Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-09-07
1999-06-01
Nguyen, Chanh
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 98, G09G 328
Patent
active
059091991
ABSTRACT:
A plasma driving circuit for sequentially discharging and driving a plurality of plasma channels. The circuit comprises a plurality of complementary switches provided correspondingly to the plasma channels; a constant current source connected in common to each of the complementary switches and supplying a predetermined discharge current thereto; a scanner for sequentially controlling the on/off actions of the complementary switches and distributing the discharge current to the corresponding plasma channels; and a suppressing circuitry included in the output stage of each of the complementary switches and serving to suppress the output of a rush current which results from a capacitive component existent in each of the complementary switches. The suppressing means is a diode element having a capacitive component sufficiently smaller than the capacitive component existent in each complementary switch, and a resistance element is connected in series to the diode element. The resistance value of the resistance element is so optimized as not to limit the discharge current substantially but to be adapted for suppressing the rush current effectively.
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Miyazaki Shigeki
Odake Ryota
Nguyen Chanh
Sony Corporation
Suraci John
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