Image sensing head for document scanning

Details Image sensing head for document scanning Image sensing head for document scanning

1985-01-28

1987-03-03

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250216, 250239, 235454, 235473, 355 1, H01J 516, G06K 714, G06K 708, G11B 512

Patent

active

046477683

ABSTRACT:
An image sensing head including a block, a multiplicity of light emitting optical fibers, a multiplicity of light receiving optical fibers, a multiplicity of light emitting elements connected to the light emitting optical fibers and a multiplicity of light receiving elements connected to the light receiving optical fibers. A thin sheet formed with an opening in a portion thereof which faces the sensing end portions of the light emitting and light receiving optical fibers is attached to one side of the image sensing head, so that a predetermined clearance can be maintained between the sensing side end portions of the light emitting and light receiving optical fibers and a document surface to be sensed by the image sensing head.

REFERENCES:
patent: 4052594 (1977-10-01), Davis
patent: 4359636 (1982-11-01), Stauffer

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