1976-07-27
1979-02-13
Pendegrass, Verlin R.
350350, G02F 113
Patent
active
041392787
ABSTRACT:
A liquid crystal display device has a power source, a voltage converter, a liquid crystal display cell and a control signal generator. The voltage supplied from the power source to the converter is converted into a voltage for operating the liquid crystal display cell and such converted voltage is supplied to the liquid crystal display cell while a control signal derived from the control signal generator is also applied to the liquid crystal display cell, thereby effecting display.
REFERENCES:
patent: 3675988 (1972-07-01), Soref
patent: 3727527 (1973-04-01), Borowski
patent: 3774195 (1973-11-01), Schulthess
patent: 3818495 (1974-06-01), Sagana
patent: 3820875 (1974-06-01), Bohmer
patent: 3883252 (1975-05-01), Ando
patent: 3994595 (1976-11-01), Nobusawa
patent: 4039252 (1977-08-01), Mizuno
patent: 4043634 (1977-08-01), Nakamura
Ayata Naoki
Matsufuji Yoji
Matsumoto Seiichi
Ohkubo Yukitoshi
Tsunekawa Tokuichi
Canon Kabushiki Kaisha
Pendegrass Verlin R.
Walsh Donald P.
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