Invention Grant
US09042519B2 Radiographing system, method of controlling automatic exposure in radiographing system, and radiological image detection device
有权
射线照相系统，放射摄影系统中自动曝光控制方法，放射图像检测装置
- Patent Title: Radiographing system, method of controlling automatic exposure in radiographing system, and radiological image detection device
- Patent Title (中): 射线照相系统，放射摄影系统中自动曝光控制方法，放射图像检测装置
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Application No.: US13603075Application Date: 2012-09-04
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Publication No.: US09042519B2Publication Date: 2015-05-26
- Inventor: Takeshi Kuwabara , Takeshi Kamiya , Yusuke Kitagawa
- Applicant: Takeshi Kuwabara , Takeshi Kamiya , Yusuke Kitagawa
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2011-193190 20110905; JP2011-193191 20110905
- Main IPC: A61B6/10
- IPC: A61B6/10 ; A61B6/00
Abstract:
A compensation circuit 76 of an AEC unit 67 of an electronic cassette 13 defines the detection signal of a detection pixel 65 of the electronic cassette 13 as a detection signal corresponding to the detection signal of an old AEC sensor 25. The compensation circuit 76 performs compensation so as to exclude the influence on the detection signal due to a difference in the configuration of an intermediate member disposed between an X-ray source 10 and an FPD 35 of the electronic cassette 13 when the detection pixel 65 is used as an AEC sensor instead of the old AEC sensor 25. The detection signal is transmitted from a detection signal I/F 80 to a detection signal I/F 26 of a source control device 11 as it is (instantaneous value) or as an accumulated value obtained using an integration circuit 77.
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