US PATENT SUBCLASS 333 / 156
.~ Delay lines including long line elements

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

24 R  DF  COUPLING NETWORKS {15}
156.~ Delay lines including long line elements {5}
157  DF  .~.~> Waveguide {2}
160  DF  .~.~> Coaxial line
161  DF  .~.~> Planar line structure (e.g., stripline)
162  DF  .~.~> Helical line structures and lines developed from a helical structure {1}
164  DF  .~.~> Control of delay with semiconductive means

DEFINITION

Classification: 333/156

Delay lines including long line elements:

(under subclass 24) Subject matter having distributed parameters and including significant structure for retarding wave energy a predetermined period of time over a range of frequencies and systems within the class definition which include such networks.

(1) Note. The time period may be constant over the range of frequencies or proportional to the frequency (e.g., the time of delay may be greater for the higher frequency).

SEE OR SEARCH THIS CLASS, SUBCLASS:

138, for delay structures wherein the wave energy to be retarded propagates along line elements which include both distributed and lumped elements.

202+, for wave filters including long line elements.

236+, for long lines.

245+, for long line elements and components. SEE OR SEARCH CLASS

343, Communications: Radio Waves Antennas,

778, for plural waveguide-type antennas with phasing.