| 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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| 02/24/1981 | CA1096504A1 Method and apparatus for obtaining multi-spectral signatures |
| 02/17/1981 | US4251837 Three decision thresholding mode switch and method for mode selection |
| 02/17/1981 | US4251800 Tilt compensating AGC |
| 02/17/1981 | US4251799 Optical character recognition using baseline information |
| 02/10/1981 | US4250488 Device for scanning patterns with a regulated light source |
| 02/05/1981 | WO1981000319A1 Multi-font character recognition technique |
| 02/04/1981 | EP0023245A1 Light pen |
| 02/03/1981 | US4249177 Target discrimination apparatus |
| 01/28/1981 | EP0022773A1 Optical character recognition device |
| 01/27/1981 | US4247873 Self-adaptive, all-or-nothing converter of an analog image analysis signal |
| 01/27/1981 | US4247760 Method and circuit arrangement for generating and processing two separate pulse trains bearing information |
| 01/27/1981 | CA1094370A1 Light transmitting optical fiber |
| 01/20/1981 | US4246570 Optical wand for mechanical character recognition |
| 01/20/1981 | US4246568 Apparatus and method of personal identification by fingerprint comparison |
| 01/20/1981 | US4246473 Character reading system |
| 01/13/1981 | US4245259 Inertia drive head for optical scanning and readout |
| 01/13/1981 | US4245211 MICR Waveform analyzer |
| 01/13/1981 | CA1093695A1 Apparatus and method for identifying individuals through their retinal vasculature patterns |
| 01/13/1981 | CA1093694A1 Portable ocr system |
| 01/07/1981 | EP0021982A1 Method and device for the optical processing of objects through intercorrelation with rings |
| 01/07/1981 | EP0021955A1 Information processing method and device for word recognition |
| 01/07/1981 | EP0021093A1 Apparatus for transmitting source radiation to a surface and for receiving radiation from the surface |
| 01/07/1981 | EP0020897A2 Device for determining the optimum scanning angle of printed matter |
| 01/07/1981 | EP0020669A1 A process and an apparatus for transferring binary information representing at least two parameters. |
| 01/07/1981 | EP0020417A1 Electronic image enhancement. |
| 01/06/1981 | US4243876 Background light intensity compensation circuit for a line scan camera system |
| 12/30/1980 | US4242734 Image corner detector using Haar coefficients |
| 12/24/1980 | WO1980002883A1 Device for measuring parameters representative of the handwriting speed |
| 12/24/1980 | WO1980002882A1 Process and device for optical treatment of objects by intercorrelation with rings |
| 12/23/1980 | US4241409 Hand held pen-size calculator |
| 12/23/1980 | US4241350 Radar target pattern recognition system using logarithmic analysis |
| 12/23/1980 | US4240748 Hand-held optical character recognition wand with visual aligner |
| 12/23/1980 | CA1092244A1 System for automatically proofreading a document |
| 12/16/1980 | US4240107 Apparatus and method for pattern information processing |
| 12/16/1980 | US4239151 Method and apparatus for reducing the number of rejected documents when reading bar codes |
| 12/16/1980 | CA1091808A1 Minutiae pattern matcher |
| 12/16/1980 | CA1091798A1 Scan control and sensor sampling system for self- scanned photosensor arrays |
| 12/11/1980 | WO1980002761A1 Apparatus and method for separation of optical character recognition data |
| 12/02/1980 | US4237539 On-line web inspection system |
| 11/27/1980 | WO1980002629A1 Random access memory imaging system |
| 11/27/1980 | WO1980002612A1 Process and device for determining the contours inside an image |
| 11/27/1980 | WO1980002517A1 Installation for the identification of vehicles tyres in the course of manufacture |
| 11/25/1980 | US4236082 Method and apparatus for recording image details of the palm of a hand |
| 11/25/1980 | CA1090475A1 Automatic pattern processing system |
| 11/18/1980 | US4234868 Personal verification device |
| 11/18/1980 | CA1089991A1 Image encoding apparatus |
| 11/18/1980 | CA1089990A1 Palm print identification |
| 11/18/1980 | CA1089988A1 Apparatus for producing vectors |
| 11/18/1980 | CA1089945A1 Tubular structure for rotationally interconnecting two bodies, both mechanically and electrically |
| 11/11/1980 | US4233506 Photo-sensor |
