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:
Apr. 05, 2005

Filed:

Sep. 02, 2003
Applicant:

Takatoyo Kitamura, Osaka, JP;

Inventor:

Takatoyo Kitamura, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B021/14 ; G02F001/00 ; H04N005/74 ;
U.S. Cl.
CPC ...
Abstract

A DMD stop has a notch through which a light reflected towards other than a projection lens by a mirror unit can pass. This protects the DMD from being heated up and thermally fractured by the light reflected towards other than the projection lens by the mirror unit.


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