Patents Represented by Attorney Ziolkowski Patent Solutions Group, LLC
  • Patent number: 6967479
    Abstract: The present invention includes a method and apparatus to correct for gradient field distortions. The invention is particularly applicable in moving table imaging where a single extended image is desirable. The invention includes acquiring MR data in motion in the presence of gradient non-linearities, transforming the MR data acquired into the image domain, and then applying a warping correction function to the transformed MR data. The warp-corrected MR data is then corrected for motion induced during the MR acquisition. The data may be acquired point-by-point, line-by-line, or another sub-portion of the entire MR data acquired, and processed to minimize the amount of motion correction needed. Based on table velocity or acquisition sequence applied, the data is partitioned based on a common motion correction factor, and after correcting for motion, the data is accumulated to build up a final image.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: November 22, 2005
    Assignees: GE Medical Systems Global Technology Co., LLC, Mayo Clinic
    Inventors: Jason A. Polzin, Stephen J. Riederer, David G. Kruger
  • Patent number: 6918125
    Abstract: A method of integrating an Xt Intrinsics based toolkit with a JAVA application. The application includes a process thread that implements an X event loop and an application thread that suspends execution of the event loop to allow a call to be made through the JAVA Native Interface to a toolkit or a widget to cause something to be displayed. The application thread includes a write socket to communicate a token to a read socket of the event loop, and performs a blocking read suspending the thread. The event loop returns an acknowledgment token via a write socket to a read socket of the thread that unblocks its blocking read and the event loop invokes its own blocking read suspending its execution. The file descriptor function, XtAppAddInput, preferably, is used to read the token and to set the blocking read. After a toolkit call is made, a token is sent from a second write socket of the thread to a second read socket of the event loop that unblocks its blocking read resuming the event loop.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: July 12, 2005
    Assignee: GE Medical Systems Global Technology Company LLC
    Inventors: John V Skinner, David P. Edwards
  • Patent number: 6897655
    Abstract: A system and method are disclosed using continuous table motion while acquiring data to reconstruct MR images across a large FOV without significant slab-boundary artifacts that reduces acquisition time. At each table position, full z-encoding data are acquired for a subset of the transverse k-space data. The table is moved through a number of positions over the desired FOV and MR data are acquired over the plurality of table positions. Since full z-data are acquired for each slab, the data can be Fourier transformed in z, interpolated, sorted, and aligned to match anatomic z locations. The fully sampled and aligned data is then Fourier transformed in remaining dimension(s) to reconstruct the final image that is free of slab-boundary artifacts.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: May 24, 2005
    Assignees: General Electric Company, The Board of Trustees of the Leland Stanford, Jr. University
    Inventors: Jean H. Brittain, John M. Pauly
  • Patent number: 6891374
    Abstract: A system and method are disclosed using continuous table motion while acquiring data to reconstruct MR images across a large FOV without significant slab-boundary artifacts that reduces acquisition time. At each table position, full z-encoding data are acquired for a subset of the transverse k-space data. The table is moved through a number of positions over the desired FOV and MR data are acquired over the plurality of table positions. Since full z-data are acquired for each slab, the data can be Fourier transformed in z, interpolated, sorted, and aligned to match anatomic z locations. The fully sampled and aligned data is then Fourier transformed in remaining dimension(s) to reconstruct the final image that is free of slab-boundary artifacts.
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: May 10, 2005
    Assignee: General Electric Company
    Inventor: Jean Helen Brittain
  • Patent number: 6891371
    Abstract: A system and method for multi-channel MR spectroscopy (MRS) includes simultaneously acquiring MR signals from multiple coils and processing the MR signals individually to generate multiple sets of MRS results. The multiple sets of MRS results are combined to form a single superset of MRS results that is displayed as a simple proton MRS absorption spectrum.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: May 10, 2005
    Assignee: GE Medical Systems Global Technology Co. LLC
    Inventors: Frederick J. Frigo, James A. Heinen, Thomas E. Raidy, Jeffery A. Hopkins
  • Patent number: 6889071
    Abstract: A system and method are disclosed to acquire high temporal resolution free-breathing cardiac MR images. The technique includes monitoring heart rate of a patient just prior to image acquisition to acquire a time period of an R—R interval, and using this time period from the heart rate monitoring to prospectively estimate future R—R intervals. The acquisition of MR data can then commence at any point in an R—R interval and extend for the time period recorded. The data acquisition can be segmented and acquired in successive R—R intervals, then combined to create high temporal resolution images.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: May 3, 2005
    Assignee: General Electric Company
    Inventors: Manojkumar Saranathan, Thomas K. F. Foo, J. Andrew Derbyshire
  • Patent number: 6883540
    Abstract: A fluid manifold usable with a welder and air compressor combination. The manifold is constructed of a single unitary manifold block and which is divided into two separate fluid communication systems that are isolated from each other by the manifold block itself. Each of the separate fluid communications systems provides various channels and external ports to access those fluid channels to enable the welder and air compressor combination to be more easily assembled and constructed by locating the manifold in a convenient location within the welder and air compressor combination and which has the necessary fluid channels and conduits already formed within the manifold so that the manufacturer or assembler can simply affix the proper fluid lines and system components to the manifold in carrying out the construction of the welder and air compressor combination and be assured that the proper fluid communication will be achieved.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: April 26, 2005
    Assignee: Illinois Tool Works Inc.
