Method of measuring internal information from a target by using nuclear magnetic resonance
Patent 4573015 Issued on February 25, 1986. Estimated Expiration Date: 
August 23, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 23, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3774103 Methods of deriving image information from objects Patent #: 4290019 InventorsAssigneeApplicationNo. 06/525647 filed on 08/23/1983US Classes:324/309, To obtain localized resonance within a sample324/313Including polarizing magnetic field/radio frequency tuningExaminersPrimary: Tokar, MichaelAttorney, Agent or FirmInternational ClassG01R 33/48 (20060101)Foreign Application Priority Data1982-08-31 JPAbstractThe disclosed method comprises steps of alternately applying a strong static magnetic field and a weak homogeneous static magnetic field to a body being measured (target), selectively exciting nuclear magnetic resonance (NMR) at a specific portion of the target by applying a high-frequency magnetic field and a specifying magnetic field thereto, detecting NMR signals from the thus excited portion, and scanning the target by repeating the selective excitation and the detection. | |
