US PATENT SUBCLASS 327 / 357
.~.~.~ Quadrant

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

334  DF  SPECIFIC INPUT TO OUTPUT FUNCTION {9}
355  DF  .~ Combining of plural signals {3}
356  DF  .~.~ Product {3}
357.~.~.~ Quadrant

DEFINITION

Classification: 327/357

Quadrant:

(under subclass 356) Subject matter wherein the output signal represents an analog multiplication performed on input signals having positive or negative polarities.