DISPLAY BOARD Russian patent published in 1994 - IPC

Abstract RU 2024958 C1

FIELD: publicity. SUBSTANCE: display board has information source 1 and matrix screen 2 mounted in housing 4. Each member of screen 2 is made in the shape of plate 3 of black glass with light guides placed in it. The latters can be made in the form of focons. EFFECT: provision for the normal inspection of the picture under the conditions of the increased external illumination. 3 cl, 3 dwg

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RU 2 024 958 C1

Authors

Sukhov A.V.

Togochiev V.D.

Dates

1994-12-15—Published

1994-03-02—Filed