Colorful advertising device with real article display

Details Colorful advertising device with real article display Colorful advertising device with real article display

1991-05-14

1992-06-23

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Display with special effects

Selective or intermittent illumination

40560, 359 36, 359 84, G09F 1300

Patent

active

051231921

ABSTRACT:
A show window includes a liquid crystal display plate which is alternatingly caused to become transparent in order to permit viewing of a static object displayed behind the window, and translucent in order to form a screen for projection of a slide onto the window in order to permit viewing of the slide through the window.

REFERENCES:
patent: 3797914 (1974-03-01), Aiken
patent: 4035941 (1977-07-01), Deffner
patent: 4739567 (1988-04-01), Cardin
patent: 4818980 (1989-04-01), Strosser et al.

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