Radiographic apparatus

Details Radiographic apparatus Radiographic apparatus

2006-02-28

2006-02-28

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

C378S098800, C378S019000, C250S370080, C250S370090

Reexamination Certificate

active

07006599

ABSTRACT:
A radiographic apparatus removes lag-behind parts from radiation detection signals taken from an FPD as X rays are emitted from an X-ray tube, on an assumption that the lag-behind part included in each X-ray detection signal is due to an impulse response formed of exponential functions, N in number, with different attenuation time constants. The lag-behind parts are removed by using impulse responses corresponding to variations in the sensor temperature of the FPD. X-ray images are created from corrected radiation detection signals with the lag-behind parts removed therefrom.

REFERENCES:
patent: 5249123 (1993-09-01), Hsieh
patent: 5452338 (1995-09-01), Granfors et al.
patent: 5517544 (1996-05-01), Levinson
patent: 5644610 (1997-07-01), Crawford et al.
patent: 6265720 (2001-07-01), Yamazaki et al.
patent: 6493646 (2002-12-01), Hsieh et al.

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