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:
Jun. 28, 2016
Filed:
Nov. 07, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takayuki Matsubara, Chino, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G02B 19/00 (2006.01); G03B 21/20 (2006.01); G02B 27/10 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2013 (2013.01); G02B 19/0057 (2013.01); G02B 27/102 (2013.01); G03B 21/204 (2013.01); G03B 21/208 (2013.01);
Abstract
A light source section is provided with a plurality of light sources. A pitch of the light sources in a first direction and a pitch in a second direction are regulated in accordance with a specific cross-sectional shape of a light beam.