Color plotting device and method

Details Color plotting device and method Color plotting device and method

1979-05-14

1981-02-10

Wintercorn, Richard A.

Photocopying

Contact printing

Light boxes

355 32, 355 40, G03B 4100

Patent

active

042498074

ABSTRACT:
A color plotter includes a photoexposure head that projects a beam of polychromatic light onto the photosensitive surface of a color film. The beam of light exposes a spot on the film surface and means are provided for moving the spot across the film surface in a controlled manner to generate a desired pattern or line. Color separation filters are mounted in the exposure head and a mechanism moves the respective filters into and out of the beam of light in accordance with a desired color in the plot. A density selector is also provided to control the degree of film exposure and the resulting color density. The color plotter is capable of producing maps, drawings and other graphic material in multiple colors on the exposed film.

REFERENCES:
patent: 3747486 (1973-07-01), Herrmann et al.
patent: 3871764 (1975-03-01), Nishizawa
patent: 3903527 (1975-09-01), Frehling
patent: 4123763 (1978-10-01), Eadie et al.

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