Analogue displays

Details Analogue displays Analogue displays

1980-01-25

1982-04-20

Miska, Vit W.

Horology: time measuring systems or devices

Displays or display device details

Optical

368242, 340765, 340805, G04C 1702, G06F 314

Patent

active

043262791

ABSTRACT:
An analogue display includes an electrical sensitive medium enclosed between two sets of electrodes. The two sets of electrodes are registered and overlap to provide background and one or more shaped index characters, each at a plurality of selectable positions. Voltage signals are applied to the electrodes so that the medium is held in an OFF state in the region between selected electrodes, while simultaneously voltage signals are applied so that in other regions of the medium, the medium is in an ON state. The medium may be of liquid crystal, electroluminescent or gaseous material. One set of electrodes may have a meander configuration, the other set a segmented configuration. The index character or characters may be displayed at one, two or three positions, each character being of different shape, for meter or timepiece applications. The voltage signals applied may be binary coded and in preference pseudo-random sequence binary codes.

REFERENCES:
patent: 3894389 (1975-07-01), Miura et al.
patent: 4117472 (1978-09-01), Freer et al.
patent: 4119367 (1978-10-01), Raynes et al.
patent: 4186395 (1980-01-01), Fujita et al.
patent: 4203104 (1980-05-01), Kmetz
patent: 4212011 (1980-07-01), Waldron
patent: 4212159 (1980-07-01), Noble et al.
patent: 4227193 (1980-10-01), Shanks
patent: 4250503 (1981-02-01), Shanks

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