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:
May. 16, 2023
Filed:
Jan. 10, 2022
Applicants:
Osram Gmbh, Munich, DE;
Clay Paky S.p.a., Seriate, IT;
Inventors:
Assignee:
CLAY PAKY S.P.A., Seriate, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 5/04 (2006.01); F21V 14/02 (2006.01); F21V 14/06 (2006.01); F21V 5/00 (2018.01); F21W 131/406 (2006.01);
U.S. Cl.
CPC ...
F21V 5/04 (2013.01); F21V 5/008 (2013.01); F21V 14/02 (2013.01); F21V 14/06 (2013.01); F21W 2131/406 (2013.01);
Abstract
A lighting device includes a light source configured to emit a light beam through an afocal projection optics along a propagation path of the light beam from a negative lens to a positive lens. The lighting device includes a further negative lens interposed and mobile along the propagation path of the light beam from the negative lens to the positive lens. The lighting device also includes an optical element interposed in the propagation path of the light beam between the negative lens and the further negative lens. The optical element includes a cylindrical lens, a prism or an axicon.