Apparatus and method for radiation imaging

Details Apparatus and method for radiation imaging Apparatus and method for radiation imaging

1993-08-19

1995-03-28

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 982, A61B 600

Patent

active

054024633

ABSTRACT:
An X-ray imaging apparatus is constructed with a combination of an X-ray image intensifier, a relay optical system, and a video camera with avalanche multiplication camera tube. The video camera is controlled by an image acquisition circuit, a synchronizing signal generation circuit, and an applying voltage control circuit. The applying voltage control circuit for controlling the voltage to be applied to the video camera with avalanche multiplication camera tube controls the applying voltage on the basis of image data in an image memory so that the gray scale level of a detected visible image is corrected.

REFERENCES:
patent: 4375068 (1983-02-01), McBride
patent: 5022063 (1991-06-01), Yokouchi et al.

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