XY recorder

Details XY recorder XY recorder

1985-11-05

1986-12-16

Hartary, Joseph W.

Recorders

Record receivers and/or driving means therefor

Web

226 8, 226182, 242182, 346112, G01D 1528

Patent

active

046300716

ABSTRACT:
An XY recorder in which a recording paper is moved on a platen along the X axis in accordance with one variable and a stylus is moved along the Y axis in accordance with another variable, employs a controller to control the paper movement in several different modes. In a paper draw out mode, the paper is drawn out from a paper-feed roll pinched on the platen between pinch rollers and drive rollers, and during a time interval when the paper-feed roll exerts a backward tension to the paper, the paper is intermittently allowed to slip on the platen by disengaging the pinch rollers from the drive rollers. The tension to the paper backward from the paper-feed roll automatically aligns the paper.

REFERENCES:
patent: 4131224 (1978-12-01), Gerber
patent: 4216482 (1980-08-01), Mason
patent: 4477822 (1984-10-01), Luoma

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