X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1990-12-03
1992-03-31
Howell, Janice A.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
378 98, 358111, H05G 164
Patent
active
051014211
ABSTRACT:
An X-ray imaging apparatus comprises an X-ray generator, an image intensifier for converting an X-ray image of a subject under examination to an optical image, a solid state image sensor for picking up the optical image of the image intensifier, a driver circuit for driving the solid state image sensor and a television monitor for visually displaying an image signal obtained from the solid state image sensor as an X-ray optical image. The X-ray generator is controlled such that an X-ray pulse is not emitted during an interval in which the solid state image sensor transfers charges from image sensing sections to charge storage sections.
REFERENCES:
patent: 4612572 (1986-09-01), Komatsu et al.
patent: 4901336 (1990-02-01), Nishiki
patent: 4991192 (1991-02-01), Nishiki
Howell Janice A.
Kabushiki Kaisha Toshiba
Wong Don
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