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Input device including a scroll wheel assembly for manipulating an image in multiple directions

  • US 20050259077A1
  • Filed: 06/28/2002
  • Published: 11/24/2005
  • Est. Priority Date: 06/28/2002
  • Status: Active Grant
First Claim
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1. A device for manipulating an image on a display device screen, comprising:

  • an input device in communication with the display device screen, the input device including a housing having an opening defined therein;

    an actuator positioned within the input device and at least partially protruding through the opening, the actuator having at least two actuated conditions in which distinguishable signals are generated;

    a rotational member surrounding the actuator and at least partially protruding through the opening, the rotational member being rotatable with respect to the housing and continuously rotatable through multiple complete revolutions;

    an encoder for encoding amounts by which the rotational member is rotated, wherein the actuator has a limited range of motion, the actuator is engageable independent of the rotational member; and

    a cylindrical portion wherein the rotational member rotates about the cylindrical portion and the actuator is positioned at least partially inside the cylindrical portion.

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