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Liquid-crystal display unit for electronic directory

  • US 5,416,495 A
  • Filed: 12/04/1992
  • Issued: 05/16/1995
  • Est. Priority Date: 07/07/1988
  • Status: Expired due to Fees
First Claim
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1. A display unit for an electronic directory that is exposed to sunlight;

  • said display unit comprising;

    a case including a front wall;

    a liquid-crystal display mounted within the case and comprising a face for displaying directory information in the form of a directory;

    an aperture defined in the front wall for viewing the display face;

    a hood mounted to the front wall of the case, extending outward therefrom at the aperture and dimensioned to shade substantially the entire aperture from sunlight at midday;

    said hood having an undersurface;

    an external window mounted to the case to protect the liquid-crystal display;

    said window being shaped, disposed and oriented to reflect into a viewer'"'"'s eyes substantially only the undersurface of the hood, if the viewer looks at the LCD from in front of the LCD; and

    solid-state digital electronic circuitry, electrically interconnected with the liquid-crystal display, for electronically storing directory information and for controlling the liquid-crystal display unit to automatically exhibit stored directory information in the form of a directory having multiple listings in an alphabetical or like order or in classified groupings.

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