Character display device

Details Character display device Character display device

1988-03-11

1989-11-21

Oberley, Alvin

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340799, G09G 100

Patent

active

048825786

ABSTRACT:
In a character display device for displaying characters on a display screen of a display unit (6): a refresh memory (2) stores character codes for respective display positions on the display screen; the refresh memory is supplied with addresses and thereby to sequentially produces character codes; a character generator (4) receives the character codes from the refresh memory and produces pixel signals representing character patterns of the character codes; a frame memory (8) receives and stores the pixel signals for display positions of the respective pixels; the frame memory is supplied with addresses and thereby sequentially produces pixel signals; and the display unit displays the pixel signals from the frame memory on the display screen.

REFERENCES:
patent: 4203102 (1980-05-01), Hydes
patent: 4433330 (1984-02-01), Furjanic
patent: 4502039 (1985-02-01), Vercesi et al.
patent: 4703317 (1987-10-01), Shiomi et al.
Hinshu ga Hirogaru 1M bit Hin "More Types of 1 Mbit Devices", Nikkei Electronics No. 431, Oct. 5th, 1987, pp. 116-122.

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