Scanning apparatus with a mechanism to scan both sides of an ori

Details Scanning apparatus with a mechanism to scan both sides of an ori Scanning apparatus with a mechanism to scan both sides of an ori

1988-12-08

1990-03-13

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358401, 358448, 358496, 358497, 358498, H04N 104, H04N 110, H04N 112

Patent

active

049087193

ABSTRACT:
An original table is provided on which an original is placed. This original on the original table is scanned by a first optical unit. A conveyance path, constituting an auto document feeder, is provided near the table, and one side of the original moving on the conveyance path is scanned by the first optical unit and the other side of the original is scanned by a second optical unit disposed near the first optical unit. The scanned output of the first optical unit is stored in a memory which can delay its content by a time corresponding to the distance between the first and second optical units. The signal stored in this memory and the scanned output of the second optical unit are sequentially outputted.

REFERENCES:
patent: 4429333 (1984-01-01), Davis
patent: 4499500 (1985-02-01), Nagashima
patent: 4571636 (1986-02-01), Itoh
patent: 4657376 (1987-04-01), Ide
patent: 4743974 (1988-05-01), Lockwood
patent: 4839740 (1989-06-01), Yoshida

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