| 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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| 05/02/1990 | EP0366335A2 Magnetic identifier |
| 05/01/1990 | US4921534 Security markings, material provided with security marks, and apparatus to detect the security mark |
| 05/01/1990 | US4921278 Identification system using computer generated moire |
| 05/01/1990 | US4921160 Personal data card and method of constructing the same |
| 04/26/1990 | DE3930946A1 Magnetic marking system for articles - has strip markings that pass through AC field to generate detector output |
| 04/25/1990 | EP0365286A2 A small-sized electronic apparatus |
| 04/25/1990 | EP0178973B1 Method for marking the form and position of models placed on a sheet material |
| 04/24/1990 | CA1268251A1 Data storage device and system |
| 04/19/1990 | WO1990004239A1 Device for the remote transmission of identification and/or value information |
| 04/19/1990 | WO1990003721A1 System for producing data bearing cards |
| 04/18/1990 | EP0364045A1 Transponder and method for the production thereof |
| 04/18/1990 | EP0364029A1 Authenticity mark, document carrying such mark, and process and device for reading and validating such mark |
| 04/18/1990 | EP0363871A2 IC card reader/ writer having a short-circuit detection capability |
| 04/17/1990 | US4918631 Compact type electronic information card |
| 04/17/1990 | US4918415 Data reading and/or writing apparatus for use with an optical card |
| 04/17/1990 | US4918299 Plastic package for card having a built-in storage medium |
| 04/17/1990 | US4918296 Article identifying system |
| 04/10/1990 | US4916333 Binary logic level electrical detector namely to prevent the detection of secret codes contained in a memory card |
| 04/10/1990 | US4916300 Optically readable/writable card |
| 04/10/1990 | US4916296 Light modulating smart card |
| 04/10/1990 | CA2000405A1 Authenticity mark, document carrying such mark, and process and device for reading and validating such mark |
| 04/04/1990 | EP0362050A2 Memory card |
| 04/04/1990 | EP0360970A1 Bar code field readable in two directions |
| 04/04/1990 | EP0360969A1 Diffraction element |
| 04/04/1990 | CN1007463B Printed data strip including bit-encoded information and scanner control |
| 03/28/1990 | EP0147396B1 Secure transaction card and verification system |
| 03/28/1990 | EP0125287B1 Identification system |
| 03/27/1990 | US4912346 Input/output circuit for IC card |
| 03/27/1990 | US4912311 Information recording carrier |
| 03/27/1990 | US4912308 Device and method for effecting personal identification utilizing an IC card |
| 03/27/1990 | US4911217 Integrated circuit transponder in a pneumatic tire for tire identification |
| 03/22/1990 | WO1990002658A1 Security device |
| 03/21/1990 | EP0359632A1 Integrated circuits encapsulation process, especially for chip cards |
| 03/21/1990 | EP0359328A1 Device having an electronic circuit mounted on a flexible carrier, protected against electrostatic discharges, and flexible card comprising this device |
| 03/20/1990 | US4910775 Portable electronic device for use in conjunction with a screen |
| 03/20/1990 | US4910725 Optical recording method for data cards |
| 03/20/1990 | US4910707 EEPROM with protective circuit |
| 03/20/1990 | US4910582 Semiconductor device and method of manufacturing thereof |
| 03/20/1990 | US4910499 Tag and method of making same |
| 03/20/1990 | US4910394 Transducer for converting a signal to read out data and method for forming the same |
| 03/20/1990 | US4910393 Memory cards |
| 03/20/1990 | US4909742 IC card and mating socket |
| 03/20/1990 | US4908937 Method to install an electronic component and its electrical connections on a support, and product obtained thereby |
| 03/14/1990 | EP0358277A2 Memory module insertable in an information-processing device, and use of such a memory module in an information-processing device |
| 03/14/1990 | EP0357736A1 Data system for monitoring and/or controlling processes |
| 03/14/1990 | EP0357648A1 Torque-transmitting device for hand-held power tools. |
| 03/14/1990 | EP0357614A1 Read-only optical card and system |
| 03/13/1990 | US4908516 Apparatus and process for checking the authenticity of an article having a magnetic storage information means |
