Access system for vehicles
US6765473B1 · kind B1 · utility
3Cited by
10References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2001 |
| Grant date | Jul 20, 2004 |
| Priority date | — |
| Expiry date | Mar 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/61
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An access system (2) including an electronic key (4) provided with a transmitter (6) and including a secured location provided with a receiver (10), the transmitter (6) and the receiver (10) being designed to communicate with one another to exchange authentication data. The transmitter (6) transmits a signal; the receiver (10) converts the transmitted signal into spectral data; and, in response to transmission of the authentication data, the access system (2) grants access to the secured location, provided the spectral data matches the spectral signature of transmitter (6).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.