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Video information display system and display apparatus applicable to the same

  • US 6,747,613 B2
  • Filed: 02/07/2001
  • Issued: 06/08/2004
  • Est. Priority Date: 03/15/1994
  • Status: Expired due to Fees
First Claim
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1. A display apparatus comprising:

  • a plurality of display systems, each comprising a light source, a reflection type liquid crystal panel and an optical system, said plurality of display systems including a black-monochromatic system, a red-monochromatic system, a green-monochromatic system and a blue-monochromatic system;

    display means for displaying superimposingly a plurality of images obtained through said plurality of display systems;

    means for selecting at least one display system for displaying at least one of a black-monochromatic display, a black-monocolor mixture display, a full color display, and a black-full color mixture display;

    switching means for switching the selection of said plurality of display systems according to a selection by said selecting means;

    an interface to at least one information terminal; and

    an image processing circuit for controlling said plurality of display systems, such that said plurality of display systems conduct the black-monochromatic display, the full color display, the black-monocolor display, or the black-full color mixture display.

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