US PATENT SUBCLASS 333 / 224
.~.~.~ Having movable element

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

219  DF  RESONATORS (DISTRIBUTED PARAMETER TYPE) {7}
222  DF  .~ Coaxial or shielded {1}
223  DF  .~.~ With tuning {1}
224.~.~.~ Having movable element {2}
225  DF  .~.~.~.~> Using movable shorting means
226  DF  .~.~.~.~> Using plunger, rod, or piston

DEFINITION

Classification: 333/224

Having movable element:

(under subclass 223) Subject matter wherein the frequency is adjusted by a movable element.