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Patent Searching and Data


Title:
POSITION DETERMINATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/261420
Kind Code:
A1
Abstract:
Provided in a vehicle (1) are: an external communications unit (16) provided outside the compartment of the vehicle (1); and an internal communications unit (17) provided inside the vehicle compartment. A position determination system (30) comprises a data acquisition unit (33) that obtains reception signal strength data for radio waves that have been communicated and measured, between the external communications unit (16) and a terminal (2) and between the internal communications unit (17) and the terminal (2). The position determination system (30) also comprises a position determination unit (31) that determines whether the terminal (2) is positioned outside or inside the vehicle (1), from the results of comparison between the size of data obtained from communication between the external communications unit (16) and the terminal (2) and between the internal communications unit (17) and the terminal (2). In addition, the external communications unit (16) is disposed inside a body component located around a rear wheel of the vehicle (1).

Inventors:
KATO YOSHIKI (JP)
KOSUGI MASANORI (JP)
FUKAGAI TADASHI (JP)
TSUTSUMI NOBUAKI (JP)
Application Number:
PCT/JP2021/023314
Publication Date:
December 30, 2021
Filing Date:
June 21, 2021
Export Citation:
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Assignee:
TOKAI RIKA CO LTD (JP)
International Classes:
E05B49/00; B60R25/24; G01S5/02
Foreign References:
JP2018141771A2018-09-13
JP2012172334A2012-09-10
JP2010216090A2010-09-30
US20070040649A12007-02-22
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
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