| 03/13/1990 | US4908502 Fault tolerant smart card |
| 03/13/1990 | US4908038 High-security integrated-circuit card |
| 03/08/1990 | WO1990002394A1 Form and procedure for selecting a code to be kept secret |
| 03/08/1990 | DE3928573A1 Radiowellen-antwortsendervorrichtung in einem antwortsendersystem Radio wave transmitter answering device in a reply transmitter system |
| 03/07/1990 | EP0357361A2 IC card and method for writing information therein |
| 03/07/1990 | EP0356723A2 Portable information record medium |
| 03/07/1990 | EP0356515A1 Optical recording medium, method for producing the same and method for producing an optical recording card provided with the same |
| 03/06/1990 | US4906988 Object verification system and method |
| 03/06/1990 | US4906829 Device for coding and identifying a coding element |
| 03/06/1990 | US4906498 Flexible optical recording material in the shape of tape or floppy disk |
| 02/28/1990 | EP0356237A2 Integrated Circuit Card |
| 02/28/1990 | EP0356125A2 Portable memory device |
| 02/28/1990 | EP0355620A2 Optical card |
| 02/28/1990 | EP0355372A1 Data carrier controlled terminal for a data exchange system |
| 02/28/1990 | EP0355162A1 Magnetic recording medium |
| 02/27/1990 | US4905124 IC card |
| 02/27/1990 | US4904853 Dual-function information-carrying sheet device |
| 02/27/1990 | US4904507 Information device |
| 02/27/1990 | CA1266327A1 Card read/write device |
| 02/27/1990 | CA1266194A1 Method and apparatus for producing a relief pattern with a microscopic structure, in particular having an optical diffraction effect |
| 02/22/1990 | WO1990001480A1 Optical memory |
| 02/20/1990 | US4903256 Card including rotatory system optical recording medium |
| 02/15/1990 | DE3827541A1 Method for the automatic read-out of binary encoded information |
| 02/15/1990 | DE3827035A1 Optically readable information carrier and its use |
| 02/14/1990 | EP0354759A2 Electromagnetic identification system |
| 02/14/1990 | EP0354581A2 Method of recording reproducing data of mesh pattern, and apparatus therefor |
| 02/14/1990 | EP0354244A1 Ic card |
| 02/14/1990 | EP0354225A1 Process for adapting the frequency band of an oscillating circuit made from a metal-plastic-metal sandwich foil useful as an identification label. |
| 02/14/1990 | CN1039672A Hexagonal information encoding article process and system |
| 02/13/1990 | US4901276 Portable electronic apparatus having a function of checking for empty areas in which to write data |
| 02/13/1990 | US4900386 Method of producing labels each having a circuit forming an oscillating circuit |
| 02/08/1990 | DE3826512A1 Weighing device for the acquisition of weighing data |
| 02/07/1990 | EP0353974A2 Copy protection of multi-colour documents |
| 02/07/1990 | EP0207126B1 Security device for the secure storage of sensitive data |
| 02/07/1990 | EP0185040B1 Method for identifying a product intended to prevent fraud and device for implementing such method |
| 02/06/1990 | US4899038 Identification card |
| 02/06/1990 | US4899037 Magnetic information-recording element and method of manufacture |
| 02/06/1990 | US4899036 Transaction system |
| 02/06/1990 | EP0357614A4 Read-only optical card and system. |
| 01/31/1990 | EP0353040A2 Electromagnetic identification system |
| 01/30/1990 | US4897829 Cardlike optical recording medium |
| 01/30/1990 | US4897648 Analog-to-digital converter having a gray code board with the least significant bit pattern disposed in the center |
| 01/30/1990 | US4897535 Random number game result checking aid |
| 01/30/1990 | US4897534 Data carrier having an integrated circuit and a method for producing the same |
| 01/30/1990 | US4897533 Credit card and method of making the same |
| 01/25/1990 | WO1990000783A1 Keyboard operated system |
| 01/25/1990 | WO1990000781A1 Communication equipment |
| 01/24/1990 | EP0352170A1 Process and system for the management of an electronic memory representative of predetermined homogeneous units |
| 01/23/1990 | US4896029 Polygonal information encoding article, process and system |
| 01/23/1990 | US4896028 Surge absorption apparatus |
| 01/23/1990 | US4896027 Portable detachable data record |
| 01/23/1990 | CA1264872A1 Mounting of an integrated circuit on a support |