Method of and apparatus for focusing a light flux
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United States of America Patent
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Nov 21, 2000
Grant Date -
N/A
app pub date -
Oct 1, 1999
filing date -
Nov 7, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for focusing a light flux, includes a light source, and a light-conducting system which guides light radiating from the light source along a first light-conducting passageway oriented in a direction of the path of light, and along a second light-conducting passageway extending at an angle to the first light-conducting passageway. The light conducting system includes a first optical lens which is positioned at an entry side into the first light-conducting passageway, a deflector which is positioned at an exit side of the first light-conducting passageway for deflecting visible light into the second light-conducting passageway, and an optical assembly which is disposed in the second light-conducting passageway. The optical assembly is formed by an dimming disk, adjustable with respect to the second light-conducting passageway, for selective control of light intensity of the visible radiation, and a second optical lens for focusing the deflected radiation.
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