Vehicle security system having transmitter verification and pseu

Details Vehicle security system having transmitter verification and pseu Vehicle security system having transmitter verification and pseu

1999-08-16

2000-10-10

Lieu, Julie

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

34082532, 34082537, 34082572, 341174, 341176, B60R 2510

Patent

active

061306061

ABSTRACT:
A vehicle security system includes a controller comprising a pseudorandom decoder for decoding a pseudorandomly coded signal from a remote transmitter, a remote transmitter adding feature for permitting addition of a coded remote transmitter capable of generating a pseudorandomly coded signal for operating the controller, and a remote transmitter verification feature for generating a signal based upon a number of coded remote transmitters capable of generating a pseudorandomly coded signal for operating the controller. The controller may be switchable between armed and disarmed modes responsive to the coded remote transmitter, and may generate an alarm responsive to a vehicle security sensor when in the armed mode. The controller may alternately generate door lock and unlock commands responsive to the coded remote transmitter.

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Lexus, 1995 Repair Manual SC400 SC300, vol. 3, (first printing Jan. 10, 1994) pp. BE-479-BE-522.

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