Fiber optic bundle lighting units providing focused illumination
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United States of America Patent
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Nov 15, 2005
Grant Date -
Oct 16, 2003
app pub date -
Apr 15, 2003
filing date -
Apr 16, 2002
priority date (Note) -
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Abstract
An efficient lighting unit with improvements in ease of moving its head, reliability and the like is provided. The lighting unit includes: heads 6A and 6B defining illuminating apertures 6Aa and 6Ba, respectively, for directing light to an object W to be illuminated, the heads 6A and 6B being supported by a movable support member 1; LED light source devices 5A and 5B mounted at the movable support member 1 for emitting light when supplied with electric power from an electric power source 3 disposed separately from the movable support member 1 through an electric cable 4; and flexible optical fibers 7A and 7B for guiding light from the LED light source devices 5A and 5B to the respective illuminating apertures 6Aa and 6Ba of the heads 6A and 6B.
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