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| Number | Title | Issue Date |
| 8183522 | High filling flow water phantom The present invention is related to a water phantom for measuring and determining the dose distribution of radiation produced by a particle beam or photon radiation beam comprising: a water tank, the water tank having a lower base and side walls; supply means for su... | 05/22/2012 |
| 8178832 | Re-calibration methodology for NDIR gas sensors A re-calibration method for a dual-beam NDIR gas sensor uses a calibration curve based upon a combination of physics and sensor measurement components of the sensor to calculate sample gas concentration, then determines a second gas concentration measurement by a se... | 05/15/2012 |
| 8173952 | Arrangement for producing electromagnetic radiation and method for operating said arrangement A method for operating an assembly configured to produce electromagnetic radiation, especially X-ray radiation or extreme ultraviolet radiation. Particles, especially electrons, are guided onto a target by way of an adjustable focusing device. The particles produce ... | 05/08/2012 |
| 8168941 | Ion beam angle calibration and emittance measurement system for ribbon beams An ion beam angle calibration and emittance measurement system, comprising a plate comprising an elongated slit therein, wherein the elongated slit positioned at a rotation center of the plate and configured to allow a first beam portion to pass therethrough. A beam... | 05/01/2012 |
| 8164049 | Radiation detecting apparatus, radiation image capturing system,and temperature compensating method A radiation detecting apparatus includes a radiation conversion panel for detecting the radiation which has passed through the subject and converting the detected radiation into radiation image information, a temperature sensor for detecting a temperature of the rad... | 04/24/2012 |
| 8164048 | Nuclear gauges and methods of configuration and calibration of nuclear gauges Nuclear gauges and method of configuration and methods of calibrations of the nuclear gauges are provided. The nuclear gauges are used in measuring the density and/or moisture of construction-related materials. The nuclear gauge can include a gauge housing having a ... | 04/24/2012 |
| 8158929 | Specular array for radiometric calibration and method A specular array for radiometric calibration (SPARC) includes a plurality of spherical mirrors disposed upon a uniform background as at least one array of reflective points, at least two points reflecting a different intensity of directly incident sunlight. Each mir... | 04/17/2012 |
| 8158928 | System and method for improving the quality of thermal images An image improvement system and method are disclosed that compensates for effects of optical scattering and pixel cross-talk on image quality in an imager employing a focal plane array. The method characterizes these effects on a test image, presents them as a set o... | 04/17/2012 |
| 8143569 | Imaging system and method for tuning same A method of tuning an imaging system can include the steps of receiving photons at photo-multiplier units that are part of an array, determining an energy level for each of the photo-multiplier units based on events over a specific photo-multiplier unit and determin... | 03/27/2012 |
| 8138470 | Calibration standards for electron microscopes and electron column tools A calibration standard structured to obtain both morphology and chemistry information with respect to particles analyzed simultaneously. The standard is structured to verify the accuracy of the data obtained in the particle analysis. Related methods of manufacture a... | 03/20/2012 |
| 8119979 | Fibre optic dosimeter A dosimeter for radiation fields is described. The dosimeter includes a scintillator a light pipe having a first end in optical communication with the scintillator and a light detector. The light pipe may have a hollow core with a light reflective material about the... | 02/21/2012 |
| 8119978 | Apparatus and methods for real-time verification of radiation therapy Various embodiments are described herein for an area integrated fluence monitoring sensor that can be used to measure a radiation dose. The sensor comprises at least one Gradient Ion Chamber (GIC) comprising an ion chamber having a volume gradient across a length or... | 02/21/2012 |
| 8119980 | Self-adaptive tuning of gamma camera An improved system and method for tuning individual sensors (e.g., photomultiplier tubes) of a multi-sensor imaging system such as e.g., a gamma camera having an array of photo-multiplier tubes is provided that produces a uniform response over the entire system. Ind... | 02/21/2012 |
