Method and system for generating interpolation pulses

Details Method and system for generating interpolation pulses Method and system for generating interpolation pulses

1984-07-16

1986-04-08

Shaw, Gareth D.

Boots, shoes, and leggings

318571, 318573, 364723, G05B 1941

Patent

active

045816980

ABSTRACT:
A technique of determining the distribution of pulses along two perpendicular X-Y axes of a numerically controlled machine can be used for linear, circular, and parabolic interpolations and may be extended to computer graphics. At the initial point on the curve and at each succeeding point, a decision is made to increment the X axis, the Y axis, or both axes. This decision is based on a deviation index which is an index of closeness to the desired curve. Hardware is minimized and involves only additions, compares, shifts, and increments/decrements.

REFERENCES:
patent: 3763363 (1973-10-01), Saita et al.
patent: 3882304 (1975-05-01), Walters
patent: 4310878 (1982-01-01), Hyatt
patent: 4493032 (1985-01-01), Johnson

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