Correction device, correction method, and magnetic resonance imaging apparatus
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United States of America Patent
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Apr 28, 2020
Grant Date -
Apr 12, 2018
app pub date -
Aug 31, 2017
filing date -
Oct 11, 2016
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Abstract
According to one embodiment, a correction device is used for an apparatus including a coil and a conductor in a vicinity of the coil. The correction device corrects an influence of a magnetic field generated by the conductor when a current flows through the coil. The correction device includes a first measuring device, a second measuring device, and a control device. The first measuring device measures a first signal of the coil. The second measuring device measures a second signal of the coil, which is different from the first signal. The control device estimates the influence acting on the coil, based on a difference between the first signal filtered by a first filter and the second signal filtered by a second filter. Furthermore, the control device controls a command signal for flowing the current to the coil, based on an estimation result of the influence.
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