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:
Sep. 10, 2024

Filed:

Dec. 08, 2021
Applicant:

Trustees of Boston University, Boston, MA (US);

Inventors:

Xin Zhang, Medford, MA (US);

Stephan Anderson, Cambridge, MA (US);

Xiaoguang Zhao, Charlestown, MA (US);

Guangwu Duan, Cupertino, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/3415 (2006.01); G01R 33/12 (2006.01); G01R 33/34 (2006.01);
U.S. Cl.
CPC ...
G01R 33/3415 (2013.01); G01R 33/12 (2013.01); G01R 33/34038 (2013.01);
Abstract

A passive MRI enhancing embodiment includes a plurality of resonators and increases signal-to-noise ratio of radiofrequency signals emitted by a specimen and captured by an MRI machine. The apparatus increases the magnetic field component of radiofrequency energy during signal transmission from the MRI machine to the specimen, and/or reception of signals from the specimen to the MRI machine. Use of the apparatus improves the images generated by the MRI machine, and/or reduces the time necessary for the MRI machine to capture the image. An isolator embodiment has a nonlinear resonator controllably configurable alternately into an isolation configuration and a transmission configuration, and a second resonator. The nonlinear resonator is coupled to a communications port and is substantially communicatively isolated from the second resonator when the nonlinear resonator is in the isolation configuration, and is communicatively coupled to the second resonator when the nonlinear resonator is in the transmission configuration.


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