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Hot plug-and-play converter of a universal serial bus interface

  • US 6,131,134 A
  • Filed: 07/27/1998
  • Issued: 10/10/2000
  • Est. Priority Date: 05/12/1998
  • Status: Expired due to Term
First Claim
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1. A hot plug-and-play converter of a universal serial bus interface for converting a peripheral interface into a plug-and-play universal serial bus interface, wherein the peripheral interface is used to connect a peripheral, the converter comprising:

  • a switch, wherein a first end of the switch is connected to a voltage source;

    a resistor for connecting a transferring wire of the universal serial bus interface and a second end of the switch; and

    a converting circuit for connecting the universal serial bus interface and the peripheral interface, transferring signals between the universal serial bus interface and the peripheral interface, and sending a controlling signal to control the connection of the first end and the second end of the switch, wherein the controlling signal opens the switch for a period of time and then closes the switch after the peripheral interface is connected to the universal serial bus interface, and the controlling signal opens the switch for a period of time and then closes the switch after the peripheral interface is disconnected from the universal serial bus interface.

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