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US 8,264,224 B2Granted
Detection of magnetic fields using nano-magnets
AssigneeUniversity of Seoul Industry Cooperation Foundation
InventorDoyeol Ahn
Life of this patent
Estimating the term…
Abstract
Magnetic field detection techniques and devices are provided. In one embodiment, a device configured to detect a magnetic field includes a first set of nano-magnets and a second set of nano-magnets. The first set of nano-magnets is operable to induce a RF magnetic field, and the second set of nano-magnets is operable to induce a first electrical signal in response to magnetic resonance signals caused by the RF magnetic field.
Claims17
A device for detecting a magnetic field comprising:
- a first set of nano-magnets operable to induce a radio frequency (RF) magnetic field in response to a time-varying electric field;
- a second set of nano-magnets operable to induce a first electrical signal in response to a magnetic resonance signal caused by the RF magnetic field;
- a source configured to provide the time-varying electric field by applying a second electrical signal to the first set of nano-magnets;
- and a detector configured to detect the first electrical signal.
1 more element
A magnetic resonance imaging (“MRI”) device comprising:
- a first set of nano-magnets operable to induce a radio frequency (RF) magnetic field in response to a time-varying electric field;
- a second set of nano-magnets operable to induce a first electrical signal in response to a magnetic resonance signal caused by the RF magnetic field;
- a detector configured to detect the first electrical signal;
- a source configured to provide the time-varying electric field by applying a second electrical signal to the first set of nano-magnets;
- a controller, coupled to both the source and a data processing unit, configured to instruct the source to apply the second electrical signal to the first set of nano-magnets and the data processing unit to collect data related to the first electrical signal;
- and
- the data processing unit configured to create images for display based on the collected data.
4 more elements
A method for detecting magnetic field comprising:
- generating a RF magnetic field from a first set of nano-magnets in response to a time varying electric field;
- exciting spins of a target based on the RF magnetic field;
- generating a magnetic resonance signal from the excited spins of the target;
- inducing a first electrical signal based on the magnetic resonance signal at a second set of nano-magnets and detecting the first induced electrical signal.
1 more element
Dependencies are inferred from the claim text.