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:
Mar. 19, 2019

Filed:

May. 16, 2017
Applicant:

Coretronic Corporation, Hsin-Chu, TW;

Inventors:

Wen-Hao Chu, Hsin-Chu, TW;

Te-Tang Chen, Hsin-Chu, TW;

Tsung-Ching Lin, Hsin-Chu, TW;

Assignee:

Coretronic Corporation, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/00 (2006.01); G03B 21/20 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/005 (2013.01); G03B 21/2093 (2013.01); H04N 9/3144 (2013.01);
Abstract

A light source module of a projector includes a light source having a lamp axis, a fan for providing a cooling airflow, and a flow guide device disposed between the light source and the fan and for guiding the cooling airflow. The flow guide device includes a first air channel connected between a side of the light source and an air outlet of the fan, a second air channel connected between another side of the light source and the air outlet of the fan, and a first airflow control assembly disposed in the first air channel and for controlling the first air channel either in communication or non-communication states via gravity. The first airflow control assembly has a first control rotating shaft inclined relative to the lamp axis and a first included angle between the first control rotating shaft and the lamp axis is less than 90 degrees.


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