G - Physics – 03 – G
Patent
G - Physics
03
G
314/38
G03G 15/22 (2006.01) B41J 2/45 (2006.01) G03G 15/047 (2006.01)
Patent
CA 1141816
LIGHT PIPE FOR ACCURATE ERASURE OF PHOTOCONDUCTOR CHARGE Abstract of the Disclosure Erase apparatus for use in an electrophotographic copier machine where an array of light-emitting diodes (LEDs) are placed adjacent one end of a light channel with the other end adjacent a moving photo- receptive surface. The channel allows light rays to pass freely from LED to LED but contains the rays in a direction parallel to the direction of photoreceptor movement. The channel may be comprised of sides with reflective surfaces normal to the photoreceptive surface or may be a solid plastic sheet through which the rays pass. In the latter embodiment, rays are internally reflected from the surfaces of the plastic sheet. BO978013
344462
Armitage John D.
Barkley John A.
Hooker Ross B.
Walker James R.
Barrett B.p.
International Business Machines Corporation
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