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Abstract
The results of an optical investigation of a nematic layer acted by a pressure gradient and an electric field in a sandwich-like liquid crystal cell with striped electrodes are presented. The time-dependent harmonic pressure gradient changed an initially homeotropic orientation of layer of the nematic mixture with a positive permitivity anisotropy. The stabilizing electric voltage was applied to the each stripe. As a value of the voltage could be varied for different stripes independently they showed an individual reaction on the pressure gradient.