Gas panel with improved circuit for display operation

Details Gas panel with improved circuit for display operation Gas panel with improved circuit for display operation

1979-05-09

1981-01-27

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

3151694, 340776, 340779, H05B 3700

Patent

active

042478545

ABSTRACT:
A driving circuit arrangement for a gas-discharge display device operated asynchronously by a blanking signal generated in a processor applies a voltage level to each of the cells of the display device which is below the voltage level required to fire the cells upon the generation of the blanking signal. This arrangement enables the selected cells to fire upon the subsequent removal of the blanking signal. Switching members are operated by the generation of the blanking signal to precharge each of the cells in the display device during the blanking interval in which data transmitted from the processor selects the character to be displayed.

REFERENCES:
patent: 3786485 (1974-01-01), Wojcik
patent: 3793628 (1974-02-01), Gaur
patent: 3851210 (1974-11-01), Schermerhorn
patent: 3894263 (1975-07-01), Wojcik
patent: 3894506 (1975-07-01), Mayer et al.
patent: 4099097 (1978-07-01), Schermerhorn et al.
patent: 4139803 (1979-02-01), Kurahashi et al.

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