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System and method for display of multiple data channels on a single haptic display

  • US 8,570,296 B2
  • Filed: 05/16/2012
  • Issued: 10/29/2013
  • Est. Priority Date: 05/16/2012
  • Status: Active Grant
First Claim
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1. A method of producing a haptic effect comprising:

  • receiving a first notification signal;

    receiving a second notification signal;

    generating a notification parameter using the first notification signal and the second notification signal;

    comparing the notification parameter to a foreground haptic threshold;

    if the notification parameter is greater than or equal to the foreground haptic threshold,generating an interaction parameter using a foreground haptic effect signal;

    if the notification parameter is less than the foreground haptic threshold, generating an interaction parameter using a background haptic effect signal; and

    applying a drive signal to a haptic output device according to the interaction parameter; and

    further comprising;

    receiving a plurality of haptic effect notifications N over a time period T;

    generating a notification frequency ratio using N and T;

    comparing the notification frequency ratio to the foreground haptic threshold;

    if the notification frequency ratio is less than the foreground haptic threshold, generating an interaction parameter using the background haptic effect signal;

    if the notification frequency ratio is greater than or equal to the foreground haptic threshold, generating an interaction parameter using the foreground haptic effect signal; and

    applying a drive signal to the haptic output device according to the interaction parameter.

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