Sample and hold circuit for a liquid crystal display screen

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

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Details

340805, 307353, G09G 336, G09G 300, H03K 5159

Patent

active

052529568

ABSTRACT:
Sample and hold circuit for a liquid crystal display screen. The circuit comprises two stages, the first with switched capacitance the second with an amplifier device. Application to the control of liquid crystal display screens.

REFERENCES:
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patent: 4781437 (1988-11-01), Shields et al.
patent: 4799057 (1989-01-01), Takeda et al.
patent: 4823027 (1989-04-01), Takahashi
patent: 4978872 (1990-12-01), Morse et al.
patent: 5017914 (1991-05-01), Uchida et al.

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