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:
Jul. 28, 2020
Filed:
Jan. 18, 2019
Applicant:
Ledvance Gmbh, Garching bei Munchen, DE;
Assignee:
LEDVANCE GMBH, Garching bei Munchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/37 (2020.01); H05B 45/10 (2020.01); H05B 45/50 (2020.01);
U.S. Cl.
CPC ...
H05B 45/37 (2020.01); H05B 45/10 (2020.01); H05B 45/50 (2020.01);
Abstract
Method and device for PWM dimming of an LED lamp. The LED lamp comprises one or more LEDs and an LED lamp driver for operating the LEDs. The method comprises: generating a PWM signal; and supplying the PWM signal to the LED lamp driver; wherein the PWM signal comprises a mixture of two or more different frequencies.