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Extending universal serial bus to allow communication with USB devices at a remote location

  • US 6,708,247 B1
  • Filed: 07/20/2000
  • Issued: 03/16/2004
  • Est. Priority Date: 07/21/1999
  • Status: Active Grant
First Claim
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1. A system for communicating data over a Universal Serial Bus (USB), the system comprising:

  • a host computer system including a processor and a memory;

    a host controller coupled to the host computer system;

    a first bus which is coupled to the host controller;

    a USB Remote Root Hub which is coupled to the first bus, wherein the USB Remote Root Hub is further coupled to the USB; and

    at least one USB device, wherein the at least one USB device is coupled to the USB;

    wherein the host controller, the first bus, and the USB Remote Root Hub are operable to allow communication between the host computer system and the USB device over a distance which is greater than a maximum distance specified in a USB protocol specification.

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