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:
Feb. 22, 2005
Filed:
Aug. 14, 2002
Applicant:
Katharina Keller, Lindau, DE;
Inventor:
Katharina Keller, Lindau, DE;
Assignee:
Zumtobel Staff GmbH, Dornbirn, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V007/00 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a luminaire having a light source () which has at least one light emitting semiconductor, and having a, as seen from the light source (), concave reflector (), the light source () being arranged in substance in the longitudinal axis of the reflector (). In accordance with the invention, the light source () is of a plurality of luminous diodes () arranged on a carrier surface () and controllable, the ratio between the carrier surface () and the opening of the reflector () being between 1:3 and 1:20.