| 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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| 02/19/1991 | US4994659 IC card |
| 02/19/1991 | CA1280511C Smart card apparatus and method of programming same |
| 02/13/1991 | EP0412893A1 Method for making card bodies and cards with graphic elements and card bodies so obtained |
| 02/13/1991 | EP0412545A2 IC package and IC card incorporating the same thereinto |
| 02/13/1991 | EP0412316A2 Authenticity identifying system for information storage cards |
| 02/13/1991 | EP0412156A1 Truth determination method for a magnetic recording medium |
| 02/12/1991 | US4992794 Transponder and method for the production thereof |
| 02/12/1991 | US4992651 IC card and method of recording data therein |
| 02/07/1991 | WO1991001533A1 Substrate element with at least one integrated circuit, in particular a substrate element for inclusion in chip cards |
| 02/07/1991 | DE3925716A1 Control and regulation arrangement for aircraft gas turbine - identifies engine from identifying data modulated onto revolution rate signal |
| 02/06/1991 | EP0411602A2 Object having visible pattern including invisible information printed thereon |
| 02/06/1991 | EP0293494B1 Memorizing device with moving information carriers |
| 02/05/1991 | US4990760 IC card having means for protecting erroneous operation |
| 02/05/1991 | US4990759 Chip card structure |
| 02/05/1991 | US4989483 Apparatus for putting bar codes on a thin metal strip |
| 02/04/1991 | CA2020380A1 Retroreflective vehicle identification articles having improved machine legibility |
| 01/31/1991 | DE3924894A1 Non-interchangeable full code for identification system - contains telephone number of manufacture, production date, time etc. for commercial products |
| 01/30/1991 | EP0410869A1 Method for processing data by compression and permutation for microcircuit card |
| 01/30/1991 | EP0410515A1 Rotation method for a word of "p" binary elements and device in which said method is used |
| 01/29/1991 | US4988855 Portable electronic apparatus |
| 01/29/1991 | US4988126 Document with an unforgeable surface |
| 01/29/1991 | CA1279533C Security document protection process |
| 01/24/1991 | WO1991000985A1 Contactless sensor terminal |
| 01/23/1991 | EP0409701A1 Hard-wired micro-circuit card and transaction method between a respective hard-wired micro-circuit card and a terminal |
| 01/23/1991 | EP0409241A1 IC card with additional terminals and method of controlling the IC card |
| 01/22/1991 | US4987040 Magnetic rotary encoders and magnetic linear scales |
| 01/17/1991 | DE3922556A1 Beruehrungslose sensorklemme Contactless sensor terminal |
| 01/17/1991 | DE3922347A1 Theft-proof personal, esp. credit and cheque cards - has user code entry field, contains microprocessor comparing stored code and display field read by card reader |
| 01/16/1991 | EP0408456A1 Microcircuit card protected against intrusion |
| 01/16/1991 | EP0267281B1 Magnetic information-recording element and method of manufacture |
| 01/15/1991 | US4985920 Integrated circuit card |
| 01/15/1991 | US4985615 Portable electronic apparatus having key data for limiting memory access |
| 01/15/1991 | US4985614 Object verification apparatus and method |
| 01/15/1991 | US4984824 Microscopic |
| 01/10/1991 | DE4018688A1 Protection of data held on shaft card against external reading - has protective layer that can be periodically checked for attempt to read |
| 01/09/1991 | EP0407207A2 Card handling apparatus and method |
| 01/09/1991 | EP0407005A1 Verification device for a security system |
| 01/09/1991 | EP0406610A2 Static electricity eliminating structure for electronic devices |
| 01/08/1991 | US4983820 Interface for receiving electronic tokens |
| 01/08/1991 | US4983819 Optical card |
| 01/08/1991 | US4983816 Portable electronic device |
| 01/03/1991 | DE4003792A1 Portable data carrier e.g. for operating terminals |
| 01/02/1991 | EP0405212A2 Machine readable data carrier |
| 01/02/1991 | EP0405099A2 Method and apparatus for providing error correction to symbol level codes |
| 01/02/1991 | EP0405054A1 Portable data carrier with optical display area |
| 01/02/1991 | EP0333724B1 Device for identifying a code on a code support |
| 01/02/1991 | EP0265497A4 Information transfer and use, particularly with respect to objects such as gambling chips |
| 01/02/1991 | CN1011093B Cassette memory magnetic tape unit and data processing machine |
