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:
Mar. 09, 2004
Filed:
Feb. 25, 2002
Applicant:
Inventor:
James C. Johnson, Conyers, GA (US);
Assignee:
Cooper Technologies Company, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H05B 4/116 ; G05F 1/00 ;
U.S. Cl.
CPC ...
H05B 4/116 ; G05F 1/00 ;
Abstract
A lighting system includes a primary lamp circuit, an auxiliary lamp circuit, and an auxiliary controller. The auxiliary controller is connected between the primary lamp circuit and the auxiliary lamp circuit and is operable to sense a primary lamp circuit voltage. The auxiliary controller extinguishes an auxiliary lamp when the primary lamp circuit voltage exceeds a threshold voltage.