Image pick-up apparatus and x-ray examination apparatus includin

Details Image pick-up apparatus and x-ray examination apparatus includin Image pick-up apparatus and x-ray examination apparatus includin

1998-07-10

2000-10-10

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 9812, H04N 100

Patent

active

06130932&

ABSTRACT:
The image pick-up apparatus includes a plurality of image sensors (2, 3) for picking up sub-images by deriving sub-image signals from sub-images and also a correction system (4, 43, 44, 45) for deriving corrected brightness values from brightness values of the sub-images and a correction signal. The correction system is provided with a light source (4), for example a LED, for exposing at least one of the image sensors in order to generate one or more measurement signals from the exposed image sensor or sensors. The correction system is arranged to derive the correction signal from the one or more measurement signals. An image pick-up apparatus of this kind is used, for example in an X-ray examination apparatus.

REFERENCES:
patent: 5541974 (1996-07-01), Sklebitz
patent: 5602402 (1997-02-01), Yasuda
patent: 5602896 (1997-02-01), Diepstraten
patent: 5778044 (1998-07-01), Bruijns

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