US PATENT SUBCLASS 112 / 456
.~.~.~.~ Including means to calculate needle or material feed parameters

Current as of: June, 1999
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154  DF  STITCH FORMING {17}
157  DF  .~ Zigzag {3}
443  DF  .~.~ Vibrating needle {9}
453  DF  .~.~.~ Having electronic memory {5}
456.~.~.~.~ Including means to calculate needle or material feed parameters

DEFINITION

Classification: 112/456

Including means to calculate needle or material feed parameters:

(under subclass 453) Device including means to algebraically manipulate selected variables or constants and to produce an output command which effects alteration of needle movement or material transport.