Nonlinear resistor control circuit and use in liquid crystal dis

Details Nonlinear resistor control circuit and use in liquid crystal dis Nonlinear resistor control circuit and use in liquid crystal dis

1991-09-06

1993-06-15

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

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

340719, 359 57, G09B 336

Patent

active

052203166

ABSTRACT:
A control circuit comprises a combination of two or more nonlinear resistor elements having a common electrical junction and a nonlinear current/voltage characteristic, the impedance at the common electrical junction being controlled in accordance with switching voltages applied to the nonlinear resistor elements. These nonlinear resistor elements may be connected to one terminal of a load element, such as a liquid crystal element or a printing element. An array of such load elements, such as printing elements or liquid crystal elements of the microencapsulated type, combined with these nonlinear resistor elements form, respectively, a printing engine or display device. The nonlinear resistor elements are composed of semiconducting or conducting powder particles bonded together with an insulating or semiconducting binder.

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