In-line electron gun with non-circular apertures

Details In-line electron gun with non-circular apertures In-line electron gun with non-circular apertures

1996-07-17

1998-09-15

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313414, 313409, 313417, 313421, H01J 2951

Patent

active

058084061

ABSTRACT:
An in-line electron gun includes an electron beam forming area formed with first and second grids, a main electrostatic focusing lens with first and second accelerating/focusing electrodes, and a shield cup. The first accelerating/focusing electrode is formed in a horizontally elongated rectangular hole and has an elliptical electrode in which electron beam passing holes are formed. The second accelerating/focusing electrode is formed in a horizontally elongated rectangular hole, and the shield cup has a bottom in which non-circular holes are formed.

REFERENCES:
patent: 4086513 (1978-04-01), Evans, Jr.
patent: 4599534 (1986-07-01), Shirai et al.
patent: 4766344 (1988-08-01), Say
patent: 4990822 (1991-02-01), Guzowski et al.

Affiliated with

Also associated with

Rating

In-line electron gun with non-circular apertures does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with In-line electron gun with non-circular apertures, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In-line electron gun with non-circular apertures will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-91786