Patent ID: 6798339
Filing Date: 2004-09-28
Classification: G07C

Abstract:
A vehicle security system for a vehicle comprising a door lock circuit including at least one door lock switch and at least one door lock controller responsive thereto, the vehicle security system comprising:a security controller for selectively operating the at least one door lock controller; and a multi-vehicle compatible interface module for interfacing said security controller to the door lock circuit of a given vehicle from among a plurality of different vehicles including at least one vehicle wherein the door lock circuit comprises a single-wire door lock circuit including a lock resistance and an unlock resistance to be selectively connected in series with a voltage reference to thereby operate the at least one door lock controller, said multi-vehicle compatible interface module comprising a circuit board, a first variable resistor carried by said circuit board and being settable to match the lock resistance of the at least one door lock switch, and a second variable resistor carried by said circuit board and being settable to match the unlock resistance of the door lock switch.