Machine-assisted free-hand embroidery method
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United States of America Patent
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Apr 24, 2012
Grant Date -
Oct 23, 2008
app pub date -
Apr 17, 2008
filing date -
Apr 18, 2007
priority date (Note) -
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Abstract
A method and device for free-hand embroidering on a sewing material with a sewing machine which has a memory for stitch data for a sewing pattern and a processor for reading the stitch data and for causing the sewing machine to execute stitches according to stitch data, which sewing machine has a needle and a sewing material feeder for moving the sewing material in a direction, which processor controls movements according to the direction relative to the position of the needle for the execution of stitches according to the sewing pattern, and which method includes during use of the sewing machine in a free-hand mode: storage in the memory of stitch data for at least one stitch type for free-hand embroidering, choice of a stitch type, maneuvering, via first control signals, a movement of the sewing material feeder in any desired the direction by using a hand-operated control, detection of the first control signals in the processor, calculation in the processor, from the first control signals, of the direction and/or speed of the movement, and control of the sewing material feeder by the processor, via second control signals, for the execution of stitches in the direction and/or at the speed in accordance with stitch data for the chosen stitch type.
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