Wireless key and door remote control system

Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 5627529 (1997-05-01), Duckworth et al.
patent: 5905445 (1999-05-01), Gurney et al.
patent: 6924735 (2005-08-01), Ueda et al.
patent: 7034657 (2006-04-01), Ueda et al.
patent: 7292137 (2007-11-01), Gilbert et al.
patent: 2001/0028297 (2001-10-01), Hara et al.
patent: 08-162996 (1996-06-01), None
patent: 2005-256472 (2005-09-01), None
patent: 2005-264660 (2005-09-01), None

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