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. 11, 2013
Filed:
Jun. 18, 2010
Applicants:
Alexander Mednik, Campbell, CA (US);
Rohit Tirumala, Sunnyvale, CA (US);
Inventors:
Alexander Mednik, Campbell, CA (US);
Rohit Tirumala, Sunnyvale, CA (US);
Assignee:
Supertex, Inc., Sunnyvale, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Light Emitting Diode (LED) driver for preventing shorting has an LED driver circuit. A protection circuit is coupled to the LED driver to detect a fault condition by monitoring a cathode of an LED string of the LED driver, an LED current sense voltage of the LED driver, an LED current feedback error voltage of the LED driver circuit, and a state of a dimming switch of the LED driver.
Mednik, Alexander. (2013). Protection from short cathode condition in led driver and method therefor (U.S. Patent No. 8461777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8461777
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile