Security apparatus

Details Security apparatus Security apparatus

2003-08-29

2008-09-02

Sherry, Michael J (Department: 2836)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

Reexamination Certificate

active

07420291

ABSTRACT:
A security apparatus is installed in a vehicle including a door-lock control device for performing a door lock control on the basis of a signal transmitted from a portable transmitter, which a legitimate driver should take along. The security apparatus prevents a theft of the vehicle. The security apparatus includes a receiving circuit, an antenna, and a control circuit. The receiving circuit can receive the signal transmitted from the portable transmitter. The control circuit has a function of switching a security mode on the basis of a reception state of the receiving circuit and a member relating to the door lock control such as a door lock motor.

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