Colour display tube

Details Colour display tube Colour display tube

H - Electricity

01

J

316/11, 313/35.1

H01J 9/00 (2006.01) H01J 29/48 (2006.01) H01J 29/50 (2006.01) H01J 29/56 (2006.01) H01J 29/62 (2006.01)

Patent

CA 1206511

-9- ABSTRACT: "Colour display tube". The astigmatism of the electron beams (6, 7. 8) generated by an electron gun system (5) can be consider- ably reduced by constructing the lens electrode components (25, 26) between which the focusing lens is formed in an operating electron gun to be identical. The lens electrode components should be provided with the corresponding sides (45, 46) facing each other and with the corresponding apertures (38, 42) opposite to each other.

434898

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