Method and apparatus for acquiring radiation image signals

Details Method and apparatus for acquiring radiation image signals Method and apparatus for acquiring radiation image signals

2007-07-10

2007-07-10

Hannaher, Constantine (Department: 2884)

Radiant energy

Source with recording detector

Using a stimulable phosphor

Reexamination Certificate

active

10391272

ABSTRACT:
Stimulating rays containing red light and infrared rays are reflected from a reference plate, which has reflection characteristics to the infrared rays approximately identical with those of a stimulable phosphor sheet, and which is free from characteristics of emitting light when being exposed to the stimulating rays. The stimulating rays reflected from the reference plate are received with a light receiving device via a cut-off filter for transmitting light emitted by the sheet and blocking the red light, and an infrared ray image signal representing the infrared ray components of the stimulating rays is acquired. The infrared ray image signal is subtracted from a radiation image signal representing a radiation image stored on the stimulable phosphor sheet.

REFERENCES:
patent: 2001/0032943 (2001-10-01), Isoda et al.
patent: 2003/0042445 (2003-03-01), Mitchell et al.

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