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Adjustable Attachment for Attaching Head-Mounted Display to Eyeglasses-Type Frame

  • US 20110012814A1
  • Filed: 07/06/2010
  • Published: 01/20/2011
  • Est. Priority Date: 07/15/2009
  • Status: Abandoned Application
First Claim
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1. An HMD attachment device for attaching a head-mounted display device (HMD) to an eyeglasses-type frame worn on a head of a viewer, wherein the HMD is mounted on the head of the viewer for projecting imaging light representative of an image onto one eye of the viewer, to thereby display the image to the viewer, the HMD attachment device comprising:

  • a main body detachably attached to the eyeglasses-type frame;

    a movable member disposed between the main body and the display device, wherein the movable member is angularly displaceable about a rotation axis, relative to the main body, the movable member is linearly displaceable relative to the main body, and the movable member is held at a selected one of possible angular positions and a selected one of possible linear positions; and

    a mode changer configured to selectively change a mode in which the movable member is angularly displaced relative to the main body, between a small-rotation-angle mode which enables the movable member to be angularly displaced through an angle smaller than 180 degrees, and a large-rotation-angle mode which enables the movable member to be angularly displaced through an angle equal to or larger than 180 degrees, wherein the mode change is in a mechanically synchronized manner with a relative linear displacement of the movable member to the main body.

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