| 11/04/1980 | US4232290 Handwritten character identification |
| 11/04/1980 | US4232216 Method and device for reading coded information in the form of intervals of predetermined sizes |
| 10/30/1980 | WO1980002337A1 Input device for hand-written characters and patterns |
| 10/29/1980 | EP0017950A1 Method and device for the identification of objects |
| 10/28/1980 | US4230990 Broadcast program identification method and system |
| 10/28/1980 | US4230938 Computer input/output device |
| 10/21/1980 | US4229023 Identity checking device |
| 10/15/1980 | EP0017371A1 Apparatus for inspecting defects in a periodic pattern |
| 10/15/1980 | EP0017090A1 Method and apparatus for sensing a line of characters, and character recognition apparatus |
| 10/14/1980 | US4228421 Pattern identification system |
| 10/14/1980 | US4227805 Finger identification apparatus and method |
| 10/14/1980 | CA1087735A1 Process and apparatus for positive identification of customers |
| 10/07/1980 | US4227078 Photo-sensor |
| 10/07/1980 | CA1087315A1 Binary image minutiae detector |
| 10/02/1980 | WO1980002080A1 Identity verification apparatus and method |
| 10/01/1980 | EP0016400A2 Information processing device for entering and further processing of optical information recorded on an information carrier |
| 09/30/1980 | US4225850 Non-fingerprint region indicator |
| 09/23/1980 | US4224600 Arrays for parallel pattern recognition |
| 09/23/1980 | US4224508 Error correcting bar code reader |
| 09/18/1980 | WO1980001963A1 Device for the discrimination of objects to be inspected |
| 09/16/1980 | US4223387 Device for examination of distances in a picture |
| 09/16/1980 | CA1085958A1 System and method using magnetic strip cards as substitute for coins in laundry machines |
| 09/09/1980 | CA1085514A1 Data compression system |
| 09/03/1980 | EP0014857A1 Method for the automatic marking of cells and for feature determination of cells from cytological smears |
| 09/03/1980 | EP0014758A1 Device for optical character reading |
| 09/02/1980 | CA1084847A1 Method and apparatus for linearly filtering two- dimensional signals |
| 08/26/1980 | CA1084498A1 Benzylpyrimidines and process for the preparation thereof |
| 08/19/1980 | US4218673 Pattern matching method and such operation system |
| 08/06/1980 | EP0013687A2 Adaptive alignment of characters for a pattern recognition system |
| 07/29/1980 | US4214591 Brain wave analyzing system and method |
| 07/29/1980 | CA1082813A1 Information recording and recognition |
| 07/15/1980 | US4213036 Method for classifying biological cells |
| 07/08/1980 | US4212041 Apparatus and method for removing the effect of interference magnetic fields in a magnetic transducer device for detecting information magnetically coded on a carrier |
| 07/01/1980 | US4210899 Fingerprint-based access control and identification apparatus |
| 06/26/1980 | WO1980001325A1 Optical character recognition device |
| 06/24/1980 | CA1080339A1 Signal processing for detection |
| 06/17/1980 | US4208652 Method and apparatus for identifying images |
| 06/17/1980 | US4208651 Fingerprint identification by ridge angle and minutiae recognition |
| 06/17/1980 | US4208648 Sensor panel for locating a load |
| 06/12/1980 | WO1980001228A1 A process and an apparatus for transferring information representing at least two parameters |
| 06/11/1980 | EP0012059A1 Method and apparatus for elaborating and processing two distinct pulse trains carrying information |
| 06/10/1980 | US4207554 Method and apparatus for automated classification and analysis of cells |
| 06/10/1980 | US4207444 Planar multiple switch |
| 06/03/1980 | US4206442 Letter segmenting apparatus for OCR comprising multi-level segmentor operable when binary segmenting fails |
| 06/03/1980 | US4206441 Identification apparatus |
| 06/03/1980 | CA1078961A1 Checking an identity, authority or check document or the like |
| 05/28/1980 | EP0011534A1 Method and apparatus for processing analog, in particular pseudoperiodic signals |
| 05/28/1980 | EP0011388A1 System and method for processing documents |
| 05/27/1980 | US4205345 Method and device for eliminating the background brightness variation of a video signal |
| 05/27/1980 | CA1078519A1 Pattern recognition system with entry for adaptive sensitivity |