External memory for electronically controlled sewing machine

Details External memory for electronically controlled sewing machine External memory for electronically controlled sewing machine

1992-05-21

1994-04-05

Nerbun, Peter

Sewing

Stitch forming

Zigzag

11212112, 112457, 341 67, D05B 302

Patent

active

052995194

ABSTRACT:
In a sewing machine, a needle and a work fabric are relatively moved in X and Y directions according to driving data indicative of a needle location. An external ROM, which functions as an external memory, preliminarily stores compressed stitch data or compressed display data, and also preliminarily stores a program for converting the compressed stitch data into the driving data indicative of the needle location or a program for converting the compressed display data into dot pattern data. The manner of compression of the stitch data and the display data is not limited, thereby improving the flexibility of the external memory.

REFERENCES:
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patent: 5153591 (1992-10-01), Clark
The Winn L. Rosch Hardware Bible, Rosch, Winn L.; Brady Publishing: NY, 1992, pp. 247-250.

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