Title:
ILLUMINATION DEVICES WITH ADJUSTABLE OPTICAL ELEMENTS
Document Type and Number:
WIPO Patent Application WO/2014/172571
Kind Code:
A3
Abstract:
Illumination devices with adjustable optical elements configured to provide a variable illumination pattern of an area are described. The adjustable optical elements of the illumination devices can be traversed relative to a surface (e.g., a ceiling of a room) to vary the light distribution and/or intensity to the surface.
Inventors:
NG ANDREW TIEN-MAN (CA)
SPEIER INGO (CA)
DAU WILSON (CA)
LERMAN LOUIS (US)
STORMBERG HANS PETER (DE)
SPEIER INGO (CA)
DAU WILSON (CA)
LERMAN LOUIS (US)
STORMBERG HANS PETER (DE)
Application Number:
PCT/US2014/034555
Publication Date:
January 08, 2015
Filing Date:
April 17, 2014
Export Citation:
Assignee:
QUARKSTAR LLC (US)
International Classes:
F21V8/00; F21S8/02; F21V14/04; F21Y101/02; F21Y103/00
Domestic Patent References:
| WO2013023008A1 | 2013-02-14 | |||
| WO2012131560A2 | 2012-10-04 | |||
| WO2013154835A1 | 2013-10-17 | |||
| WO2013066822A1 | 2013-05-10 |
Foreign References:
| US20080170398A1 | 2008-07-17 |
Attorney, Agent or Firm:
WEYDE, Markus et al. (P. O. Box 1022Minneapolis, Minnesota, US)
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