Color cathode-ray tube having deflection yoke

Details Color cathode-ray tube having deflection yoke Color cathode-ray tube having deflection yoke

1989-08-16

1991-07-02

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335212, 313425, H01F 700

Patent

active

050288989

ABSTRACT:
In a proposed color cathode-ray tube with deflection yoke, adjustment of static convergence and purity is performed by controlling the polarities and magnetization forces of a plurality of pole pieces made of metal alloy circumferentially held around the outer periphery. Tap bolts pressing the external wall of a funnel nearly in the perpendicular direction are so disposed on a deflection yoke mounting member as to be adjacent to the funnel of the color cathode-ray tube. The tap bolts press the funnel to fix the deflection yoke.

REFERENCES:
patent: 3725831 (1973-04-01), Barbin
patent: 4095260 (1978-06-01), Suzuki
patent: 4110793 (1978-08-01), Tajiri
patent: 4117516 (1978-09-01), Yasuhara
patent: 4138628 (1979-02-01), Smith
patent: 4162470 (1979-07-01), Smith
patent: 4215013 (1987-08-01), Brunn et al.
patent: 4310819 (1982-01-01), Morita et al.
patent: 4519456 (1979-06-01), Smith
patent: 4714908 (1987-12-01), Watabe et al.

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