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Title:
VEHICLE-MOUNTED DEVICE CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/084761
Kind Code:
A1
Abstract:
A vehicle-mounted device control system, wherein the collation of a portable machine (200) is carried out by performing intercommunication in which the portable machine (200) returns a response signal in response to the request signal transmitted by a vehicle-side unit (100) mounted in a vehicle, and vehicle-mounted devices are controlled according to the result of the collation. An ECU (110) of the vehicle-side unit (100) determines whether the periodic collation timing (t) comes or not, and performs vehicle exterior collation if it is determined that the periodic timing comes (S10 to S11). In this case, the ECU (110) sets one communication frequency, the priority of which is high as a communication frequency to be specified for the portable machine (200).

Inventors:
NAKASHIMA KAZUHIRO (JP)
KIMURA ARINOBU (JP)
OKADA HIROKI (JP)
MURAKAMI HIROKO (JP)
Application Number:
PCT/JP2010/000349
Publication Date:
July 29, 2010
Filing Date:
January 22, 2010
Export Citation:
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Assignee:
DENSO CORP (JP)
NAKASHIMA KAZUHIRO (JP)
KIMURA ARINOBU (JP)
OKADA HIROKI (JP)
MURAKAMI HIROKO (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
E05B49/00; B60R25/01; B60R25/04; B60R25/24; B60R25/40; H04W4/04; H04W12/06
Foreign References:
JP2008190173A2008-08-21
Attorney, Agent or Firm:
YAHAGI, KAZUYUKI (JP)
Kazuyuki Yahagi (JP)
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