US PATENT SUBCLASS 367 / 78
.~.~.~ Multiplex

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

14  DF  SEISMIC PROSPECTING {4}
37  DF  .~ Land-reflection type {6}
76  DF  .~.~ Telemetry {2}
78.~.~.~ Multiplex {2}
79  DF  .~.~.~.~> Time
80  DF  .~.~.~.~> Frequency

DEFINITION

Classification: 367/78

Multiplex:

(under subclass 76) Subject matter wherein a plurality of distinct electric signals are transmitted over the same circuit virtually simultaneously.