Internal drum plotter

Details Internal drum plotter Internal drum plotter

1987-09-29

1989-08-01

Goldberg, E. A.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346160, 350 65, 350 69, G01D 942, G02B 2608

Patent

active

048537098

ABSTRACT:
An internal drum plotter including a laser source producing a laser beam output, apparatus for modulating the laser beam output to apply information content thereto, apparatus for supporting laser recording material in a generally circular cylindrical configuration about a cylinder axis and scanning apparatus for receiving the modulated laser beam and reflecting it onto the laser recording material, the scanning apparatus including a stabilized reflector arranged for rotation about the cylinder axis for reflecting the modulated laser beam directly onto the laser recording material, wherein the stabilized reflector is insensitive to wobble in the position thereof in directions perpendicular to the cylinder axis.

REFERENCES:
patent: 4475787 (1984-10-01), Starkweather
patent: 4684228 (1987-08-01), Holthusen
patent: 4780730 (1988-10-01), Dodge
Computer Technology Review, Summer 1984, pp. 199-203.
Manufactures Catalog, FIRE 900, Macdonald Dettwiler & Associates, Ltd., Richmond, British Colombia, Canada.

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