Automatic RF frequency adjustment for magnetic resonance scanner

Details Automatic RF frequency adjustment for magnetic resonance scanner Automatic RF frequency adjustment for magnetic resonance scanner

1987-04-29

1989-02-21

Smith, Jerry

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

G01R 3308

Patent

active

048068667

ABSTRACT:
An MR scanner performs a prescan before each MR scan sequence in which the optimal RF excitation frequency is automatically determined and applied to the scanner's transceiver. The prescan sequence includes a pair of MR measurements which provide data that allows the precise RF excitation frequency to be determined.

REFERENCES:
patent: 3609519 (1971-09-01), Seki
patent: 4171511 (1979-10-01), Hill
patent: 4543529 (1985-09-01), Mee
"Operating the Signa System", Operator Manual, vol. 2, 1/30/85; Rev. 2.
"Patient Preparation and the MR Exam", Operator Manual, vol. 3, 6/13/86; Rev. 8.
"Operating The Signa.TM. System", Operator Manual, vol. 2, 6/13/86; Rev. 10.

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