Copying machine

Details Copying machine Copying machine

1981-12-10

1984-05-15

Martin, John C.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358286, 358287, 358288, 358293, 358303, 346 76PH, H04N 122

Patent

active

044491522

ABSTRACT:
A copying machine includes an optical sensor of the line scanning type for converting an image into electrical signals, and a thermal recording head controlled in accordance with the image signals. The platen moves with respect to the read unit and the read unit will read in both forward and reverse directions of the platen, and the magnification value can be varied. The total width of energized heating elements and the movement length and speed of the platen may be controlled in accordance with the size of the original. The total number of heating elements energized at any one time is limited, and the machine includes input and output terminals for sending image information externally and for receiving and recording image information other than directly from the read unit.

REFERENCES:
patent: 2776336 (1957-01-01), Clauer
patent: 3955045 (1976-05-01), Ford, Jr.
patent: 4240117 (1980-12-01), Wellendorf et al.
patent: 4303936 (1981-12-01), Shaw
patent: 4329021 (1982-05-01), Applegate et al.

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