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Phantom circuits

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Industry

  • CPC
  • H04Q2213/082
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Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

Current Industry

H04Q2213/082Phantom circuits
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    DC supply for an S-bus in ISDN
    • Patent number 4,935,928
    • Issue date Jun 19, 1990
    • AT&T Bell Laboratories
    • Jan De Weerd
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents