| Patents for G06K 19 - Record carriers for use with machines and with at least a part designed to carry digital markings (72,649) |
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| 04/01/1981 | EP0025816A2 Arrangement for the automatic identification of objects and/or living beings |
| 03/25/1981 | EP0025636A2 Perpetuation of information in magnetically recorded medium |
| 03/24/1981 | US4257669 Optical-electronic system for the identification of a retro-reflective label |
| 03/24/1981 | US4257551 Apparatus for preparing and processing receipts for customers of parking lots or the like |
| 03/19/1981 | WO1981000776A1 Process for data protection |
| 03/17/1981 | US4256955 System for keeping account of predetermined homogeneous units |
| 03/17/1981 | CA1097705A1 Document carrying a legible code, and method and apparatus for producing same |
| 03/11/1981 | EP0024800A1 Security document and system |
| 03/10/1981 | US4255653 Overlay data entry device for automated data systems |
| 03/10/1981 | US4255652 High speed electrically responsive indicia detecting apparatus and method |
| 03/04/1981 | EP0024344A1 Laminated information carrier, particularly indentity card, and method of making it |
| 03/03/1981 | US4254329 Microfiche information retrieval and control system utilizing machine readable microfiche and visually readable microfiche |
| 02/24/1981 | US4253017 Magnetically coded identification card |
| 02/19/1981 | WO1981000476A1 Machine readable code |
| 02/10/1981 | US4250393 Photoelectric apparatus for detecting altered markings |
| 02/10/1981 | US4249827 Arrangement for color coding of surfaces |
| 02/10/1981 | CA1095626A1 Means and method for identification of coded labels |
| 02/03/1981 | US4249072 Method of correcting erroneously encoded optical character recognition encoding |
| 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 | CA1094686A1 No translation available |
| 01/27/1981 | CA1094315A1 Method and apparatus for determining the result of answers to a set of related questions |
| 01/14/1981 | EP0022390A1 Method of marking and identifying objects coded by means of electric conducting elements |
| 01/13/1981 | US4244998 Patterned layers including magnetizable material |
| 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 | EP0020841A1 Memory and processing device for diagnostic data |
| 01/07/1981 | EP0020584A1 Control and secret marking method of data carrier which may be read by a machine |
| 01/06/1981 | US4243734 Micro-dot identification |
| 01/06/1981 | US4242789 Method for making an improved magnetic encoding device |
| 12/23/1980 | US4240848 System for alphabetically labelling articles |
| 12/16/1980 | US4239959 Perpetuation of information in magnetically recorded medium |
| 12/16/1980 | CA1091806A1 Magnetic coding process |
| 12/11/1980 | WO1980002762A1 Device for storing and processing data |
| 12/11/1980 | WO1980002757A1 Process for protecting sound recording carrier and the labels and/or packages thereof against counterfeiting |
| 12/02/1980 | US4237376 Event monitor for court games |
| 12/02/1980 | US4237189 Polymodal magnetic recording media process for making and verifying the same and compositions useful therein |
| 12/02/1980 | CA1090920A1 Method and apparatus for tallying food items selected on menus |
| 12/02/1980 | CA1090631A1 Holographic identification elements and method and apparatus for manufacture thereof |
| 11/26/1980 | EP0019513A1 Device for the visualisation of electric signals recorded on a magnetic medium |
| 11/26/1980 | EP0019280A1 Identity card with an integrated circuit component |
| 11/25/1980 | US4236068 Personal identification and signaling system |
| 11/18/1980 | US4234214 Document carrying a legible code, and method and apparatus for producing same |
| 11/18/1980 | CA1089989A1 Coded coupon |
| 11/12/1980 | EP0018889A1 Process for prolonging the validity of the memory working zone of a data carrier |
| 11/11/1980 | CA1089312A1 Document carrier |
| 11/04/1980 | US4231828 Method for applying magnetic strips |
| 11/04/1980 | US4231458 Card comprising an electronic circuit with obliterable credit elements for the distribution of goods or services |
