Rotating raster generator

Details Rotating raster generator Rotating raster generator

1979-02-16

1981-01-13

Smith, Jerry

Boots, shoes, and leggings

315378, 340727, 364731, G06F 3153, G06F 1520

Patent

active

042453216

ABSTRACT:
A raster generator for producing a raster-type display on a random scan dlay terminal where the raster can be oriented at any selected angle of rotation. The rotating raster generator responds to a digital input signal representing the desired angle of rotation which may represent, for example, the turning or rolling motion of a vehicle. The generator operates digitally to provide an output comprised of two sets of digital signals, each signal set representing an axis rotated in an amount directly related to the value of the input angle. The signals are presented as inputs to the deflection coils of a cathode-ray tube (CRT) or like display.

REFERENCES:
patent: 3471742 (1969-10-01), Kendall et al.
patent: 3813528 (1974-05-01), Blanding
patent: 3925765 (1975-12-01), Berwin et al.
patent: 3959582 (1976-05-01), Law et al.
patent: 4127850 (1978-11-01), Vallins

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