(under subclass 117) Subject matter having a plurality of modulators, modulating signals, or diverse output modulation types simultaneously present or individually selectable.
(1) Note. At least one final output signal must be a frequency modulated signal.
(2) Note. Multiplex frequency modulators, per se, are classified here.
SEE OR SEARCH THIS CLASS, SUBCLASS:
108, for plural modulation in a pulse modulator.
145, for plural modulation in a phase modulator.
151+, for plural modulation in an amplitude modulator.
SEE OR SEARCH CLASS
370, Multiplex Communications, appropriate subclasses and particularly
204+, for plural diverse modulation techniques, subclass 215 for multiplex transmitter using phase modulation and subclass 483 for a multiplex transmitter using frequency modulation.
455, Telecommunications,
61, for plural modulation where a single message is conveyed between a separated transmitter and receiver and subclass 102 for plural modulation in a telecommunications transmitter.
