Access control card, particularly for access to an automotive vehicle
US6547135B2 · kind B2 · utility
4Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2001 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Sep 6, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C9/00944
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
This electronic card (10) is adapted to coact with a reader (2), one edge of the card however remaining outside the reader. It has at least one light wave guide (24) integrated into the thickness of the latter, opening on one edge (16) of the card and permitting carrying a light wave when the card (10) is introduced into the reader (2) from within the interior of the reader to the external edge of the card and/or vice versa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.