Color image display apparatus

Details Color image display apparatus Color image display apparatus

1982-01-28

1984-05-29

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358230, 358242, 315366, 340781, H04N 912, H04N 916

Patent

active

044518463

ABSTRACT:
A flat type color display apparatus includes a phosphor screen and 15 horizontal line cathodes activated in turn from the top one to the bottom one. An electron beam control means and a beam deflection means are provided. Each horizontal line cathode emits a horizontal sheet-shaped electron beam which is vertically deflected in 16 steps, and is divided into 320 rod-shaped electron beams by 320 vertically oblong slits and individually controlled of its intensity by 320 beam-control electrodes. The rod-shaped electron beams are horizontally deflected each selectively impinging R, G and B vertical phosphor stripes in turn. In the operation circuit, R, G and B video signals are sampled and held in R, G and B parts of 320 sample-hold circuits, and stored at one time in 320 memories for respective colors, and time sharingly applied to the respective beam-control electrodes. A color video image is thereby displayed of 240 lines each having 320 picture elements.

REFERENCES:
patent: 3800186 (1974-03-01), Yamane
patent: 3992644 (1976-11-01), Chodil
patent: 4158210 (1979-06-01), Watanabe
patent: 4170771 (1979-10-01), Bly
patent: 4170772 (1979-10-01), Bly

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