Magnet support collar

Details Magnet support collar Magnet support collar

1982-11-08

1984-05-15

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

313431, H01F 100

Patent

active

044491093

ABSTRACT:
A magnetic compensation device is disclosed for use with a cathode ray tube which includes a strip having a plurality of holes distributed linearly along the strip. A plurality of fasteners, each fastener comprising a base and a shaft substantially perpendicular to the base, passes through a selected one of the holes in the supporting strip. At least one of the fasteners engages two holes in opposite ends of the strip to hold the strip in a hoop shape. The strip is adhesively secured to a deflection yoke. A plurality of ring-shaped magnets are provided with one such magnet being received on the shaft of selected fasteners. The washer-shaped permanent magnets are positioned about the deflection yoke at equal angles with the axis of rotation of the magnets lying in planes transverse to the central axis of the cathode ray tube.

REFERENCES:
patent: 2717323 (1955-09-01), Clay
patent: 2854598 (1958-09-01), Baermann
patent: 2972074 (1961-02-01), Vasilevskis
patent: 3106658 (1963-10-01), Chandler et al.
patent: 3296570 (1967-01-01), Uetake et al.
patent: 4197487 (1980-04-01), Takenaka et al.
patent: 4198614 (1980-04-01), Ragland

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