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.

Date of Patent:
Aug. 15, 2017

Filed:

Nov. 29, 2012
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Montu Virendra Doshi, Boulder, CO (US);

Steven Michael Barrow, Longmont, CO (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0842 (2013.01); H05B 33/0815 (2013.01); H05B 33/0845 (2013.01); H05B 37/02 (2013.01);
Abstract

Circuits and methods for driving an LED from a secondary side of a transformer are disclosed herein. An embodiment of the method includes monitoring an input voltage to determine the power level intended to drive the LED. The current flow through the primary side of the transformer is adjusted to make the power actually driving the LED equal to the power intended to drive the LED.


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Doshi, Montu. (2017). Circuit and method for driving a light-emitting diode (U.S. Patent No. 9736898). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9736898

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