X-ray examination apparatus including an image sensor matrix wit

Details X-ray examination apparatus including an image sensor matrix wit X-ray examination apparatus including an image sensor matrix wit

1996-12-10

2000-02-22

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 982, H05G 164

Patent

active

060289139

ABSTRACT:
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.

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patent: 5452338 (1995-09-01), Granfors et al.
patent: 5530238 (1996-06-01), Meulengrugge et al.
patent: 5572566 (1996-11-01), Suzuki et al.
patent: 5693948 (1997-12-01), Sayed et al.

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