| 8115164 | Calibration device and laser scanning microscope with such a calibration device A calibration device for managing a variety of performance tests and/or calibration tasks in a laser scanning microscope. The calibration device, which has focusing optics and a test structure arranged in the focal plane of the focusing optics, with structural eleme... | 02/14/2012 |
| 8101906 | Method and apparatus for calibrating optical path degradation useful for decoupled plasma nitridation chambers Methods for matching semiconductor processing chambers using a calibrated spectrometer are disclosed. In one embodiment, plasma attributes are measured for a process in a reference chamber and a process in an aged chamber. Using a calibrated light source, an optical... | 01/24/2012 |
| 8101905 | Infrared sensor calibration system and method A calibration system for an infrared imaging system includes an infrared sensor having a sensor model for imaging a target having a target spectral signature. The infrared imaging system includes an atmospheric model having atmospheric spectral values. The calibrati... | 01/24/2012 |
| 8093549 | Radiation beam analyzer and method A radiation beam analyzer for measuring the distribution and intensity of radiation produced by a Cyberknife®. The analyzer employs a relative small tank of water into which a sensor is placed. The distance between the sensor and the radiation source is not varied.... | 01/10/2012 |
| 8093548 | Calibration methods for blood content sensors Methods for calibrating blood content sensors used independently or in conjunction with medical instruments such as traditional or capsule type endoscopes. ... | 01/10/2012 |
| 8089043 | Systems and methods for calibrating time alignment for a positron emission tomography (PET) system A representative positron emission tomography (PET) calibration system includes a PET scanner having a ring detector, a phantom that is placed at approximately the center of the ring detector, and a time alignment calibration manager that is coupled to the PET scann... | 01/03/2012 |
| 8080779 | Device for detecting infrared radiation comprising a resistive imaging bolometer, a system comprising an array of such bolometers and a method for reading an imaging bolometer integrated into such a system A device for detecting infrared radiation including a resistive imaging bolometer, a mechanism for measuring drift in the electrical resistance of the bolometer relative to a reference value of the electrical resistance of the bolometer which corresponds to predeter... | 12/20/2011 |
| 8080780 | Apparatus and associated methodology for improving timing resolution in gamma ray detection An apparatus and associated method for gamma ray detection that improves the timing resolution is provided. A crystal of interaction in a scintillation crystal array emits scintillation light in response to interaction with a gamma ray. The scintillation light is de... | 12/20/2011 |
| 8076633 | Night vision apparatus A night vision image processing unit (night vision apparatus) separates an input field image that a field separating unit has acquired from a near-infrared camera into an odd-numbered field image and an even-numbered field image. A region segmenting unit segments an... | 12/13/2011 |
| 8067726 | Universal instrument calibration system and method of use Certain embodiments of the present invention provide systems and methods for electromagnetic calibration of an instrument. Certain embodiments provide an electromagnetic instrument calibration system including electromagnetic receiver electronics for receiving elect... | 11/29/2011 |
| 8053722 | Detector having tuned resistors A method of forming a light sensor array includes tuning a resistance level of a plurality of resistors. The resistors are included in a light sensor array for use with a positron emissision tomography (PET) scanner system. The light sensor array includes detection ... | 11/08/2011 |
| 8049163 | Calibration systems and methods for infrared cameras Systems and methods directed to calibration techniques for infrared cameras are disclosed. For example, a method of obtaining calibration information for an infrared device includes providing a calibration target adapted to provide a low-emissivity scene; performing... | 11/01/2011 |
| 8039790 | Phantoms and methods for verification in radiotherapy systems Methods and phantoms for verification in radiotherapy systems. A phantom for verification in a radiotherapy system may include a body to support a detector surface for obtaining a panoramic image of individual radiation beams in the radiotherapy system. The detector... | 10/18/2011 |
