Radiation image detection method and apparatus

Details Radiation image detection method and apparatus Radiation image detection method and apparatus

2011-04-26

2011-04-26

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C250S370070, C250S371000, C378S207000, C378S098110

Reexamination Certificate

active

07932500

ABSTRACT:
A radiation image detection method including the steps of: detecting from a radiation image detector including multitudes of pixels disposed two-dimensionally, each having a TFT switch, an analog image signal of each pixel flowing out through each data line by sequentially switching ON the TFT switches connected to each scanning line on a scanning line-by-scanning line basis; detecting an analog leak level flowing out through each data line with the TFT switches connected to each of the scanning lines being switched OFF each time before switching ON the TFT switches on a scanning line-by-scanning line basis when converting the detected analog image signal to a digital image signal and outputting; and correcting the analog image signal before being converted to the digital image signal based on the leak level.

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patent: 2005/0061987 (2005-03-01), Watadani et al.
patent: 2006/0056588 (2006-03-01), Endo
patent: 2007/0170351 (2007-07-01), Partain et al.
patent: 2003-319264 (2003-11-01), None

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