Single message via plural carrier wave transmission:
(under subclass 39) Subject matter where a single message or intelligence is transmitted by means of a plurality of carrier waves.
(1) Note. The subject matter to be found here will include systems in which the whole intelligence signal is divided into component parts, each of the components being modulated upon a separate carrier wave or systems in which the whole undivided intelligence signal is separately modulated upon separate carrier waves.
SEE OR SEARCH THIS CLASS, SUBCLASS:
13.1+, and 17, for repeaters utilizing plural channels.
27, for secret systems using a plurality of carrier waves.
42, for plural channel angle modulation systems.
SEE OR SEARCH CLASS 178, Telegraphy,
32, for secret telegraph systems which may employ a plurality of carrier waves or alternating current waves.
375, Pulse or Digital Communications,
260+, for pulse modulated carrier wave systems using plural channels to transmit a single pulse train.
380, Cryptography, particularly
34, for a cryptos:graphic system utilizing plural carrier frequencies.
