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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 12794273 B1

PDFFull Text
Date of Patent:
Nov. 10, 2026

Filed:

Jun. 06, 2023

Powered device, power sourcing equipment, and optical power feeding system

Applicant:

Kyocera Corporation, Kyoto, JP;

Inventors:

Shinji Tsuda, Tokyo, JP;

Takashi Iwasaki, Tokyo, JP;

Yoshiyuki Kimura, Yokohama, JP;

Takahiro Ishii, Yokohama, JP;

Assignee:

KYOCERA Corporation, Kyoto, JP;

Attorney:

Procopio, Cory, Hargreaves & Savitch LLP

Primary Examiner:

Daniel G Dobson

Int. Cl.
CPC ...
H04B 10/00 (2013.01); G02B 27/09 (2006.01); H02J 50/00 (2016.01); H02J 50/30 (2016.01); H02J 50/80 (2016.01); H04J 14/00 (2006.01);
U.S. Cl.
CPC ...
H02J 50/30 (2016.02); G02B 27/0916 (2013.01); G02B 27/0955 (2013.01); H02J 50/005 (2020.01); H02J 50/80 (2016.02);
Abstract

To suppress an influence of radiation of feed light subjected to spatial transmission, an optical power feeding systemB performs power feeding from PSEB to a PDB by spatial transmission of feed light. The PSEB includes a light emitterand an adjusterB. The light emitteroutputs the feed light. The adjusterB variably adjusts a beam diameter of the feed light. The PDB includes a light receiverand a responderB. The light receiverconverts the feed lightthat has been received into electric power. The responderB makes a response to the PSEB in accordance with whether the beam diameter of the feed lightis appropriate. The adjusterB gradually decreases the beam diameter from a beam diameter at a start of outputting of the feed light, and stops decreasing the beam diameter, based on the response.

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Tsuda, Shinji. (2026). Powered device, power sourcing equipment, and optical power feeding system (U.S. Patent No. 12794273). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12794273

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