US PATENT SUBCLASS 333 / 142
.~.~ Multipath propagation

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

24 R  DF  COUPLING NETWORKS {15}
141  DF  .~ Delay lines including elastic bulk wave propagation means {7}
142.~.~ Multipath propagation {1}
143  DF  .~.~.~> Spurious signal reduction

DEFINITION

Classification: 333/142

Multipath propagation:

(under subclass 141) Subject matter wherein the initial direction of mechanical wave energy is changed.

(1) Note. This subclass includes devices wherein changes in propagation direction result from reflection, diffraction, refraction, or mode conversion.