Personal computer with multiple independent CRT displays of ideo

Details Personal computer with multiple independent CRT displays of ideo Personal computer with multiple independent CRT displays of ideo

1985-08-22

1990-09-04

Anderson, Lawrence E.

Boots, shoes, and leggings

340735, 340790, 3649661, 364960, 364955, G06F 1202

Patent

active

049549790

ABSTRACT:
A plurality of language display control cards are provided for insertion into the motherboard of a personal computer, each card having connector means to which a CRT display and a keyboard may be connected. Each card controls its display independently of the others so that different data may be displayed on each display screen. A display control card includes a font memory for storing the digital video representations of ideographic characters of a standard code, and an ASCII memory for storing the digital video representations of ASCII characters. In addition a loadable font memory is provided for storing the digital video representations of characters which are not commonly used characters of a language but may be frequently used in a particular application. The outputs of the three memories may be serially interspersed so that the CRT may display ASCII, or ideographic characters or a mixture of both. To reduce the size of the font memory, a translator memory is provided for converting non-sequential numbers representing the characters of a standard internal code used by the PC into a sequence of consecutive numbers for addressing the font memory.

REFERENCES:
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Computer, Jan. 1985, "Chinese/Kanji Text and Data Processing", pp. 11, 12, 18-24, 27-34, 37-52, 54-63, 65, 66 & 80-87.

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