Apparatus and method for distinguishing energy bands of photons in multi-energy radiation 멀티-에너지 방사선에 포함된 광자의 에너지 대역을 구분하기 위한 장치 및 방법

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An apparatus for distinguishing an energy band of a photon in a readout circuit that counts photons in multi-energy radiation incident onto a sensor for each energy band includes an integrator configured to accumulate an electric signal received from the sensor that has undergone photoelectric conversion from the photon; a comparator configured to compare an accumulated electric signal received from the integrator with one of a plurality of threshold values; and a signal processor configured to instruct sequential switching from one of the plurality of threshold values to another one of the plurality of threshold values according to a result of a comparison received from the comparator; and output a digital signal that distinguishes an energy band of the photon based on results received from the comparator of sequential comparisons of the accumulated electric signal with the plurality of threshold values.
Assignee
KAIST, Samsung Electronics Co., Ltd.
Country
US (United States)
Application Date
2012-07-30
Application Number
13561503
Registration Date
2016-01-19
Registration Number
9239391
URI
http://hdl.handle.net/10203/261801
Appears in Collection
EE-Patent(특허)
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