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PCE
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CPC Subgroup
H04J 1/02

Details

Full Title

Frequency-division multiplex systems (H04J14/00 takes precedence) > Details

7 direct subcodes

Child Classifications

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  • H04J 1/10 Intermediate station arrangements, e.g. for branching, for tapping-off
  • H04J 1/12 Arrangements for reducing cross-talk between channels
  • H04J 1/14 Arrangements providing for calling or supervisory signals
  • H04J 1/16 Monitoring arrangements