Patent application number | Description | Published |
20080287789 | Computed volume sonography - The present disclosure is directed to systems and methods which allow for ultrasound parameter estimation to occur at specific advantageous sets of points in a two- or three-dimensional field of view within re-configurable, massively parallel, programmable architectures that can accommodate the input/output streaming, data movement or storage, and computation requirements. In one embodiment, a power efficient system is used for processing the data thereby increasing the ability of the system to be used for hand carried or mobile ultrasound applications. One aspect of the concepts discussed herein is the architectural aspects which provide the ability to simultaneously accept a large number of channels of data characterized by a continuous, simultaneous flow at high sample rates. The input data is routed at high rates to a distributed and large number of processing elements, memory, and connections for simultaneous parameter estimation at multiple points in the field of view. The ability to route the same data to multiple places enables high frame rates and allows for the streaming of data through the architecture. | 11-20-2008 |
20090069681 | SYSTEM AND METHOD FOR SPATIAL COMPOUNDING USING PHASED ARRAYS - The present invention is directed to a system and method which makes a phased array look like a curved array for purposes of performing spatial compounding calculations. In one embodiment, the phased array is treated as though it were a curved array by creating both a virtual apex and a virtual radius of curvature. Based on this transformation, standard spatial-compounding resampling tables can be used just as they are with curved arrays. In one embodiment, after the data is compounded to form the target image, certain data is removed prior to the actual display. This removed data represents data generated by virtual rays the prior to the physical skin line of the phased array. | 03-12-2009 |
20110249878 | SYSTEMS AND METHODS FOR ENHANCED IMAGING OF OBJECTS WITHIN AN IMAGE - Systems and methods which implement a plurality of different imaging signatures in generating an image frame are shown. A first imaging signature may be configured for providing relatively high quality images with respect to subsurface regions of living tissue, for example, whereas a second imaging signature may be configured for providing relatively high quality images with respect to interventional instruments inserted into living tissue at a steep angle. Image sub-frames generated using each such different imaging signature are blended to form a frame of the final image providing a relatively high quality image of various objects within the volume being imaged. | 10-13-2011 |
20140265572 | LOW NOISE POWER SOURCES FOR PORTABLE ELECTRONIC SYSTEMS - Power supplies for electronic devices (e.g., portable ultrasound devices) are disclosed herein. In one embodiment, a stack of batteries and one or more switches between the batteries can change a voltage provided to a terminal that is connectable to a load. A charge pump comprising a number of capacitors are connected by switches. In one configuration, the switches are set so that each capacitor is charged from a common voltage source. In another mode, the switches are connected such that capacitors can be connected in series to provide a multiple of the charging voltage to the load. | 09-18-2014 |
20140269166 | SYSTEM AND METHOD FOR PERFORMING PROGRESSIVE BEAMFORMING - A progressive beamformer in an imaging system includes a number of stages. A first stage delays and combines a number of received data streams to align the streams to a point of interest on a first beamline. The first stage feeds a number of subsequent stages that operate to buffer and re-delay at least a portion of the data streams received from a previous stage in order to align the data streams to a point of interest on a new beamline. In one embodiment, each stage operates to reduce the number of data streams that are passed to a subsequent stage without suffering from grating lobes. A beam reclamation process includes a number of stages that receive data streams from end elements in order to produce reclaimed beams that are added to beamline produced in a mainline beamforming process in order to produce output beamlines. | 09-18-2014 |
