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. 22, 2018
Filed:
Jan. 30, 2015
Philips Lighting Holding B.v., Eindhoven, NL;
Constant Paul Marie Jozef Baggen, Blerick, NL;
Stephanus Joseph Johannes Nijssen, Eindhoven, NL;
PHILIPS LIGHTING HOLDINGS B.V., Eindhoven, NL;
Abstract
A circuit comprising a controller () for controlling a pulse width modulated input signal, and a driver () configured to supply current to a load () based on the input signal, wherein over the on time of each pulse width modulation period the driver () supplies current to the load () with a second frequency that is greater than the first frequency. The controller () is configured to control the duty cycle to set the output of the load () to a desired output level, and to dither the duty cycle about a point corresponding to the desired output level.