Last Updated：2025/12/30
Sentence
This
invention
relates
to
carrier
wave
signaling
systems
and
more
particularly
to
systems
of
multiplex
telephony
employing
carrier
waves
wherein
such
carrier
waves
of
distinctive
frequencies
are
normally
impressed
upon
the
transmission
medium.
Such
medium
may
comprise
any
of
the
natural
media
employed
in
radio
transmission
or
a
conductive
transmission
line
of
any
kind.
Quizzes for review
This invention relates to carrier wave signaling systems and more particularly to systems of multiplex telephony employing carrier waves wherein such carrier waves of distinctive frequencies are normally impressed upon the transmission medium. Such medium may comprise any of the natural media employed in radio transmission or a conductive transmission line of any kind.
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