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Class Information
Number: 324/308
Name: Electricity: measuring and testing > Particle precession resonance > Using a nuclear resonance spectrometer system > Including a test sample and control sample
Description: Subject matter in which the nuclear resonance measurement of an unknown material is made by comparison with the resonance of a known material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6333629 |
Method for non-invasively and without contact, inspecting foil enclosed packages, using magnetic resonance techniques |
Dec. 25, 2001 |
| 6318146 |
Multi-imaging modality tissue mimicking materials for imaging phantoms |
Nov. 20, 2001 |
| 6275722 |
Methods and apparatus for magnetic resonance imaging with RF coil sweeping |
Aug. 14, 2001 |
| 6226544 |
Living body internal active source estimation apparatus |
May. 1, 2001 |
| 6181136 |
Method of manufacturing the human tissue phantoms for evaluation of electromagnetic wave environment |
Jan. 30, 2001 |
| 5644646 |
Vessel enhancement filtering in magnetic resonance angiography |
Jul. 1, 1997 |
| 5644232 |
Quantitation and standardization of magnetic resonance measurements |
Jul. 1, 1997 |
| 5596275 |
NMR analysis of polypropylene in real time |
Jan. 21, 1997 |
| 5554974 |
Encodable tag with radio frequency readout |
Sep. 10, 1996 |
| 5545995 |
Measurement of geometric distortion in MRI images |
Aug. 13, 1996 |
| 5500592 |
Absolute metabolite concentrations from poorly spatially-resolved MR response signals |
Mar. 19, 1996 |
| 5322682 |
Method for quantitatively measuring and mapping stored iron in tissue using MRI |
Jun. 21, 1994 |
| 5314681 |
Composition of positive and negative contrast agents for electron spin resonance enhanced magnetic resonance imaging |
May. 24, 1994 |
| 5312755 |
Contrast resolution tissue mimicking phantoms for nuclear magnetic resonance imaging with stable NMR properties |
May. 17, 1994 |
| 5270650 |
Non-destructive detection of spoilage using nuclear magnetic resonance spectroscopy |
Dec. 14, 1993 |
| 5270651 |
Method and apparatus for diagnosing osteoporosis |
Dec. 14, 1993 |
| 5233992 |
MRI method for high liver iron measurement using magnetic susceptibility induced field distortions |
Aug. 10, 1993 |
| 5178146 |
Grid and patient alignment system for use with MRI and other imaging modalities |
Jan. 12, 1993 |
| 5175499 |
Systems and markers using magnetic or spin resonance phenomena |
Dec. 29, 1992 |
| 5072732 |
NMR instrument for testing for fluid constituents |
Dec. 17, 1991 |
| 5036280 |
Phantom for magnetic resonance imaging system |
Jul. 30, 1991 |
| 5023185 |
Method for determining resolution power or discrimination capacity of an NMR imaging apparatus |
Jun. 11, 1991 |
| 4994745 |
Electron spin resonance spectroscopy |
Feb. 19, 1991 |
| 4940940 |
Method of radio-frequency excitation in an NMR experiment |
Jul. 10, 1990 |
| 4875486 |
Instrument and method for non-invasive in vivo testing for body fluid constituents |
Oct. 24, 1989 |
| 4873707 |
X-ray tomography phantoms, method and system |
Oct. 10, 1989 |
| 4857843 |
Self-referencing magnetic resonance spectroscopy system |
Aug. 15, 1989 |
| 4791369 |
Method of measuring magnetic field error of an NMR imaging apparatus and of correcting distortion caused by the error |
Dec. 13, 1988 |
| 4789830 |
Determining absolute image intensity in magnetic resonance systems |
Dec. 6, 1988 |
| 4785245 |
Rapid pulse NMR cut meter |
Nov. 15, 1988 |
| 4774957 |
Material for diagnosis by nuclear magnetic resonance imaging |
Oct. 4, 1988 |
| 4749948 |
NMR imaging systems |
Jun. 7, 1988 |
| 4739265 |
NMR imaging method |
Apr. 19, 1988 |
| 4728575 |
Contrast agents for NMR imaging |
Mar. 1, 1988 |
| 4718431 |
Surface coil with calibration substance for use in a nuclear magnetic resonance apparatus |
Jan. 12, 1988 |
| 4716368 |
Magnetic resonance reconstruction and scanning techniques using known information, constraints, and symmetry relations |
Dec. 29, 1987 |
| 4701705 |
NMR moisture measurements |
Oct. 20, 1987 |
| 4701708 |
Polarization transfer by selective homonuclear technique for suppression of uncoupled spins in NMR spectroscopy |
Oct. 20, 1987 |
| 4701709 |
NMR imaging method |
Oct. 20, 1987 |
| 4684889 |
NMR apparatus compensated for primary field changes |
Aug. 4, 1987 |
| 4682107 |
Method of operating a nuclear magnetic resonance spectrometer |
Jul. 21, 1987 |
| 4665364 |
Magnetic resonance imaging system |
May. 12, 1987 |
| 4635643 |
Assay method for the in vivo quantitative determination of mineral content in bone |
Jan. 13, 1987 |
| 4618826 |
Quality control phantom for use in computed tomographic imaging instruments and method of use |
Oct. 21, 1986 |
| 4613819 |
Nuclear magnetic resonance imaging apparatus |
Sep. 23, 1986 |
| 4581582 |
High-spatial-resolution spectroscopic NMR imaging of chemically-shifted nuclei |
Apr. 8, 1986 |
| 4549136 |
Controlled susceptibility plugs |
Oct. 22, 1985 |
| 4529710 |
Method of using a nuclear magnetic resonance spectroscopy standard |
Jul. 16, 1985 |
| 4528510 |
Device for generating images of an object under examination using nuclear magnetic resonance |
Jul. 9, 1985 |
| 4521732 |
Pulse sequence for use in performing nuclear magnetic resonance spectroscopy |
Jun. 4, 1985 |
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