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Title:
LOCATION DETECTION SYSTEM AND LOCATION DETECTION METHOD OF LOCATION DETECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/122459
Kind Code:
A1
Abstract:
The purpose of the present invention is to reduce the acquisition time of location information without installing new equipment. Provided is a location detection system which is disposed in vehicles and comprises a vehicle-mounted device (1) provided in a vehicle and also provided in another vehicle, each of said vehicle-mounted devices (1) being provided with a location detection unit (3) for detecting the location of the respective host vehicle, a communication unit (5) for carrying out communication, and a CPU unit (2) for controlling the location detection unit (3) and the communication unit (5). The location detection system is characterized in that each vehicle-mounted device (1) is further provided with a global positioning system (GPS) tracking information processing unit (4) for obtaining GPS tracking information of each vehicle, the communication unit (5) of one vehicle broadcasts a GPS tracking information request, the communication unit (5) of the other vehicle transmits the GPS tracking information held thereby to the communication unit (5) of the one vehicle when the distance to the one vehicle is less than or equal to a predetermined value, the GPS tracking information processing unit (4) passes the GPS tracking information received from the other vehicle to the location detection unit (3), and the location detection unit (3) of the one vehicle outputs location information of the one vehicle on the basis of the GPS tracking information.

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Inventors:
MURATA HIDEAKI (JP)
KONDO KAZUUMI (JP)
ADACHI TETSUYA (JP)
HIURA RYOTA (JP)
Application Number:
PCT/JP2015/053830
Publication Date:
August 20, 2015
Filing Date:
February 12, 2015
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
G01S19/25; G01C21/28; G08G1/09
Foreign References:
JP2012251947A2012-12-20
JPH06169267A1994-06-14
JPH08248127A1996-09-27
JP2005069767A2005-03-17
Attorney, Agent or Firm:
FUJITA, Takaharu et al. (JP)
Takaharu Fujita (JP)
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