| Patents for G06K 9 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints (160,016) |
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| 11/26/1981 | WO1981003377A1 A pattern recognition system and method |
| 11/24/1981 | US4302681 Opto-electronic reading apparatus |
| 11/24/1981 | CA1113187A1 Data storage and retrieval system |
| 11/18/1981 | EP0039899A2 Scan signal processing system |
| 11/18/1981 | EP0039882A2 Process and device for recognising automatically image patterns, particulary line patterns |
| 11/17/1981 | US4301443 Bit enable circuitry for an image analyzer system |
| 11/10/1981 | US4300164 Adaptive video processor |
| 11/10/1981 | US4300123 Optical reading system |
| 11/10/1981 | US4300122 Apparatus for processing digital data representative of a two-dimensional image |
| 11/03/1981 | US4298858 Method and apparatus for augmenting binary patterns |
| 10/29/1981 | WO1981003097A1 Electronic image processing |
| 10/29/1981 | WO1981003096A1 Electronic image processing |
| 10/27/1981 | US4297528 Training circuit for audio signal recognition computer |
| 10/21/1981 | EP0038027A1 Method and device for reading and decoding of standardized characters on objects |
| 10/13/1981 | US4295121 Device for optical character reading |
| 10/13/1981 | US4295120 Pattern data processing method and apparatus to practice such method |
| 10/07/1981 | EP0037164A2 Self organising general pattern class separator and identifier |
| 09/30/1981 | EP0036479A2 Alpha content prescan method for automatic spelling error correction |
| 09/29/1981 | US4292622 System and method for processing horizontal line characteristics in an image |
| 09/29/1981 | US4292621 Character reader |
| 09/23/1981 | EP0036150A2 Pattern recognition system operating by the multiple similarity method |
| 09/23/1981 | EP0036149A2 Character optical reader |
| 09/15/1981 | US4290084 Method and means for preserving original continuity/discontinuity among same colored pel clusters upon array compression |
| 09/15/1981 | US4290052 Capacitive touch entry apparatus having high degree of personal safety |
| 09/15/1981 | US4290049 Dynamic data correction generator for an image analyzer system |
| 09/15/1981 | CA1109154A1 Character recognition system and method multi-bit curve vector processing |
| 09/15/1981 | CA1109153A1 Dual resolution method and apparatus for use in automated classification of pap smear and other samples |
| 09/09/1981 | EP0035036A1 Input device for hand-written characters and patterns |
| 09/08/1981 | US4288816 Compressed image producing system |
| 09/08/1981 | US4288782 High speed character matcher and method |
| 09/08/1981 | US4288781 Currency discriminator |
| 09/08/1981 | US4288779 Method and apparatus for character reading |
| 09/08/1981 | US4288690 Illumination system |
| 09/08/1981 | CA1108764A1 Processing of information |
| 09/03/1981 | WO1981002482A1 System and method for processing horizontal line characteristics in an image |
| 09/01/1981 | US4287414 Illumination and pick up apparatus |
| 08/25/1981 | US4286255 Signature verification method and apparatus |
| 08/19/1981 | EP0033978A1 Method and arrangement to produce classifying features for automatic character recognition |
| 08/18/1981 | US4284975 On-line pattern recognition system for hand-written characters |
| 08/12/1981 | EP0033627A2 Method for reading drawings |
| 08/12/1981 | EP0033623A2 A method and apparatus for reducing the gray scale resolution of a digitized image |
| 08/12/1981 | EP0033533A2 Methods and apparatus for the automatic classification of patterns |
| 08/05/1981 | EP0033076A2 Character recognition method and apparatus |
| 08/04/1981 | US4282511 Apparatus for discerning the noticeable presence of spatial fluctuations of intensity within a two-dimensional visual field |
| 08/04/1981 | US4282510 Apparatus for discerning the noticeable presence of spatial fluctuations of intensity within a two-dimensional visual field |
| 08/04/1981 | US4282431 Bar code scanner |
| 08/04/1981 | US4282403 Pattern recognition with a warping function decided for each reference pattern by the use of feature vector components of a few channels |
| 07/29/1981 | EP0032619A2 Improvements in or relating to business forms |
| 07/28/1981 | US4281313 Barooptical verification apparatus |
| 07/15/1981 | EP0032013A1 Writing pad for character recognition apparatus |
