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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8129686 | Mask for coded aperture systems A coded aperture includes a position sensitive detector configured to observe the location of emitted high energy radiation, and a mask disposed in front of the position sensitive detector, wherein the mask has a non-linear shape configured to define a perimeter aro... | 03/06/2012 |
| 8035085 | Coded aperture imaging system This invention relates to a coded aperture imaging system wherein a detector array is arranged to receive radiation from a scene via a coded aperture mask. The coded aperture mask provides a plurality of uncorrelated coded aperture arrays at different positions on t... | 10/11/2011 |
| 7915591 | Mask for coded aperture systems A detector for identification and localization of radioisotopes, comprising a position sensitive detector configured to observe the location of emitted high energy radiation, wherein the position sensitive detector comprises a surface comprised of a first radiation ... | 03/29/2011 |
| 7476863 | Device limiting the appearance of decoding artefacts for a gamma camera with a coded mask The invention relates to a device limiting the appearance of decoding artefacts for a gamma camera with a coded mask comprising a gamma radiation detector (3) opposite the coded mask (1) and having a field of view with an area partially coded (20 | 01/13/2009 |
| 7412022 | Non-invasive stationary system for three-dimensional imaging of density fields using periodic flux modulation of compton-scattered gammas A three-dimensional image-generating device is an inspection system incorporating three components: a radiation source, a modulating unit, and a radiation detector. All three components of the inspection system may be stationary. The radiation source irradiates an e... | 08/12/2008 |
| 7368721 | Imaging devices and methods employing masks with a non-uniform grid of pinhole apertures In some preferred embodiments, an apparatus is provided that facilitates correction, such as, e.g., linearity correction, in imaging devices, such as, e.g., scintillation cameras. In preferred embodiments, a mask is implemented that can produce images for locating t... | 05/06/2008 |
| 7342996 | X-ray means for determining the location of malignant neoplasm and its radiotherapy The invention relates to a method of radiotherapy of a malignant neoplasm, defining a location of a malignant neoplasm, and a device for implementation the method, consisting in elimination of the influence of the factor owing to usage of common X-ray beams both for... | 03/11/2008 |
| 7310407 | Nuclear medical imaging device An apparatus for imaging a field of view, according to an embodiment of the present invention, comprises an x-ray source positioned adjacent to the field of view, a source mask located between the x-ray source and the field of view having at least one source apertur... | 12/18/2007 |
| 7218700 | System for forming x-rays and method for using same A system and method for forming x-rays. One exemplary system includes a target and electron emission subsystem with a plurality of electron sources. Each of the plurality of electron sources is configured to generate a plurality of discrete spots on the target from ... | 05/15/2007 |
| 7199371 | SPECT examination device A tomography device, particularly for single photon emission computed tomography (SPECT), comprises a multi-pinhole collimator and a detector for detecting gamma quanta or photons that penetrate the multi-pinhole collimator. In a tomographic method using the device,... | 04/03/2007 |
| 7191091 | Advanced cable metrology system The present invention is a method for determining the center to center spacing of conductors in an insulated, multi-conductor, flat cable. The method comprising applying an X-ray field to the cable, detecting the X-ray field intensity that passes through the cable, ... | 03/13/2007 |
| 7166845 | Method of enhancing performance of cerium doped lutetium yttrium orthosilicate crystals and crystals produced thereby A method for enhancing the light yield of a single crystal of cerium doped lutetium yttrium orthosilicate (LYSO) in response to irradiation with high energy radiation includes diffusing oxygen into the crystal by heating the crystal for a period of time in an ambien... | 01/23/2007 |
| 7151261 | Method of enhancing performance of cerium doped lutetium orthosilicate crystals and crystals produced thereby A method for enhancing the light yield of a single crystal of cerium doped lutetium orthosilicate (LSO) in response to irradiation with high energy radiation includes diffusing oxygen into the crystal by heating the crystal for a period of time in an ambient contain... | 12/19/2006 |
