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. 22, 2011
Filed:
Oct. 24, 2005
Dolf Henricus Jozef Van Casteren, Eindhoven, NL;
Robertus Leonardus Tousain, Eindhoven, NL;
Dolf Henricus Jozef Van Casteren, Eindhoven, NL;
Robertus Leonardus Tousain, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A circuit arrangement and a method for operating a high intensity discharge lamp driver, which assure long-lasting stable operation of a high intensity discharge lamp regardless of the type or the age of the lamp. This is achieved by the determination of a correctional setpoint signal for a given time period based on the a difference signal between a principal setpoint signal and the actual output current signal for a given time period. The principal setpoint signal is then adjusted by the determined correctional setpoint signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile