Optical reading apparatus

Details Optical reading apparatus Optical reading apparatus

1990-02-20

1992-06-30

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358474, 358487, H04N 104

Patent

active

051268604

ABSTRACT:
An optical reading apparatus which can read both transparent and reflective originals is disclosed. The apparatus comprises: a transparent plate for supporting on the upper face an original from which information is to be read; a light source disposed below the plate; and optical reading unit disposed below the plate and having a converter information read from the original into electric signals; and a processor for processing these signals, and further comprises: a further optical reading unit disposed above the upper face of the plate and having another converter for converting information read from the original into further electric signals; and a switch for selecting either of the electric signals and the further electric signals to be supplied to the processor.

REFERENCES:
patent: 4568984 (1986-02-01), Juergensen et al.
patent: 4816903 (1989-03-01), Utsuda et al.
patent: 4893196 (1990-01-01), Koshiyouji et al.
patent: 4989099 (1991-01-01), Koshiyouji et al.
IBM Technical Disclosure Bulletin, vol. 19, No. 4, Sep. 1976, pp. 1355-1356, J. R. Hattersley: "Signal Processor for photodiode line scanners".

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