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.:
Date of Patent:
Oct. 25, 2022
Filed:
Aug. 23, 2021
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Toshiaki Takenaka, Osaka, JP;
Shintaro Hayashi, Hyogo, JP;
Shogo Motegi, Osaka, JP;
Yudai Shibata, Hyogo, JP;
Fumiya Yagi, Osaka, JP;
Takeshi Abe, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/32 (2018.01); F21V 9/40 (2018.01); F21V 7/04 (2006.01); F21V 5/04 (2006.01);
U.S. Cl.
CPC ...
F21V 9/40 (2018.02); F21V 5/04 (2013.01); F21V 7/04 (2013.01);
Abstract
A light source device includes a plurality of light sources; a condensing optical member; a fluorescent unit that converts at least a portion of the light from the light sources and condensed by the optical member into light including converted light and light from the light sources; and a sensor that detects an anomaly in the fluorescent unit, such sensor disposed within a circular area circumscribed by the light sources.