Detector for automatic exposure control on an x-ray imaging syst

Details Detector for automatic exposure control on an x-ray imaging syst Detector for automatic exposure control on an x-ray imaging syst

1996-12-20

1998-05-12

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

378 97, H05G 144

Patent

active

057517835

ABSTRACT:
Automatic exposure control for an x-ray system using a large area solid state x-ray detector includes an array of photodiodes located behind the x-ray image detector to measure photons passing therethrough. The resulting currents from selective ones of these photodiodes are combined to provide a signal used to control the x-ray exposure.

REFERENCES:
patent: 4980905 (1990-12-01), Meccariello
patent: 4996413 (1991-02-01), McDaniel et al.
patent: 5041888 (1991-08-01), Possin et al.
patent: 5264701 (1993-11-01), Crain
patent: 5267295 (1993-11-01), Strommer
patent: 5331166 (1994-07-01), Yamamoto et al.
patent: 5352884 (1994-10-01), Patrick et al.
patent: 5401668 (1995-03-01), Kwansnick et al.

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