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:
Aug. 23, 2005
Filed:
Jul. 07, 2003
Applicants:
Marcel Johannes Maria Bucks, Eindhoven, NL;
Johannes Mathcus Theodorus Lambertus Claessens, Best, NL;
Jozef Petrus Emanuel DE Krijger, Best, NL;
Engbert Bernard Gerard Nijhof, Best, NL;
Inventors:
Marcel Johannes Maria Bucks, Eindhoven, NL;
Johannes Mathcus Theodorus Lambertus Claessens, Best, NL;
Jozef Petrus Emanuel De Krijger, Best, NL;
Engbert Bernard Gerard Nijhof, Best, NL;
Assignee:
Lumileds Lighting U.S., LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J000/00 ;
U.S. Cl.
CPC ...
Abstract
In an up-converter feed forward control of the output current is effected by rendering the conduction time of the switching element proportional to V/V. This control is fast and avoids interference and loss of efficiency.