US PATENT SUBCLASS 333 / 35
.~.~.~ Quarter-wave transformer type

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

24 R  DF  COUPLING NETWORKS {15}
32  DF  .~ With impedance matching {1}
33  DF  .~.~ Having long line elements {2}
35.~.~.~ Quarter-wave transformer type

DEFINITION

Classification: 333/35

(under subclass 33) Impedance matching networks and systems wherein the component having distributed electrical parameters lies along the path of wave propagation through the network and is an odd integral number of quarter-wave lengths long.

SEE OR SEARCH CLASS

343, Communications: Radio Wave,

864, for antennas with an impedance matching coupling network including a long line element of the quarter-wave transformer type.