System and method for vehicle passive entry having inside/outside detection
US6906612B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2002 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Feb 18, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/63
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In a vehicle passive entry system including a remote transceiver, a system and method for detecting the location of the remote transceiver relative to the vehicle. An exterior vehicle antenna is provided for use in transmitting a first signal for receipt by the remote transceiver, and an interior vehicle antenna is provided for use in transmitting a second signal for receipt by the remote transceiver. A controller is provided on board the remote transceiver for determining a signal strength of the first signal, determining a signal strength of the second signal, and determining whether the remote transceiver is located inside or outside the vehicle based on the signal strengths of the first and second signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.