Keyless motor vehicle starting system

Details Keyless motor vehicle starting system Keyless motor vehicle starting system

1997-12-04

1999-02-23

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

180287, 1231792, B60R 2504

Patent

active

058747850

ABSTRACT:
A keyless motor vehicle starting system to replace a conventional ignition lock and ignition key of a motor vehicle. The system comprises 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 transmitter integrated-circuit chip loaded with a computer program to implement a process to generate a power-code and a starter-code and controls the states of a motor vehicle by sending a radio-frequency-modulated power-code and starter code. The receiver/controller board has a receiver integrated-circuit chip loaded with a computer program to implement a process to detect the power-code and the starter-code and control a plurality of switches for switching among the OFF, ACC, START and RUN states of a motor vehicle.

REFERENCES:
patent: 4236594 (1980-12-01), Ramsperger
patent: 4674454 (1987-06-01), Phairr

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