Details (electronic switching or gating H03K17/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Details

CPC: Details (electronic switching or gating H03K17/00)

Full Title

Full titles differ between systems:

IPC:

Time-division multiplex systems > Details

CPC:

Time-division multiplex systems (H04J14/00 takes precedence; relay systems H04B7/14; selecting techniques H04Q) > Details (electronic switching or gating H03K17/00)

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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H04J 3/025 CPC only CPC only
H04J 3/04 Distributors combined with modulators or demodulators +3 CPC IPC+CPC Available in IPC and CPC
H04J 3/06 Synchronising arrangements +3 CPC IPC+CPC Available in IPC and CPC
H04J 3/08 Intermediate station arrangements, e.g. for branching, for tapping-off +1 CPC IPC+CPC Available in IPC and CPC
H04J 3/10 Arrangements for reducing cross-talk between channels IPC+CPC Available in IPC and CPC
H04J 3/12 Arrangements providing for calling or supervisory signals +1 CPC IPC+CPC Available in IPC and CPC
H04J 3/14 Monitoring arrangements IPC+CPC Available in IPC and CPC