Sewing machine control device

Details Sewing machine control device Sewing machine control device

1986-11-20

1988-04-19

Nerbun, Peter

Sewing

Elements

Starting or stopping

D05B 6918

Patent

active

047382112

ABSTRACT:
A sewing machine controller in which initially a rotation transfer ratio is calculated from the number of rotations of a motor and the detected number of rotations of the sewing machine shaft. Thereafter, the number of motor rotations is calculated as the product of the rotation transfer ratio and the desired number of rotations of the sewing machine.

REFERENCES:
patent: 4080914 (1978-03-01), Ishida et al.
patent: 4183312 (1980-01-01), Angersbach et al.
Dohi et al., "Device for Driving a Sewing Machine", WO85/03958, 9-1985.

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