Liquid-crystal display method and information-processing apparat

Details Liquid-crystal display method and information-processing apparat Liquid-crystal display method and information-processing apparat

1975-11-18

1976-10-26

Bauer, Edward S.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 6ND, G02F 113

Patent

active

039880567

ABSTRACT:
The invention concerns liquid-crystal display methods and their application to radar screens. The invention provides a method which consists in thermally writing on a layer of liquid-crystal two successive patterns which are combined in accordance with a law designated A .times. B in Boolean algebra by the way of a reorienting biasing voltage applied during the writing in of the second of said pattern.

REFERENCES:
patent: 3775757 (1973-11-01), Taylor et al.
patent: 3796999 (1974-03-01), Kahn
patent: 3836243 (1974-09-01), Melchior

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