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:
Jul. 11, 2017

Filed:

Mar. 24, 2015
Applicant:

Coretronic Corporation, Hsin-Chu, TW;

Inventors:

Chi-Chen Chen, Hsin-Chu, TW;

Chia-Tien Chen, Hsin-Chu, TW;

Assignee:

CORETRONIC CORPORATION, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G02B 7/00 (2006.01); G03B 5/00 (2006.01); G02B 13/16 (2006.01);
U.S. Cl.
CPC ...
G03B 21/142 (2013.01); G02B 7/004 (2013.01); G03B 5/00 (2013.01); G02B 13/16 (2013.01);
Abstract

A projection apparatus includes a light source, a light valve, and a lens module. The light source provides a light beam. The light valve converts the light beam into an image beam. The lens module converts the image beam into a projecting beam and includes a lens and a locking structure. The locking structure is connected to the lens and includes a first plate, a second plate, a moving element, and a first pushing element. The second plate is disposed between the first plate and the lens and firmly fixed to the lens. A groove is formed between the first plate and the second plate, and the groove has withstanding holes arranged along a first direction. The moving element is disposed between the first plate and the second plate. The first pushing element is disposed between the moving element and the second plate.


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