Picture display apparatus for displaying fringed characters on a

Details Picture display apparatus for displaying fringed characters on a Picture display apparatus for displaying fringed characters on a

1992-06-09

1994-07-26

Shaw, Dale M.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

395150, 345192, 345194, G06F 1520

Patent

active

053332644

ABSTRACT:
A picture display apparatus capable of displaying fringed characters is provided with a latch circuit for latching a character code read from a display data RAM. The latch circuit is provided between the display data RAM and a character generator and used to receive and hold the character code read from the display data RAM once and to supply the character code thus held to the character generator. A write circuit writes the character code to a memory when the latch circuit is not so timed as to receive the character code from the memory.

REFERENCES:
patent: 4857905 (1989-08-01), Ogawa

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