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:
Dec. 20, 2016
Filed:
Feb. 10, 2015
Applicants:
Sintai Optical (Shenzhen) Co., Ltd., Shenzhen, Guandong Province, CN;
Asia Optical International Ltd., Tortola, GB;
Inventors:
Chiao-Sen Hsu, Taichung, TW;
Chen-Ren Yu, Taichung, TW;
Assignees:
SINTAI OPTICAL (SHENZHEN) CO., LTD., Shenzhen, Guangdong Province, CN;
ASIA OPTICAL INTERNATIONAL LTD., Tortola, VG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/28 (2006.01); G03B 21/30 (2006.01);
U.S. Cl.
CPC ...
G03B 21/142 (2013.01); G03B 21/28 (2013.01); G03B 21/30 (2013.01);
Abstract
A projection device of the invention includes a housing, a light engine disposed in the housing, a lens disposed on a lateral side of the housing, and a light direction regulating mechanism disposed on the lateral side and in front of the lens. The light direction regulating mechanism is able to determine propagation of the light in a selected direction after the light passes through the lens.