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PCE
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IPC Subgroup
H04J 3/02

Details

Introduced: September 1968

Last revised: January 2006

Full Title

Time-division multiplex systems > Details

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
MULTIPLEX COMMUNICATION

6 direct subcodes

Child Classifications

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  • H04J 3/04 Distributors combined with modulators or demodulators
  • H04J 3/08 Intermediate station arrangements, e.g. for branching, for tapping-off
  • H04J 3/1 Arrangements for reducing cross-talk between channels
  • H04J 3/12 Arrangements providing for calling or supervisory signals
  • H04J 3/14 Monitoring arrangements