发明授权
US5284104A Embroidering machine including sewing machine and embroidering unit connectable to sewing machine 失效
绣花机包括缝纫机和刺绣机可连接缝纫机

Embroidering machine including sewing machine and embroidering unit
connectable to sewing machine
摘要:
An embroidering machine comprised of a common electronic sewing machine having a first controller and an embroidering unit detachably connected to the electronic sewing machine. The operating speed of a main motor of the electronic sewing machine is controlled according to a feed by which an embroidery frame holding a workpiece is moved when forming a stitch of an embroidery pattern. The embroidering unit has a second controller which generates a speed control signal relevant to the feed by which the embroidery frame is moved to form a stitch, the speed control signal is applied through a signal line and a connector to the first controller of the electronic sewing machine, and the first controller controls the operating speed of the main motor according to the speed control signal.
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