US PATENT SUBCLASS 708 / 271
.~.~.~ Direct digital frequency synthesizer

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}
270  DF  .~.~ Function generation {7}
271.~.~.~ Direct digital frequency synthesizer

DEFINITION

Classification: 708/271

Direct digital frequency synthesizer:

(under subclass 270) Subject matter wherein the generation is performed by a digital frequency source capable of producing a multitude of output frequencies from the desired frequency of the waveform.

SEE OR SEARCH CLASS

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

105+, for a synthesizer converting, shaping, or generating a nonlinear signal.