Copier with accurately position-controllable sub-scanning unit

Details Copier with accurately position-controllable sub-scanning unit Copier with accurately position-controllable sub-scanning unit

1987-09-11

1989-08-29

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358474, 358486, H04N 104

Patent

active

048622842

ABSTRACT:
A copier comprises an original table for placing thereon an original sheet, a sub-scanning unit including an image reading sensor for reading an image on the original sheet and for scanning the original sheet on the original table, a printing unit which prints the image read by the image reading sensor on a printing sheet, and a control unit which controls the operation of the sub-scanning unit by selectively using a position profile control and a speed profile control. The operation start position and operation starting timing control of the sub-scanning unit using the position profile control permits high-speed continuous repetitive copying and high-accuracy enlargement, reduction, and transfer copying.

REFERENCES:
patent: 4204725 (1987-05-01), DiStefano et al.
patent: 4271436 (1987-06-01), Kurose et al.
patent: 4635129 (1987-01-01), Miyagi
patent: 4687944 (1987-08-01), Mitsuka et al.
patent: 4701805 (1987-10-01), Maeshima

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