Illumination – Light source and modifier – Including reflector
Patent
1991-11-25
1993-06-01
Cole, Richard R.
Illumination
Light source and modifier
Including reflector
362290, 362298, 362301, F21V 700
Patent
active
052153703
ABSTRACT:
A linear light source for a film scanner is disclosed which includes an elongated light integrating cavity having diffusely reflective walls. Light is introduced into the cavity through an input port, and an output beam of diffuse illumination is produced through a slot which is generally parallel to the longitudinal axis of the integrating cavity. In order to provide a light source which can produce a beam of a desired angular distribution, plates are positioned adjacent the exit slot of the cavity to form channels through which the light exits.
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U.S. Ser. No. 07/559,481 entitled "Film Scanner", Clyde L. Fetterman & Marcello D. Fiscella, filed Jul. 27, 1990.
Cole Richard R.
Eastman Kodak Company
Woods David M.
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