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:
Jan. 10, 2017
Filed:
Jan. 25, 2013
Koninklijke Philips N.v., Eindhoven, NL;
Patrick Alouisius Martina De Bruycker, Nuenen, NL;
Dmytro Viktorovych Malyna, Eindhoven, NL;
Harald Josef Günther Radermacher, Aachen, DE;
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
The present invention relates to a driver device () for driving a load (), in particular an LED unit () having one or more LEDs, comprising input terminals () for receiving an input voltage (V) from an external power source () for powering the load (), a current path () including a controllable switch () for connecting the input terminals () to each other, a measurement path () including a resistor () connecting the input terminals () to each other for providing an alternating voltage corresponding to the input voltage (V) and including a measuring device () for measuring the alternating voltage (V) at the measurement path (), and a controller () for controlling the controllable switch () on the basis of the measured alternating voltage.