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Accelerated scrolling

  • US 7,170,491 B2
  • Filed: 12/03/2004
  • Issued: 01/30/2007
  • Est. Priority Date: 09/29/1999
  • Status: Expired due to Term
First Claim
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1. A system for controlling the scrolling of a display comprising:

  • an input device having a rotational member including a wheel having at least a wheel portion extending from an outer surface;

    said wheel portion being configured to receive a manual movement to provide rotation of said rotational member; and

    means for monitoring a first rate of rotation of said rotational member and a second rate of rotation of said rotational member in which said first rate and said second rate are different, said means configured to calculate to calculate a relative rotational rate between said first rate and said second rate, said means outputting at least one scroll signal for controlling the scrolling of said display in relation to said relative rate.

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