Information display apparatus

Details Information display apparatus Information display apparatus

1977-05-17

1979-06-19

Curtis, Marshall M.

Communications: electrical

Continuously variable indicating

With meter reading

340152R, 340706, 340747, 340750, 340798, G06F 314

Patent

active

041588371

ABSTRACT:
A display system is shown which has a source of coded information in display mapped format and includes plural devices for decoding and utilizing the information in accordance with its position in that mapped format. In the illustrated embodiment, the source includes a refresh buffer and the utilization devices include an attribute decoder and a character generator. A character row counter controls gating which causes the apparatus to treat bytes of data, having attribute format, truly as attributes or as addresses of members of an extra, graphical character set of the character generator.

REFERENCES:
patent: 3524181 (1970-08-01), Criscimagna et al.
patent: 3524182 (1970-08-01), Criscimagna et al.
patent: 3559208 (1971-01-01), Giugno et al.
patent: 3750135 (1973-07-01), Carey et al.
patent: 3792462 (1974-02-01), Casey et al.
patent: 3827041 (1974-07-01), Cook

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