Keyless vehicle entry and engine starting system

Details Keyless vehicle entry and engine starting system Keyless vehicle entry and engine starting system

1995-03-14

1998-04-07

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082572, 34082531, 364424099, 1231792, 1231793, 477 99, G06F 704, H04Q 100, G08C 1900, B62D 4500

Patent

active

057369356

ABSTRACT:
A vehicle transceiver is employed in a keyless entry system for gaining entry into a vehicle and also for starting the vehicle's engine. The transceiver includes means for providing a start engine signal representative that the vehicle's engine is to be started, a brake signal representative that the vehicle's brake pedal has been depressed and a seat occupied signal representative that an occupant is located in the vehicle's driver seat. In response to these three signals, the transceiver transmits an interrogation signal to a remote transceiver which responds with a reply signal. The reply signal from the remote transceiver includes a security code that uniquely identifies the remote transceiver from similar remote transceivers. The vehicle's transceiver stores a prestored security code representative of a remote transceiver that may validly gain entry into the vehicle. The received security code from the remote transceiver and the prestored security code are compared and if a match takes place, the engine may be started.

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patent: 4881148 (1989-11-01), Lambropoulos et al.
patent: 5024186 (1991-06-01), Long et al.
patent: 5204672 (1993-04-01), Brooks

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