Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Reexamination Certificate
2007-07-25
2009-12-08
Trieu, Van T. (Department: 2612)
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
C340S426130, C340S539300
Reexamination Certificate
active
07629876
ABSTRACT:
A wireless key includes a receiver circuit that operates with a built-in battery, and receives a polling radio wave for wireless key search and authentication from a vehicle, and a transmitter circuit that transmits a lock operation radio wave to a door based on the manipulation on a manipulation device. The wireless key is capable of changing over operation mode between a power saving mode that permits the operation of transmitting the lock operation radio wave by the transmitter circuit and stops the operation of receiving the polling radio wave by the receiving circuit, and a full power mode that permits the operation of transmitting the lock operation radio wave by the transmitter circuit and continues the reception by the receiver circuit.
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Nagai Nobuyoshi
Ootsuka Mitsugi
Denso Corporation
Nixon & Vanderhye PC
Trieu Van T.
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