| 7110500 | Multiple energy x-ray source and inspection apparatus employing same A multiple energy x-ray source capable of rapidly generating and delivering x-rays in the form of successive pulses that alternate between at least two different energy levels, as well as a multiple energy x-ray inspection apparatus for inspecting moving objects tha... | 09/19/2006 |
| 7057182 | Method and system for determining distortion in a circuit image Embodiments of the invention may reduce timing and spatial distortion in Picosecond Imaging and Circuit Analysis (PICA). In one embodiment, a method of determining distortion in a circuit image comprises: defining potential photon emission areas in the circuit image... | 06/06/2006 |
| 7049594 | Position sensing sensor, method and system A sensor for determining a component of a location of a radiation source within a three dimensional volume includes a mask having a series of openings that has a predetermined mathematical relationship among the openings within the series of openings and defines a m... | 05/23/2006 |
| 7030384 | Adaptive opto-emission imaging device and method thereof An adaptive opto-emission imaging device includes a detector having a detector face and a back surface. The detector detects radiation emanating from an object positioned in the direction of the detector face, and produces a radiopharmaceutical distribution profile ... | 04/18/2006 |
| 7015480 | Method and system for creating an image of a radiation source A method of creating an image of a radiation source includes detecting radiation associated with a first location of the radiation source. Data corresponding to the radiation associated with the first location is processed to provide a first value. The first value i... | 03/21/2006 |
| 7006132 | Aperture coded camera for three dimensional imaging Determining instantaneously the three-dimensional coordinates of large sets of points in space using two or more CCD cameras (or any other type of camera), each with its own lens and pinhole. The CCD's are all arranged so that the pixel arrays are within the same pl... | 02/28/2006 |
| 6956928 | Vertical small angle x-ray scattering system A small angle x-ray diffraction scattering system has a vertical orientation, allowing for simplified analysis of liquid samples. The system may function in a beam-up or a beam-down configuration. An x-ray source provides an initial x-ray beam that is directed verti... | 10/18/2005 |
| 6950495 | Backscatter imaging using Hadamard transform masking Backscatter imaging using Hadamard transform masking includes an area x-ray source with alternating, masked, Hadamard transform patterns. The total backscatter signal from a target for each pair of corresponding masks is recorded. The difference in signal strengths ... | 09/27/2005 |
| 6946659 | Apparatus for forming radiation source distribution image A radiation source distribution image of an examinee is formed by driving X direction movement motors to move a radiation information-detecting unit in the X direction, and detecting radiation from the examinee on a stretcher placed between guide rails by using a co... | 09/20/2005 |
| 6822237 | Gamma camera apparatus After the position of a collimator with respect to a gamma camera depending on the position of a detection plane in an examinee, gamma rays radiated from the examinee are detected by a scintillation detector via a collimator and a scintillator, and a signal from the... | 11/23/2004 |
| 6737652 | Coded aperture imaging Improved systems and methods for coded aperture imaging of radiation-emitting sources. According to one aspect, the present invention is directed to reducing and/or eliminating the artifacts that are inherent in previous near field coded aperture imaging systems suc... | 05/18/2004 |
| 6649914 | Scanning-beam X-ray imaging system An x-ray imaging system according to the present invention comprising a stepped scanning-beam x-ray source and a multi-detector array. The output of the multi-detector array is input to an image reconstruction engine which combines the outputs of the mult... | 11/18/2003 |
| 6392235 | Coded-aperture system for planar imaging of volumetric sources A coded aperture is placed in proximity of a patient's body and a 2D coded image is acquired in conventional manner. The basic data-acquisition geometry is similar to that used in various coded-aperture systems. According to one aspect of the invention, a... | 05/21/2002 |
