Indicator device with electric control of displacement of a flui

Details Indicator device with electric control of displacement of a flui Indicator device with electric control of displacement of a flui

1984-03-22

1987-01-13

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340783, 340787, 340788, 350355, G09G 320

Patent

active

046367853

ABSTRACT:
The displacement of a fluid is controlled electrically in a device employed primarily for storage and display of digital data. The device comprises a capillary space delimited by two confinement plates, the internal faces of which are fitted with electrodes connected to an electric generator. The capillary space is shared by two immiscible fluids and at least one displaceable fluid marker is created within the capillary space in the form of a globule of the fluid which has the highest dielectric permittivity.

REFERENCES:
patent: 3648269 (1972-03-01), Rosenweig et al.
patent: 3936816 (1976-02-01), Murata
patent: 4402062 (1983-08-01), Batchelder
patent: 4418346 (1983-11-01), Batchelder
patent: 4569575 (1986-02-01), Le Pesant et al.

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