Color display tube comprising an in-line electron gun with astig

Details Color display tube comprising an in-line electron gun with astig Color display tube comprising an in-line electron gun with astig

1996-01-02

1998-01-20

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313414, H01J 2946

Patent

active

057104794

ABSTRACT:
A colour display tube has an in-line electron gun for generating three co-planar electron beams first and second lens electrode produce a focusing lens field for focusing the electron beams. At least one of the lens electrodes has a correction element for tuning the astigmatism of the lens field. The correction element includes three co-linear apertures for passing the electron beams, the outer apertures of which are funnel-shaped, the wide end of the funnel-shape being directed away from the center aperture.

REFERENCES:
patent: 4583024 (1986-04-01), Chen
patent: 4626738 (1986-12-01), Gerlach
patent: 5517078 (1996-05-01), Sugawara et al.

Affiliated with

Also associated with

Rating

Color display tube comprising an in-line electron gun with astig does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Color display tube comprising an in-line electron gun with astig, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color display tube comprising an in-line electron gun with astig will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-728248