| 6353227 | Dynamic collimators Apparatus for collimating particle emanations, whether photons or material particles, comprises a collimator plate and a motion means. The collimator plate is made of an attenuating material capable of attenuating the particle emanations. The collimator h... | 03/05/2002 |
| 6255656 | Positioner for a scintillation camera detector head A positioner for a scintillation camera detector head is designed for use with a detector head of the type having a center of gravity dependent upon the weight of a removable collimator plate and being supported between a pair of substantially parallel su... | 07/03/2001 |
| 6205195 | Coded aperture imaging This invention provides coded aperture imaging apparatus and methods for the detection and imaging of radiation which results from nuclear interrogation of a target object. The apparatus includes: 1) a radiation detector for detecting at least a portion o... | 03/20/2001 |
| 6194726 | Semiconductor radiation detector with downconversion element A radiation detection device for gamma radiation is disclosed having an array of crystals optically positioned adjacent an optional collimator, the crystals emitting visible light upon illumination by the incident gamma radiation. An array of photodetecto... | 02/27/2001 |
| 6175117 | Tissue analysis apparatus An apparatus for analyzing substances within a breast is disclosed. The apparatus includes a breast positioning area and a beam forming apparatus having a geometry which forms breast penetrating radiation into at least one beam. A detector is configured t... | 01/16/2001 |
| 6054712 | Inspection equipment using small-angle topography in determining an object's internal structure and composition Devices for X-ray topography determine structures and compositions of objects. In accordance with an embodiment of the invention, a scanning system forms images using small angle scattering. A spatial filter selects radiation an object scatters at small a... | 04/25/2000 |
| 5930314 | Coded aperture imaging This invention provides coded aperture imaging apparatus and methods for the detection and imaging of radiation which results from nuclear interrogation of a target object. The apparatus includes: 1) a radiation detector for detecting at least a portion o... | 07/27/1999 |
| 5757005 | Advanced x-ray imaging spectrometer An x-ray spectrometer that also provides images of an x-ray source. Coded aperture imaging techniques are used to provide high resolution images. Imaging position-sensitive x-ray sensors with good energy resolution are utilized to provide excellent spectr... | 05/26/1998 |
| 5606165 | Square anti-symmetric uniformly redundant array coded aperture imaging system A square anti-symmetric uniformly redundant array coded aperture includes transparent and opaque cells and exhibits a normal mask pattern at a first position and a complementary mask pattern when rotated to a second position rotationally offset by 90° fr... | 02/25/1997 |
| 5565914 | Detector with a non-uniform spatial sensitivity A detector with a non-uniform spatial sensitivity measuring an image. From the measured outputs, the image can be re-constructed by a signal processing scheme. In a preferred embodiment, an array of such detectors, each with an imaging surface and a non-u... | 10/15/1996 |
| 5428223 | Minicamera for proximity detection of nuclear radiation emitted by a radioisotope, and its application as a surgical tool A minicamera detects at least one ଲ and γ nuclear radiation (or assimilated) emitted by a radioisotope present in a body (1, 2). Its image pick-up head (300) includes a collimator (301), a scintillator (302) and a photodetector assembly (303 to 309... | 06/27/1995 |
| 5099128 | High resolution position sensitive detector A high spatial resolution gamma ray detector employs layers of scintillators, microchannel photomultipliers and sensors arrays of anodes to provide real time imaging of nuclear sources. Specific embodiments include a camera for detecting nuclear weapons w... | 03/24/1992 |
| 5021667 | Movable calibration collimator and system and method using same A movable calibration collimator for a radionuclide emission tomography camera, and a calibration system using same, having a wall of material which is opaque to radionuclide emissions and is movable in a first direction relative to the camera. One or mor... | 06/04/1991 |
| 4891844 | Radiation image detecting system A radiation image detecting system with the image divided into pixels. In this system the pixel signals are detected with a method of coded aperture. All the pixels are grouped into equal-sized areas, each of which includes the same number of pixels formi... | 01/02/1990 |
