US PATENT SUBCLASS 333 / 157
.~.~ Waveguide

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

24 R  DF  COUPLING NETWORKS {15}
156  DF  .~ Delay lines including long line elements {5}
157.~.~ Waveguide {2}
158  DF  .~.~.~> Including ferrite means
159  DF  .~.~.~> Having mechanically movable delay control means

DEFINITION

Classification: 333/157

Waveguide:

(under subclass 156) Subject matter wherein the structure for retarding energy propagates electrical waves having an electric or magnetic field component extending in the direction of propagation.

(1) Note. The waveguide may be a hollow dielectric or metal tube or a solid dielectric rod, the wave energy being propagated along the interior of the tube or rod and confined or bounded by the tube or rod.