Multi-mode adjustable magic ring

Details Multi-mode adjustable magic ring Multi-mode adjustable magic ring

1995-10-16

1996-06-04

Tolin, Gerald P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335298, H01F 702

Patent

active

055237320

ABSTRACT:
A permanent magnet structure providing an internal magnetic field having an djustable magnitude and direction. The structure utilizes a shell composed of a predetermined number of concentric permanent magnet cylinders, each of which generates a discrete tunable magnetic field for tuning the magnitude and direction of the internal working field. Depending on the magnitude and direction of each discrete magnetic field, the magnitude and direction of the working field can be controlled and adjusted as desired.

REFERENCES:
patent: 4538130 (1985-08-01), Gluckstern et al.
patent: 4639673 (1987-01-01), Zijlstra
patent: 4758813 (1988-07-01), Holsinger et al.
patent: 4837542 (1989-06-01), Leupold
patent: 4862128 (1989-08-01), Leupold
patent: 5216401 (1993-06-01), Leupold
patent: 5237301 (1993-08-01), Unkelbach et al.

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