Cathode ray tube including a helical focusing lens

Details Cathode ray tube including a helical focusing lens Cathode ray tube including a helical focusing lens

1989-09-18

1990-10-02

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313450, H01J 2946, H01J 2956

Patent

active

049610236

ABSTRACT:
Cathode ray tube having an electron gun which comprises a beam-shaping part and a focusing structure, which structure comprises a hollow tube with a helical electrically conducting glass-enamel layer on the inner surface. Together with the hollow tube, the components of the beam-shaping part are secured to axial mounting rods via metal supporting elements. The tube has a first and a second end face each of which is fixedly connected in one embodiment to a metal plate having a coaxial opening provided with a flange, which flange projects into the tube and is fused in an electrically conducting manner to the electrically conducting glass-enamel layer of the focusing structure.

REFERENCES:
patent: 3375390 (1968-03-01), Schlesinger
patent: 3909655 (1975-09-01), Grimmett et al.
patent: 4857797 (1989-08-01), Vrijssen

Affiliated with

Also associated with

Rating

Cathode ray tube including a helical focusing lens does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cathode ray tube including a helical focusing lens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cathode ray tube including a helical focusing lens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-294365