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Magnetic circuits for communicating data

  • US 5,385,476 A
  • Filed: 01/24/1994
  • Issued: 01/31/1995
  • Est. Priority Date: 06/16/1992
  • Status: Expired due to Fees
First Claim
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1. An electrical connector for transferring multiple electrical signals from one cable on a trailer to another cable on a tractor of a tractor/trailer combination, comprising:

  • a multi-pin plug;

    a multi-receptacle socket matable with said plug;

    said plug comprising a plurality of pins, a first non-ferrous shell surrounding said pins, and a first air-core coil carried on said first shell;

    said socket comprising a second non-ferrous shell surrounding said receptacles, and a second air-core coil carried on said second shell;

    said first and second air-core coils being positioned adjacent to each other to form an air-core transformer when said plug and socket are mated; and

    means for delivering high-frequency information-bearing electrical signals to at least one of said first and second air-core coils for magnetic transfer to the other of said first and second air-core coils by air-core transformer action.

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