Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 8138760 | Temperature system with magnetic field suppression A temperature system is provided with magnetic field suppression. In one embodiment, the temperature system comprises a plurality of conductors patterned to conduct current in directions that generate 2N multipole magnetic moments that interact to suppres... | 03/20/2012 |
| 8013604 | Temperature-controlled magnetic resonance imaging method and apparatus A method for improving the imaging quality of magnetic resonance imaging (MRI) equipment and MRI equipment, include obtaining a corresponding relationship between a deterioration factor of imaging quality and the cumulative energy of gradient pulses applied by succe... | 09/06/2011 |
| 7812604 | Thermal management system for cooling a heat generating component of a magnetic resonance imaging apparatus A thermal management system for cooling a heat generating component of a Magnetic Resonance Imaging (MRI) apparatus includes at least one heat pipe having a portion disposed proximate the heat generating component, such as a gradient coil and/or RF coil. When heat i... | 10/12/2010 |
| 7602185 | Magnetic resonance imaging apparatus and magnetic resonance imaging method A magnetic resonance imaging apparatus performs photographing by magnetic resonance imaging using hardware of which temperature is likely to rise due to a photographing operation. The magnetic resonance imaging apparatus includes an obtaining device, an alert state ... | 10/13/2009 |
| 7557577 | Water-soluble paramagnetic substance reducing the relaxation time of the coolant in an MRI system The invention relates to the use of a water-soluble paramagnetic substance, in particular a magnetic resonance contrast medium, to reduce the magnetic resonance relaxation time of a coolant for magnetic resonance systems. Furthermore the invention relates to a corre... | 07/07/2009 |
| 7521930 | Method and apparatus for accelerating magnetic resonance temperature imaging In a method and apparatus for accelerating MR temperature imaging used in MR-monitored high intensity focused ultrasound (HIFU) therapy, temperature changes are determined at the focus of the ultrasound during MR temperature imaging; determining the ideal accelerati... | 04/21/2009 |
| 7432708 | Temperature control method for a permanent magnet arrangement of a magnetic resonance system In a temperature control method for magnetic field components of a permanent magnet arrangement of a magnetic resonance system, temperature stability of the magnetic field components is achieved by maintaining the temperature of the two sides of the magnetic field c... | 10/07/2008 |
| 7423429 | Apparatus and associated method that integrate the modalities of diagnosis and therapy to treat, in principle, pathologies generically identified as Cancer and HIV/AIDS Diagnostic and Therapy apparatus and methods use non-ionizing radiations which are based on integration of nuclear magnetic resonance and radiation manipulation. Quantitative diagnostics integrate the following devices: manual control digital filter/selector (18 | 09/09/2008 |
| 7403007 | Nuclear magnetic resonance probe with cooled sample coil In a nuclear magnetic resonance probe, the sample coil is connected to the RF excitation source via transmission lines that are arranged to generate one or more nodal points at the 1H excitation frequency along their lengths and a balanced magnetic filed ... | 07/22/2008 |
| 7378847 | Efficiently cryo-pumped NMR cryogenic probe The vacuum properties of a cryogenic NMR probe maintained at a desired operating temperature by a cold head heat exchanger are improved by a separate heat exchanger operating below the temperature of the cold head heat exchanger for maintaining cryo-pumping surfaces... | 05/27/2008 |
| 7372274 | Methods and devices configured for dissolving hyperpolarised solid material with a solvent within a cryostat for NMR analyses The present invention relates to devices and method for dissolving solid polarised material while retaining a high level of polarisation. In an embodiment of the present invention a material is polarised in a strong magnetic field in a cryostat 2 and then bro... | 05/13/2008 |
| 7359745 | Method to correct magnetic field/phase variations in proton resonance frequency shift thermometry in magnetic resonance imaging PRF shift MRI data is acquired. The PRF shift MRI data may include signals affected by both a desired PRF shift and an undesired PRF shift. Thus, example systems and methods describe manipulating the PRF shift MR! data to make it substantially free of the effects of... | 04/15/2008 |
| 7358736 | Low temperature probe for NMR and NMR device The invention provides a low temperature probe having a high sensitivity by reducing a heat intrusion into a receive coil. A heat making an intrusion into a coil is suppressed by inserting a heat radiation shield in which a temperature is controlled at about 100 K t... | 04/15/2008 |
| 7339376 | MRI/MRS gradient coil with integrated cooling circuits Systems, methods and apparatus are provided through which heat produced in the patient examination space by the power used to create electromagnetic fields in an MRI/MRS system is significantly reduced by coolant carried by one of two split connected concentric coil... | 03/04/2008 |
| 7309987 | Anticipative temperature regulation of cryogenic NMR probes In some embodiments, a nuclear magnetic resonance (NMR) method comprises generating an indicator of an anticipated time-averaged power for a radio-frequency (RF) pulse set, and anticipatively adjusting a cooling supplied by a cryogenic cooling fluid to an RF coil ac... | 12/18/2007 |
| 7294947 | Apparatus for transferring torque magnetically An apparatus for transferring torque magnetically with a primary rotary member and a secondary rotary member. The primary rotary member has permanent magnets, the secondary rotary member with electro-conductive materials. The secondary rotary member also having magn... | 11/13/2007 |
| 7292031 | Micro-cell for NMR gyroscope A cell in one example comprises an alkali metal and a coating of parylene on an interior surface of the cell. In one implementation, the alkali metal may be an optically pumped gaseous phase of an alkali metal. The parylene coating minimizes interaction of the excit... | 11/06/2007 |
| 7288939 | Cryogenic NMR probe The thermal performance and vacuum properties of a cryogenic NMR probe are improved when thermal control is implemented by conductive heat transfer to a cold head cooled by a heat exchanger to below the selected operating temperature. The heat load is manipulated by... | 10/30/2007 |
| 7282910 | Nuclear magnetic resonance gyroscope A method comprises the steps of providing a nuclear magnetic resonance cell with first, second, and third nuclear moment gases and at least one optically pumpable substance; obtaining first, second, and third measured precession frequencies that correspond to the fi... | 10/16/2007 |
| 7271591 | Methods and apparatus for MRI shims A method includes heating a MRI shim with a heater to reduce a temperature rise per unit of time during a gradient operation of a MRI system. ... | 09/18/2007 |
| 7268549 | Magnetic resonance spectrometer EPR spectrometer comprising a ferroelectric single crystal resonator, a rectangular channel with holes in its narrow sides for inserting a sample and wires, a permanent magnet with planar poles, and a coil within the channel connected through the holes by the wires ... | 09/11/2007 |
| 7262599 | Method and control device for obtaining magnetic resonance data for imaging The invention relates to the obtainment of magnetic resonance measurement data for the reproduction of an image of an object volume, illustrating the contrast between volume elements (voxels) which differ from one another in the parameter vectors Pi of th... | 08/28/2007 |
| 7260976 | Gas analyzer calibration checking device A calibration checking device, and methods of mandating its use at regular time intervals, to ensure maintenance of the accuracy of gas analyzers, especially for use with breath tests. Each calibration checking device is designed to be used for a predetermined numbe... | 08/28/2007 |
| 7262600 | NMR probe The invention reduces a flow of a heat making an intrusion into an NMR probe, and uniformizes a spatial temperature generated in a sample pipe. A temperature modulated gas is supplied to a thermal anchor temperature modulated gas flow path constituted by a sample pi... | 08/28/2007 |
| 7248050 | NMR apparatus The invention concerns an NMR apparatus (1) comprising an NMR spectrometer (2) for sequential investigation of several samples in sample containers (6) of substantially identical geometrical design, at a measuring position (10) in the NMR... | 07/24/2007 |
| 7246939 | Measurement of thermal diffusivity, thermal conductivity, specific heat, specific absorption rate, thermal power, heat transfer coefficient, heat of reaction and membrane permeability by nuclear magnetic resonance This invention utilizes the nuclear magnetic resonance imaging and spectroscopy to experimentally measure thermal diffusivity, thermal conductivity, specific heat, specific absorption rate, thermal power, heat transfer coefficient, heat of reaction and the membrane ... | 07/24/2007 |
| 7245126 | NMR method and apparatus There is disclosed an NMR measurement method and NMR apparatus in which the temperature of the NMR detection coil or the RF irradiation coil hardly varies if pulsed RF power is applied to the coil during NMR measurements. The apparatus includes the detection coil or... | 07/17/2007 |
| 7224167 | Magnetic field generating apparatus and method for magnetic resonance imaging A magnetic field generating apparatus for use in magnetic resonance imaging (MRI) is disclosed. The apparatus includes an annular magnet field generator defining a patient bore, a gradient coil disposed between the magnetic field generator and the patient bore, a fi... | 05/29/2007 |
| 7224166 | MRI system having a gradient magnet system with a gyroscope The invention relates to an MRI system (1) comprising an examination volume (11), a main magnet system (13) for generating a main magnetic (field (B0) in the examination volume, a gradient magnet system (19) for generating grad... | 05/29/2007 |
| 7199581 | Magnetic resonance measuring system determining the mass of samples in a production line with monitored drift compensation Magnetic resonance measurement methods for determining the mass of samples are provided in which magnetic field homogeneity is determined, compensation is provided for potential drifts in the measuring system, and the presence of metal in samples is determined. The ... | 04/03/2007 |
| 7180295 | NMR detector and NMR spectrometer equipped therewith There is disclosed an NMR detector permitting NMR measurements to be performed well by making use of the merit of a meander coil if a trace amount of solution sample is investigated. Furthermore, an NMR spectrometer equipped with this detector is offered. The NMR de... | 02/20/2007 |
| 7173424 | Nuclear magnetic resonance apparatus A configuration of an NMR apparatus is provided. In the NMR apparatus, a magnetic field space of higher uniformity is generated by split superconducting magnets. At the same time, it is provided with a cryo probe excellent in cooling capability and sensitivity betwe... | 02/06/2007 |
| 7123090 | Low-noise preamplifier, in particular, for nuclear magnetic resonance (NMR) A low-noise preamplifier with an electronic amplifying element having an input (2) and an output (4), and with a first transformer (6) having a primary winding (5) and a secondary winding (8) is characterized in that the input (... | 10/17/2006 |
| 7084627 | Method for triggering NMR measurement in a NMR check weighing system Magnetic resonance methods are provided for determining the mass of samples in vials (1) in a production line, each sample having a net magnetisation capability, including the steps of applying a first magnetic field in a first direction in an interrogation z... | 08/01/2006 |
| 7064548 | RF probe apparatus for NMR check weighing system A radio frequency (RF) probe (10) for a nuclear magnetic resonance check weighing system produces a uniform magnetic field at the center of RF probe (10), has minimal sensitivity to electrical interference from external sources, shapes the magnetic fie... | 06/20/2006 |
| 7049817 | Thermostat-controlled containment cell for samples intended for NMR measurements and method for implementing it A thermostatically controlled containment cell for a sample, suitable notably for a measuring device such as a nuclear magnetic resonance (NMR) spectrometer, NMR type measuring device including the cell, and method for implementation is disclosed. Cell (8) co... | 05/23/2006 |
| 7015692 | Apparatus for active cooling of an MRI patient bore in cylindrical MRI systems The present invention provides for a cooling system for circulating a coolant to cool the patient bore. In one embodiment, that patient bore consists of two concentric cylinders separated by spacers running either longitudinally or helically. In another embodiment o... | 03/21/2006 |
| 7002346 | Method for accurate determination of sample temperature in a NMR check weighing system A method (10) permits determining the temperature in a magnetic resonance check weighing system (24) of a sample in a container (22) on a production line at the time of magnetic resonance testing. Method (10) includes the steps of determi... | 02/21/2006 |
| 6995559 | Method and system for optimized pre-saturation in MR with corrected transmitter frequency of pre-pulses A method, system and computer program product is provided for optimizing pre-saturation in Magnetic Resonance Imaging. The optimization is done by setting a correct transmitter frequency of RF pre-pulses for all scan slices. A B.sub.0 magnetic field map for each sca... | 02/07/2006 |
| 6977501 | MRI apparatus and method for calculating predicted and/or actual net accumulated gradient coil heat and/or temperature A magnetic resonance imaging apparatus includes a calculator that calculates the quantity of heat generated (or to be generated) in a gradient magnetic field coil as a function of current supplied (or to be supplied) to the gradient magnetic field coil and at least ... | 12/20/2005 |
