US PATENT SUBCLASS 333 / 132
.~.~ For providing frequency separation

Current as of: June, 1999
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333 /   HD   WAVE TRANSMISSION LINES AND NETWORKS

1  DF  PLURAL CHANNEL SYSTEMS {4}
100  DF  .~ Having branched circuits {6}
132.~.~ For providing frequency separation {2}
133  DF  .~.~.~> Utilizing electromechanical transducer
134  DF  .~.~.~> Utilizing long line element {1}

DEFINITION

Classification: 333/132

For providing frequency separation:

(under subclass 100) Subject matter wherein the interchange of wave energy provides a different frequency or band of frequencies in each of the two or more transmission lines or in the plural outputs.