Cathode-ray tube having improved 16.times.9 aspect ratio facepla

Details Cathode-ray tube having improved 16.times.9 aspect ratio facepla Cathode-ray tube having improved 16.times.9 aspect ratio facepla

1991-03-11

1992-04-28

Marcus, Stephen

Receptacles

Envelope for electric lamp or similar device

Tv tube

313477R, 313461, 358242, H01J 2986

Patent

active

051079992

ABSTRACT:
The present invention provides an improvement in a cathode-ray tube that includes a rectangular faceplate having two long sides and two short sides wherein the ratio of the length of the long sides to the length of the short sides is approximately 16 to 9. The tube includes a major axis which parallels the two long sides and a minor axis which parallels the two short sides. The improvement comprises the ratio of the equivalent radius of the faceplate curvature along the major axis to the equivalent radius of the faceplate curvature along the minor axis being in the approximate range of 1.5 to 1.6, the ratio of the equivalent radius of the faceplate curvature along the long sides of the faceplate to the equivalent radius of faceplate curvature along the major axis being in the approximate range of 1.12 to 1.15, and the ratio of the equivalent radius of the faceplate curvacute along the long sides of the faceplate to the equivalent radius of faceplate curvature along the short sides being in the approximate range of 1.30 to 1.36.

REFERENCES:
patent: 3720345 (1973-03-01), Logue
patent: 4535907 (1985-09-01), Tokita et al.
patent: 4537321 (1985-08-01), Tokita
patent: 4537322 (1985-08-01), Okada et al.
patent: 4570101 (1986-02-01), Campbell
patent: 4590404 (1986-05-01), D'Amato
patent: 4631439 (1986-12-01), D'Amato et al.
patent: 4777401 (1988-10-01), Hosokoshi et al.
patent: 4786840 (1988-11-01), Ragland
patent: 4839556 (1989-06-01), Ragland
patent: 4881004 (1989-11-01), Inoue et al.
patent: 4887001 (1989-12-01), D'Amato et al.
patent: 4893054 (1990-01-01), Kobayashi
patent: 4924140 (1990-05-01), Hirai et al.
patent: 4943754 (1990-07-01), Hirai et al.
patent: 4985658 (1991-01-01), Canevazzi

Affiliated with

Also associated with

Rating

Cathode-ray tube having improved 16.times.9 aspect ratio facepla 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 having improved 16.times.9 aspect ratio facepla, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cathode-ray tube having improved 16.times.9 aspect ratio facepla will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1241881