| 8039789 | Method and apparatus for self calibrating meter movement for ionization power supplies A method of determining a relative condition of an ionizer in an ionization system includes placing the ionization system in a calibration mode, stepping the ionization system through one or more of a range of adjustments, collecting calibration data at each step an... | 10/18/2011 |
| 8039787 | Digital pulse processor slope correction A method of adjusting a response of an energy measuring filter, such as an FIR filter, of a pulse processor based on a slope of a preamplifier signal having a plurality of step edges each corresponding to a respective photon is provided that includes receiving a dig... | 10/18/2011 |
| 8039788 | Imaging target for testing quality of multiple-magnification focus and image co-registration An imaging target, suited for use in multi-modal imaging systems, includes test patterns for testing quality of both focus and co-registration for multiple magnifications and multiple modalities of operation of a multimodal imaging system. ... | 10/18/2011 |
| 8022355 | Scintillation detector gain control system using reference radiation A method for controlling gain of a scintillation detector includes using a reference radiation source and a photomultiplier tube and controlling the gain of the scintillation detector based on the reference radiation source. The controlling includes detecting change... | 09/20/2011 |
| 8022356 | Sample and method for evaluating resolution of scanning electron microscope, and electron scanning microscope A method of evaluating a resolution of a scanning electron microscope includes picking up a first image of a concave and convex pattern formed on a surface of a sample utilizing a first scanning electron microscope, picking up a second image of the concave and conve... | 09/20/2011 |
| 8022357 | Systems and methods for generating calibration maps for non-pixelated gamma detectors A method for calibrating a non-pixelated gamma camera is provided, wherein the method includes determining a linearity map and a uniformity map of a reference isotope; and determining a linearity map and uniformity map of another isotope. Delta maps are calculated b... | 09/20/2011 |
| 8017905 | Method for energy calibration of a pulsed laser system In a method of calibrating the pulse energy of a laser device which provides pulsed working laser radiation, by means of the working laser radiation, multiple test ablations, in particular multiple-pulse test ablations, are carried out on one or more test objects, e... | 09/13/2011 |
| 8017906 | Slit and slot scan, SAR, and compton devices and systems for radiation imaging The invention provides methods and apparatus for detecting radiation including x-ray photon (including gamma ray photon) and particle radiation for radiographic imaging (including conventional CT and radiation therapy portal and CT), nuclear medicine, material compo... | 09/13/2011 |
| 7999218 | Radiation detector A radiation detector includes: a radiation detecting unit including a radiation sensor detecting a radiation sensitive to light, a signal amplifier, a pulse-height discriminator, and a counter; an optical pulse emitting unit configured to emit an optical pulse for c... | 08/16/2011 |
| 7999219 | Radiographic calibration By providing holes (32, 45, 46, 47, 51, 52, 53) in hole groups (31, 41, 42, 43) (generally in a triangular orientation for a range of incremental hole sizes) it is possible to provide an image quality indicator which provides a minimum defect size whic... | 08/16/2011 |
| 7982179 | Beam current calibration system A charged particle beam device is described. The charged particle beam device includes an emitter adapted for emitting a primary charged particle beam, a specimen location adapted for holding a specimen, from which secondary and/or backscattered charged particles ar... | 07/19/2011 |
| 7977625 | Method and assembly for optical reproduction with depth discrimination A method and an assembly for generating optical section images permit the three-dimensional, layered optical scanning of spatially extended objects. Illumination patterns with periodicity in at least one direction are projected into a plane and the light from the sa... | 07/12/2011 |
| 7973276 | Calibration method for video and radiation imagers The relationship between the high energy radiation imager pixel (HERIP) coordinate and real-world x-coordinate is determined by a least square fit between the HERIP x-coordinate and the measured real-world x-coordinates of calibration markers that emit high energy r... | 07/05/2011 |
| 7968840 | Optical phase reference A validation apparatus for testing the measurement accuracy of a phase fluorimeter comprising: i) a photodetector responsive to the excitation light emitted by a phase fluorimeter; ii) electronics connected to the detector which calculates ... | 06/28/2011 |
