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.:

US 7919936 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 05, 2011

Filed:

Aug. 05, 2008
Applicants:

Da Liu, Milpitas, CA (US);

Yung-lin Lin, Palo Alto, CA (US);

Inventors:

Da Liu, Milpitas, CA (US);

Yung-Lin Lin, Palo Alto, CA (US);

Assignee:

O2 Micro, Inc, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a driving circuit for powering a plurality of light sources. The driving circuit includes a power converter, a plurality of switching regulators and a plurality of switching balance controllers. The power converter is operable for receiving an input voltage and for providing a regulated voltage to the light sources. The switching regulators are operable for adjusting forward voltages of the light sources respectively. The switching balance controllers are operable for generating pulse modulation signals to control the switching regulators respectively.


Find Patent Forward Citations

Liu, Da. (2011). Driving circuit for powering light sources (U.S. Patent No. 7919936). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7919936

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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