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.

Date of Patent:
Jun. 28, 2016

Filed:

Jan. 02, 2013
Applicant:

Koninklijke Philips N.v., Eindhoven, NL;

Assignee:

KONINKLIJKE PHILIPS N.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0815 (2013.01); H05B 33/0845 (2013.01);
Abstract

Electrical device () for compensating an effect of an electrical current (I) of a load (), in particular an LED unit having one or more LEDs, when the load is supplied via a phase cut dimmer, which is normally conceived for traditional filament lamps. The electrical device comprising a connection element () for electrically connecting the electrical device () to an external power source () providing a supply voltage (V) for powering the load (), a monitoring device () for monitoring the electrical current (I) of the load () during a first time interval (Toff), and a signal controller () connected to the connection element () for providing an electrical compensation signal () to the connection element () during a second time interval (T, T) on the basis of the electrical current (I) monitored by the monitoring device ().


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