Electrostatic display apparatus

Details Electrostatic display apparatus Electrostatic display apparatus

1987-09-30

1988-11-22

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340792, 34081505, G09G 334

Patent

active

047868988

ABSTRACT:
The present electrostatic display apparatus has its display panel constituted by many electrostatically operated display units arranged along the length and breadth forming a matrix. Each of the display units basically consists of a fixed and a movable electrodes, between which a high-tension voltage is supplied to bend the movable electrode by electrostatic force so as to cover the fixed electrode. With the fixed electrode covered or uncovered, each of the display units has its appearance changed, and serves as one of the dots constituting a pattern to be displayed and the present apparatus can display a static, a moving and a flowing pattern both in a positive image mode and in a negative image mode.

REFERENCES:
patent: 3432846 (1969-03-01), Jones et al.
patent: 3623070 (1971-11-01), Johnson et al.
patent: 3648281 (1972-03-01), Dahms et al.
patent: 4205312 (1980-05-01), Nelson
patent: 4468663 (1984-08-01), Kalt
patent: 4652868 (1987-03-01), Hart

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