Original reading apparatus with light source switching without a

Details Original reading apparatus with light source switching without a Original reading apparatus with light source switching without a

1986-10-16

1989-03-14

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 41, 355 37, H04N 146

Patent

active

048129003

ABSTRACT:
An original reading apparatus includes: a line sensor having first and second sensor arrays each composed of a plurality of light receiving elements; a first optical filter disposed on the light incident side of the first sensor array; a second optical filter disposed on the light incident side of the second sensor array, the second optical filter being complementary in color to the first optical filter; a first light source which turns on and off during one line scan of an original; a second light source which is continually turned on until an original scanning is completed.

REFERENCES:
patent: 4264921 (1981-04-01), Pennington et al.
patent: 4318122 (1982-03-01), White
patent: 4642679 (1987-02-01), Nagano
patent: 4658289 (1987-04-01), Nagano et al.
patent: 4670779 (1987-06-01), Nagano

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