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US 2018/0075997 A1Published application
X-ray tube and a controller thereof
AssigneeNanox Imaging PLC
InventorsHidenori KENMOTSU, Hitoshi MASUYA
Life of this patent
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Abstract
An X-ray tube comprises a vacuum vessel; a cathode and an anode fixedly disposed inside the vacuum vessel; and a rotary mechanism that rotates the vacuum vessel. The cathode is disposed on the circumference with the rotary shaft of the rotary mechanism as its center and includes a plurality of cathode parts that can individually be turned ON/OFF. The anode includes parts opposite to the plurality of cathode parts, respectively.
Claims6
An X-ray tube comprising:
- a vacuum vessel;
- a cathode and an anode fixedly disposed inside the vacuum vessel;
- and
- a rotary mechanism that rotates the vacuum vessel,
- the cathode being disposed on the circumference with the rotary shaft of the rotary mechanism as its center and including a plurality of cathode parts that can individually be turned ON/OFF,
- the anode including parts opposite to the plurality of cathode parts, respectively.
3 more elements
A controller which controls an X-ray tube,
- the X-ray tube comprising:
- a vacuum vessel;
- a cathode and an anode fixedly disposed inside the vacuum vessel;
- and
- a rotary mechanism that rotates the vacuum vessel,
- the cathode being disposed on the circumference with the rotary shaft of the rotary mechanism as its center and including a plurality of cathode parts that can individually be turned ON/OFF,
- the anode including parts opposite to the plurality of cathode parts, respectively, wherein
- the controller intermittently or continuously selects one of the plurality of cathode parts that generates an electron in a switching manner in sync with the rotation of the rotary mechanism.
5 more elements
Dependencies are inferred from the claim text.