    Inventors: Herbert A. Bankstahl, Joseph Gitter
  • Patent number: 6870131
    Abstract: A welding apparatus having a specially designed receptacle that is formed on the rear molded plastic panel that is affixed to an enclosure in assembling the welding apparatus. A gas valve having a hexagonal body fits snugly into a mating hexagonal shaped of the receptacle. A pair of fingers extend outwardly from the rear panel and have distal ends with barbs formed thereon. In the assembly of the welding apparatus, therefore, the gas valve is simply inserted into the complementary shaped receptacle formed in the rear panel and the barbs snap over the external surface of the gas valve to retain the gas in the desired position affixed to the rear panel while automatically aligning a gas inlet port of the gas valve with an opening in the rear panel to allow accessibility of the gas inlet to an external source of gas.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: March 22, 2005
    Assignee: Illinois Tool Works Inc.
    Inventors: Richard M. Achtner, James J. Cigelske, Jr.
  • Patent number: 6864777
    Abstract: A welding-type power supply transformer including a bobbin, a first coil and a second coil is disclosed. The first coil is wound around the bobbin. The second coil is magnetically coupled to the first coil.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: March 8, 2005
    Assignee: Illinois Tool Works Inc.
    Inventor: Dennis Sigl
  • Patent number: 6861586
    Abstract: A welding apparatus having a metal enclosure and a plastic end panels affixed to the enclosure to contain therein the various electrical components of the welding apparatus. There is an internal negative electrical stud within the metal enclosure that has a high voltage applied to the stud. A protective, non-conductive electrical shield is located between the electrical stud and other conductive components within the welding apparatus to prevent arcing between the electrical stud and those conductive components as well as to prevent arcing between the electrical stud and the metal enclosure itself.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: March 1, 2005
    Assignee: Illinois Tool Works Inc.
    Inventor: James J. Cigelske, Jr.
  • Patent number: 6857777
    Abstract: An apparatus to combine temperature indicator sticks used in the welding, metal fabrication, and heat treatment industries and capable of identifying a given temperature of an object is disclosed. The apparatus includes a first temperature indicator stick comprised of a compound which melts at a first temperature, and a second temperature indicator stick formed of another compound which melts at a second temperature. The Apparatus further includes a connector physically connecting the first and second indicator sticks in a single assembly. A method to provide a dual temperature indicator stick is also disclosed.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: February 22, 2005
    Assignee: Illinois Tool Works Inc.
    Inventors: Pramathesh Desai, Victor I. Deonarine
  • Patent number: 6858818
    Abstract: A system and method of controlling a wire feeder of a welding-type system is disclosed. A wire feeder including a controller capable of accepting a user input that includes desired mode, desired current output and desired voltage output. The controller then causes the welding-type system to operate according to the user input. The controller is also capable of acquiring output conditions of the welding-type system and determining a difference between the user input and the output conditions. The controller is further enabled to automatically adjust a speed of the wire feeder according to the user input mode and the desired current output or the desired voltage output.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: February 22, 2005
    Assignee: Illinois Tool Works Inc.
    Inventor: Craig S. Knoener
  • Patent number: 6859514
    Abstract: The present invention is directed to a CT detector array having uniform cross-talk. Discontinuities in cross-talk between adjacent CT detectors of a CT detector array are minimized by increasing the cross-talk at the boundaries of adjacent CT detectors. Discontinuities throughout a CT detector contribute to artifact presence in a final reconstructed image, therefore, it is preferred that cross-talk throughout the CT detector array be relatively uniform. Reducing the width of reflector material between adjacent CT detectors increases the cross-talk between the CT detectors. This increase in cross-talk offsets the reduced cross-talk that typically occurs between scintillators, optical epoxy layers, and photodiodes at the CT detector interface. Cross-talk may also be increased by reducing the amount of chrome deposited in the reflector between CT detectors or reducing the levels of titanium oxide typically used in reflector layers.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: February 22, 2005
    Assignee: GE Medical Systems Global Technology Company LLC
    Inventor: David M. Hoffman
  • Patent number: 6855914
    Abstract: A process is disclosed that monitors a characteristic of a welding gun connected to a wire feeder and, based on the detected characteristic, automatically determines the type of gun connected and sets operating parameters of the wire feeder and/or welding gun accordingly.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: February 15, 2005
    Assignee: Illinois Tool Works Inc.
    Inventors: Charles L. Kaufman, Albert M. Nowak, Jeffery R. Ihde
  • Patent number: 6853189
    Abstract: A process and system to implement such a process is configured to determine diffusion properties within a region-of-interest. A metric or index of diffusion is determined from individual diffusion values corresponding to diffusion along, multiple diffusion directions relative to average diffusion at a related voxel or pair of voxels. The invention may be implemented to determine shared diffusion anisotropy between two voxels. Based on a value of a diffusion index or metric, the present invention provides an efficient and tensor-free technique of determining if diffusion in neighboring voxels is anisotropic and if the diffusion is oriented in the same direction within each voxel. The present invention may be used to rapidly determine fractional anisotropy in a single voxel or used to filter diffusion weighted imaging data. The present invention may also be used to color-code diffusion data such that diffusion and tract orientation are readily identifiable in a reconstructed image.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: February 8, 2005
    Assignee: Catholic Healthcare West, California Nonprofit Public Benefit Corporation
    Inventor: James G. Pipe
  • Patent number: 6840019
    Abstract: A spacer is provided that includes at least one rail of plastic, steel, rebar, or the like that runs along a top surface of a modular construction material such as a brick or block. At least one transverse rail is connected to the length-running rail. The transverse rail is also constructed of plastic, steel, rebar, or the like and runs width-wise along the top surface of the brick/block. Connected to the rails is a number of spacing studs that define a desired mortar depth. The spacing studs may include removable clips that are configured to engage the rails. Accordingly, the clips have a height equal to the desired mortar depth. The present invention may alternatively include a kit comprising the rails, clips, and bricks/blocks.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: January 11, 2005
    Inventor: Thomas J. Berg
  • Patent number: 6836529
    Abstract: A system and method of diagnostic imaging with reduced x-ray exposure to the scan subject during scanning includes acquiring a set of cardiac signals or other motion (cardiac mechanical motion or respiratory motion) related signals and determining and imaging profile therefrom. Pursuant to the imaging profile, voltage applied to an x-ray source is modulated to provide an energizing voltage during primary data acquisition stages and a reduced voltage during secondary or non-data acquisition stages. Voltage modulation repeats until sufficient data for image reconstruction has been acquired.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: December 28, 2004
    Assignee: General Electric Company
    Inventors: Jianying Li, Steven J. Woloschek, Thomas L. Toth, Jonathan R. Schmidt
  • Patent number: 6836535
    Abstract: The present invention includes a filtering apparatus for a CT imaging system or equivalently for an x-ray imaging system. The filtering apparatus may be translated along a first axis or a transverse axis to with respect to an attenuation pattern of a subject during an imaging session to reduce radiation exposure to anatomical regions of the subject sensitive to radiation exposure and/or regions from which data is not being acquired.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: December 28, 2004
    Assignee: General Electric Company
    Inventors: Thomas L. Toth, Tsur Bernstein
  • Patent number: 6831838
    Abstract: A system and method for attaching multiple electrical components to a heat sink is disclosed. The apparatus includes a pair of spacers for each component. The spacers define a uniform distance between a circuit board and a base of a heat sink. Each spacer is secured to the circuit board and determines a distance from a base of the component to the circuit board. The heat sink is attached to the assembly by a plurality of threaded fasteners that extend through the circuit board, through a center space of the spacers and into threaded recesses of the heat sink.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: December 14, 2004
    Assignee: Illinois Tool Works Inc.
    Inventor: Martin J. Boyce
  • Patent number: D504547
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: April 26, 2005
    Inventor: Uta Nauert