H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/1.1
H01J 31/20 (2006.01) H01J 31/12 (2006.01) H04N 9/12 (2006.01)
Patent
CA 1164920
ABSTRACT OF THE DISCLOSURE 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 vertical directions, a circuit for driving the deflecting device at the same time over all the surface of the phosphor screen, a circuit for driving 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 repeatedly arranged with a predetermined pitch, the guard band being located at a position coincident with the divide position of the phosphor screen in the horizontal direction.
385750
Gowling Lafleur Henderson Llp
Sony Corporation
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