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:
Jul. 23, 2013
Filed:
Mar. 17, 2010
Applicant:
Wen-chin Cheng, Hsinchu County, TW;
Inventor:
Wen-Chin Cheng, Hsinchu County, TW;
Assignee:
Lumens Digital Optics Inc., Jhubei, Hsinchu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for controlling electrical power of light emission diodes (LED) is provided. The above method comprises steps of providing a supply voltage to the LED driver; providing a driving current to the LED by the LED driver; obtaining an operating voltage of the LED; and adjusting the supply voltage according to the operating voltage of the LED.
Cheng, Wen-Chin. (2013). System and method for controlling electrical power of led and led projector having the same (U.S. Patent No. 8492999). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8492999
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile