Dual function radio frequency remote control system for a motor vehicle
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United States of America Patent
Stats
-
Jan 28, 2003
Grant Date -
N/A
app pub date -
Sep 25, 1997
filing date -
Sep 27, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dual function radio frequency remote control system has a dual function portable emitter, and a receiver carried on a motor vehicle. The signal emitted by the emitter contains a function code in at least two parts at different power levels, and the receiver is adapted to control at least two functions of the vehicle selectively according to the power level of the received signal. If the receiver identifies both parts of the function code, the doors are unlocked. If only one part is received the doors are not unlocked, but the courtesy light or flashing indicators are switched on to enable the vehicle to be located.
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