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Title:
ONBOARD DEVICE, DISTANCE DETERMINATION METHOD, AND COMPUTER PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/216158
Kind Code:
A1
Abstract:
In an onboard device (10), a shared signal is inputted to each of a plurality of reception antennas (Rc1, Rc2, Rc3, Rc4). A microcomputer (23) calculates the position of a transmission source of the shared signal on the basis of the phases of the plurality shared signals inputted to the plurality of reception antennas (Rc1, Rc2, Rc3, Rc4). The microcomputer (23) determines whether the calculated transmission source position and the position indicated by position data contained in the shared signal is less than a prescribed distance.

Inventors:
ISHIKO, Shinichi (1-14, Nishisuehirocho, Yokkaichi-sh, Mie 03, 〒5108503, JP)
LI, Qiying (1-14, Nishisuehirocho, Yokkaichi-sh, Mie 03, 〒5108503, JP)
Application Number:
JP2019/016731
Publication Date:
November 14, 2019
Filing Date:
April 19, 2019
Export Citation:
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Assignee:
AUTONETWORKS TECHNOLOGIES, LTD. (1-14, Nishisuehirocho Yokkaichi-sh, Mie 03, 〒5108503, JP)
SUMITOMO WIRING SYSTEMS, LTD. (1-14, Nishisuehirocho Yokkaichi-sh, Mie 03, 〒5108503, JP)
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
International Classes:
B60R25/24; B60R25/33; E05B49/00; G01S5/06; H04Q9/00
Attorney, Agent or Firm:
KOHNO, Hideto et al. (KOHNO & KOHNO, 4-3 Tsuriganecho 2-chome, Chuo-ku, Osaka-sh, Osaka 35, 〒5400035, JP)
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