Apparatus for providing multiple-species capability of single-sp

Details Apparatus for providing multiple-species capability of single-sp Apparatus for providing multiple-species capability of single-sp

1985-08-19

1987-06-30

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324314, G01R 3320

Patent

active

046773827

ABSTRACT:
Conversion apparatus facilitating acquisition of NMR spectroscopy and/or imaging information from a desired one of a plurality of nuclear species, in a system originally capable of acquiring spectroscopy/imaging information for only a single nuclear species, uses: a first frequency converter to provide an excitation signal by heterodyning the transmitter signal of the single species system to the Larmor frequency of the desired one of the plurality of nuclear species, if that desired species is not the original single species; and a second frequency converter to heterodyne the response signal from the Larmor frequency of the desired nuclear species, if that desired species is not the original single species, to the frequency of the single species. The first and second converters are bypassed if the single original species is the desired species.

REFERENCES:
patent: 4329646 (1982-05-01), Tsuda
patent: 4471305 (1984-09-01), Crooks et al.

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