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:
Jun. 04, 2013
Filed:
Apr. 11, 2010
Applicant:
Chih-yi Yang, Taipei, TW;
Inventor:
Chih-Yi Yang, Taipei, TW;
Assignee:
Lumos Technology Co., Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 1/00 (2006.01); F21V 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ring light apparatus capable of varying projection angle includes an inner barrel passed through an axis, a support base arranged at an end of the inner barrel, a plurality of variable projection angle light emitting modules arranged on the support base, and a drive mechanism arranged outside the inner barrel and used for driving the variable projection angle light emitting modules to vary the projection angle, so as to provide a uniform light beam for a near object.