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Transmission lines applied to contact free slip rings

  • US 8,138,849 B2
  • Filed: 09/17/2008
  • Issued: 03/20/2012
  • Est. Priority Date: 09/20/2007
  • Status: Active Grant
First Claim
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1. A non-contacting rotary interface comprising:

  • a first core;

    a first pair of balanced transmission lines coupled to the first core;

    a second core rotatable in relation to the first core; and

    a second pair of balanced transmission lines coupled to the second core and configured to receive signals from the first pair of balanced transmission lines;

    wherein the first pair of balanced transmission lines comprises;

    a first transmit wire coupled to a first transceiver at a first end of the first transmit wire;

    a second transceiver coupled to the first transmit wire at a second end of the first transmit wire;

    a second transmit wire coupled to a third transceiver at a first end of the second transmit wire; and

    a fourth transceiver coupled to the second transmit wire at a second end of the second transmit wire.

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