Very large color video matrix display apparatus with constant-cu

Facsimile and static presentation processing – Facsimile – Recording apparatus

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358 56, 358 59, 358 64, 358230, 358242, 3151691, 340766, 340767, 340812, H04N 312, H04N 912, H04N 916, G09G 320

Patent

active

046865756

ABSTRACT:
A video display system is disclosed, which includes a display device including a plurality of luminescent display cells arranged in an X-Y matrix form, each of the display cells having a cathode, a grid and a luminescent target electrode, a video signal source for supplying a video signal and a driving circuit for supplying the video signal to each of the display cells such that each of the display cells is turned on and off in accordance with the level of the video signal and a picture is reproduced on the display device. A driving circuit turns on each of the display cells such that a constant current flows therethrough so that a display with a very uniform brightness is obtained.

REFERENCES:
patent: 4241294 (1980-12-01), Fisler
patent: 4368485 (1983-01-01), Midland
patent: 4491863 (1985-01-01), Kkurahashi
patent: 4540983 (1985-09-01), Morimoto et al.
patent: 4581655 (1986-04-01), Ide et al.
Iwade, Motoho, et al., "Vacuum Fluorescent Display for TV Video Images", 1981 SID International Symposium, 28-30 Apr. 1981, New York, SID 81 Digest, vol. XII, pp. 136-137.
Andrews, B., "Techniques for Driving Digital Displays", Electronic Engineering, Apr. 1980, pp. 39-48.
Tamura, Mitsuru, "Developmental Pace Picking Up for VFDS for TV Video Image", JEE, Sep. 1981, pp. 55-59.

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