Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent
1986-05-01
1987-04-14
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Electron or ion beam deflecting type
335214, 335304, H01F 312
Patent
active
046582282
ABSTRACT:
A magnetic device of permanent magnet materials for the control of linearly xtending annular cross-sectioned magnetic fields formed of two concentrically nesting magnetic tubular elements defining an annular space therebetween, and inner and outer cladding magnets radially disposed around the outer of said tubular elements and interiorly of the inner of said tubular elements, the cladding magnets being thicker at the end extremities and diminishing in thickness towards and to the plane of zero magnetic potential at or near the center line of the device measured along its longitudinal axis.
REFERENCES:
patent: 3182234 (1965-05-01), Meyerer
patent: 3205415 (1965-09-01), Seki et al.
patent: 3227931 (1966-01-01), Adler
patent: 3237059 (1966-02-01), Meyerer
patent: 4578663 (1986-03-01), Sanders et al.
patent: 4580120 (1986-04-01), Jacquot
Harris George
Kanars Sheldon
Murray Jeremiah G.
Ryan Maurice W.
The United States of America as represented by the Secreatry of
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