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. 27, 1979
Filed:
Nov. 11, 1977
Applicant:
Inventors:
Carlo S Bessone, Cambridge, MA (US);
William J Roche, Merrimac, MA (US);
Assignee:
GTE Sylvania Incorporated, Danvers, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ; H05B / ;
U.S. Cl.
CPC ...
3152 / ; 315D / ; 315240 ;
Abstract
A power reducer for a rapid start fluorescent lamp includes a time delay circuit that discontinues heater current to the lamp cathode after a predetermined time interval and places, at the same time, a current-reducing capacitor in series with the lamp.