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Display with rangefinder

  • US 5,252,950 A
  • Filed: 12/20/1991
  • Issued: 10/12/1993
  • Est. Priority Date: 12/20/1991
  • Status: Expired due to Term
First Claim
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1. An apparatus for displaying images comprising:

  • a. a display for displaying rendered imagery said display being substantially transparent to a viewer of the display;

    b. an automatic rangefinder coupled to the display for determining the distance from a viewer to the display, said distance which may vary between a minimum distance and a maximum distance; and

    c. a means for displaying an image upon the display, the image having a perspective such that the display is a projection plane of a perspective volume, and a distance from the projection plane to a center of the projection is proportional to the distance from the display to the viewer, the distance from the center of the projection to the projection plane being dynamically modifiable depending on the distance detected by the rangefinder.

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