Deviator for an auto convergent color picture tube and its metho

Details Deviator for an auto convergent color picture tube and its metho Deviator for an auto convergent color picture tube and its metho

1983-09-30

1985-08-27

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335212, 313421, H01F 700

Patent

active

045381283

ABSTRACT:
A deviator associated with an autoconvergent color image tube is modified so that it may be used in combination with a tube of the same type, but having an image screen of smaller size, the horizontal and/or vertical deviation center being displaced. According to the invention, a magnetic screen is placed across the magnetic field lines produced by the vertical and horizontal deviation coils whereby the deviation centers are displaced without any modification of the coils.

REFERENCES:
patent: 2763804 (1953-12-01), Morrell
patent: 3831051 (1974-08-01), Ohgoshi et al.
patent: 4231009 (1980-10-01), Barkow
patent: 4237437 (1980-12-01), Vink et al.
patent: 4242612 (1980-12-01), Heijnemans et al.
patent: 4272727 (1981-06-01), Nieuwendijk et al.
patent: 4409578 (1983-10-01), Beelaard et al.

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