Color-picture tube without shadow mask and with only one...

Details Color-picture tube without shadow mask and with only one... Color-picture tube without shadow mask and with only one...

H - Electricity

01

J

316/13, 313/35.1

H01J 29/18 (2006.01) H01J 29/72 (2006.01) H01J 31/20 (2006.01)

Patent

CA 1163304

Abstract A color-picture tube of the type having a screen coated with groups of horizontal phosphor stripes is described. Instead of the usual three electron guns, only one electron gun is used. A deflection system causes the electron beam from the electron gun to scan across the screen along, the phosphor stripe groups in the horizontal direction. The chromati- city of the respective color to be produced is determined by the position of the electron spot within a phosphor stripe group and by the spot size. The luminance is controlled by the beam current.

370860

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