Rear projection system with passive display screen

Described herein are systems and techniques for projecting content, periodically or continuously, onto a rear surface of a display medium from behind. The rear projected image is presented on an opposing or front surface of the display medium to a human audience for viewing. Additionally, non-visibl...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HARRISON BEVERLY L, WEATHERFORD WILLIAM THOMAS, COLEY CHRISTOPHER D
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DISPLAY EDUCATION PHYSICS SEALS
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