Method of and apparatus for reading out radiation image

Details Method of and apparatus for reading out radiation image Method of and apparatus for reading out radiation image

2007-08-14

2007-08-14

Porta, David (Department: 2884)

Radiant energy

Source with recording detector

Including a light beam read-out

Reexamination Certificate

active

11081509

ABSTRACT:
A radiation image read out from a radiation image sensor, which stores electric charges corresponding to the amount of radiation exposed onto the radiation image sensor upon exposure of radiation carrying thereon a radiation image and stores the radiation image, by causing the radiation image sensor to output an electric signal corresponding to the stored electric charges and by amplifying the output electric signal by a reading amplifier. A part of the stored electric charges are read before reading the radiation image and, the gain of the reading amplifier is changed on the basis of the amount of electric charges of the part of the stored electric charges which has been read before reading the radiation image.

REFERENCES:
patent: 4687937 (1987-08-01), Aagano et al.
patent: 4864132 (1989-09-01), Adachi et al.
patent: 5864146 (1999-01-01), Karellas
patent: 2002/0179868 (2002-12-01), Shoji
patent: 2002-224095 (2002-08-01), None

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