Image reading apparatus with an area-type beam splitter

Details Image reading apparatus with an area-type beam splitter Image reading apparatus with an area-type beam splitter

1981-07-13

1987-03-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250578, 250204, H01J 314

Patent

active

046509887

ABSTRACT:
An area-type beam splitter is disposed across the optical path of an imaging optical system. Photodetector arrays are located across the optical path portions divided by the beam splitter. The photodetector arrays in the respective optical path portions are arranged in different positions from one another in such a manner that images different from one another in imaging performance will be read by the respective photodetector arrays.

REFERENCES:
patent: 4349254 (1982-09-01), Jyojiki et al.
patent: 4352545 (1982-10-01), Uno et al.

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