Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1981-09-10
1983-05-31
Martin, John C.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358242, H04N 922, H04N 568
Patent
active
043863647
ABSTRACT:
An image display apparatus includes a phosphor screen which is divided into a plurality of phosphor screen portions arranged in both horizontal and vertical directions, a set of an electron gun and horizontal and vertical deflection devices provided in opposed relation to each of the divided phosphor screen portions, the electron gun being formed integrally of a common metal plate at plural divided phosphor screen portions at least adjacent in both horizontal and vertical directions, a circuit for driving the deflecting devices at the same time over all the surface of the phosphor screen, a circuit for the vertical deflection device at a horizontal period in a step, a device for memorizing at least one period of a video signal, and a circuit for dividing the video signal in accordance with the division in the horizontal direction, reading out divided video signals separately and simultaneously and supplying read-out video signals to the electron guns arranged on one line in the horizontal direction, wherein the phosphor screen is formed of red, green and blue color phosphor stripes and a black guard band, which are repeated arranged with a predetermined pitch, the guard band being located at a position coincident with the divided position of the phosphor screen in the horizontal direction.
REFERENCES:
patent: 4158210 (1979-06-01), Watanabe et al.
Eslinger Lewis H.
Martin John C.
Sinderbrand Alvin
Sony Corporation
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