Process for the three step-multiplex control of electro-optical

Details Process for the three step-multiplex control of electro-optical Process for the three step-multiplex control of electro-optical

1980-10-27

1982-06-01

Waring, Alvin H.

Communications: electrical

Continuously variable indicating

With meter reading

340765, G06F 314

Patent

active

043330983

ABSTRACT:
A process for the three step-multiplex control of electro-optical display arrangements having segment-like forward and back electrodes, through the intermediary of periodic pulse sequences which have six pulses within each control period, which can presently assume four different voltage levels. Three of these pulse sequences are constantly applied to the back electrodes and the additional pulse sequences, in accordance with the measure of the display which is to be represented, are applied to the forward electrodes. The invention further includes a circuit for effectuating the process for the three step-multiplex control.

REFERENCES:
patent: 4019178 (1977-04-01), Hashimoto et al.
patent: 4099073 (1978-07-01), Hashimoto et al.

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