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Compensation method and circuitry for flat panel display

  • US 5,285,192 A
  • Filed: 12/30/1991
  • Issued: 02/08/1994
  • Est. Priority Date: 09/16/1988
  • Status: Expired due to Term
First Claim
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1. In a data processing system having a computer means for processing information, a memory means for storing information, and a video display system for generating and displaying video display information, wherein the video display information is displayed on one of at least two predetermined types of video display means, the video display system comprising:

  • display means;

    means, coupled to the display means, for determining a size of said display means;

    display indicating means coupled to the display means for indicating which type of display means is capable of displaying video display information;

    a first set of register means containing video display configuration information for a first type of predetermined display means, the video configuration information enabling the first type of display means to display the video display information in any one of a predefined set of display modes;

    a second set of register means containing video display modification information for a second predetermined display type, the video display modification information used for modifying the video display configuration information stored in the first set of register means to enable the display means to display the video display information for a second predetermined display type in any one of the same predefined set of display modes;

    controller means coupled to the display means, the display size determining means, the display indicating means, the first set of register means, the second set of register means, the computer means and the memory means, the controller using the video display configuration information in the first set of register means to convert the information in the computer and memory into video display information for the display means when the display means of the first predetermined type is capable of displaying video display information and the controller using the video display configuration information in the first set of register means and the modification information in the second set of register means to convert the information in the computer and memory into video display information for the display means when the display means of the second predetermined type is capable of displaying video display information and the size of the display means of the first predetermined type is different from the size of the display means of the second predetermined type.

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