| 07/08/1981 | EP0031728A2 Method and apparatus for electronically aligning active elements of an imaging array with an optical system |
| 07/08/1981 | EP0031502A2 Hand-held apparatus for sensing non-coded images |
| 07/08/1981 | EP0031493A1 Alpha content match prescan method and system for automatic spelling error correction |
| 07/08/1981 | EP0031443A1 Apparatus for detecting a moving target and method therefor |
| 07/07/1981 | US4277776 Magnetic ink character recognition apparatus |
| 07/07/1981 | US4277775 Character recognition system |
| 07/07/1981 | US4277689 Document reader |
| 07/01/1981 | EP0031163A2 Method and device for carrying out a comparison between certain patterns, especially finger prints |
| 06/30/1981 | CA1104258A1 Control circuit |
| 06/30/1981 | CA1104257A1 Optical recognition system |
| 06/25/1981 | WO1981001764A1 Document reader |
| 06/23/1981 | US4275381 Operator readable and machine readable character recognition system |
| 06/17/1981 | EP0030260A1 Information transducing apparatus |
| 06/17/1981 | EP0030234A1 Device for measuring parameters representative of the handwriting speed. |
| 06/16/1981 | US4274079 Apparatus and method for dynamic font switching |
| 06/16/1981 | CA1103353A1 Signature verification method and apparatus utilizing both acceleration and pressure characteristics |
| 06/10/1981 | EP0029943A1 Character reading apparatus with manually movable scanner |
| 06/09/1981 | US4272756 Method of pattern recognition and apparatus thereof |
| 06/02/1981 | CA1102451A1 Apparatus for pattern recognition |
| 05/27/1981 | EP0029059A1 Apparatus and method for separation of optical character recognition data |
| 05/20/1981 | EP0028616A1 Installation for the identification of vehicle tyres in the course of manufacture |
| 05/06/1981 | EP0028108A1 Optical reader for bar coded labels |
| 05/05/1981 | CA1100637A2 Automatic pattern processing system |
| 05/05/1981 | CA1100636A1 Method for checking banknotes and apparatus therefor |
| 04/21/1981 | US4263555 Signal detection system |
| 04/21/1981 | CA1099804A1 Input apparatus for dynamic signature verification systems |
| 04/14/1981 | US4262281 Processing of information |
| 04/14/1981 | US4262280 Circuit arrangement for editing a scanned pattern |
| 04/14/1981 | CA1099401A1 Method and device for eliminating the background brightness variation of a video signal |
| 04/08/1981 | EP0026669A2 Character recognition apparatus and method, using waveform analysis |
| 04/07/1981 | US4260979 Apparatus for sensing non-coded images |
| 04/07/1981 | US4260879 Unit record reader |
| 04/07/1981 | CA1098989A1 Detection plate for an identification system |
| 03/31/1981 | US4259662 Threshold setting circuit |
| 03/31/1981 | US4259661 Apparatus and method for recognizing a pattern |
| 03/25/1981 | EP0025760A1 Method for the identification of objects placed on a surface and for parameter determination of these objects |
| 03/25/1981 | EP0025685A2 Training circuit for audio signal recognition computer |
| 03/24/1981 | US4258356 Multi bar encoding apparatus utilizing acoustic energy |
| 03/24/1981 | CA1098210A1 Optical character recognition system |
| 03/24/1981 | CA1098204A1 Automated corrector for fixed pattern odd/even video noise |
| 03/18/1981 | EP0025284A1 A method and apparatus for the classification of articles which are in a state of motion |
| 03/17/1981 | US4256924 Device for recognizing an input pattern with approximate patterns used for reference patterns on mapping |
| 03/11/1981 | EP0024815A1 Background light intensity compensation method and circuit for a line scan camera system |
| 03/11/1981 | EP0024521A1 Apparatus incorporating a linear array scanner for correcting deformities in electronic images produced by the scanner and method of correcting deformities in electronic images produced by linear array scanners |
| 03/10/1981 | US4255652 High speed electrically responsive indicia detecting apparatus and method |
| 03/03/1981 | US4254474 Information processing system using threshold passive modification |
| 03/03/1981 | US4254400 Image data processor |
| 03/03/1981 | US4254399 Process for automatic pattern evaluation with the aid of a rapid image processing and circuit for carrying out the process |
| 03/03/1981 | US4254286 Benzaldehyde compounds |
| 02/24/1981 | US4253086 Process and apparatus for positive identification of customers |