The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 25, 2018

Filed:

Oct. 31, 2012
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Kosuke Ito, Tokyo, JP;

Masahiro Takizawa, Tokyo, JP;

Assignee:

HITACHI, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/44 (2006.01); A61B 5/055 (2006.01); G01R 33/24 (2006.01); G01R 33/3415 (2006.01); G01R 33/565 (2006.01);
U.S. Cl.
CPC ...
G01R 33/443 (2013.01); A61B 5/055 (2013.01); G01R 33/246 (2013.01); G01R 33/3415 (2013.01); G01R 33/5659 (2013.01);
Abstract

To obtain the irradiation magnetic field distribution of each channel of a multichannel transmission RF coil at high speed, for multiple channels which are all or some of the channels of the transmission coil, an image is acquired by irradiation with one channel or a combination of two or more channels, an irradiation magnetic field distribution upon irradiation with all of the multiple channels is acquired, and the irradiation magnetic field distribution of each channel is calculated using the acquired irradiation magnetic field distribution of all of the multiple channels and the phase difference calculated from the image of each channel and the image of all of the multiple channels.


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