Electronic control circuits for a sewing machine

Details Electronic control circuits for a sewing machine Electronic control circuits for a sewing machine

G - Physics

05

B

342/22, 342/6.11

G05B 19/04 (2006.01) G05B 19/045 (2006.01) G05B 19/10 (2006.01)

Patent

CA 1066386

ABSTRACT OF THE DISCLOSURE The present invention relates to a control unit for a pattern sewing machine including a mechanism for mechanically positioning stitch-forming members and a memory unit for controlling such mechanism, from which stitch position determin- ing code words belonging to a specific pattern, can be selected by an operator, comprising: a shift register having cells connected to output lines from said memory, for reading said code words into said shift register cells and shifting said code words in relation to the movement of the main shaft of the sewing machine so that for each stitch, code words belonging thereto are output to said positioning mechanism from said shift register.

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