Speed control device for stepping motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 15, 1986
Grant Date -
N/A
app pub date -
Jan 30, 1984
filing date -
Feb 23, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A speed control device for stepping motor is disclosed which is possible to freely control the running speed of the stepping motor when driving it in closed loop. Its mechanism is designed to be possible to decide which excitation phase to be excited according to a phase difference between the output signals emitted from the encoder and the speed-variable reference clock signals and to make the running speed of stepping motor follow to the instruction of said reference clock signals.
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