Display device including circuits for driving loads such as elec

Details Display device including circuits for driving loads such as elec Display device including circuits for driving loads such as elec

1975-01-20

1977-01-04

Curtis, Marshall M.

Communications: electrical

Systems

With specific power supply

340166EL, 340324M, G09F 932

Patent

active

040018091

ABSTRACT:
A display device for a display panel which is operated by both polarities of an applied voltage has a segment driving device connected to a segmental electrode of the display panel, a display controlling device connected to the power source, a resistive element connected between the segmental electrode and the display controlling device, and another resistive element connected between the display controlling device and the common electrode of the display panel. The voltage across the segmental electrode and the common electrode is provided by the segment driving device only when the display controlling device is in a short-circuited condition.

REFERENCES:
patent: 3653745 (1972-04-01), Mao
patent: 3878537 (1975-04-01), Roncillat et al.

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