Flat X-ray detector and method for controlling the image...

Details Flat X-ray detector and method for controlling the image... Flat X-ray detector and method for controlling the image...

2007-04-25

2009-06-16

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

C250S370090, C250S370110

Reexamination Certificate

active

07548608

ABSTRACT:
According to at least one embodiment of the invention, the measurement of an image dose is performed in the flat X-ray detector itself. The flat X-ray detector, in at least one embodiment, has a scintillator that converts the incident X-rays into light. The actual image signals are then generated in a light converting layer. A portion of the light generated by the scintillator is branched off, with the use of fiber optic elements, to at least one photocounter. The fraction of the branched off light is fixed, that is to say a measured value determined by the photocounter is proportional to the image dose. It is thereby possible to determine the image dose provisionally during image recording, and to intervene for control purposes by, if appropriate, changing the image recording period (beam time on X-ray tube) and the operating voltage of an X-ray tube during the image recording.

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patent: 102004060870 (2006-06-01), None

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