US PATENT SUBCLASS 333 / 239
.~ Waveguide type


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

236  DF  LONG LINES {4}
239.~ Waveguide type {3}
240  DF  .~.~> Surface wave
241  DF  .~.~> Flexible
242  DF  .~.~> Circular or helical structure


DEFINITION

Classification: 333/239

Waveguide type:

(under subclass 236) Subject matter particularly adapted for propagating electric 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 solid dielectric rod, the wave energy being propagated along the interior of the tube or rod and confined by the walls of the tube or rod.