X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1989-05-26
1991-02-05
Howell, Janice A.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
378106, 358111, H05G 164, H05G 122, H04N 532
Patent
active
049911929
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 charge storage sections to charge transfer sections.
REFERENCES:
patent: Re32164 (1986-05-01), Kruger
patent: 4185198 (1980-01-01), Fujimoto
patent: 4442539 (1984-04-01), Aichinger et al.
patent: 4555728 (1985-11-01), Fenster et al.
patent: 4612572 (1986-09-01), Komatsu et al.
patent: 4628355 (1986-12-01), Ogura et al.
Howell Janice A.
Kabushiki Kaisha Toshiba
Wong Don
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