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Head-mounted display

  • US 7,944,616 B2
  • Filed: 08/19/2009
  • Issued: 05/17/2011
  • Est. Priority Date: 08/21/2008
  • Status: Active Grant
First Claim
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1. A head-mounted display comprising:

  • a frame shaped like glasses to be worn on the head of an observer;

    two image display apparatuses respectively including image generating devices to be placed outside the eyes of the observer, and light guide means attached to the image generating devices and provided closer to the center of the face of the observer than the image generating devices as a whole, light emitted from the image generating devices entering the light guide means, and being guided and emitted from the light guide means toward the eyes of the observer; and

    a coupling member configured to couple the image generating devices and attached to a center portion of the frame between the eyes of the observer,wherein the following conditions are satisfied;


    0.01×

    L≦

    α



    0.30×

    L
    0.35×

    L≦

    β



    0.65×

    L, and
    0.70×

    L≦

    γ



    0.99×

    L where α

    represents the distance from a mount center of one of the image generating device to one end of the frame, β

    represents the distance from the center of the coupling member to the one end of the frame, γ

    represents the distance from a mount center of the other image generating device to the one end of the frame, and L represents the length of the frame.

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