Liquid crystal driving apparatus

Details Liquid crystal driving apparatus Liquid crystal driving apparatus

1982-02-25

1984-05-08

Corbin, John K.

Communications: electrical

Land vehicle alarms or indicators

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

340784, 340802, G02F 113

Patent

active

044471319

ABSTRACT:
A liquid crystal driving apparatus comprises a plural number of first signal lines arranged on the front surface of a liquid crystal panel, a plural number of second signal lines arranged on the back surface of the liquid crystal panel in the direction intersecting the first signal lines at right angles, third signal lines arranged between the first signal lines, fourth signal lines arranged between the second signal lines, and a time division driving signal generator and a selection driving signal generator. The time division driving signal generator supplies time division driving signals to the first and fourth signal lines. In synchronism with the time division driving signals generated by the time division driving signal generator, the selection driving signal generator supplies selection driving signals to the second and third signal lines.

REFERENCES:
patent: 3848247 (1974-11-01), Sherr
patent: 4119367 (1978-10-01), Raynes et al.
patent: 4231035 (1980-10-01), van Doorn et al.
patent: 4308534 (1981-12-01), Yamamoto
patent: 4342994 (1982-08-01), Lorteije
patent: 4392131 (1983-07-01), Walter
Alt, P. M., "Multiplexing for Large Matrix, Dynamic Scattering, Liquid Crystal Cells," IBM Technical Disclosure Bull., vol. 16, No. 5, (Oct. 1973), pp. 1456-1457.

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