Display driving device

Details Display driving device Display driving device

1981-04-21

1984-01-31

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

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

340784, 340805, 350332, G09G 318

Patent

active

044293046

ABSTRACT:
In a display device constructed by interposing an electrooptical substance between one group of electrodes and another group of electrodes, a pair of electrodes are time-divisionally and sequentially selected among one group of electrodes, and a train of low-voltage pulses are applied across the selected electrodes and predetermined electrodes of another group of electrodes, so that the operation margin of the driving voltage is increased and multiplicity of digits can be driven. sp

REFERENCES:
patent: 3835463 (1974-09-01), Tsukamoto et al.
patent: 3848247 (1974-11-01), Sherr
patent: 3973252 (1976-08-01), Mitomo et al.
patent: 3975085 (1976-08-01), Yamada et al.
patent: 4110967 (1978-09-01), Fujita
patent: 4142182 (1979-02-01), Kmetz
patent: 4300137 (1981-11-01), Fujita et al.

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