245A1 Light pen |
| 02/03/1981 | CA1095170A1 Apparatus and method for the synchronous reading of data from a punched card |
| 01/27/1981 | US4247760 Method and circuit arrangement for generating and processing two separate pulse trains bearing information |
| 01/27/1981 | US4247758 Animal identification and estrus detection system |
| 01/27/1981 | CA1094689A1 Method and means for providing and testing secure identification media |
| 01/27/1981 | CA1094370A1 Light transmitting optical fiber |
| 01/23/1981 | EP0020448A4 Optical data sensing system including power control means. |
| 01/20/1981 | US4246474 Method and apparatus for reading magnetically coded data |
| 01/14/1981 | EP0022390A1 Method of marking and identifying objects coded by means of electric conducting elements |
| 01/13/1981 | US4245259 Inertia drive head for optical scanning and readout |
| 01/13/1981 | US4245152 Decoding method and system for ETAB bar code |
| 01/13/1981 | US4245151 Dust dispersion system for a document reader |
| 01/13/1981 | CA1093694A1 Portable ocr system |
| 01/07/1981 | EP0021499A1 Electrical key-like device in combination with an electrical receptacle |
| 01/07/1981 | EP0021350A1 Method for verifying paper currency having a security means and paper currency having such means |
| 01/07/1981 | EP0020573A1 Holographic scanning system |
| 01/07/1981 | EP0020448A1 Optical data sensing system including power control means. |
| 01/06/1981 | US4243876 Background light intensity compensation circuit for a line scan camera system |
| 01/06/1981 | CA1093210A1 Upc symbol decoding system |
| 12/30/1980 | US4242663 Electronic identification system |
| 12/23/1980 | US4240748 Hand-held optical character recognition wand with visual aligner |
| 12/16/1980 | US4240064 Power limiting circuit for bar code reader |
| 12/16/1980 | US4239151 Method and apparatus for reducing the number of rejected documents when reading bar codes |
| 12/16/1980 | CA1091798A1 Scan control and sensor sampling system for self- scanned photosensor arrays |
| 12/11/1980 | WO1980002760A1 Symbol decoding system |
| 12/11/1980 | WO1980002759A1 Slot scanning system |
| 12/11/1980 | WO1980002758A1 Symbol processing system |
| 12/11/1980 | WO1980002757A1 Process for protecting sound recording carrier and the labels and/or packages thereof against counterfeiting |
| 12/10/1980 | EP0020247A1 Device for the authorized opening of a door by means of a coded card |