Plotter with adaptive velocity means for improving plotted line

Details Plotter with adaptive velocity means for improving plotted line Plotter with adaptive velocity means for improving plotted line

1977-01-04

1977-12-13

Botz, Eugene G.

Boots, shoes, and leggings

346 29, 318571, 364300, 364113, 364520, G06F 1546, G05B 1918

Patent

active

040626482

ABSTRACT:
A plotter system is provided having an adaptive velocity means for improving plotted line quality by selectively varying the velocity of the plot head to produce smooth, substantially continuous motions of the plot head between data points, in accordance with changes in the data input rate or changes in the distance between data points. This reduces the time that the plot head remains stationary during plotting, thereby reducing excess deposits such as ink pools that may be applied to a portion of a surface when the plot head becomes stationary waiting for data. The system includes a motor unit, a plot head with a pen, and an adaptive velocity means comprising a random access memory (RAM) unit for storing data values to be plotted, a processor unit, and a read only memory (ROM) unit having a stored routine. The plot head is driven by the motor unit under control of the processor operating in accordance with the stored routine and control and data values stored in the RAM.

REFERENCES:
patent: 3893616 (1975-07-01), Trousdale
patent: 4021650 (1977-05-01), Ruble

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