Matches 1 - 17 out of 17


Match Document Document Title
US20130301807 Adaptive X-Ray Filter  
An adaptive X-ray filter for varying a local intensity of X-ray radiation includes a first chamber containing a magnetorheological or electrorheological first liquid, a second chamber containing a...
US20100195802 X-RAY FLUX MANAGEMENT DEVICE  
The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially...
US20130287179 Adaptive X-Ray Filter and Method for Adaptive Attenuation of X-Ray Radiation  
An adaptive x-ray filter and an associated method for changing a local intensity of x-ray radiation are provided. The adaptive x-ray filter includes a first fluid absorbing x-ray radiation and...
US20100074393 BEAM FILTER, PARTICULARLY FOR X-RAYS  
The invention relates to a beam filter (10) that can particularly be used in spectral CT-applications for producing a desired intensity profile of a radiation beam without changing its spectral...
US20100296631 FILTERING OF A SOURCE OF PULSED RADIATION  
A source of pulsed radiation is coupled to a positionable filter. The positionable filter includes an element that produces an indication of a position of the filter. The source is configured to...
US20100172464 METHOD OF AND SYSTEM FOR LOW COST IMPLEMENTATION OF DUAL ENERGY CT IMAGING  
The disclosed CT scanner comprises at least one source of X-rays; a detector array comprising a plurality of detectors; and an X-ray filter mask arrangement disposed between the source of X-rays...
US20100189216 FILTER AND X-RAY IMAGING SYSTEM  
A filter capable of adjusting spectrum in multiple stages and that capable of attaining the reduction of size, as well as an X-ray imaging system having such a filter, are provided. The filter,...
US20120106699 METHOD AND APPARATUS FOR RADIATION IMAGING  
This invention relates to a method and an apparatus, primarily a radiation imaging apparatus and an array of coded aperture masks, for use in diagnostic nuclear medicine. The coded aperture masks...
US20100246775 FILTER AND X-RAY IMAGING APPARATUS USING THE FILTER  
A filter includes a plurality of filter plates for adjusting X-ray energy spectrum, a plurality of rails for fixedly supporting the filter plates, a plurality of cams which are respectively...
US20100111262 Apparatus and method of narrow band x-ray filtering  
Disclosed are an apparatus and method of filtering a narrow band X-ray. The apparatus includes a micro filter array to configure a plurality of micro filters in an array, a filter array storing...
US20160372227 ADJUSTABLE X-RAY FILTER  
The present invention pertains to a system and method for adaptive X-ray filtration comprising a volume of X-ray attenuating material with a central less attenuating three-dimensional region. The...
US20160260515 TALBOT EFFECT BASED NEARFIELD DIFFRACTION FOR SPECTRAL FILTERING  
The invention relates to a grating arrangement and a method for spectral filtering of an X-ray beam (B), the grating arrangement comprising: a dispersive element (10) comprising a prism configured...
US20160189818 X-RAY IMAGING SYSTEM AND METHOD WITH A REAL-TIME CONTROLLABLE 3D X-RAY ATTENUATOR  
An X-ray imaging system including an X-ray source, an X-ray collimator, a real-time controllable 3D X-ray attenuator, a digital X-ray detector, and a system controller coupled to the X-ray...
US20160174917 ADJUSTABLE BOW-TIE FILTER FOR ACHIEVING OPTIMAL SNR IN HELICAL COMPUTED TOMOGRAPHY  
A filter assembly for use in a helical computed tomography system having an x-ray source for projecting x-ray beams along a projection axis is presented, the filter assembly including a first...
US20160155525 X-Ray Filter For X-Ray Powder Diffraction  
Technologies are described for apparatus, methods and systems effective for filtering. The filters may comprise a first plate. The first plate may include an x-ray absorbing material and walls...
US20160113602 DYNAMIC BOWTIE FILTER FOR CONE-BEAM/MULTI-SLICE CT  
Dynamic bowties, imaging systems including a bowtie, and methods of imaging including such bowties or systems are provided. A bowtie can be a three-dimensional (3-D) dynamic bowtie and can include...
US20150297155 PRE-OBJECT FILTER FOR SHAPING PROFILE OF RADIATION ATTENTUATION IN FAN-ANGLE DIRECTION  
Among other things, one or more systems and/or techniques are described for shaping a profile of radiation attenuation in a fan-angle direction via a pre-object filter (e.g., a bowtie filter)...

Matches 1 - 17 out of 17