Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent
1979-03-21
1980-11-11
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Electron or ion beam deflecting type
335210, H01F 700
Patent
active
042335817
ABSTRACT:
An improved color television picture tube static convergence device having a guide-member with bent ledges which slidably mate with circular grooves in sides of non-magnetic rings, the guide-member having a hole for radially positioning a rod with a knob and a pinion which engages mating bevel gears in a conventional magnetic ring pair positioned between the non-magnetic rings.
REFERENCES:
patent: 2525919 (1950-10-01), Loughren
patent: 4065737 (1977-12-01), Anthony
patent: 4100518 (1978-07-01), Smith
GTE Products Corporation
Harris George
Lindgren Theodore D.
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