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Force feedback system including multi-tasking graphical host environment

  • US 8,928,581 B2
  • Filed: 09/06/2011
  • Issued: 01/06/2015
  • Est. Priority Date: 11/14/1997
  • Status: Expired due to Fees
First Claim
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1. A user device comprising:

  • a display panel configured to display a graphical object and a graphical environment;

    a touch-sensitive panel configured to receive an input from a user and to provide input information based upon the input received from the user associated with manipulation of the graphical object in the graphical environment; and

    a host computer configured to receive the input information from the touch-sensitive panel and to provide a multi-tasking environment, the host computer comprisinga memory having a plurality of data sets stored therein, each data set comprising a representation of one or more force effects, wherein each one of the plurality of data sets is associated with one software application, anda processor configured to call an application programming interface, to determine which one of a plurality of concurrently running application programs is active in the multi-tasking environment, and generate a signal representing the data set associated with the active application program.

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