Construction of an epid bar graph

Details Construction of an epid bar graph Construction of an epid bar graph

1981-12-24

1984-05-22

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340787, 204299R, G09G 300

Patent

active

044504403

ABSTRACT:
An electrophoretic bar graph display is provided wherein the number of electrodes is significantly reduced. This occurs by application of one of three voltage values to each of a plurality of electrodes at one side of the display in accordance with the value to be displayed, and one of two voltage values to each of a number of electrodes at the other side of the display corresponding to each one of the plurality. The two voltage values alternate in value with the three voltage values. A cursor type display can also be provided having an indication segment of contrasting color from the remaining electrophoretic fluid.

REFERENCES:
patent: 4041481 (1977-08-01), Sato
patent: 4062009 (1977-12-01), Raverdy et al.
patent: 4203106 (1980-05-01), Dalisa et al.
patent: 4218302 (1980-08-01), Dalisa et al.

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