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:
Jun. 17, 2014
Filed:
Jan. 19, 2012
Applicants:
Timothy Chen, Aurora, OH (US);
James K Skully, Willoughby, OH (US);
Inventors:
Timothy Chen, Aurora, OH (US);
James K Skully, Willoughby, OH (US);
Assignee:
Technical Consumer Products, Inc., Aurora, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 41/14 (2006.01);
U.S. Cl.
CPC ...
H05B 41/14 (2013.01);
Abstract
An electronic ballast has a rectifying circuit for rectifying an input voltage controlled by a phase dimmer. The electronic ballast has an averaging circuit for averaging current received from the rectifying circuit to produce a reference voltage. The electronic ballast has a control integrated circuit for providing an output current to a compact fluorescent lamp by performing a linear to logarithmic conversion of the reference current, according to a predefined conversion function.