Device for radial, static and dynamic convergence of electron be

Details Device for radial, static and dynamic convergence of electron be Device for radial, static and dynamic convergence of electron be

1972-03-03

1976-01-27

Feinberg, Samuel

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

335213, H01J 2956

Patent

active

039355063

ABSTRACT:
Thus far a substantial amount of energy was required for the two coils for the dynamic line frequency convergence in a device for radial, static and dynamic convergence. So as to improve this situation, a magnetic bridge is arranged between the two legs of a U-shaped electromagnet forming part of the convergence device, the magnetic resistance of this bridge being comparatively small in the magnetic circuit of the coils for the dynamic line frequency convergence and comparatively large in the magnetic circuit of the coils for the static and field frequency convergence.

REFERENCES:
patent: 2880339 (1959-03-01), Kroger
patent: 3422303 (1969-01-01), Chipman
patent: 3560793 (1971-02-01), Payen
patent: 3688156 (1972-08-01), Utsunomiya et al.
patent: 3717788 (1973-02-01), Rogers

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