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OPERATION FEELING IMPARTING TYPE TRACKBALL DEVICE

  • US 20120038495A1
  • Filed: 08/11/2011
  • Published: 02/16/2012
  • Est. Priority Date: 08/12/2010
  • Status: Abandoned Application
First Claim
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1. An operation feeling imparting type trackball device comprising:

  • a sphere;

    a supporting member rotatably holding the sphere;

    a brake unit capable of applying a braking force to the sphere;

    a sensor detecting a rotation state of the sphere and outputting a detecting signal; and

    a control unit controlling the driving of the brake unit based on the detecting signal,wherein the sphere having a top portion exposed in rotatably operated, andwherein the brake unit includes a friction member having an opening that exposes one portion of the sphere to an upper side and an actuator capable of driving the friction member to a lower side, andthe actuator drives the friction member to a lower side so that the circumference portion of the opening is pressed to be in contact with the sphere from an upper side.

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