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:
Jul. 07, 1981
Filed:
Aug. 28, 1978
Applicant:
Inventor:
Robert V Burke, Ft. Wayne, IN (US);
Assignee:
Litton Systems, Inc., Beverly Hills, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
315 98 ; 315D / ; 315D / ; 315201 ; 315205 ; 315307 ; 315101 ; 331114 ;
Abstract
A novel transistorized fluorescent lamp ballast and lamp combination operates from AC line voltage. The ballast provides for 'soft-start' lamp operation in one featured aspect and provides for some lamp light output regulation in another featured aspect thereof.