Sewing machine motor control device

Details Sewing machine motor control device Sewing machine motor control device

1988-10-13

1990-07-03

Nerbun, Peter

Sewing

Elements

Starting or stopping

D05B 6926

Patent

active

049381601

ABSTRACT:
An electric motor of a sewing machine may be stopped naturally at an objective position by amending the amount of the motor's running errors as overrun or underrun with respect to the stop objective position without employing an especially forceful stopping circuit in spite of dispersions in a load inertia caused by mass-production of sewing machines or variances in loads during driving of the sewing machine.

REFERENCES:
patent: 4732099 (1988-03-01), Neki et al.
patent: 4791344 (1988-12-01), Yoshida et al.

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