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PCE
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CPC Subgroup
H04J 1/20

in which at least one carrier is angle-modulated (H04J1/02 takes precedence; FM without multiplex H04B1/00, H04B14/006, H04B15/00; PSK H04L5/12; impulse-modulation without multiplex H04B14/02; time-division multiplexing for data transmission H04L5/22; telemetry G08C15/06 - G08C15/12; telephony H04Q11/00, H04Q11/04, H04Q11/0407)

Full Title

Frequency-division multiplex systems (H04J14/00 takes precedence) > in which at least one carrier is angle-modulated (H04J1/02 takes precedence; FM without multiplex H04B1/00, H04B14/006, H04B15/00; PSK H04L5/12; impulse-modulation without multiplex H04B14/02; time-division multiplexing for data transmission H04L5/22; telemetry G08C15/06 - G08C15/12; telephony H04Q11/00, H04Q11/04, H04Q11/0407)