X-ray or gamma ray systems or devices – Electronic circuit – Exposure timer
Patent
1986-06-16
1987-04-14
Church, Craig E.
X-ray or gamma ray systems or devices
Electronic circuit
Exposure timer
358111, 378112, 378114, 378115, 378116, H05G 164
Patent
active
046584137
ABSTRACT:
An X-ray imaging system which enables recording of an X-ray image of an object at a desired time without substantial delay while fluoroscopically observing the X-ray image with the eye, and in which the filament current of the X-ray tube is kept at a constant level at all times, and the tube voltage is supplied in synchronism with the vertical scanning of a TV camera in the form of pulses, the width of which is changed depending upon whether the X-ray image is fluoroscopically observed with the eye or a picture thereof is radiographically recorded.
REFERENCES:
patent: 3919467 (1975-11-01), Peugeot
Nakanishi Takeshi
Nishioka Hiroyuki
Church Craig E.
Freeman John C.
Shimadzu Corporation
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