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:
May. 15, 2018
Filed:
Oct. 26, 2015
Applicant:
Benq Materials Corporation, Taoyuan, TW;
Inventor:
Fung-Hsu Wu, Taoyuan, TW;
Assignee:
BenQ Materials Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 14/00 (2018.01); G02B 27/14 (2006.01); F21V 23/04 (2006.01); F21Y 115/10 (2016.01); F21Y 115/15 (2016.01);
U.S. Cl.
CPC ...
F21V 14/003 (2013.01); G02B 27/142 (2013.01); G02B 27/144 (2013.01); F21V 23/04 (2013.01); F21Y 2115/10 (2016.08); F21Y 2115/15 (2016.08);
Abstract
A one-way vision system includes an indoor lighting, a light valve device, and a control module electrically connecting to the indoor lighting and the light valve device, and synchronously controlling power switch of the indoor lighting and switching frequency of the light valve device. Therefore, the higher brightness indoor still has an excellent effect of secret in the condition of lower brightness outdoors.