Display driving circuit

Details Display driving circuit Display driving circuit

1981-12-11

1984-09-11

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340811, 340752, 340715, G09G 300

Patent

active

044713479

ABSTRACT:
A circuit for driving a display comprises a condenser element for maintaining a voltage, the number of condenser elements corresponding to the number of picture elements of the display, a first switch for applying a voltage to the condenser element, a second switch for driving each of the picture elements according to the voltage maintained by the condenser element, and a third switch for testing said circuit by monitoring the voltage developed across said condenser element.

REFERENCES:
patent: 3564135 (1971-02-01), Weimer
patent: 4070600 (1978-01-01), Butler et al.
patent: 4110662 (1978-08-01), Greeneich et al.
patent: 4300138 (1981-11-01), Nakauchi et al.

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