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:
Jan. 23, 2001
Filed:
Nov. 22, 1999
Applicant:
Inventors:
Ronald J. Bezdon, Schaumburg, IL (US);
Ming Liang Wu, Schaumburg, IL (US);
Donald G. Huvaere, Jr., Palatine, IL (US);
Peter W. Shackle, Arlington Heights, IL (US);
Assignee:
Energy Savings, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05F 1/00 ;
U.S. Cl.
CPC ...
H05F 1/00 ;
Abstract
A microprocessor controlled ballast includes a single front end and a plurality of inverters separately controlled by a single microprocessor. Lamps are operated in groups according to separate line inputs to the ballast. Total power is reduced to fifty percent or less if a line input is off.