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. 24, 1981
Filed:
May. 09, 1979
Jacob F Michael, Paramus, NJ (US);
Westinghouse Electric Corp., Pittsburgh, PA (US);
Abstract
A metal halide high-intensity discharge lamp for connection to a constant wattage-type ballast including a transformer with a secondary having a capacitor connected in series circuit arrangement therewith. The lamp includes starting aid means including a voltage doubler comprising a diode and two resistors operating in conjunction with the ballast capacitor. The starting aid means further comprises a normally closed heat-responsive switch means operative to prevent voltage stress on the diode after the lamp starts.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile