High speed NMR imaging system
Patent 4579121 Issued on April 1, 1986. Estimated Expiration Date: 
April 1, 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.
April 1, 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 ReferencesImaging systems Imaging systems Methods of deriving image information from objects Coil arrangements Use of phase alternated RF pulses to eliminate effects of spurious free induction decay caused by imperfect 180 degree RF pulses in NMR imaging Methods of producing image information from objects Patent #: 4451788 InventorApplicationNo. 06/467661 filed on 02/18/1983US Classes:600/410, Magnetic resonance imaging or spectroscopy324/309To obtain localized resonance within a sampleExaminersPrimary: Howell, Kyle L.Assistant: Jaworski, Francis J. Attorney, Agent or FirmInternational ClassesG01R 33/48 (20060101)G01R 33/50 (20060101) G01R 33/561 (20060101) G01R 33/54 (20060101) AbstractA cross-sectional image of the NMR activity in the body is formed by taking a sequence of projections, each having a different transverse gradient structure. Following each excitation the spins in the cross section are driven back to equilibrium. For imaging relaxation times, the sequence of projection signals are processed so as to represent an acquisition at a specific desired time. | |
