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.:
Date of Patent:
Apr. 28, 2015
Filed:
Jul. 09, 2010
Applicants:
Chun-ming Shen, Taipei, TW;
Hsin-hung LI, Taoyuan County, TW;
Chun-hong Chen, Taoyuan County, TW;
Inventors:
Assignee:
Qisda Corporation, Taoyuan County, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/20 (2013.01); G03B 21/202 (2013.01); G03B 21/2093 (2013.01); G03B 21/2086 (2013.01);
Abstract
A projector being operated at a working surface is provided. The projector includes a casing, a light source module and a transparent blocking member. The casing has a first surface and a second surface. The first surface is adjacent to the working surface and opposite to the second surface. The second surface has an opening. The light source module corresponding to the opening is disposed in the casing. The light source module can be assembled and disassembled through the opening. The transparent blocking member is disposed on the second surface and covers the opening.