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:
Dec. 08, 2020

Filed:

Nov. 02, 2017
Applicants:

Thk Co., Ltd., Tokyo, JP;

Nec Display Solutions, Ltd., Tokyo, JP;

Inventors:

Marie Shimamura, Tokyo, JP;

Jun Hirota, Tokyo, JP;

Hajime Fukushima, Tokyo, JP;

Kunitaka Furuichi, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); H04N 5/74 (2006.01);
U.S. Cl.
CPC ...
G03B 21/142 (2013.01); G03B 21/145 (2013.01); H04N 5/74 (2013.01);
Abstract

A projector apparatus that can effectively reduce bending of a base plate supporting a lens shifting unit thereon and facilitates replacement of unit parts in the event of a failure is provided. The projector apparatus includes: a base plate attached inside a projector body; a lens supporting unit attached to the base plate and supporting a projection lens so as to be movable relative to the base plate; guiding mechanisms for guiding the lens supporting unit so as to be freely movable in a horizontal direction and a normal direction relative to the base plate; and fixing devices which fix the base plate to the projector body. The fixing devices include a plurality of first fixing devices provided at a peripheral edge of the base plate, and second fixing devices provided on an inner side of the plurality of first fixing devices.


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