Individual identification card system
US6814283B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Apr 9, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Apr 9, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F7/1066
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An individual identification card system providing improved security includes (1) a random number generator; (2) individual identification cards having recorded on them respective individual identification codes made by affixing a random number generated by the random number generator to individual fixed codes peculiar to respective individuals; (3) an individual identification card recorder for recording on the individual identification cards respective individual identification codes, including an updated or additional random number when a specified event occurs; (4) a collation-purpose information control which controls collating the individual identification codes recorded on the individual identification cards; and (5) a collator which reads the individual identification codes recorded on the individual identification cards for collation with a code controlled by the collation-purpose information control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.