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On-screen display apparatus

  • US 5,343,307 A
  • Filed: 06/26/1992
  • Issued: 08/30/1994
  • Est. Priority Date: 06/28/1991
  • Status: Expired due to Term
First Claim
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1. An on-screen display apparatus in which font data of each character is read-out from a character memory for display on a display screen of a monitor, comprising:

  • a line memory for fixedly storing character data of a plurality of character trains each of which is composed of a series of characters, wherein at least one of the plurality of character trains includes at least one specific character representative of at least one variable character;

    address designating means for designating an address of said line memory in which character data of a head character constituting said character train is stored;

    position data generating means for generating position data of a position on the display screen;

    first reading means for reading-out the font data of said series of characters from said character memory on the basis of said position data from said position data generating means and said address designated by said address designating means; and

    converting means for converting said font data into a video signal.

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