Computer graphics processing and selective visual display system – Display driving control circuitry – Physically integral with display elements
Patent
1993-02-17
1994-10-11
Weldon, Ulysses
Computer graphics processing and selective visual display system
Display driving control circuitry
Physically integral with display elements
345200, G09G 102
Patent
active
053551508
ABSTRACT:
The sub-screen data storage control unit of the present invention is provided with writing address generation circuit means to generate writing addresses for the row direction and the column direction of the storage unit and reading address generation circuit to generate reading addresses for the row direction and the column direction of said storage unit. For division of sub-screen, it further comprises a selection signal generation circuit to generate a section selection signal to specify one of the divided sections obtained from division of the storage area of the storage, and address division circuit to sort row direction writing addresses and column direction writing addresses for each of the divided sections in the storage area according to the section selection signal from the selection signal generation circuit.
REFERENCES:
patent: 4703353 (1987-10-01), David
patent: 4806921 (1989-02-01), Goodman et al.
patent: 5010325 (1991-04-01), Zinchkovski
Chow Doon
NEC Corporation
Weldon Ulysses
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