Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1986-06-26
1988-07-26
Levy, Stewart J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324307, G01R 3320
Patent
active
047603380
ABSTRACT:
In an imaging apparatus and a method for producing a two-dimensional image of an object under medical examination, a composite selective RF pulse is produced in a transmitter unit. The composite selective RF pulse is constituted of a second RF 90.degree. pulse and a third RF 90.degree. pulse. Under the control of a system processor, the second RF 90.degree. pulse is firstly applied to the object and the third RF 90.degree. pulse is secondly applied thereto under the same polarity of the field gradient after providing an time interval.
REFERENCES:
patent: 4564813 (1986-01-01), Young et al.
patent: 4613949 (1986-09-01), Glover et al.
patent: 4656424 (1987-04-01), Tsur et al.
Kose Katzumi
Satoh Kozo
Arana Louis M.
Kabushiki Kaisha Toshiba
Levy Stewart J.
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