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:
Nov. 05, 2019
Filed:
Apr. 30, 2019
Applicant:
Wei Zhao, Allen, TX (US);
Inventor:
Wei Zhao, Allen, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01); H05B 41/14 (2006.01); H05B 39/04 (2006.01); F21V 23/00 (2015.01);
U.S. Cl.
CPC ...
H05B 33/0809 (2013.01); F21V 23/003 (2013.01); H05B 37/0209 (2013.01); H05B 39/04 (2013.01); H05B 41/14 (2013.01);
Abstract
A lamp power supply realize 0 percent flicker and 0 flicker index with feedback setting the product of voltage and current of the lamp equal to the reference voltage times a constant.