Communications: electrical – Systems – With specific power supply
Patent
1973-09-11
1976-05-04
Curtis, Marshall M.
Communications: electrical
Systems
With specific power supply
58 50R, 350150, 350160P, G06F 314
Patent
active
039551903
ABSTRACT:
An electro-optical digital display particularly suited for use in an electronic wristwatch is provided. The display includes a transparent ceramic material formed as a plate having a pair of opposed major surfaces. Circuitry selectively applying an electric field to the ceramic material, the circuitry including a first transparent electrode engaging a first major surface of the plate and a second reflective electrode adapted to reflect light incident thereon provided from the second major surface of the plate. The first transparent electrode is segmented to define selected regions of application of an electric field to the selective regions of a ceramic plate. A polarization device for circular polarization is disposed adjacent the transparent electrode in the path of incident light upon the transparent electrode, incident light being reflected at selected regions by the reflective electrode in response to the selective energization of the segmented and reflective electrodes, the plate appearing opaque to incident light in the absence of such selective energization.
REFERENCES:
patent: 3499112 (1970-03-01), Heilmeier et al.
patent: 3505804 (1970-04-01), Hofstein
patent: 3531182 (1970-09-01), Land et al.
patent: 3541543 (1970-11-01), Crawford et al.
patent: 3555987 (1971-01-01), Browning
patent: 3666666 (1972-05-01), Haertling
patent: 3799647 (1974-03-01), Luft
Ferroelectric Electrooptic Ceramics with Reduced Scattering Thatcher et al.; IEEE Trans. Vol. ED-16; No. 6; June 1969, pp. 517-21.
Ferroelectric Ceramic Electrooptic Materials and Devices; Land et al., Proc. IEEE (May 1969), Vol. 57, pp. 751-768.
Ferroelectric Ceramic Light Gates Operated in a Voltage Controlled Mode Maldonado et al., IEEE Trans; Vol. ED-17, No. 2; Feb. 1970, pp. 148-157.
Strain-Biased PLZT Input Devices for Holographic Memories and Optical Data Processing; Roberts; Applied Optics, Vol. 11, No. 2, Feb. 1972, pp. 397-404.
Curtis Marshall M.
Kabushiki Kaisha Suwa Seikosha
LandOfFree
Electro-optical digital display does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electro-optical digital display, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electro-optical digital display will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-683186