Electronic storage memory card or disk and laser reader/writer interface
US6467690B1 · kind B1 · utility
6Cited by
7References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1999 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Apr 8, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/24038
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electronic card which is a composite of various materials, including an optically sensitive digital storage section which is capable of being formatted and having digital binary data stored within its surface. The card is capable of being erased and having new data written and of being easily carried on a person in a wallet or purse. An optical screening reader/writer drive is capable of formatting the storage media, writing data onto the card, erasing data from the card and rewriting data onto the same card.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.