| 11/04/1980 | CA1089094A1 Magnetic card |
| 10/21/1980 | CA1087953A1 Credit card carriers, apparatus and methods |
| 10/15/1980 | EP0017448A1 Electronic identification apparatus and identification system incorporating same |
| 10/14/1980 | US4228348 Security document and system |
| 09/30/1980 | US4225780 Method and device for superposing a modifiable magnetic code on a fixed bar code |
| 09/23/1980 | US4223918 Color coded credit card |
| 09/23/1980 | US4223830 Identification system |
| 09/23/1980 | CA1086350A1 Manifold sets secured by glue in recesses |
| 09/17/1980 | EP0015531A1 Device for recording the data of determined goods quantities, especially of milk deliveries |
| 09/17/1980 | EP0015307A2 Cashless-payment system for commodities or services |
| 09/16/1980 | US4223050 Process for embossing a relief pattern into a thermoplastic information carrier |
| 09/16/1980 | US4222662 Access control system |
| 09/16/1980 | US4222517 Magnetic marker |
| 09/16/1980 | US4222516 Standardized information card |
| 09/09/1980 | US4221959 Checking device for checking the food intake |
| 08/20/1980 | EP0014654A1 Subscription card for a videotext receiver |
| 08/19/1980 | US4218674 Method and a system for verifying authenticity safe against forgery |
| 08/12/1980 | US4217384 Multiple sets, particularly endless sets |
| 08/12/1980 | US4216577 Portable standardized card adapted to provide access to a system for processing electrical signals and a method of manufacturing such a card |
| 08/12/1980 | CA1083714A1 Portable card for electrical signal processing system and method for making same |
| 08/07/1980 | WO1980001634A1 Subscriber card for videotex receiver and loading set for this card |
| 08/06/1980 | EP0013782A1 Flat electric coil with tap |
| 08/05/1980 | US4216522 Interchangeable module for integrated circuits |
| 08/05/1980 | US4215812 Magnetic information carrier |
| 07/23/1980 | EP0013557A2 Method of laminating sheets and a press comprising two plates for the application of this method |
| 07/23/1980 | EP0013460A2 Miniaturized multi-layer flat electrical coil |
| 07/22/1980 | US4213251 Apparatus for determining the result of answers to a set of related questions |
| 07/22/1980 | CA1082359A1 Recording, reproducing and automatic translation device and related medium |
| 07/15/1980 | US4213050 Servo control for X-ray tomography |
| 07/15/1980 | US4213041 Master cards for hectographic printing |
| 07/15/1980 | US4213040 Digital microfiche and apparatus for accurately positioning the microfiche |
| 07/15/1980 | US4213038 Access security system |
| 07/09/1980 | EP0013192A1 Data processing system and control device for data cards utilizing magnetic bubble elements |
| 07/09/1980 | EP0013191A1 Data card comprising magnetic bubble elements |
| 07/08/1980 | US4211919 Portable data carrier including a microprocessor |
| 07/08/1980 | US4211918 Method and device for identifying documents |
| 07/01/1980 | US4210900 Surface acoustic wave code reader |
| 06/25/1980 | EP0012375A2 Identification card |
| 06/25/1980 | EP0012374A1 Process for manufacturing identification cards |
| 06/24/1980 | US4209811 Device for automatically recording, reproducing and translating, and corresponding circuit |
| 06/24/1980 | US4209783 Object identification system |
| 06/24/1980 | CA1080354A1 System and method for providing a security check on a credit card |
| 06/17/1980 | US4208231 Method of making multilayer edge-sealed record carrier |
| 06/17/1980 | CA1079850A1 Secure property document and method of manufacture |
| 06/17/1980 | CA1079514A1 Polymodal magnetic recording media process for making and verifying the same and compositions useful therein |
| 06/10/1980 | CA1079401A1 Secure property document and system |
| 06/03/1980 | CA1078961A1 Checking an identity, authority or check document or the like |
| 05/27/1980 | US4204640 Document handling apparatus |
| 05/27/1980 | US4204639 Coded label |
| 05/27/1980 | US4204638 Process of coding a card with a diffraction grating having lines with irregular spacing |
| 05/27/1980 | CA1078520A1 Electronic data processing of chinese characters |
| 05/20/1980 | US4204113 System for keeping account of predetermined homogenous units |