US PATENT SUBCLASS 708 / 821
.~.~.~ Fourier

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}
820  DF  .~.~ Transform {1}
821.~.~.~ Fourier

DEFINITION

Classification: 708/821

Fourier:

(under subclass 820) Subject matter wherein the transformation is from the time or space domain to the frequency domain or the converse.

SEE OR SEARCH THIS CLASS, SUBCLASS:

403+, for Fourier transform by digital calculating computer.