Display system

Communications: electrical – Systems – Call station

Patent

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Details

340748, G06F 314

Patent

active

045271542

ABSTRACT:
In a display system including a screen memory having a one-to-one correspondence to the characters to be displayed on a cathode ray tube or CRT, a character generator for generating a bit stream indicative of a character selected by an output of the screen memory and a CRT control circuit for generating the display addresses corresponding to the display positions on the CRT and the raster addresses for selecting the relation between the character block of the character generator and the scanning lines of the characters to be displayed on the CRT, the characters to be displayed on the CRT are vertically shifted in accordance with the value of the display addresses and a separating line is displayed in the space provided by the shifting of the characters thereby making the vertically shifted lines easy to see.

REFERENCES:
patent: 4323892 (1982-04-01), Kinghorn
patent: 4342990 (1982-08-01), Traster
patent: 4342991 (1982-08-01), Pope et al.

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