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8831179 X-ray source with selective beam repositioning  
During operation of an x-ray source, an electron source emits a beam of electrons. Moreover, a repositioning mechanism selectively repositions the beam of electrons on a surface of a target based...
8792610 Method and apparatus for X-ray CT imaging  
An apparatus for X-ray CT imaging including an X-ray irradiation unit configured to irradiate an X-ray toward a subject, an X-ray detector having a plurality of X-ray detection elements along a...
8786217 Interleaving multi-energy X-ray energy operation of a standing wave linear accelerator using electronic switches  
The disclosure relates to systems and methods for fast-switching operating of a standing wave linear accelerator (LINAC) for use in generating x-rays of at least two different energy ranges with...
8761342 Compensation of anode wobble for X-ray tubes of the rotary-anode type  
For X-ray tubes of the rotary-anode type for generating a fan beam of X-rays, compensation is afforded for system-related disturbances of the focal spot position on a target area of the rotating...
8625743 Inverse pulse control for eddy current abatement  
The present embodiments are directed towards the abatement of eddy currents that develop in a conductive material as a result of rapidly switching the magnitude of a magnetic flux proximate the...
8571181 Rapidly switching dual energy X-ray source  
A dual energy X-ray source for use in Homeland Security, Medical, Non-destructive Testing, and other markets includes a power supply, and a single x-ray tube. The X-ray tube includes two cathodes,...
8548118 Apparatus and method for spectral projection imaging with fast KV switching  
A CT system includes a gantry, an x-ray source configured to project x-rays toward an object, an x-ray detector positioned to receive x-rays from the x-ray source that pass through the object, a...
8542801 X-ray tube with secondary discharge attenuation  
The present embodiments relate to off-focal X-ray radiation attenuation within X-ray tubes, for example X-ray tubes used in CT imaging. In one embodiment, an X-ray tube for off-focal X-ray...
8515012 X-ray tube with high speed beam steering electromagnets  
The present embodiments relate to efficient electron beam steering within X-ray tubes, for example X-ray tubes used in CT imaging. In one embodiment, and X-ray tube with enhanced electron beam...
8498378 Method to control the emission of a beam of electrons in a cathode, corresponding cathode, tube and imaging system  
A method for controlling emission of a beam of electrons in an X-ray imaging tube. The X-ray imaging tube has an anode and a cathode. The method comprises a step in which at least one emission...
8483361 Anode target for an x-ray tube and method for controlling the x-ray tube  
Anode targets for an x-ray tube and methods for controlling x-ray tubes for x-ray systems are provided. One x-ray system includes a field-generator configured to generate a field, an electron beam...
8477908 System and method for beam focusing and control in an indirectly heated cathode  
An indirectly heated cathode assembly is presented. The indirectly heated cathode assembly includes at least one electron source for generating a first electron beam, an emitter for producing a...
8457282 Method and system for controlling X-ray focal spot characteristics for tomosynthesis and mammography imaging  
An x-ray tube is described that includes components for increasing x-ray image clarity in the presence of a moving x-ray source by modifying focal spot characteristics, including focal spot size...
8401151 X-ray tube for microsecond X-ray intensity switching  
An injector for an X-ray tube is presented. The injector includes an emitter to emit an electron beam, at least one focusing electrode disposed around the emitter, wherein the at least one focusing...
8360640 X-ray tube and method for examining a target by scanning with an electron beam  
The invention relates to an X-ray tube, especially a microfocus X-ray tube (2), comprising means (18) for orienting an electron beam (10) towards a target (4). A control device (20) is used to...
8358741 Device and method to control an electron beam for the generation of x-ray radiation, in an x-ray tube  
A device to control an electron beam for the generation of x-ray radiation, has an electron emitter to generate an electron beam, to which emitter an emitter voltage can be applied, a diaphragm, at...
8355551 Method and apparatus for reducing image artifacts  
A method and apparatus are provided for reducing motion related imaging artifacts. The method includes determining an internal motion for of two regions of the object, each region having a...
8295442 Apparatus and method for magnetic control of an electron beam  
An apparatus and method for an electron beam manipulation coil for an x-ray generation system includes the use of a control circuit. The control circuit includes a first low voltage source, a...
8284900 Apparatus and method for improved transient response in an electromagnetically controlled X-ray tube  
An x-ray tube assembly includes a vacuum enclosure including a cathode portion, a target portion, and a throat portion. The throat portion includes a magnetic field section, upstream section, and...
8284901 Apparatus and method for improved transient response in an electromagnetically controlled x-ray tube  
An x-ray tube assembly includes a vacuum enclosure that includes a cathode portion, a target portion, and a throat portion having a plurality of recesses formed therein to break up eddy currents...
8280007 Apparatus and method for improved transient response in an electromagnetically controlled X-ray tube  
An x-ray tube assembly includes a vacuum enclosure having a cathode portion, a target portion, and a throat portion comprising a non-electrically conductive tube. The throat portion has an upstream...
8232536 Particle beam irradiation system and method for controlling the particle beam irradiation system  
There is provided a particle beam irradiation system so as to provide the dose distribution having more accuracy. An irradiation control part comprises an energy setting controller that sets the...
8229072 Elongated lifetime X-ray method and apparatus used in conjunction with a charged particle cancer therapy system  
The system uses an X-ray imaging system having an elongated lifetime. Further, the system uses an X-ray beam that lies in substantially the same path as a charged particle beam path of a particle...
8213576 X-ray tube apparatus  
Conventionally, the magnetic field generator was arranged perpendicularly to the axis of the electron beam. The magnetic field generator of this invention is arranged so as to be inclined relative...
