Embroidery data preparing apparatus

Details Embroidery data preparing apparatus Embroidery data preparing apparatus

1990-10-15

1993-02-23

Ruggiero, Joseph

Boots, shoes, and leggings

11212112, 112454, G06F 1546, D05B 2100

Patent

active

051896222

ABSTRACT:
An apparatus for preparing stitch position-related data utilized by an embroidery sewing machine for embroidering a predetermined area, including a dividing device specifying a plurality of base positions on an outline of the area which define a polygon approximating the area, and dividing the area and polygon into sub-areas and sub-polygons, respectively, each of the sub-areas being approximated by a corresponding one of the sub-polygons, a data producing device producing the stitch position-related data based on the sub-areas, a checking device judging, if the dividing device produces a triangle-like sub-area approximated by a triangle, whether or not the triangle-like sub-area is an appropriate sub-area to be utilized by the data producing device for producing the stitch position-related data, and a modifying device modifying, if a negative, judgment is made by the checking device, the triangle-like sub-area to a quadrangle-like sub-area approximated by a quadrangle, by determining a special position on the outline of the area, the quadrangle being defined by the special position and the three base positions defining the triangle approximating the triangle-like sub-area, the data producing device utilizing the quadrangle-like sub-area in place of the triangle-like sub-area for producing the stitch position-related data.

REFERENCES:
patent: 4413574 (1983-11-01), Hirota et al.
patent: 4674420 (1987-06-01), Mizuno et al.
patent: 4849902 (1989-07-01), Yokoe et al.
patent: 4991524 (1991-02-01), Ozaki

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