Hands-free system for unlocking and/or opening an openable member of a motor vehicle
US5929769A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 25, 1996 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Oct 25, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/65
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for unlocking and/or opening an openable member of a motor vehicle comprises a control unit, transmitter/receiver means connected to said control unit, and a transponder worn or carried by a user. The transmitter/receiver means of the vehicle comprise at least one antenna situated on the openable member or in the vicinity thereof, said transmitter/receiver means entering into dialogue with the transponder only when it is situated in the immediate vicinity of said antenna. The control unit causing the openable member to be unlocked and/or opened when the transponder is presented in a predetermined sequence to the antenna(s) of the transmitter/receiver means of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.