Stylus recorder linearized drive system

Details Stylus recorder linearized drive system Stylus recorder linearized drive system

1982-09-30

1985-04-16

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 29, 346139R, 400 17, 400 18, G01D 1518, B41J 304

Patent

active

045119058

ABSTRACT:
In the calligraphic printing apparatus disclosed herein, a writing stylus is carried by a flexing suspension including a pair of generally orthogonal arms, each arm being driven by a respective servo system which responds to stored data representing characters to be written. The naturally arcuate path defined by each arm is substantially linearized by mixing into the drive signal for each servo system a compensating signal which is a function of the absolute value of the position signal controlling the servo system for the other arm.

REFERENCES:
patent: 3349176 (1967-10-01), Ascoli
patent: 3449754 (1969-06-01), Stutz
patent: 3564378 (1971-02-01), Engle
patent: 3940676 (1976-02-01), Dudley
patent: 4150902 (1979-04-01), Brescia
Electronics, "Electronically Controlled Typewriter Stylus Offers Wide Variety in Font Style and Size," R. T. Gallagher, Feb. 10, 1982 issue, pp. 86 and 88.

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