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. 20, 2010

Filed:

May. 02, 2007
Applicants:

Nien-hui Hsu, Hsinchu, TW;

Sen-ming Hsu, Hsinchu, TW;

Tsung-ching Lin, Hsinchu, TW;

Inventors:

Nien-Hui Hsu, Hsinchu, TW;

Sen-Ming Hsu, Hsinchu, TW;

Tsung-Ching Lin, Hsinchu, TW;

Assignee:

Coretronic Corporation, Hsinchu, TW;

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

A projection apparatus comprises a housing and further comprises a light source, an imaging system, an optical engine, a first blower, and an axial fan installed in the housing, and an air outlet is disposed on the housing. The light source is installed adjacent to the air outlet. The optical engine is installed between the imaging system and the light source. The first blower is installed at one end far away from the air outlet, and an exhaust port of the first blower faces one portion of the light source. The axial fan is installed at one side of the light source installed the first blower, and the light source is positioned between the air outlet and the axial fan. An exhaust port of the axial fan faces the light source, and a suction port of the axial fan is adjacent to the suction port of the first blower.


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