Method and apparatus for the reconstruction of nuclear magnetic

Details Method and apparatus for the reconstruction of nuclear magnetic Method and apparatus for the reconstruction of nuclear magnetic

1986-03-26

1988-08-09

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324309, G01R 3320

Patent

active

047630736

ABSTRACT:
In NMR imaging method and apparatus the free induction signal obtained from a slice in an object is detected in a quadrature receiver and is modulated in a modulator and then displayed in a video display and photographed by a camera. The photograph is viewed in coherent light and the image represents the Fourier transformation of the free induction signal and hence is an image of the NMR spin density distribution of selected nuclei in the slice. As an alternative, modulation may be produced by providing a constant offset to the main magnetic field.

REFERENCES:
patent: 3697149 (1972-10-01), Van Heeckeren et al.
patent: 4340862 (1982-07-01), Percival et al.
Filtering Operations Using Coherent Optics, L. J. Cutrona et al., Proc. of Nat. Electronics Conference, vol. 15, 1959.
Article from "Optical Engineering", vol. 24, No. 1, Jan./Feb. 1985 entitled Electron-Beam-Addressed Microchannel Spatial Light Modulator, pp. 119-123.

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