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.

Patent No.:

US 7309130 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 18, 2007

Filed:

Mar. 29, 2005
Applicants:

I-hsien Liu, Miao-Li County, TW;

Chien-hung Lee, Miao-Li County, TW;

Inventors:

I-Hsien Liu, Miao-Li County, TW;

Chien-Hung Lee, Miao-Li County, TW;

Assignee:

Coretronic Corporation, Miao-Li County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fixture for a projection system that includes a lamp, a light valve and a projection lens mainly comprises a lamp frame and an optical engine main body, wherein the lamp frame contains a chamber for containing the optical engine main body. The optical engine main body includes an optical engine seat and an optical engine upper cover. One end of the optical engine seat is connected to the lamp frame while another end thereof is connected to the optical engine upper cover. The optical engine seat is made of a heat-insulating material for preventing the heat of the lamp from conducting to the optical engine upper cover for providing better image quality of the projection system, extending the lifetime of the light valve and the projection lens, reducing the weight and the cost of the whole projection system.


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Liu, I-Hsien. (2007). Fixture for projection system (U.S. Patent No. 7309130). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7309130

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