Smart card with contactless optical interface
US5789733A · kind A · utility
369Cited by
20References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Sep 20, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07749
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical smart card (10) including a microchip (14) having information stored thereon, an optical holographic sensor pad (16) capable of detecting and collecting light beams emitted from a remote reader/transmitter (52), a light source (18) capable of emitting dataelectronic information contained on the microchip (14) back to the remote reader/transmitter (52) and electronics (20) connected to the sensor pad (16), the light source (18) and the microchip (14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.