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Patent Searching and Data


Title:
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, MANAGEMENT DEVICE, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/179528
Kind Code:
A1
Abstract:
The present invention deduces the path of a movable terminal device. An information processing system (S) includes: a plurality of transmitters (1a, 1b) that can transmit a prescribed radio wave; a terminal device (2) that can receive the prescribed radio wave; and a management device (3) that is communicably connected to the terminal device, wherein the terminal device (2) measures the intensity of the radio wave received from each of the transmitters (1a, 1b) at every prescribed time, and transmits the measuring result to the management device (3), and the management device (3) calculates the distances between the terminal device (2) and the respective transmitters (1a, 1b) at every prescribed time on the basis of the measuring result, and calculates, from the calculated distances, the position of the terminal device (2) at every prescribed time.

Inventors:
KASAHARA HISATOSHI (JP)
FUJIMOTO NORIHIRO (JP)
MIZUNO HITOSHI (JP)
SATO SEIYA (JP)
GOTO KAZUHIKO (JP)
Application Number:
PCT/JP2020/007291
Publication Date:
September 10, 2020
Filing Date:
February 25, 2020
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G08G1/16; G01S1/68; G01S5/02; G01S5/14
Foreign References:
JP2003299140A2003-10-17
JP2006291502A2006-10-26
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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