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:
Mar. 15, 2016
Filed:
Jul. 17, 2012
Chia-cheun Liang, Hsin-Chu, TW;
Chao-chien Huang, Hsin-Chu, TW;
Chi-yang Huang, Hsin-Chu, TW;
Han-ping Cheng, Hsin-Chu, TW;
Chia-Cheun Liang, Hsin-Chu, TW;
Chao-Chien Huang, Hsin-Chu, TW;
Chi-Yang Huang, Hsin-Chu, TW;
Han-Ping Cheng, Hsin-Chu, TW;
PixArt Imaging Inc., Science-Based Industrial Park, Hsin-Chu, TW;
Abstract
A light source determining apparatus for determining if a light source is a specific type light source is disclosed. The light source determining apparatus comprises: a light filtering device, comprising at least one first region and at least one second region, wherein the first region can pass only light with a specific frequency, where the second region can pass not only light with the specific frequency but also light with other frequencies; and a determining unit, for determining if the light source is the specific type light source, according to luminosity that the light source respectively generates for the first region and the second region.