Radio frequency control system
US5504478A · kind A · utility
48Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1994 |
| Grant date | Apr 2, 1996 |
| Priority date | — |
| Expiry date | Jan 12, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A radio frequency control system is provided which is particularly adapted for use in connection with an automotive vehicle. The system includes code generating means and a radio frequency transmitter operatively associated with the code generating means. A first antenna is provided which is connected to the transmitter, and a radio frequency receiver is provided which is connected to a second antenna. Decoding means is connected to the receiver and includes at least one output adapted to control a safety unit. At least one of the antennas is incorporated in a rearview mirror installed on a vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.