US PATENT SUBCLASS 333 / 111
.~.~.~ For providing adjustable coupling

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}
109  DF  .~.~ Using directional coupler {6}
111.~.~.~ For providing adjustable coupling

DEFINITION

Classification: 333/111

For providing adjustable coupling:

(under subclass 109) Subject matter wherein the amount of electromagnetic energy transferred between the first and second transmission lines can be changed to provided a different coupling ratio.