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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 12772193 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Jul. 14, 2023

System and method for optical localization

Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Jagdeep Singh, Bristol, GB;

Peizheng Li, Bristol, GB;

Assignee:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Monica T Taba

Int. Cl.
CPC ...
H04W 64/00 (2009.01); H04B 10/116 (2013.01); H04W 4/02 (2018.01); H04W 4/024 (2018.01); H04W 4/029 (2018.01); H04W 4/33 (2018.01);
U.S. Cl.
CPC ...
H04W 64/00 (2013.01); H04B 10/116 (2013.01); H04W 4/02 (2013.01); H04W 4/024 (2018.02); H04W 4/029 (2018.02); H04W 4/33 (2018.02);
Abstract

A method of detecting a location of a mobile unit in an environment lit by a plurality of light sources, the method comprising, the mobile unit using a light sensor, obtains a plurality of pieces of spectral information of visible light the mobile unit is exposed to, the spectral information being only obtained at a limited number of predetermined wavelength. The method further comprises comparing the determined signature to previously stored signatures of light sources and identifying a light source that has the most similar signature to the determined signature and estimating a current location of the mobile unit as being at or proximate to a known installation location of the identified light source.

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Singh, Jagdeep. (2026). System and method for optical localization (U.S. Patent No. 12772193). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12772193

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