Color television display apparatus having improved convergence o

Details Color television display apparatus having improved convergence o Color television display apparatus having improved convergence o

1984-10-05

1987-01-13

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313440, 335211, 335214, H01J 2946, H01F 312

Patent

active

046366849

ABSTRACT:
A color television display apparatus comprises a color cathode ray tube (1), an electron gun apparatus (4) disposed in a neck region (2) of the color cathode ray tube (1), a deflection yoke (12) having vertical deflection coils (14) wound about a toroidal-type core (13) and magnetic members (18). Each magnetic member (18) is shaped nearly like a letter U, comprising: a first portion (19) adjacent to the rear end surface of the core (13), extending in a direction perpendicular to the center axis of the neck region (2); a second portion (20) extending backward from the outer end of the first portion (19); and a third portion (21) positioned opposed to the beam exit end of the electron gun apparatus (4) outside the neck region (2), extending in a direction perpendicular to the center axis of the neck region (2). The first portion (19) receives mainly leakage flux existing in the rear end surface of the core (13) and the received flux is transmitted to the third portion (21) through the second portion (20) so as to be emitted to the beam exit end of the electron gun apparatus (4) as an effective magnetic flux.

REFERENCES:
patent: 4257023 (1981-03-01), Kamijo
patent: 4335366 (1982-06-01), Alig et al.

Affiliated with

Also associated with

Rating

Color television display apparatus having improved convergence o 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 television display apparatus having improved convergence o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color television display apparatus having improved convergence o will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2357575