Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1993-01-27
1994-10-25
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 98, 345197, 377 54, G09G 336
Patent
active
053593430
ABSTRACT:
A dynamic addressing display device includes a display panel and generates a number of dot data signals and data clock signals equal to the number of picture elements per row required to display one character on the display panel. It is therefore not necessary to generate extra dot data signals or data clock signals representing additional data driver bits greater than the number of picture elements per row required to display one character on the display panel. A data driver is coupled to the display panel for driving a plurality of data electrodes of the display panel. The number of data clock signals is counted by a data clock counter. When the number of clock signals counted equals the number of picture elements per row required to display one character on the display panel the data clock signals are modulated by a data clock adder to shift the clock signals an amount of bits equal to the additional number of outputs of the data driver. The resultant clock signals are sent to a shift register. Then, the data stored in the shift register is shifted in sequence with the modulated clock signals to drive the data electrodes. Thus all the data signals generated to display one character on a display panel are used.
REFERENCES:
patent: 4746915 (1988-05-01), Sekiya
Mims, F. Engineer's Notebook, pp. 32, 112, Radio Shack, 1980.
Banerjee Aaron
NEC Corporation
Oberley Alvin E.
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