Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1982-08-09
1985-08-13
Karlsen, Ernest F.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
335216, G01R 3308
Patent
active
045352917
ABSTRACT:
Component coils for providing a desired magnetic field distribution, which coils are subject to interaction via mutual inductance thereof, are connected each to respective current regulated power supplies whereby the interaction is compensated. Circuits are provided to control selected pluralities of interacting coils via persistence switches with minimum number of control leads in order to reduce the thermal communication to the interior of a cryostat housing the magnet and persistence switches.
REFERENCES:
patent: 2589494 (1952-03-01), Hershberger
patent: 3412320 (1968-11-01), Marshall
patent: 4164777 (1979-08-01), Kneip, Jr. et al.
patent: 4173775 (1979-11-01), Kneip, Jr.
Anderson Marvin H.
Kneip, Jr. George D.
Lee Reuy-Lin
Berkowitz Edward H.
Cole Stanley Z.
Karlsen Ernest F.
O'Shea Kevin D.
Varian Associates Inc.
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