Keyless vehicle entry system employing portable transceiver having low power consumption
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United States of America Patent
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Nov 17, 1998
Grant Date -
N/A
app pub date -
May 24, 1996
filing date -
May 24, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A portable transceiver is provided for use with a remote keyless entry system for controlling the locking-unlocking functions of a motor vehicle door lock and causing performance of a vehicle function. The transceiver includes a signal receiver for, when turned on, receiving an interrogation signal and responding thereto by transmitting a coded reply signal requesting performance of a vehicle function. A power supply is carried by the portable transceiver for purposes of supplying operating power for use by the signal receiver. A timer and controller are arranged to turn-on transceiver operation for a predetermined period of time when an interrogation signal and timed power pulse are received concurrently.
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