Display screen allowing for the visual display of the contour of

Details Display screen allowing for the visual display of the contour of Display screen allowing for the visual display of the contour of

1989-05-31

1992-03-10

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

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

340805, 359 55, 359 87, G09G 300, G02F 11343

Patent

active

050953060

ABSTRACT:
A display screen allowing for the visual display of the contour of an image and a method for controlling such a screen. According to the present invention, the counterelectrode is etched on elementary motifs electrically insulated from each other. Each motif covers part of the addressed electrodes. The display of the image is effected normally, but with the possibility of having its contour appear without using additional means. Such a device finds particular application for display screens.

REFERENCES:
patent: 4589733 (1986-05-01), Yaniv et al.
patent: 4626841 (1986-12-01), Togashi
patent: 4639087 (1987-01-01), Cannella
patent: 4712872 (1987-12-01), Kanbe et al.
patent: 4776676 (1988-10-01), Inoue et al.
patent: 4782337 (1988-11-01), Clerc et al.
Japanese Patent Abstract, vol. 10, No. 149 (P--461), 2206, 30.5.1986 & JP--A--61 311.9 (Canon K.K.).

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