Title:
CONTROL SYSTEM
Document Type and Number:
Japanese Patent JP2012009970
Kind Code:
A
Abstract:
To provide, in a smart system of polling scheme, a control system that can reduce possibility of battery run-out caused by the smart system, by eliminating necessity for full-time transmission of an LF radio wave.
The system does not cause an LF transmission 41 to operate in full-time, causes it to operate upon detection of a biological body existing around a vehicle 2 by an infrared ray sensor 40, and starts transmission of a command signal to command returning an identification signal (ID) toward a key 3. A verification ECU 4 allows release of a door lock 51 if the returned identification signal and a master ID are verified and the verification is successful.
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Inventors:
Otsuka, Mitsugu
Application Number:
JP2010000142213
Publication Date:
January 12, 2012
Filing Date:
June 23, 2010
Export Citation:
Assignee:
DENSO CORP
International Classes:
H04Q9/00; B60R25/00; B60R25/10; E05B49/00; G08B13/00