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:
Dec. 14, 2021
Filed:
Jun. 04, 2018
Erco Gmbh, Luedenscheid, DE;
Matthias Bremerich, Lennestadt, DE;
ERCO GMBH, Luedenscheid, DE;
Abstract
The invention relates, inter alia, to a light fixture () for illuminating building surfaces () or partial surfaces of a building, comprising a housing (), at least one light source, in particular an LED () and at least one collimator optical unit () for focusing the light emitted by the light source. The particularity of the invention, inter alia, is that in the light path downstream of the collimator optical unit at least two lens plates () are provided, on both of which a plurality of lens elements () being arranged, in particular grouped, thereon, wherein the spacing () between the two lens plates is variable by an adjusting device (), and wherein the light fixture provides different light distributions () in different spacings of the lens plates.