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:
May. 01, 2018
Filed:
Jan. 17, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takashi Toyooka, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3155 (2013.01); G03B 21/2053 (2013.01); H04N 9/3161 (2013.01); H04N 9/3179 (2013.01); H04N 9/3194 (2013.01);
Abstract
A projector includes a light source, an information acquisition section adapted to obtain information of designating light intensity of light emitted by the light source, an arithmetic section adapted to calculate time for which the light source can be used with the light intensity represented by the information obtained by the information acquisition section, and a notification section adapted to give notification of the time calculated by the arithmetic section.