Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent
1981-06-01
1983-08-09
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Electron or ion beam deflecting type
335210, H01F 700
Patent
active
043981666
ABSTRACT:
A compensator for CRT deflection yokes and the like comprises a housing shaped for connection with the deflection yoke, and at least one magnet rotatably mounted therein. Selective rotation of the magnet alters the electromagnetic field produced by the deflection yoke to alleviate distortion in the CRT display. A detented spring arrangement positively and releasably retains the magnet in a set, adjusted angular position in the housing.
REFERENCES:
patent: 3852693 (1974-12-01), Schwalm
patent: 4109220 (1978-08-01), Peart
Broome Harold
Northern Telecom Inc.
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