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:
Dec. 10, 2019
Filed:
Aug. 09, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Toshiaki Miyao, Matsumoto, JP;
Takahiro Totani, Suwa, JP;
Masayuki Takagi, Matsumoto, JP;
Takashi Takeda, Suwa, JP;
Akira Komatsu, Tatsuno-machi, JP;
Kazuya Kamakura, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G02B 27/01 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0176 (2013.01); G02B 6/0001 (2013.01); G02B 27/0172 (2013.01); G02B 2027/011 (2013.01); G02B 2027/015 (2013.01); G02B 2027/0132 (2013.01); G02B 2027/0152 (2013.01); G02B 2027/0169 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0198 (2013.01);
Abstract
In a frame part, a center portion having a thick structure is provided between a first optical member as a first light guide unit and a second optical member as a second light guide unit to connect to both and fixes relative positions of the first optical member and the second optical member by the center portion, and thereby, reduction in weight and size of the frame part is realized.