Remote controlled image display device

Details Remote controlled image display device Remote controlled image display device

1975-09-04

1980-02-12

Hum, Vance Y.

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40463, 340373, G09F 1130

Patent

active

041876326

ABSTRACT:
A remote controlled image display device includes an assembly of contrast bodies each of which is pivotally mounted for movement between a position of rest and an optionally arrestable position and exhibits to a viewer in combination with a background surface a contrast picture which depends upon which of the two positions the contrast bodies occupy. Movement of the contrast bodies from the rest position to the arrestable position can be effected in various ways such as by means of flexible control threads attached to the bodies, or by use of air jets, and the bodies are held in the arrestable position by releasable electrostatic attractive forces.

REFERENCES:
patent: 2912674 (1959-11-01), Aiken
patent: 3169241 (1965-02-01), Aiken
patent: 3319246 (1967-05-01), Aiken
patent: 3479759 (1969-11-01), Lattis et al.
patent: 3516086 (1970-06-01), Aiken
patent: 3552048 (1971-01-01), O'Keefe
patent: 3562938 (1971-02-01), Salam

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