Matches 1 - 14 out of 14


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US20120039442 HIGH-VOLTAGE APPARATUS, AND RADIATION SOURCE AND RADIOSCOPIC APPARATUS HAVING THE SAME  
In a high-voltage apparatus according to this invention, a predetermined voltage is applied to a rotating anode after waiting until the number of rotations increases to such an extent that the...
US20120140894 METHOD AND X-RAY DEVICE TO DETERMINE THE VALUE OF THE TUBE VOLTAGE  
In a method and x-ray device to determine the value of an x-ray tube voltage to generate at least one image of defined tissue to be examined, at least one provided parameter is used that...
US20100098217 FAST SWITCHING CIRCUIT FOR X-RAY IMAGING APPLICATIONS  
A system is provided, which includes a rotatable gantry for receiving an object to be scanned. The system includes an x-ray source for projecting x-rays of two different energy levels towards the...
US20110103552 VOLTAGE STABILIZATION FOR GRID-CONTROLLED X-RAY TUBES  
The present embodiments improve the radiation monochromy of an x-ray device with a control electrode for controlling a flow of electrons generated between a cathode and an anode. A correction...
US20090034686 X-RAY APPARATUS  
An X-ray apparatus includes a converter into which there is integrated a control logic circuit configured to regulate the supply voltage of a high-voltage power supply source of the X-ray...
US20100254515 INVERTER DEVICE AND X-RAY HIGH-VOLTAGE DEVICE USING THE INVERTER DEVICE  
There is provided an inverter device that can detect short-circuit of a switching element of an inverter circuit even under a load condition that a PWM driving signal is very small. The inverter...
US20150264789 METHODS AND SYSTEMS FOR CONTROLLING VOLTAGE SWITCHING  
Methods and systems for controlling voltage switching are provided. One system includes a transformer having primary and second windings, and a plurality of switching devices, wherein at least two...
US20110235783 X-RAY GENERATING APPARATUS AND CONTROL METHOD THEREOF  
An X-ray generating apparatus controls driving of an X-ray tube. The X-ray tube includes an electron source emitting electrons due to application of a voltage, a transmission-type target...
US20160192466 Energy Imaging With Controlled Rise And Fall Times  
Rise times and fall times provided by a high voltage generator are controlled to maintain image quality during such scans. The rise and fall times are controlled by first measuring rise and fall...
US20160192465 Energy Imaging With Generally Constant Energy Separation  
The present inventors have recognized that fall times between high-kV to low-kV levels (during a “dual energy” or “fast-kV” energy scan) are linked to the discharge of HV (high voltage)...
US20160183355 SELECTING SCANNING VOLTAGES FOR DUAL ENERGY CT SCANNING  
A method and apparatus for selecting high and low energy scanning voltages for a dual energy CT scanner are provided. The method may comprise: setting a criterion of selection for selecting high...
US20160021726 HIGH-FREQUENCY WAVE TYPE OF X-RAY GENERATOR  
A high frequency X-ray generator includes an anode voltage generator, a cathode voltage generator and a X-ray tube. The anode voltage generator is configured to generate a first high voltage. The...
US20150312999 MEDICAL IMAGING APPARATUS  
A medical imaging apparatus includes an anode rotating type X-ray tube which generates X-rays, a high voltage generation unit implemented by circuitry which generates a high voltage to be applied...
US20150271904 X-RAY DEVICE WITH A CONTROL UNIT AND METHOD FOR CONTROLLING ENERGY CONSUMPTION  
An x-ray device is suitable for recording x-ray images and has a number of electrically-operated system components as well as a central unit for central control of the energy consumption of the...

Matches 1 - 14 out of 14