Title:
VEHICLE-MOUNTED MACHINE, VEHICLE COMMUNICATIONS SYSTEM, AND POSITION DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/235538
Kind Code:
A1
Abstract:
Provided are a vehicle-mounted machine, a vehicle communications system, and a position detection method. A vehicle-mounted machine that causes signals to be transmitted from a plurality of transmission antennas spaced apart on a vehicle and performs processing in accordance with response signals received from a mobile device that received the signals. The vehicle-mounted machine comprises: a first transmission control unit that causes signals to be transmitted simultaneously from two transmission antennas among the plurality of transmission antennas; and a second transmission control unit that, if a response signal is received from the mobile device in response to the signals transmitted from the two transmission antennas, causes a signal to be sent from one of the two transmission antennas.
Inventors:
MATSUOKA KENJI (JP)
Application Number:
PCT/JP2018/020470
Publication Date:
December 27, 2018
Filing Date:
May 29, 2018
Export Citation:
Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
G01S13/74; B60R11/02; B60R25/24; E05B49/00; G08C17/00; G08C19/00
Domestic Patent References:
| WO2017078040A1 | 2017-05-11 |
Foreign References:
| JP2004263447A | 2004-09-24 | |||
| JP2013217103A | 2013-10-24 | |||
| JP2007261455A | 2007-10-11 | |||
| US20080224839A1 | 2008-09-18 |
Attorney, Agent or Firm:
KOHNO, Hideto et al. (JP)
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