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:
Apr. 14, 2026
Filed:
Feb. 17, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Takashi Nakajima, Azumino, JP;
Yoshinori Hashimoto, Okaya, JP;
Toshimitsu Watanabe, Matsumoto, JP;
Nobuyuki Otsuki, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
G03B 21/142 (2013.01); G03B 21/145 (2013.01);
Abstract
A projector includes: an exterior casing having a first wall section; a projection optical part accommodated in the exterior casing and having a lens group projecting image light onto a projection surface; a focus lever moving a position of the lens group; a power switch being pressed to generate a control signal; and a coupling terminal electrically coupled to a cable transmitting an electrical signal. The focus lever, the power switch, and the coupling terminal are arranged at the first wall section.