Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Patent
1998-06-23
1999-08-03
Hofsass, Jeffery A.
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
340539, 34082569, 34082572, 34082573, 34082574, 34082576, 455101, 4551511, 4551512, 4551514, 4551521, B60R 2510
Patent
active
059330740
ABSTRACT:
A unique transmitter broadcasting a single RF (radio frequency) signal in response to a single input for controlling a plurality of electrical vehicle accessories. To control the plurality of accessories, the RF signal conveys multiple information components. In a preferred embodiment, the transmitter operates in conjunction with a RF receiver installed in a vehicle to unlock the doors of the vehicle when a unique RF signal is broadcast within a defined range and actuate the horn of the vehicle when the same RF signal is broadcast outside of the defined range.
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patent: 5319364 (1994-06-01), Waraksa et al.
patent: 5345601 (1994-09-01), Takagi et al.
patent: 5517189 (1996-05-01), Bachhunber et al.
patent: 5600323 (1997-02-01), Boschini
patent: 5602535 (1997-02-01), Boyles
patent: 5729191 (1998-03-01), Allen et al.
patent: 5781106 (1998-07-01), Liger
Kulha Steven
Settles Steven
Hofsass Jeffery A.
Lieu Julie B.
UT Automotive Dearborn Inc.
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