Drive control for drive circuit of liquid crystal display

Details Drive control for drive circuit of liquid crystal display Drive control for drive circuit of liquid crystal display

1976-03-10

1979-04-17

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340804, 350333, G06F 314

Patent

active

041503619

ABSTRACT:
A liquid crystal display driver control circuit device comprising a control circuit turning on and off a display cell between an alternating current voltage supply source and the input of a liquid crystal driver circuit and said control circuit controlling the display of at least one digit figure or mark by means of a small number of elements.

REFERENCES:
patent: 3505804 (1970-04-01), Hofstein
patent: 3653745 (1972-04-01), Mao
patent: 3891306 (1975-06-01), Mitomo et al.
patent: 3936676 (1976-02-01), Fujita
patent: 3936815 (1976-02-01), Kogure et al.
patent: 3938136 (1976-02-01), Kawakami

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