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Force feedback interface device having isometric functionality

  • US 6,232,891 B1
  • Filed: 09/24/1998
  • Issued: 05/15/2001
  • Est. Priority Date: 11/26/1996
  • Status: Expired due to Term
First Claim
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1. A method of providing pan, scroll, or zoom functions for a displayed image on a display screen of a host computer, the method comprising:

  • providing a user manipulatable object coupled to an actuator, said user manipulatable object being moved in at least one degree of freedom by a user, wherein a force output by said actuator is controlled by a local microprocessor;

    causing a resistance using said actuator to oppose said movement of said user manipulatable object in said at least one degree of freedom; and

    performing a scroll, pan, or zoom function for said displayed image in response to said movement of said user manipulatable object against said resistance.

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