20150071031 | SYSTEM AND METHOD FOR PERFORMING PROGRESSIVE BEAMFORMING - A progressive beamformer in an imaging system includes a number of stages. A first stage delays and combines a number of received data streams to align the streams to a point of interest on a first beamline. The first stage feeds a number of subsequent stages that operate to buffer and re-delay at least a portion of the data streams received from a previous stage in order to align the data streams to a point of interest on a new beamline. In one embodiment, each stage operates to reduce the number of data streams that are passed to a subsequent stage without suffering from grating lobes. A beam reclamation process includes a number of stages that receive data streams from end elements in order to produce reclaimed beams that are added to beamline produced in a mainline beamforming process in order to produce output beamlines. | 03-12-2015 |
20150094565 | SYSTEM AND METHODS FOR ENHANCED IMAGING OF OBJECTS WITHIN AN IMAGE - Systems and methods which implement a plurality of different imaging signatures in generating an image frame are shown. A first imaging signature may be configured for providing relatively high quality images with respect to subsurface regions of living tissue, for example, whereas a second imaging signature may be configured for providing relatively high quality images with respect to interventional instruments inserted into living tissue at a steep angle. Image sub-frames generated using each such different imaging signature are blended to form a frame of the final image providing a relatively high quality image of various objects within the volume being imaged. | 04-02-2015 |
Patent application number | Description | Published |
20100158384 | METHOD FOR IMPROVING THE ABILITY TO RECOGNIZE MATERIALS IN AN X-RAY INSPECTION SYSTEM, AND X-RAY INSPECTION SYSTEM - A method for improving the ability to recognize materials in an X-ray inspection system is provided that includes the steps of recording at least two absorption X-ray images of an object to be examined at different energies, mathematically modeling the object by a number of layers assuming a particular material for each layer, wherein an absorption value describes the absorptivity of a layer, the number of layers is less than or equal to the number of X-ray images and at least one layer is assumed to be a material to be recognized during the inspection, decomposing the absorption value of each layer into a path-dependent factor and an energy-dependent factor, calculating the path-dependent factors for all layers from the absorption X-ray images using the absorption equation, calculating at least one synthetic image from the sum of all layers of the product of the absorption values and the weighting factors, evaluating the synthetic image. | 06-24-2010 |
20110091013 | METHOD AND APPARATUS FOR DETECTING A PARTICULAR MATERIAL IN AN OBJECT BY MEANS OF ELECTROMAGNETIC RADIATION - A method and apparatus is provided for detection of a particular material in an object, in particular in an item of luggage, by means of electromagnetic radiation in which the intensities of non-absorbed radiation from at least three radiation planes are measured and evaluated in associated detector apparatus, wherein an image is produced, initially from the intensities of the non-absorbed radiation, and then if single regions of low complexity are found which are characterized by approximately constant intensities, an estimation of the attenuation coefficient s performed and a material detection is carried out in the region according to an algorithm which calculates a three-dimensional reconstruction from different views. | 04-21-2011 |
20110182404 | Collimator with an adjustable focal length - The invention relates to a collimator with adjustable focal length, especially for use in X-ray testing devices whose operating principle is based on diffraction phenomena in an object. Fixed focal length collimators used in such X-ray testing devices have to be displaced over a large range. The aim of the invention is to reduce the range of displacement. For this purpose, the collimator has at least two diaphragms having respective substantially circular slots arranged about a common center axis, wherein at least one diaphragm can be displaced along the center axis. | 07-28-2011 |
20140166935 | LIQUID MIXTURE USED TO TEST AND VALIDATE TEST DEVICES - A liquid mixture used to test and validate test devices for inspecting objects or persons is provided. The mixture containing glycerol and consisting of a mixture of glycerol, ethanoic acid and water. | 06-19-2014 |
20140166936 | LIQUID MIXTURE USED TO TEST AND VALIDATE TEST DEVICES - The invention relates to a liquid mixture used to test and validate test devices for inspecting objects or persons, said mixture containing glycerol and comprising a mixture of glycerol, ethanol and water. | 06-19-2014 |
20140166937 | LIQUID MIXTURE USED TO TEST AND VALIDATE TEST DEVICES - The invention relates to a liquid mixture to test and validate test devices for inspecting objects or persons, the mixture containing glycerol. The glycerol portion is at least 90% by weight, preferably approximately 99.5% by weight and the remaining portion is water. | 06-19-2014 |