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Image display device

  • US 6,731,254 B2
  • Filed: 04/23/2001
  • Issued: 05/04/2004
  • Est. Priority Date: 04/24/2000
  • Status: Expired due to Fees
First Claim
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1. An image display device comprising:

  • right and left image display means arranged to direct a display plane to right and left outsides of a central portion of right and left eyes of a user in an observing image operation mode; and

    right and left optical elements which reflect luminous flux concerning right and left images from the right and left image display means in a horizontal plane to the user'"'"'s right and left eyes;

    wherein the right and left optical elements each comprise a prism, respectively; and

    wherein the image display device further comprises a positioning engage portion for a supporting member installed on a part of at least one ridge line portion of the prisms on a part of the side of the prisms where the luminous flux does not act on the image.

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