8203289 Interleaving multi-energy x-ray energy operation of a standing wave linear accelerator using electronic switches  
The disclosure relates to systems and methods for fast-switching operating of a standing wave linear accelerator (LINAC) for use in generating x-rays of at least two different energy ranges with...
8189742 Fast dose modulation using Z-deflection in a rotaring anode or rotaring frame tube  
A fast dose modulation using a z-deflection in a rotating anode or a rotating frame tube, where the electron beam is deflected from a first focal spot region to a second focal spot region being...
8155272 Methods and apparatus for e-beam scanning  
In one aspect, an x-ray scanning device is provided. The x-ray scanning device comprises a target adapted to convert electron-beam (e-beam) energy into x-ray energy, a detector array positioned to...
8130899 Arrangement for electron beam tomography  
An assembly for electron beam tomography affords continuous and simultaneous recording of two-dimensional slice images of an object in different irradiation planes with a high temporal and spatial...
8126117 Multi-beam X-ray system  
A multi-beam x-ray system includes an x-ray source which emits x-rays and a housing with a first part and a second part. The second part is moveable relative to the first part and includes a...
8126118 X-ray tube and method of voltage supplying of an ion deflecting and collecting setup of an X-ray tube  
The invention relates to an X-ray tube with a cathode, generating an electron beam, and an ion-deflecting and collecting setup (IDC), consisting of a single pair of electrodes, wherein the first...
8000922 Methods and systems for generating information to be used for selecting values for one or more parameters of a detection algorithm  
Methods and systems for generating information to be used for selecting values for parameter(s) of a detection algorithm are provided. One method includes without user intervention performing a...
7983394 Multiple wavelength X-ray source  
A multiple wavelength x-ray source includes a multi-thickness target, having at least a first and a second thickness. The first thickness can substantially circumscribe the second thickness. An...
7970103 Interrogating hidden contents of a container  
According to one embodiment, a system for interrogating hidden contents of a container comprises a controller, a detector system, and a data system. The controller receives a selection of a source...
7965818 Field emission X-ray apparatus, methods, and systems  
Disclosed herein is an x-ray field emission apparatus, system and method, the apparatus having a hollow probe held at vacuum; a cathode enclosed within the probe, the cathode producing an electron...
7945024 Method for reducing X-ray tube power de-rating during dynamic focal spot deflection  
Methods are provided through which X-ray tube power de-rating can be reduced during dynamic focal spot deflection. In one embodiment, a method comprising generating an electron beam, focusing the...
7940894 Elongated lifetime X-ray method and apparatus used in conjunction with a charged particle cancer therapy system  
The system uses an X-ray imaging system having an elongated lifetime. Further, the system uses an X-ray beam that lies in substantially the same path as a charged particle beam path of a particle...
7872241 Method and apparatus for production and maintenance of electron beam space-charge neutralization  
An electron beam production and control assembly includes a vacuum chamber, a beam source, and a target. The target has an active section and an inactive section. The active section is adapted to...
7856086 X-ray generator  
An electron beam corresponding to radiation intensity data is output from an electron source by supplying high energy pulses p-1 through p-n, which correspond to the radiation intensity data of a...
7852979 Dual-focus X-ray tube for resolution enhancement and energy sensitive CT  
A CT system includes a rotatable gantry having an opening for receiving an object to be scanned, at least one x-ray source coupled to the gantry and configured to project x-rays toward the object,...
7839979 Electron optical apparatus, X-ray emitting device and method of producing an electron beam  
It is described an electron optical arrangement, a X-ray emitting device and a method of creating an electron beam. An electron optical apparatus (1) comprises the following components along an...
7809115 Diode for flash radiography  
A flash radiography diode includes a cathode and an anode. The cathode includes a frustum member with a bore extending through the frustum member. The anode is a tapered anode made of an...
7809114 Field emitter based electron source for multiple spot X-ray  
A multiple spot x-ray generator is provided that includes a plurality of electron generators. Each electron generator includes an emitter element to emit an electron beam, a meshed grid adjacent...
7792241 System and method of fast KVP switching for dual energy CT  
A CT system includes a rotatable gantry having an opening for receiving an object to be scanned and an x-ray source coupled to the gantry and configured to project x-rays through the opening. The...
7738632 X-ray tube with transmission anode  
An x-ray tube has a cathode that generates free electrons; an anode on which the free and accelerated electrons strikes so that x-ray radiation is generated; a cooling channel with coolant flowing...
7729468 X-ray tomograph and stereoradioscopic image construction equipment  
An X-ray tomograph comprises an X-ray generator having a function of moving the focal position and radiating X-rays toward a subject, an X-ray image receiving element for receiving transmission...
7715529 X-ray tube  
An X-ray tube is disclosed. The X-ray tube can include a cathode configured to emit electrons, an anode that has a surface arranged parallel to an emission direction of the electrons and is...
7696488 Irradiating device and method for controlling the same  
An irradiating device and a method for controlling it are provided. The device comprises an electron accelerator and a scanning box connected to the electron accelerator, wherein the scanning box...
7680242 X-ray examination method and X-ray examination apparatus  
An X-ray examination apparatus includes a scanning X-ray source for outputting X-rays, a sensor base which is attached with a plurality of X-ray sensors and which rotates about a rotation axis, and...
7668296 X ray tube assembly and method of manufacturing and using the X ray tube assembly  
In one embodiment, an X ray tube assembly is provided. The X ray tube assembly comprises an evacuated envelope, an anode disposed at a first end of the evacuated envelope and a cathode assembly...
7649980 X-ray source  
A transmission target of a vacuum container is operable to have a ground potential and an electro-optical system is floated at a positive potential in the vacuum container. An electron beam, which...
Matches 1 - 50 out of 271 1 2 3 4 5 6 >