Radiography

Details Radiography Radiography

1977-03-02

1979-01-30

Church, Craig E.

Radiant energy

With charged particle beam deflection or focussing

With target means

250416TV, G03B 4116

Patent

active

041374541

ABSTRACT:
In pulsed X-ray fluoroscopy in which the fluoroscopic screen receiving the X-rays is subsequently observed by a video recording system incorporating an image intensifier, the quality of the video image is impaired because of electrical noise and phosphor flare. The image quality is improved by reducing the gain of the video system synchronously with the occurrence of each X-ray pulse. In addition, the residual disturbance left on the video output is stabilized by synchronizing the video framing cycle frequency with the X-ray pulse frequency.

REFERENCES:
patent: 3745245 (1973-07-01), Yunde

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