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:
Sep. 21, 2010
Filed:
Jan. 08, 2007
Arkadiy Peker, New Hyde Park, NY (US);
Dror Korcharz, Bat Yam, IL;
David Pincu, Holon, IL;
Simon Kahn, Jerusalem, IL;
Arkadiy Peker, New Hyde Park, NY (US);
Dror Korcharz, Bat Yam, IL;
David Pincu, Holon, IL;
Simon Kahn, Jerusalem, IL;
Microsemi Corp. - Analog Mixed Signal Group Ltd., Hod Hasharon, IL;
Abstract
A fault detection mechanism for a LED string comprising a plurality of serially connected LEDs, the fault detection mechanism comprising: a control circuitry; and a voltage measuring means, in communication with the control circuitry, arranged to measure the voltage drop across at least one LED of the LED string, the control circuitry being operable to: measure the voltage drop, via the voltage measuring means, at a plurality of times, compare at least two of the measured voltage drops, and in the event the comparison of the at least two voltage drops is indicative of one of a short circuit LED and an open circuit LED, output a fault indicator.