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.

Patent No.:

US 8909221 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 09, 2014

Filed:

Apr. 18, 2011
Applicants:

Kentaro Itagaki, Yokohama, JP;

Jun Hashimoto, Yokohama, JP;

Makoto Takahashi, Yokosuka, JP;

Inventors:

Kentaro Itagaki, Yokohama, JP;

Jun Hashimoto, Yokohama, JP;

Makoto Takahashi, Yokosuka, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 64/00 (2009.01); G01S 11/06 (2006.01); G01S 5/14 (2006.01);
U.S. Cl.
CPC ...
H04W 64/00 (2013.01); Y02B 60/50 (2013.01); G01S 11/06 (2013.01); G01S 5/14 (2013.01);
Abstract

A positioning apparatus for performing a positioning operation based on distance to an access point includes an access point detection unit configured to detect an access point, a memory unit configured to store the access point detected by the access point detection unit for each of channels, a channel setup unit configured to set a channel to be scanned based on the access points in the memory unit, and a positioning operation unit configured to perform positioning based on the distance to the access point detected by the access point detection unit. The access point detection unit detects the access point based on the channel set by the channel setup unit.


Find Patent Forward Citations

Itagaki, Kentaro. (2014). Positioning apparatus and positioning method (U.S. Patent No. 8909221). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8909221

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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