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:
May. 07, 1991
Filed:
Dec. 28, 1988
Applicant:
Inventor:
Joseph A Crawford, Chicago, IL (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
315106 ; 315101 ; 315107 ; 315D / ; 315187 ;
Abstract
A rapid start fluorescent system which has its starting capacitance connected to a tap on the secondary of the ballast transformer which tap is located at a predetermined number of turns of the secondary.
Quick Actions:
Crawford, Joseph. (1991). Peak voltage reducer circuit for fluorescent lamps (U.S. Patent No. 5013970). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5013970
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile