G01N2223/50

Method and apparatus for automatic touchless wireless charging of mobile x-ray cart detectors and accessories
10393886 · 2019-08-27 · ·

A mobile radiography system has a moveable transport frame configured to travel across a floor. An adjustable support structure is coupled to the moveable transport frame and an x-ray source is coupled to the adjustable support structure. A power transmitter emits wireless power signals to a digital detector to charge a battery therein. Power signal receiving circuitry in the detector receives the wireless power signals to generate recharging current for the battery.

Method and system for analyzing an object by diffractometry using a scattering spectrum and a transmission spectrum

A method for analyzing an object includes irradiating the object with incident photon radiation and acquiring an energy spectrum scattered by the material using a spectrometric detector in scatter mode. An energy spectrum transmitted by the material is acquired using a spectrometric detector in transmission mode. A signature (f) is reconstructed representing the object, both from the scatter spectrum measured and from the transmission spectrum measured, and the reconstructed signature thereof is compared with signatures of standard materials.

INTEGRATED SIDE-BY-SIDE PIXEL-ARRAY SENSOR FOR X-RAY BOTH DUAL-ENERGY AND EXTENDED DYNAMIC RANGE SINGLE-ENERGY
20190196028 · 2019-06-27 ·

A radiation image detector comprises two parallel rows of one dimensional pixel arrays in a single substrate so that the two pixel arrays are precisely aligned and spaced. Each pixel in one pixel array has a corresponding pixel in the other pixel array. Two arrays are responsive to radiation with different sensitivity by applying different scintillating material. When an object moves perpendicular to the both pixel arrays under radiation flux, two sets of correlated radiation images will be generated. By applying software image merging technique, dynamic range can be extended. If a filter material is placed in front of pixel array with more sensitivity then it then becomes a standard dual-energy detector. The pixel array with filter is high-energy (HE) detector and the other array is low-energy (LE) detector.

X-RAY SCATTERING APPARATUS
20190170669 · 2019-06-06 · ·

An X-ray scattering apparatus has a sample holder for aligning and orienting a sample to be analyzed by X-ray scattering, an X-ray beam delivery system arranged upstream of the sample holder for generating and directing a direct X-ray beam along a propagation direction towards the sample holder, a proximal X-ray detector arranged downstream of the sample holder as to let the direct X-ray beam pass and detect X rays scattered from the sample, and a distal X-ray detector arranged downstream of the sample holder and movable along the propagation direction (X) of the direct X-ray beam in which the proximal X-ray detector is also movable essentially along the propagation direction of the direct X-ray beam.

Multi-modal Compton and single photon emission computed tomography medical imaging system

A multi-modality imaging system allows for selectable photoelectric effect and/or Compton effect detection. The camera or detector is a module with a catcher detector. Depending on the use or design, a scatter detector and/or a coded physical aperture are positioned in front of the catcher detector relative to the patient space. For low energies, emissions passing through the scatter detector continue through the coded aperture to be detected by the catcher detector using the photoelectric effect. Alternatively, the scatter detector is not provided. For higher energies, some emissions scatter at the scatter detector, and resulting emissions from the scattering pass by or through the coded aperture to be detected at the catcher detector for detection using the Compton effect. Alternatively, the coded aperture is not provided. The same module may be used to detect using both the photoelectric and Compton effects where both the scatter detector and coded aperture are provided with the catcher detector. Multiple modules may be positioned together to form a larger camera, or a module is used alone. By using modules, any number of modules may be used to fit with a multi-modality imaging system. One or more such modules may be added to another imaging system (e.g., CT or MR) for a multi-modality imaging system.

3-DIMENSIONAL X-RAY IMAGER

The invention utilizes one exposure without moving parts to provide multiple x-ray views of an object. It relies on a 3D detector, which can be a stack of film plates, and a specified focusing x-ray optic. The x-ray optic, discussed below, allows collection of x-rays from a localized volume, just like an ordinary optical lens, and the stacked film plate, or other 3D detector design, allows collection of the multiple focal plane information from one line of sight.

DEVICES AND METHODS FOR SAMPLE CHARACTERIZATION
20190128843 · 2019-05-02 ·

Devices and methods for characterization of analyte mixtures are provided. Some methods described herein include performing enrichment steps on a device before expelling enriched analyte fractions from the device for subsequent analysis. Also included are devices for performing these enrichment steps.

X-ray automated calibration and monitoring

A scanner comprises an electromagnetic wave source; a collimator positioned to alter the electromagnetic waves emitted from the electromagnetic wave source into an electromagnetic beam; and a detector positioned to measure one or more levels of electromagnetic energy of the electromagnetic beam, wherein a collimator element is spatially adjustable in at least one axis via one or more adjusting mechanisms to change the one or more levels of electromagnetic energy measured the detector.

Devices and methods for sample characterization
10209217 · 2019-02-19 · ·

Devices and methods for characterization of analyte mixtures are provided. Some methods described herein include performing enrichment steps on a device before expelling enriched analyte fractions from the device for subsequent analysis. Also included are devices for performing these enrichment steps.

TWO-STAGE PIXEL DEVICE WITH ADAPTIVE FRAME GRABBING FOR X-RAY IMAGING WITH OR WITHOUT AUTOMATIC EXPOSURE CONTROL, AND RELATED SYSTEMS, METHODS AND DEVICES
20240272094 · 2024-08-15 ·

Disclosed embodiments include an x-ray imaging system and method that includes a radiation source configured to generate radiation directed toward an object. A computing device may be configured to monitor a number of pixels and capture imaging data when at least some of the radiation passes through the object and impinges on the number of detectors enabling adaptive frame grabbing, which may optionally provide image data input for automatic exposure control (AEC) for exposure duration adjustment based on an AEC output. Such systems and methods may significantly simplify system implementation, irrespective of angular range, number of projection views and scan time in tomosynthesis and other three-dimensional x-ray systems, as well as for two-dimensional x-ray scans with variable exposure pulse duration.