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Display device for displaying a wide picture

  • US 5,181,122 A
  • Filed: 06/08/1992
  • Issued: 01/19/1993
  • Est. Priority Date: 06/26/1990
  • Status: Expired due to Term
First Claim
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1. A display device for displaying a wide picture comprising:

  • a) a main screen over which the wide picture is to be produced;

    b) first picture projector means for producing a first picture, said first picture projector means including a picture generation unit having a first screen extending in a first plane and facing in a first direction;

    c) second picture projector means for producing a second picture, said second picture projector means including a picture generation unit having a second screen extending in a second plane which is parallel to said first plane and facing in a second direction opposite to the first direction, the second plane being spaced from said first plane along said first and second directions;

    d) picture transmission means for transmitting pictures produced on the first and second screens to the main screen, the picture transmission means being positioned between said first and second planes, said picture transmission means including;

    i) first mirror means for;

    (A) reflecting light from the first screen to the main screen, and(B) transmitting light therethrough from the second screen and for reflecting said transmitted light that is reflected back to said first mirror means, to the main screen, said first mirror means being inclined with respect to the first direction, andii) second mirror means for reflecting light transmitted from said second screen through said first mirror means back to said first mirror means; and

    e) the first picture projector means and the second picture projector means being arranged so that an image from said first picture projector means is displayed on said main screen in non-overlapping juxtaposition to an image from said second picture projector means.

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