X-RAY EXAMINATION APPARATUS INCLUDING AN IMAGE SENSOR MATRIX WITH A CORRECTION UNIT

An X-ray examination apparatus utilizes an image sensor matrix for picking up an X-ray image, i.e. for converting incident X-rays into electric charges. The X-ray examination apparatus includes a control circuit for controlling the image sensor matrix so as to form a dark signal. The X-ray examinati...

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Bibliographische Detailangaben
Hauptverfasser:	LUIJENDIJK, JOHANNES, ALBERT, STOUTEN, JOHANNES, JACOBUS, MEULENBRUGGE, HENDRIK, JAN, ALVING, PETER, LEX
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SURGERY TESTING
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Beschreibung
Zusammenfassung:	An X-ray examination apparatus utilizes an image sensor matrix for picking up an X-ray image, i.e. for converting incident X-rays into electric charges. The X-ray examination apparatus includes a control circuit for controlling the image sensor matrix so as to form a dark signal. The X-ray examination apparatus also includes a correction unit which is arranged to derive the electronic image signal from the primary image and the dark signal. The electronic image signal represents image information in the X-ray image and has not been disturbed by electric charges which have been read with a delay.