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PCE
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DIFF Subgroup
H04J 1/18

in which all the carriers are amplitude-modulated (H04J1/02 takes precedence )

Introduced: September 1968

Title

Titles differ between systems:

IPC: in which all the carriers are amplitude-modulated

CPC: in which all the carriers are amplitude-modulated (H04J1/02 takes precedence )

Full Title

Full titles differ between systems:

IPC:

Frequency-division multiplex systems > in which all the carriers are amplitude-modulated

CPC:

Frequency-division multiplex systems (H04J14/00 takes precedence) > in which all the carriers are amplitude-modulated (H04J1/02 takes precedence )

No child classifications to compare. This is a leaf node in both IPC and CPC.