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7391504 |
Low cost night vision apparatus and cockpit lighting compatibility evaluation via visual acuity
A cost considered arrangement for evaluating local illumination interference with operation of a night vision apparatus in for example the confines of an illumination inclusive aircraft cockpit....
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7391015 |
System and method for data collection in recursive mass analysis
Systems, methods, and computer programming for collecting data using a mass spectrometer comprising a particle detector or other mass analyzer. A data collection such as a tree or array structure...
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7385190 |
Reference mass introduction via a capillary
A mass calibration apparatus for a mass spectrometer includes a capillary, an analyte ion source coupled to the capillary at a first point, a reference mass ion source coupled to the capillary at a...
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7385184 |
Volume calibration phantom and calibration method thereof
A volume calibration phantom comprises a container; a plurality of plates stacking up inside the container; and at least one slab of radioactive source, each of which is disposed between the...
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7381948 |
Mass spectroscope and method of calibrating the same
An ion resonance condition is corrected accurately in an ion trapping device. Measurements are repeated by alternately applying and not applying a resonance frequency voltage while spectral data is...
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7375347 |
Systems and methods for extending the useful life of optical sensors
The present invention provides a method for increasing the lifetime of an optical sensor. In one aspect, the method includes the step of configuring the optical sensor so that the duty cycle of...
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7372017 |
Method for equalizing a butting structure and x-ray system
A plurality of plates is bonded together by butting in order to manufacture a flat-plate x-ray detector. The butting determines artifacts in x-ray images taken with the flat-plate x-ray detector....
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7372016 |
Calibration standard for a dual beam (FIB/SEM) machine
Calibration of measurements of features made with a system having a micromachining tool and an analytical tool is disclosed. The measurements can be calibrated with a standard having a calibrated...
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7368707 |
Radiation detector including means for indicating satisfactory operation
A radiation detector, comprising a sensitive volume filled with a counter gas; an anode and a cathode each in communication with the counter gas; a voltage supply for maintaining a potential...
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7365306 |
Standard member for length measurement, method for producing the same, and electron beam length measuring device using the same
This invention provides an electron beam length measuring technology including a standard component for length measurement that has a finer standard dimension, and its producing method. The...
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7361898 |
Scanning electron microscope and CD measurement calibration standard specimen
A calibration standard specimen is provided to have formed therein calibrating patterns of a lattice shape discontinuously arrayed, and particular alignment patterns respectively disposed near the...
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7356120 |
Integrated quality assurance for in image guided radiation treatment delivery system
A method and apparatus for quality assurance of an image guided radiation treatment delivery system. A quality assurance (“QA”) marker is positioned at a preset position under guidance of an...
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7355183 |
Imaging device
In order to monitor an imaging device for x-ray machines it is proposed that reference system data ( 19 ) be recorded in conjunction with a calibration ( 16 ) or offset acquisition and that current...
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7351954 |
Method and apparatus for detecting gas concentration with infrared absorption characteristics
A method and an apparatus for detecting gas concentration with infrared absorption characteristics have the function of automatic calibration. The function of automatic calibration is accomplished...
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7346378 |
Light transmission simulator for pulse oximeter
A living tissue light transmission simulator system ( 208, 308 ) includes receptors of light ( 215, 216, 315, 316 ) in portions of the infrared and red spectral bands and the receptors ( 215, 216,...
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7345281 |
Method and system for calibrating a time of flight positron emission tomography system
A method and system for calibrating a time of flight (TOF) positron emission tomography (PET) scanner are provided. The method stores acquired scan data from detector pairs including data and...
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7345274 |
Method for performing in vivo dosimetry
The present invention relates to a method enabling quantification of dose delivery in radiotherapy treatment during patient-specific treatment of the patient utilizing measurements in predefined...
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7342221 |
Radiation image pick-up device, radiation image pick-up method, and image pick-up system
A plurality of correction images are obtained while changing the radiation energy of an incident radiation in the absence of an object. Subsequently, an object image is obtained in the presence of...
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7339159 |
Phantom for evaluating accuracy of image registration software
Provided is a phantom for evaluating the accuracy of image registration software based on a result of matching tomograms of a predetermined position of the phantom, taken using two or more imaging...
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7323686 |
Sensor for monitoring the immediate vicinity of a motor vehicle
A sensor for monitoring the immediate vicinity of a motor vehicle comprises an infrared emitter that is arranged behind a lens and a receiver for reflected infrared radiation, as well as an...
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7314311 |
Method for testing the quality of a detector module for an x-ray computer tomograph
A method is for testing the quality of a detector module for an x-ray computer tomograph. In order to achieve a quality test of detector modules, it is proposed in at least one embodiment, to fit a...
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7312438 |
Radiological imaging apparatus and timing correction method therefor
A processing circuit, which carries out coincidence counting, acquires calibration data so that time delays of γ-ray detection signals from radiation detectors coincide with one another. A...
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7307252 |
Detector head position correction for hybrid SPECT/CT imaging apparatus
A system and method provide for more accurate SPECT/CT image registration. CT data is utilized to establish a global spatial coordinate system of a common test phantom. The common test phantom is...
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7307251 |
Active background control for infrared cameras
A light source is injected into an optical path of a camera to provide a controlled background to insure optimum uniformity of performance of the camera. An optical system, camera, image background...
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7304297 |
Thermal imager utilizing improved radiometric calibration technique
A thermal imaging apparatus comprises a thermal image camera having a lens and a display. The camera further includes a focal plane array located behind the lens for converting imaging radiation to...
