Keyless motor vehicle starting system with anti-theft feature

Details Keyless motor vehicle starting system with anti-theft feature Keyless motor vehicle starting system with anti-theft feature

1996-05-24

1997-11-18

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

1231792, 180287, B60R 2504

Patent

active

056891423

ABSTRACT:
A keyless motor vehicle starting system to replace a conventional ignition lock and ignition key of a motor vehicle. The system consists of a portable wireless transmitter and a receiver/controller board which is installed deeply inside the motor vehicle behind a steering column cover or cluster cover of the motor vehicle. The portable wireless transmitter has a power-code generator and a starter-code generator and controls a vehicle battery power supply and ON-OFF states of a motor vehicle starter by sending a radio-frequency-modulated power-code and starter code. A novel design is disclosed to avoid having to detect engine-running conditions and avoid using a feed-back-control circuit to de-energize the motor starter.

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