| 01/01/1991 | US4982371 Compact electronic module having a RAM device |
| 01/01/1991 | US4982077 Recording format for optical recording medium |
| 01/01/1991 | US4982076 Magnetic recording medium |
| 01/01/1991 | US4982073 Token such as a credit or identification card and an apparatus for testing the token or card |
| 01/01/1991 | US4982072 Driver license check system with IC card and method therefor |
| 01/01/1991 | US4982069 Data processing system for smart cards having a plurality of electronic modules |
| 12/31/1990 | CA2020130A1 Portable data carrier with an optical indicating area |
| 12/27/1990 | WO1990016046A1 Memory card with removal tab |
| 12/27/1990 | WO1990016043A1 Authentication apparatus using resonance absorption of light |
| 12/27/1990 | EP0403656A1 Communication equipment |
| 12/25/1990 | US4980802 Flexible printed circuit |
| 12/25/1990 | US4980679 Time varying identification badge |
| 12/25/1990 | US4980544 Optical code reader and format |
| 12/24/1990 | WO1991000574A1 System for inputting, processing and transmitting information and data |
| 12/24/1990 | CA2035462A1 Information and data capture, processing and transmission system |
| 12/21/1990 | WO1990015551A1 Memory holder for credit card or the like |
| 12/21/1990 | CA2058950A1 Memory holder for credit card or the like |
| 12/19/1990 | EP0402759A2 Portable electronic device having versatile program storage |
| 12/19/1990 | EP0402758A2 Portable electronic device having versatile program storage |
| 12/18/1990 | US4979144 IC memory card having start address latch and memory capacity output means |
| 12/18/1990 | US4978840 IC card having energy input and data exchange elements on opposite sides thereof |
| 12/13/1990 | WO1990014962A1 Ic card for security attestation and ic card service system using said ic card |
| 12/12/1990 | EP0402182A1 Payment system using bi-modular IC-card |
| 12/12/1990 | EP0401806A2 Portable electronic device having improved power source |
| 12/12/1990 | EP0401466A1 Laminate with diffraction structures |
| 12/12/1990 | CA2018650A1 Memory card with removable tab |
| 12/11/1990 | US4977040 Magnetic card |
| 12/11/1990 | US4976179 Method of punching bar codes in a metal strip |
| 12/11/1990 | CA1277748C2 Identification tag for rapid inventory data acquisition system |
| 12/06/1990 | DE3917707A1 Electronic chip module - with contacting provided by thickened chip connection regions opposite reed contacts |
| 12/05/1990 | EP0400764A2 Transaction system |
| 12/05/1990 | EP0400475A2 Storage management system for memory card using memory allocation table |
| 12/04/1990 | CA1277431C Metal case for housing an ic and a manufacturing method therefor |
| 11/29/1990 | WO1990014626A1 Systems with data-token/one-wire-bus |
| 11/28/1990 | EP0399868A2 Manufacturing process of a chip card and card obtained by this process |
| 11/28/1990 | EP0399446A2 Digital copying system using an IC card |
| 11/28/1990 | EP0398943A1 Shunt regulator. |
| 11/28/1990 | EP0227781B1 Magnetically encoded cards |
| 11/28/1990 | EP0225474B1 Test strip identification |
| 11/27/1990 | US4974120 IC card |
| 11/27/1990 | US4973944 Electrical signal and alarm protection proximity device |
| 11/27/1990 | US4973828 Portable electronic medium |
| 11/22/1990 | EP0398301A2 Data carrier apparatus and method of manufacturing the same |
| 11/22/1990 | EP0397989A2 Presence/absence bar code |
| 11/22/1990 | DE4014828A1 Object identification carrier, for cylindrical steel flasks - has code markings on carrier element perpendicular to cylindrical axis separated by reflective regions |
| 11/20/1990 | US4972377 Low-voltage low-power static ram |
| 11/20/1990 | US4972099 Sensor card |
| 11/15/1990 | WO1990013877A1 Security document with embedded security element with visually and mechanically verifiable distinguishing signs |
| 11/15/1990 | DE3915096A1 Authorisation card with recording and reproduction system - contains holder in form of encoding unit and provides simple protection against misuse |
| 11/15/1990 | CA2011296A1 Presence/absence bar code |
| 11/14/1990 | EP0397512A2 Method for preventing the unauthorized/illegal use of card-type information medium |
| 11/13/1990 | US4970712 Method for recording data onto optical data recording cards using pits for indicating the center line positions of data arrays provided on said cards |