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Change notification in USB devices

  • US 7,899,952 B2
  • Filed: 09/22/2008
  • Issued: 03/01/2011
  • Est. Priority Date: 05/04/1999
  • Status: Active Grant
First Claim
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1. A method for notifying clients of a specific change in a data processing system, the method comprising:

  • in response to a first request from a client for notification of a specific change of a USB (universal serial bus) compatible device in the data processing system, adding the first request to a list of requests for notification, wherein the first request comprises a parameter specifying a device attribute of the USB compatible device; and

    in response to detecting the specific change of the USB compatible device in the data processing system, notifying the client originating the first request regarding the specific change of the USB compatible device, according to the parameter of the first request stored in the list of the requests for notification.

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