Digital position encoder and data optimizer
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United States of America Patent
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Jun 30, 1992
Grant Date -
N/A
app pub date -
Nov 8, 1989
filing date -
Nov 8, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A digitizing system for automatically recording data points representative of, for example, sheet metal templates having varying shapes is disclosed. A stylus connected to a tracing arm is guided along the edge of a template. As the arm moves, digital scales generate a stream of encoded electrical pulses which yield direction and distance information. These pulses are then decoded, counted, and stored. If the operator has selected the automatic digitize mode, a data point is automatically stored each time the stylus moves a predetermined distance in the X, Y, or Z direction. The present invention also provides an improved method of optimizing or compressing the stored set of data points.
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