Illuminated outdoor advertising installation

Details Illuminated outdoor advertising installation Illuminated outdoor advertising installation

1989-10-18

1991-01-29

Lazarus, Ira S.

Illumination

Light modifier

Translucent or opaque

362812, 40564, G09F 1304

Patent

active

049891260

ABSTRACT:
To produce outdoor advertising installations which are equipped to be illuminated and have different areas appearing, respectively, dark and light by daylight, with the brightness of the different areas being reversed by night under the influence of artificial light acting from the back, areas which appear bright by daylight on the outermost plate (information plate) are back printed with a bright covering and behind that with a dark covering and areas which appear dark by daylight are back printed dark with a regular pattern of lines or points.

REFERENCES:
patent: 1705422 (1929-03-01), Seward et al.
patent: 2608013 (1952-08-01), Marsala
patent: 3390259 (1968-06-01), Angier
patent: 4240220 (1980-12-01), Smith
patent: 4807092 (1989-02-01), Hasegawa
patent: 4891896 (1990-01-01), Bozen

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