US PATENT SUBCLASS 708 / 822
.~.~ Differentiation

Current as of: June, 1999
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708 /   HD   ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING

800  DF  ELECTRICAL ANALOG CALCULATING COMPUTER {1}
801  DF  .~ Particular function performed {15}
822.~.~ Differentiation

DEFINITION

Classification: 708/822

Differentiation:

(under subclass 801) Subject matter wherein the function performed is differentiation of at least one of a plurality of input signals.

SEE OR SEARCH THIS CLASS, SUBCLASS:

443, for differentiation by a digital computer.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

335, for a miscellaneous circuit providing the derivative of an input signal without computation.