Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1991-06-12
1991-12-10
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
335298, H01F 702
Patent
active
050722042
ABSTRACT:
A magnetic dipole of varying magnitude and orientation is disclosed wherein he dipole is comprised of an outer magnetic shell and an inner magnetic sphere which is rotatably mounted within the outer magnetic shell. Both the outer shell and the inner sphere are mode of magnetically rigid material and are each magnetized in a uniform direction parallel to a single longitudinal axis. The inner sphere is preferably rotated within the outer shell via a non-magnetic means such as a rod.
REFERENCES:
patent: 3223898 (1965-12-01), Bey
patent: 4758813 (1988-07-01), Holsinger et al.
patent: 4862128 (1989-08-01), Leupold
patent: 4994778 (1991-02-01), Leupold
Anderson William H.
Barrera Ramon M.
Picard Leo P.
The United States of America as represented by the Secretary of
Zelenka Michael
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