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:
Aug. 11, 2020
Filed:
Jul. 31, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Naoki Yotsumoto, Tokyo, JP;
Masashi Torimoto, Saitama, JP;
Masaki Ohno, Kanagawa, JP;
Takashi Sato, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21K 9/237 (2016.01); F21K 9/66 (2016.01); F21K 9/232 (2016.01); F21V 3/02 (2006.01); F21K 9/61 (2016.01); F21V 33/00 (2006.01); F21S 2/00 (2016.01); F21K 9/69 (2016.01); F21V 29/70 (2015.01); F21K 9/238 (2016.01); F21V 3/00 (2015.01); F21V 17/12 (2006.01); F21V 8/00 (2006.01); H04R 1/02 (2006.01); F21K 9/68 (2016.01); F21V 7/04 (2006.01); F21Y 101/00 (2016.01); F21Y 103/33 (2016.01); F21Y 105/18 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21K 9/237 (2016.08); F21K 9/232 (2016.08); F21K 9/238 (2016.08); F21K 9/61 (2016.08); F21K 9/66 (2016.08); F21K 9/69 (2016.08); F21S 2/00 (2013.01); F21V 3/00 (2013.01); F21V 3/02 (2013.01); F21V 17/12 (2013.01); F21V 29/70 (2015.01); F21V 33/0056 (2013.01); G02B 6/0096 (2013.01); H04R 1/028 (2013.01); F21K 9/68 (2016.08); F21V 7/041 (2013.01); F21Y 2101/00 (2013.01); F21Y 2103/33 (2016.08); F21Y 2105/18 (2016.08); F21Y 2115/10 (2016.08);
Abstract
A bulb-type light source apparatus includes a light source and a light guide member. The light source is provided annularly. The light guide member includes an outer surface, a light-incident end surface opposing the light source, and an optical pattern portion configured to emit, from the outer surface, light that enters from the light-incident end surface.