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X-ray examination apparatus including a dosimeter

  • US 7,233,004 B2
  • Filed: 04/29/2003
  • Issued: 06/19/2007
  • Est. Priority Date: 05/03/2002
  • Status: Expired due to Fees
First Claim
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1. An apparatus including:

  • a radiation source and a radiation sensor device for forming image signals, the radiation sensor device being associated with a read-out circuit arrangement for the amplification/processing of image signals read out, there also being provided at least one dosimeter which is arranged to measure a radiation dose, and in which at least one dose signal generated by the dosimeter is applied at least to the read-out circuit arrangement, wherein each dose signal corresponds to at least one of the image signals, wherein the image signals are applied to the read-out circuit arrangement in dependence on whether a threshold value of the dose signal is exceeded or not reached, wherein only the image signals having a corresponding dose signal below the threshold value are amplified.

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