US PATENT SUBCLASS 708 / 404
.~.~.~.~ Fast Fourier Transform (i.e., FFT)

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

100  DF  ELECTRICAL DIGITAL CALCULATING COMPUTER {10}
200  DF  .~ Particular function performed {26}
400  DF  .~.~ Transform {4}
403  DF  .~.~.~ Fourier {6}
404.~.~.~.~ Fast Fourier Transform (i.e., FFT)

DEFINITION

Classification: 708/404

Fast Fourier Transform (i.e., FFT):

(under subclass 403) Subject matter wherein the transformation performed is a Fast Fourier Transform.

SEE OR SEARCH THIS CLASS, SUBCLASS:

405, for Discrete Fourier Transform.