Information detecting apparatus

Details Information detecting apparatus Information detecting apparatus

1979-04-27

1981-05-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250578, 358212, H01J 4014

Patent

active

042700477

ABSTRACT:
An original reading apparatus for converting information such as pictures written on an original surface into electrical signals for reading is disclosed. The apparatus includes a photoelectric sensor having a plurality of photoelectric elements for detecting light coming from the original surface, an illuminating system for illuminating the original surface uniformly through the photoelectric sensor, an image forming optical system for forming an erect equal magnification image of the original surface on the surface of the photoelectric sensor and means for moving the apparatus relative to the original surface.

REFERENCES:
patent: 4053773 (1977-10-01), Deresh et al.
patent: 4143809 (1979-03-01), Uebbing et al.

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