Color television tube assembly

Details Color television tube assembly Color television tube assembly

H - Electricity

01

J

313/35.1203, 313

H01J 29/56 (2006.01) H01J 29/51 (2006.01) H01J 29/58 (2006.01)

Patent

CA 1061851

ABSTRACT OF THE DISCLOSURE A color television tube assembly in which the aperture of a control grid of each electron gun is made in the form of an ellipse with its major axis in line with the vertical direction and the lengths of the vertical and horizontal axes of the aperture or actionspace of an electron lens electrode are selected different from each other, whereby the beam spot at the center of the screen may be in the form of a vertically elongated ellipse while the beam spots at the horizontal and vertical edges of the screen are in the form of a horizontally elongated ellipse.

244135

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