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:
May. 08, 2012
Filed:
Nov. 24, 2009
Noam Tziony, Petach Tikva, IL;
Alon Ferentz, Bat Yam, IL;
Roni Blaut, Netanya, IL;
David Pincu, Holon, IL;
Chanoch Kahn, Jerusalem, IL;
Noam Tziony, Petach Tikva, IL;
Alon Ferentz, Bat Yam, IL;
Roni Blaut, Netanya, IL;
David Pincu, Holon, IL;
Chanoch Kahn, Jerusalem, IL;
Microsemi Corp.—Analog Mixed Signal Group Ltd., Hod Hasharon, IL;
Abstract
A driving arrangement for a plurality of light emitting diodes (LEDs), the driving arrangement constituted of: a plurality of serially connected first LEDs coupled to a source voltage; a plurality of first electronically controlled switches, each associated with a particular one of the plurality of serially connected first LEDs and arranged to provide, when closed, a bypass current path for the associated first LED; and a control circuitry coupled to a control terminal of each of the plurality of first electronically controlled switches, the control circuitry operative to close a number of the plurality of first electronic switches, the number responsive to a voltage level of the source voltage.