X-ray diagnostics installation which permits adjustment of the p

Details X-ray diagnostics installation which permits adjustment of the p X-ray diagnostics installation which permits adjustment of the p

1991-01-29

1992-10-13

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

358111, H05G 164

Patent

active

051557533

ABSTRACT:
An x-ray diagnostics installation for producing x-ray images has an x-ray image intensifier with an output screen on which a light image corresponding to x-rays attenuated by an examination subject is present, the light image having a dominant region of primary medical interest. A detector is provided for measuring the mean image brightness of the dominant region, the detector having an optical imaging scale. An adjustment element is provided for varying the optical imaging scale of the detector so that at least one of the position and size of the dominant region is adjustable with respect to the light image.

REFERENCES:
patent: 4472826 (1984-09-01), van de Ven
patent: 4809309 (1989-02-01), Beekmans
Patent Abstracts of Japan vol. 6, No. 168 (p. 139) (1046) Sep. 2, 1982, for Japanese Kokai 57-084446.

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