PERMANENT MAGNET EMPLOYING AN ADJUSTABLE SHUNT INTERNALLY OF THE PERMANENT MAGNET STRUCTURE
United States Patent 3460083
US Patent References:
Variable-field permanent magnet
- - 3018422
Permanent magnet assembly
- - 3187237
Negative temperature coefficient means for a magnet structure
- - 3325757
Negative temperature coefficient shunt means for magnetic structures
- - 3325758
Variable-field permanent magnet
- - 3018422
Permanent magnet assembly
- - 3187237
Negative temperature coefficient means for a magnet structure
- - 3325757
Negative temperature coefficient shunt means for magnetic structures
- - 3325758
Inventors:
Johnson, Richard L.
Publication Date:
08/05/1969
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Assignee:
VARIAN ASSOCIATES
Primary Class:
Other Classes:
335/301
International Classes:
C01G23/02; H01F7/02; C01G23/00; H01F3/12