Cathode ray tube including a magnetic focusing lens

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

1989-04-10

1992-05-26

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313428, 313430, 313431, 313433, 313436, 313440, H01J 2970

Patent

active

051171520

ABSTRACT:
A monochrome cathode ray tube including a magnetic focusing device provided with means for generating a static magnetic focusing field. These means surround the neck of the cathode ray tube without contacting this neck, and a system of correction coils for generating an additional focusing field and 2-, 4- and/or 6-pole fields is provided coaxially between these means and the neck of the tube.

REFERENCES:
patent: 2994803 (1961-08-01), Goldberg
patent: 3150284 (1964-09-01), Comeau
patent: 3504211 (1970-03-01), Takemoto et al.
patent: 3800176 (1974-03-01), Gross et al.
patent: 3984723 (1976-10-01), Gross et al.
patent: 4396897 (1983-08-01), Sluijterman et al.
patent: 4401917 (1983-08-01), Gerritsen
patent: 4443737 (1984-04-01), van Tol
patent: 4455541 (1984-06-01), Nosaka
patent: 4468587 (1984-08-01), Sluyterman
patent: 4642527 (1987-02-01), Takahasi et al.
patent: 4654616 (1987-03-01), Dodds et al.
patent: 4670726 (1987-06-01), Ogata et al.

Affiliated with

Also associated with

Rating

Cathode ray tube including a magnetic 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 magnetic 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 magnetic focusing lens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-422270