Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-11-15
1999-02-02
Mengistu, Amare
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 60, G09G 328
Patent
active
058671358
ABSTRACT:
An apparatus and a method for the control of a display screen, especially a plasma panel screen. The screen has cells that can be either in an erased state or in a "recorded" state in which they can be activated by alternating signals called sustaining signals. According to one characteristic, the method consists in dividing the cells into at least two groups, such as an upper group and a lower group, these two groups receiving sustaining signals alternately, and in applying to the cells, during the time when they do not receive the sustaining signals, memory signal enabling them to preserve their "recorded" state or their "erased" state. This results in a reduction of the pulsed discharge current.
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Dutin Jacky
Salavin Serge
Mengistu Amare
Osorio Ricardo
Thomson Tubes Electroniques
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