US PATENT SUBCLASS 333 / 253
.~.~ Including variable impedance

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

245  DF  LONG LINE ELEMENTS AND COMPONENTS {5}
248  DF  .~ Waveguide elements and components {7}
253.~.~ Including variable impedance

DEFINITION

Classification: 333/253

Including variable impedance:

(under subclass 248) Subject matter wherein structure is provided in the waveguide to adjust the impedance (normally the reactive portion) of the line at selected terminal planes.

(1) Note. Movable shorting stubs and movable irises are classified here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33+, for impedance matching between networks.