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Connector device for information-handling apparatus and connector device for stereophonic audio/video apparatus

  • US 6,069,960 A
  • Filed: 08/28/1997
  • Issued: 05/30/2000
  • Est. Priority Date: 09/05/1996
  • Status: Expired due to Fees
First Claim
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1. A connector device for connecting information-handling apparatuses, comprising:

  • a common jack connected to a first information-handling apparatus;

    a plurality of plugs connected respectively to a plurality of second information-handling apparatuses having respective different impedances, said plugs being selectively connected to said common jack;

    switch means connected between a DC power supply and one terminal of said common jack; and

    determining means connected to said common jack and said switch means for detecting when one of said plugs is connected to said common jack and providing a control signal to said switch means for connecting a DC power supply voltage to a predetermined terminal of said common jack and for measuring a voltage at said predetermined terminal and determining a type of a second information-handling apparatus connected to said connected plug depending on the voltage measured at said predetermined terminal of said common jack.

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