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.

Date of Patent:
Mar. 04, 2025

Filed:

Oct. 15, 2021
Applicant:

Sony Interactive Entertainment Inc., Tokyo, JP;

Inventors:

Katsuhisa Tadano, Kanagawa, JP;

Nozomu Uchida, Tokyo, JP;

Isao Okuyama, Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0038 (2013.01); G02B 6/0021 (2013.01); G02B 6/0036 (2013.01); G02B 27/0172 (2013.01); G02B 2027/0178 (2013.01);
Abstract

Provided is an input device including an exterior member; a light source housed in the exterior member; a tracked portion that is a part of the exterior member and includes a light emitting portion having an outer surface that emits light toward an outside; and a light guide tube that has an incident surface that receives light of the light source and guides the light of the light source to the light emitting portion, in which a curved surface that widens an angle range of light emitted from the outer surface of the light emitting portion is formed at a boundary surface between light media in an optical path from the incident surface of the light guide tube to the outer surface of the light emitting portion.


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