Gas discharge panel device

Details Gas discharge panel device Gas discharge panel device

1980-12-05

1983-05-31

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

340777, 340789, H05B 4100

Patent

active

043862977

ABSTRACT:
Disclosed is a driving circuit of a gas discharge panel comprising X-electrode rows and Y-electrode columns arranged in a matrix. In order to decrease the number of driving elements, the X-electrode driver is comprised of a first up drive circuit commonly used for applying a discharge sustaining voltage and a write-in voltage to the X electrodes, and a first down drive circuit for grounding the first up drive circuit when the discharge sustaining voltage or the write-in voltage is not applied to the X electrodes. Also, the Y-electrode driver is comprised of a second up drive circuit for applying a discharge sustaining voltage to the Y electrodes, a second down drive circuit for grounding the second up drive circuit when the discharge sustaining voltage is not applied to the Y electrodes, a write-in driver for applying a write-in voltage to the Y electrodes, and a clamping circuit for grounding the Y electrodes when the write-in voltage is not applied to the Y electrodes.

REFERENCES:
patent: 4099097 (1978-07-01), Schermerhorn et al.
patent: 4100461 (1978-07-01), Hada et al.
patent: 4280079 (1981-07-01), Nishida

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