Electronic control system for sewing machines

Details Electronic control system for sewing machines Electronic control system for sewing machines

1979-07-06

1981-08-11

Nerbun, Peter P.

Sewing

Work manipulating

Guides

D05B 302

Patent

active

042828210

ABSTRACT:
A first memory stores stitch control signals. A second memory stores these signals temporarily and reads them out to enable stitches to be formed. As a pattern is stitched, the first memory is readdressed and stitch control signals are successively written into and read out of the second memory. In one embodiment, the second memory is a RAM--in a second embodiment, the second memory is a shift register. Monostable multivibrators are used to operate the memories.

REFERENCES:
patent: 4141305 (1979-02-01), Takenoya et al.
patent: 4145982 (1979-03-01), Kume et al.

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