Portable Lamp Fitted with Electric Control of the Geometry of the Beam
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United States of America Patent
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May 16, 2016
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Feb 14, 2014
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Abstract
The invention relates to a portable electric lamp with a light source generating at least one light beam; and a pane of glass arranged in front of the light source. The pane of glass has an electro-optical diffusion device controlled by an electrical signal in order to generate electrically adjustable diffusion. This diffusion generates a light beam with variable geometry from the single narrow beam. This results in headlamps with improved control of the geometry of its lightbeams.
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