The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 04, 2016

Filed:

Apr. 04, 2012
Applicants:

Yayoi Fujiwara, Kawasaki, JP;

Hirofumi Isobe, Tokyo, JP;

Makoto Kogoh, Yamato, JP;

Yukihiro Murakami, Yamato, JP;

Yasutaka Nishimura, Yamato, JP;

Takahito Tashiro, Yokohama, JP;

Inventors:

Yayoi Fujiwara, Kawasaki, JP;

Hirofumi Isobe, Tokyo, JP;

Makoto Kogoh, Yamato, JP;

Yukihiro Murakami, Yamato, JP;

Yasutaka Nishimura, Yamato, JP;

Takahito Tashiro, Yokohama, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); H04W 4/02 (2009.01); H04W 12/06 (2009.01); H04W 64/00 (2009.01); G01S 5/14 (2006.01); G01S 11/06 (2006.01); H04L 29/06 (2006.01); H04W 4/04 (2009.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
H04W 4/023 (2013.01); G01S 5/14 (2013.01); G01S 11/06 (2013.01); H04W 12/06 (2013.01); H04W 64/00 (2013.01); H04L 63/0492 (2013.01); H04W 4/043 (2013.01); H04W 84/18 (2013.01);
Abstract

To provide a system capable of estimating a location of an information communication terminal and to provide an information communication terminal used for the system, a system includes multiple information communication terminals and a management server. Each information communication terminal has an agent program installed thereon. When the information communication terminal is connected to the wired LAN, an terminal information sending unit sends terminal identification information to cause the management server to generate location information. Upon receiving a mode change instruction, a communication mode changing unit changes a mode to cause the information communication terminal to function as a pseudo access point. When the information communication terminal is not connected to the wired LAN, a radio wave intensity measuring unit measures an intensity of the carrier wave from the PAP. The information communication terminal transmits a measurement result to the management server to cause the management server to estimate location information.


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