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Embroidery data processing apparatus and process of producing an embroidery product

  • US 5,592,891 A
  • Filed: 04/17/1996
  • Issued: 01/14/1997
  • Est. Priority Date: 04/28/1995
  • Status: Expired due to Term
First Claim
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1. An apparatus for processing embroidery data needed to control a sewing machine to form an embroidery pattern on a work sheet, the apparatus comprising:

  • an outline-data memory which stores original-outline data representing at least one original outline of an original embroidery pattern, said original outline including a plurality of segments;

    a reference-vector memory which stores data indicative of a reference vector specifying a reference direction and a reference length; and

    shadow-pattern embroidery-data producing means for producing, based on said original-outline data and said reference vector, shadow-pattern embroidery data needed to control the sewing machine to form stitches of at least one shadow embroidery pattern which is contiguous with the original embroidery pattern and whose outline is defined by at least one of said segments of said original outline and at least one of two straight width-defining segments which extend in said reference direction from opposite two ends of said one segment, respectively, and each of which has said reference length defining a width of the shadow embroidery pattern in said reference direction.

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