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User notification system with an illuminated computer input device

  • US 8,279,177 B2
  • Filed: 08/11/2011
  • Issued: 10/02/2012
  • Est. Priority Date: 04/06/2000
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • determining whether a first event has occurred, wherein determining whether the first event has occurred comprises determining whether a ball on an input device has moved;

    causing an illumination member of the input device to turn on in response to a determination that the first event has occurred;

    determining whether a second event has occurred; and

    causing a state of the illumination member to change in response to a determination that the second event has occurred.

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