In-line electron gun system for a colour picture tube...

Details In-line electron gun system for a colour picture tube... In-line electron gun system for a colour picture tube...

H - Electricity

01

J

313/35.18

H01J 29/50 (2006.01)

Patent

CA 1273986

Abstract In a color picture tube (10) with an in-line gun system (14), elliptic beam-spot distortion caused by the deflection field is compensated for by pairs of plates (31) in at least one focus electrode (25, 26). The plates (31) project into the apertures (30) for the electron beams (1, 2, 3) and are located at a distance from the bottom of the focus electrode.

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