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:
Feb. 01, 2011

Filed:

Nov. 15, 2007
Applicants:

Chien-wen Hsu, Taipei Hsien, TW;

Shih-chieh Chou, Taipei Hsien, TW;

Chia-hung Kao, Taipei Hsien, TW;

Huan-liang Lo, Taipei Hsien, TW;

Inventors:

Chien-Wen Hsu, Taipei Hsien, TW;

Shih-Chieh Chou, Taipei Hsien, TW;

Chia-Hung Kao, Taipei Hsien, TW;

Huan-Liang Lo, Taipei Hsien, TW;

Assignee:

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projector includes a projecting lens configured for projecting an image, a controlling unit configured for analyzing a color temperature of the image, and an adjusting unit electrically connected to the controlling unit. The adjusting unit adjusts the color temperature of the image to be identical to a preset color temperature of the projector by changing transmittance of light through the adjusting unit.


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