Variable intensity display device

Details Variable intensity display device Variable intensity display device

1974-04-08

1976-03-02

Griffin, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

340324M, 340335, 178DIG3, 313522, H04N 316, G09B 1300, G08B 2300

Patent

active

039419266

ABSTRACT:
A large display system capable of displaying a video image receives video signals, quantizes those signals to produce a digital code capable of representing variations in the light content of the image and processes the digital code so as to control individual display devices on a large matrix of such devices to have different levels of visibility to thereby reproduce the video image for viewing by a large audience. A data processor is optionally utilized to store the digital representation of the video image in memory so that on line or off line presentations can be made.

REFERENCES:
patent: 3752910 (1973-08-01), Lewis
patent: 3761617 (1973-09-01), Tsuchiya
patent: 3786474 (1974-01-01), Miller
patent: 3793629 (1974-02-01), Sharpless
patent: 3863023 (1975-01-01), Schmersal et al.
"Parallel Adressed Multiplexed-Driver Plasma Display," by D. E. Little, Conference, 1972, Sid Symposium, June 6, 1972.

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