Plotter paper advance control

Details Plotter paper advance control Plotter paper advance control

1989-09-21

1991-06-25

Fuller, Benjamin R.

Recorders

Record receivers and/or driving means therefor

Web

226 24, 226 29, 226 42, 400618, 346139R, G01D 1524, B65H 2318, B41J 1524

Patent

active

050271334

ABSTRACT:
A paper advance control for a progressive X,Y plotter with unidirectional paper movement senses the actual advancement of the paper and controls the drive to a take-up roll in such a way as to keep the speed of advancement constant over the major portion of its advancement. It also through the same sensor keeps informed of its actual paper position and stops the paper with accurate positioning at the end of an advancement, its stopping procedure including a pre-stop slow down of the paper speed.

REFERENCES:
patent: 3656041 (1972-04-01), Bonzano
patent: 3874791 (1975-04-01), Thieme et al.
patent: 4038666 (1977-07-01), Fuller, Jr.
patent: 4456193 (1984-06-01), Westover
patent: 4549825 (1985-10-01), Fish, III et al.
patent: 4916819 (1990-04-01), Gerber

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