Methods of deriving image information from objects

Details Methods of deriving image information from objects Methods of deriving image information from objects

1979-02-09

1981-09-15

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324309, G01N 2700

Patent

active

042900190

ABSTRACT:
A method of deriving image formation from an object using nuclear magnetic resonance signals comprises the steps of subjecting an object to a static magnetic field along one axis, applying a first gradient to said magnetic field which varies in a direction orthogonal to said axis together with a 90.degree. high frequency pulse, reversing the direction of said magnetic field gradient and simultaneously applying a gradient to said magnetic field which varies in a direction parallel to said one axis and then reversing the direction of said last-mentioned gradient and reading out the free induction signal from said object.

REFERENCES:
patent: 3932805 (1976-01-01), Abe
patent: 4021726 (1977-05-01), Garroway
patent: 4045723 (1977-08-01), Ernst
patent: 4115730 (1978-09-01), Mansfield

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