X-ray tomographic apparatus

Details X-ray tomographic apparatus X-ray tomographic apparatus

1997-01-30

1997-12-09

Wong, Don

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378125, 378131, H01J 3510

Patent

active

056968043

ABSTRACT:
In an X-ray tomographic apparatus, while rotating a gantry rotary section around a region where an object to be photographed is placed, the anode target of an X-ray tube is rotated at a predetermined high rotation rate and X-rays are emitted from the anode target. In emitting the X-rays, the rotation torque is increased to be larger than that prior to rotation of the gantry rotary section in accordance with the rotation drive power supplied to a stator coil. A decrease in rotation rate of the anode target of the X-ray tube can be prevented even during rotation of the gantry rotary section, radiation at a necessary and sufficient X-ray dose can be assured, and an X-ray tomographic image can be properly obtained.

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