Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Electrical energy storage device – inductor – transformer,...
Patent
1991-07-10
1995-01-03
Picard, Leo P.
Superconductor technology: apparatus, material, process
High temperature devices, systems, apparatus, com- ponents,...
Electrical energy storage device , inductor, transformer,...
324248, 335216, H01F 722
Patent
active
053790189
ABSTRACT:
A magnetic switch for recording the change in position of a magnetic field includes a first object on which is positioned a source of magnetic force for creating a magnetic field and a second object on which is positioned at least one type II superconducting medium. The type II superconducting medium exhibits a permanent magnetic component after exposure to a magnetic field, such that relative motion between the first object and the second object causes the magnetic field to induce a residual magnetization in the superconducting medium. A device for sensing the direction of a magnetic field includes a first type II superconducting medium adapted to exhibit a permanent magnetic component after exposure to a magnetic field having a first direction, a second type II superconducting medium adapted to exhibit a permanent magnetic component after exposure to a magnetic field having a second direction orthogonal to the first direction, and a third type II superconducting medium adapted to exhibit a permanent magnetic component after exposure to a magnetic field having a third direction orthogonal to the first and second directions.
REFERENCES:
patent: 3691491 (1972-09-01), Massar
patent: 4489274 (1984-12-01), Berlincourt
patent: 4797386 (1989-01-01), Gyorgy et al.
patent: 5075280 (1991-12-01), Pisharody et al.
De Wames Roger E.
Goldberg Ira B.
Hall William F.
Marshall David B.
Morgan Peter E. D.
Barrera Raymond
Deinken John J.
Picard Leo P.
Rockwell International Corporation
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