Title: Occupant approach detection apparatus, occupant approach detection system, and occupant approach detection method
Application Number: 200610148443 Application Date: 2006.11.09
Publication Number: 1971629 Publication Date: 2007.05.30
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G07C9/00;B60R25/00
Applicant(s) Name: Nissan Motor Address:
Inventor(s) Name: Eguchi Takashi
Attorney & Agent: sunjing guo zhanghui ping
Abstract:
    An occupant approach detection apparatus which includes: a transmitting device individually transmitting transmission request signals from transmitting antennas provided to doors of a vehicle; a receiving device receiving a response signal returned, as a response to one of the transmission request signals, from a portable unit; and a controller detecting an approach of a vehicle occupant carrying the portable unit based on the response signal. Each of the transmission request signals includes identification information for identifying corresponding one of the transmitting antennas or one of the doors. The response signal includes identification information corresponding to the identification information included in the transmission request signal. The controller determines which of the plurality of doors is approached by the vehicle occupant carrying the portable unit on the basis of the identification information included in the response signal.
Time: 25
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