X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1988-03-24
1989-02-28
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
358111, 250213VT, H05G 164
Patent
active
048093092
ABSTRACT:
X-ray examination apparatus includes a detector array 32 for the detection of the light beam 10. The array is set up in such a manner that image information from substantially the entire output screen of an X-ray image-intensifier tube incorporated in the apparatus can be detected. The detector array is used for brightness control and for adaptation of the quantities influencing the image quality. Use is made of a measured field which can be programmed spatial image imformation can also be used by the matrix form of the detector.
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Briody Thomas A.
Church Craig E.
Freeman John C.
Haken Jack E.
U.S. Philips Corporation
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