Airlock comprising a lighting device
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United States of America Patent
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Jul 21, 2015
Grant Date -
Nov 28, 2013
app pub date -
Nov 28, 2011
filing date -
Dec 3, 2010
priority date (Note) -
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Abstract
A security gate has two walls defining between them a passage through which an individual passes, for each wall, a transparent lighting window extending over at least part of the wall, for at least one of the edges of the lighting window, a light source intended to light the edge and to generate light beams that propagate through the thickness of the lighting window, and for each lighting window, at least one extraction zone provided on the lighting window and intended to transmit the light beams towards the face of the individual passing through the passage, the light beams thus transmitted forming, with respect to the plane of the lighting window from which they emanate, an angle adapted to the geometry of the security gate so as to optimize the lighting of the individual.
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