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:
Mar. 09, 1990
Applicant:
Inventor:
Joseph S Droho, Chicago, IL (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315289 ; 315290 ; 3152 / ; 315244 ; 315240 ;
Abstract
An ignitor or starting circuit for a high pressure arc discharge lamp including a voltage sensitive bidirectional switch and an impedance with a resistor and inductor in series circuit. An additional capacitor is connected in parallel across the voltage sensitive switch and the resistor.
Droho, Joseph. (1991). Ignitor for high pressure arc discharge lamps (U.S. Patent No. 5013977). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5013977
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile