Two-sided document scanning apparatus

Details Two-sided document scanning apparatus Two-sided document scanning apparatus

1989-10-20

1990-08-14

Groody, James J.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358482, 358496, 355 23, H04N 104

Patent

active

049491890

ABSTRACT:
A two-sided scanning apparatus for reading images which exist on both sides of a document to be read and supplying the read image data to a printer unit which prints front and back side images side-by-side. The apparatus comprises a first line sensor and a second line sensor for reading line by line images on the document to be read. Electrical signals representing the images on one line of the document read by scanning, which are outputted respectively from the first and second line sensors, are stored in sequence as serial data in a two-dimensional image memory of a printer unit.

REFERENCES:
patent: 4475128 (1984-10-01), Koumura
patent: 4571636 (1986-02-01), Itoh
patent: 4743974 (1988-05-01), Lockwood

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