Device for control of the frame movements of automatic sewing ma

Details Device for control of the frame movements of automatic sewing ma Device for control of the frame movements of automatic sewing ma

1978-11-24

1981-03-31

Nerbun, Peter P.

Sewing

Special machines

Darning

D05B 2100

Patent

active

042586364

ABSTRACT:
A device for control of the frame movements of embroidery or sewing automatic machines, by which the movements of the frame in the x and y direction are carried out by servomotors. The path information for displacement of the frame in the x and y direction are emitted by a microprocessor control, the latter comprising a central processing unit and a working random access memory, from which memory the path information is recalled on time in dependency on the program of a programmable read only memory and via the central processing unit with the intermediate connection of an input-output port being retransmitted to digital analog converters. The converters are connected with direct current motors of the frame via power units, the latter operating as amplifiers.

REFERENCES:
patent: 4050393 (1977-09-01), Welcher et al.
patent: 4073247 (1978-02-01), Cunningham et al.
patent: 4135459 (1979-01-01), Manabe et al.
patent: 4160422 (1979-07-01), Barber et al.
BASF, "Floppy Disc Drive," 4-77, pp. 1-34.

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