Recorders – Writers – Receiver and marker movable
Patent
1982-03-16
1983-05-17
Miller, Jr., George H.
Recorders
Writers
Receiver and marker movable
346134, G01D 1516, G01D 1524
Patent
active
043842984
ABSTRACT:
An X-Y recorder for high speed plotting on a plain web, i.e., a web without registration holes or other special means to maintain alignment of the web during plotting. Two embodiments of these plotters are disclosed with one degree of motion being achieved by moving the web and the second degree of motion being obtained by moving a pen assembly substantially perpendicularly to the movement of the web. To enhance the repeatability of the plotting on the web as it is moved back and forth, a random rough surfaced drive wheel assembly is included with that wheel surface making indentations along one surface of the driven edge of the web as it is first passed through the drive wheel assembly. Then as the web is reversed, these indentations substantially remesh with the random rough surface of the drive wheels.
REFERENCES:
patent: 3650448 (1972-03-01), Jarmy
patent: 3761950 (1973-09-01), Yeiser
patent: 4216482 (1980-08-01), Mason
LaBarre Lawrence J.
McManigill Douglass
Neukermans Armand P.
Oliver Bernard M.
Thompson Dennis C.
Hewlett -Packard Company
Jones Allston L.
Miller Jr. George H.
Stark Jon R.
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