Digital drive unit regulator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 15, 1983
Grant Date -
N/A
app pub date -
Dec 9, 1980
filing date -
Jan 9, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A means to change the position of a drive unit in accordance with desired changes periodically provided as a digital value and entered in a first register, which is then decremented to zero by counting actual increments of drive unit change. Power to change the drive unit is proportional to the residual value in this register, with no power when actual change has equalled desired change. The count of actual change increments is determined from clock pulses updating a second register representing position whenever the analog equivalent of this register differs from an analog signal representing actual position.
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Cited Art Landscape
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