US PATENT SUBCLASS 324 / 76.23
.~.~.~ With mixer

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

76.11  DF  MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
76.12  DF  .~ Analysis of complex waves {3}
76.19  DF  .~.~ Frequency spectrum analyzer {7}
76.23.~.~.~ With mixer

DEFINITION

Classification: 324/76.23

With mixer:

(under subclass 76.19) Subject matter including a circuit that generates output frequencies equal to the sum or difference of two input frequencies.

SEE OR SEARCH THIS CLASS, SUBCLASS:

76.43, for plural mixers used in frequency comparison for the determination of cyclic current or voltage.

SEE OR SEARCH CLASS

455, Telecommunications,

313+, for mixers, per se.