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Communication controller in a home bus system

  • US 4,896,349 A
  • Filed: 03/25/1988
  • Issued: 01/23/1990
  • Est. Priority Date: 03/26/1985
  • Status: Expired due to Fees
First Claim
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1. A bus system comprising:

  • a pulse transformer including a primary winding and plural secondary windings being wound on a common core, said plural secondary windings being wound bifilarily for obtaining good coupling,plural kinds of information transmission medium connected, respectively, to said plural secondary windings of said pulse transformer, said plural kinds of information transmission medium including a coaxial cable and a pair of wires,plural communication apparatuses connected to said plural kinds of information transmission medium,electric domestic devices respectively connected to different ones of said plural communication apparatuses, andcontrol means connected to a primary winding of said pulse transformer for monitoring said plural kinds of information transmission medium, said control means facilitating sending and receiving operations of communication packets between said plural communication apparatuses, respectively connected to different ones of said coaxial cable and pair of wires, through said secondary windings.

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