Compensating Temperature-Dependent Changes in Magnetic Field
AssigneeSiemens Healthineers AG
InventorsAndrew Dewdney, Manuela Rösler, Jeffrey Lyness
Life of this patent
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Abstract
A magnetic resonance device, including: a cold mass with a main magnet; at least one temperature sensor configured to ascertain temperature data of the cold mass; a control unit configured to receive the temperature data from the at least one temperature sensor; and a radio-frequency unit configured to output an output signal in order to generate a radio-frequency field, wherein a system frequency of the magnetic resonance device depends on a temperature of the cold mass, and wherein the control unit and/or the radio-frequency unit are configured to adjust a frequency of the output signal based on the temperature data.
Claims12
A magnetic resonance device, comprising:
- a cold mass with a main magnet;
- at least one temperature sensor configured to ascertain temperature data of the cold mass;
- a control unit configured to receive the temperature data from the at least one temperature sensor;
- and
- a radio-frequency unit configured to output an output signal to generate a radio-frequency field,
- wherein a system frequency of the magnetic resonance device depends on a temperature of the cold mass, and wherein the control unit and/or the radio-frequency unit are configured to adjust a frequency of the output signal based on the temperature data.
Dependencies are inferred from the claim text.