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:
Oct. 25, 2011
Filed:
Jun. 05, 2007
Alois Biebl, St. Johann, DE;
Günther Hirschmann, München, DE;
Alois Biebl, St. Johann, DE;
Günther Hirschmann, München, DE;
OSRAM AG, Munich, DE;
Abstract
The invention relates to a circuit unit for a semiconductor unit which produces radiation, with a forward voltage Ubeing applied during operation to the semiconductor unit which produces radiation, and with a forward current Iflowing through the semiconductor unit which produces radiation, with the circuit unit regulating the forward current Isuch that an actual value Vwhich depends on the forward current Iand the forward voltage Uassumes a predetermined nominal value V. The invention also relates to a radiation source.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile