A driving signal generating unit having first and second voltage

Details A driving signal generating unit having first and second voltage A driving signal generating unit having first and second voltage

1987-02-10

1989-05-16

Miller, Stanley D.

Communications: electrical

Land vehicle alarms or indicators

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

350350S, 350332, 340805, G02F 1133, G09G 336

Patent

active

048304670

ABSTRACT:
A driving apparatus including a scanning driver circuit connected to scanning electrodes and a signal driver circuit connected to signal electrodes. The signal driver circuit includes (1) a drive signal generating unit which includes a first signal generating circuit and a second signal generating circuit for generating a first voltage signal and a second voltage signal, respectively, of mutually different waveforms, (2) a switching circuit unit for selectively supplying the first or second voltage signal to a signal electrode, and (3) a switching signal generating unit for supplying a switching control signal to the switching circuit unit.

REFERENCES:
patent: 3862360 (1975-01-01), Dill et al.
patent: 4380008 (1983-04-01), Kawakami et al.
patent: 4395709 (1983-07-01), Nagae et al.
patent: 4542301 (1985-09-01), Narabu
patent: 4600274 (1986-07-01), Morozumi
patent: 4642628 (1987-02-01), Murata
patent: 4702560 (1987-10-01), Endo et al.
A. I. Lakatos-"Promise and Challenge . . . Active Matrices", pp. 185-192-Proceedings of the SID, vol. 2412-1983.
K. Kasahara-"A LC-TV Display . . . Bus Drivers", pp. 96-101-1980 Biennial Display Research Conference-IEEE-1980.

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