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:
Sep. 16, 1986
Filed:
Jul. 20, 1984
Applicant:
Inventor:
Zoltan Zansky, Willowdale, CA;
Assignee:
Honeywell Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F / ; H05B / ; H05B / ; H05B / ;
U.S. Cl.
CPC ...
315194 ; 315D / ; 315198 ; 315205 ;
Abstract
A dimming system for fluorescent lamps is disclosed which includes a first switching means connected to said source terminals and to said load terminals for controlling the supply of power to said load terminals, a switch control connected to switching means for modulating said load terminals to modulate the sinusoidal power on a time ratio variable basis in order to supply a variable amount of power to said load terminals; and an inverting reducing transformer connected to said source terminals between said source terminals and a second switch means.