Electronic sewing machine with position control loop of digital type

Abstract From the Canadian patent

Abstract of the Disclosure, The invention concerns an electronic sewing machine comprising a needle bar device adapted to provide transverse displacements of said needle relative to the direction of feed of the cloth in said sewing machine a, transport device adapted to provide cyclic displacements of said cloth for said feed, actuating means for regulating a transverse displacement of said needle bar device and a displacement of said transport device in response to control signals, first means generating position control signals for said actuator means, said first means being operatively connected to at least one of said actuator means via a position control circuit generating said control …