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7301144 |
Method and system for calibrating a positron emission tomography system
Methods and systems for calibrating a positron emission tomography (PET) system are provided. The method includes determining at least one non-acquisition time period for the PET system. The method...
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7297938 |
Integrated black body and lens cap assembly and methods for calibration of infrared cameras using same
A black body assembly is provided for use in the calibration of infrared cameras. The assembly includes, among other things, a housing within which calibration components may be situated, and a...
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7292721 |
Calibration of tissue densities in computerized tomography
A hybrid calibration method uses a calibration phantom (exterior reference) scanned simultaneously with the patient, and one or more known tissues of the subject (interior reference) to create a...
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7291849 |
Calibration standard for transmission electron microscopy
A calibration standard includes a silicon substrate having a plurality of defined regions and a plurality of calibration marks placed on respective defined regions of the silicon substrate. Each...
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7288759 |
Tissue-like phantoms
The invention is based, in part, on the discovery that by combining certain components one can generate a tissue-like phantom that mimics any desired tissue, is simple and inexpensive to prepare,...
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7286869 |
Choice of wavelengths for multiwavelength optical imaging
The present invention relates to a method for wavelength selection in a multi-wavelength TPSF or CW-based optical imaging system. This consists of identifying several chromophores in a highly...
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7279685 |
Radiation detector
The invention is a digital radiation detector utilizing the stable timing functions of a microcontroller or plurality of microcontrolling devices to perform three independent functions. A first...
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7279676 |
Position sensitive radiation spectrometer
A position sensitive radiation spectrometer for identifying, quantifying, and locating a radioactive source in a target. The position sensitive radiation spectrometer includes an array of gamma-ray...
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7274453 |
Methods and apparatus for calibrating an electromagnetic measurement device
Methods and apparatus for measuring an electromagnetic radiation response property associated with a substrate and calibrating an electromagnetic measurement device are disclosed. The methods and...
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7274013 |
Automatic gain adjust utility for radiation spectrometers
In a preferred embodiment, an automatic gain adjust method for radiation spectrometers, including: placing a calibration source emitting known energies at a radiation detector; acquiring a spectrum...
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7268354 |
Method for operation of a counting radiation detector with improved linearity
A method is for operation of a counting radiation detector, in particular of a counting X-ray detector, with improved linearity, in which each detector element of the counting radiation detector...
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7265343 |
Apparatus and method for calibration of an optoelectronic sensor and for mensuration of features on a substrate
The invention is based on an apparatus and a method for calibration of an optoelectronic sensor ( 3 ) that at least intermittently also receives UV light. A first response characteristic of the...
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7263870 |
Gauge calibration method
The instrument panel gauge assembly includes an applique having gauge graphics printed thereon and a needle pointer for a gauge assembly positioned adjacent thereto. A transparent chaplet is formed...
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7262865 |
Method and apparatus for controlling a calibration cycle or a metrology tool
A method and apparatus for controlling when a calibration cycle is started for a metrology tool. The method and apparatus exploits a correlation between a drift of a first parameter (e.g., film...
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7262842 |
Device for referencing fluorescence signals
The invention relates to a device for referencing fluorescence signals and/or calibration of fluorescence detection systems, whereby the device comprises an essentially non-fluorescing support, on...
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7256392 |
Inspection method of radiation imaging system and medical image processing apparatus using the same, and phantom for use of inspection of radiation imaging system
A phantom, adapted to be radiation-imaged to obtain a radiation image for evaluation in inspection of a radiation imaging system, is capable of performing both the quantitative evaluation and the...
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7253401 |
Spectral gamma ray logging-while-drilling system
A method for determining concentrations of naturally occurring radioactive elements in earth formation by analysis of gamma ray energy spectra measured by at least one gamma ray detector while the...
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7253400 |
Calibration of infra red cameras
A reference surface for calibrating cooled infra red detectors includes a plurality of corner cube units which reflect radiation incident directly on them. The surface of each corner cube unit is...
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7247873 |
Quality control system for irradiation apparatus
A quality control system for an irradiation apparatus includes a radiation image reading system. The radiation image reading system reads out a radiation image from a stimulable phosphor panel...
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7247844 |
Instrument and method to facilitate and improve the timing alignment of a pet scanner
A system for providing the timing alignment for a scanner. The system includes a removable source and detector assembly which is placed near the center of the scanner when in use. The source...
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7244930 |
Radiation detection method and system using the sequential probability ratio test
A method and system using the Sequential Probability Ratio Test to enhance the detection of an elevated level of radiation, by determining whether a set of observations are consistent with a...
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7235785 |
Imaging device with multiple fields of view incorporating memory-based temperature compensation of an uncooled focal plane array
A plurality of temperature dependent focal plane arrays operate without a temperature stabilization cooler and/or heater over a wide range of ambient temperatures. Gain, offset and/or bias...
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7235779 |
Night vision-weighted irradiance testing
A self-contained, military usage compatible, stabilized illumination calibration system and method of using same to enable in-the-field accurate determination of the low-level light falling on the...
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7235770 |
Method for calibrating deviation of OECFs and apparatus thereof
A method suitable for calibrating the deviation of opto-electronic conversion functions (OECFs) in an imaging apparatus is provided. The method of calibrating the deviation of OECFs comprises the...
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7232990 |
Peak detection calibration for gamma camera using non-uniform pinhole aperture grid mask
Point source responses of pinhole apertures in a non-uniform grid mask used to spatially calibrate a gamma camera can be modeled as a two-dimensional Gaussian function with a set of seven...
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