JP2010115354A5 - - Google Patents
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- JP2010115354A5 JP2010115354A5 JP2008290886A JP2008290886A JP2010115354A5 JP 2010115354 A5 JP2010115354 A5 JP 2010115354A5 JP 2008290886 A JP2008290886 A JP 2008290886A JP 2008290886 A JP2008290886 A JP 2008290886A JP 2010115354 A5 JP2010115354 A5 JP 2010115354A5
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また、図４（Ｂ）に示すように、両側にシフト検出器２０４ａ，２０４ｂが設けられている場合は、領域Ａの出力データＶａ、領域Ｂの出力データＶｂ、領域Ｃの出力データＶｃ、及び領域Ｄの出力データＶｄが、制御装置２０２のシフト検出処理部１２に入力される。シフト検出器出力処理部１２は、入力された出力データから、領域Ａの出力データＶａと領域Ｃの出力データＶｃとの和（Ｖａ＋Ｖｃ）、及び、領域Ｂの出力データＶｂと領域Ｄの出力データＶｄとの和（Ｖｂ＋Ｖｄ）を算出し、出力選択制御部１３へ送出する。 As shown in FIG. 4B, when shift detectors 204a and 204b are provided on both sides, the output data Va of region A, the output data Vb of region B, the output data Vc of region C, and The output data Vd of the region D is input to the shift detection processing unit 12 of the control device 202. The shift detector output processing unit 12 calculates the sum (Va + V c ) of the output data Va of the area A and the output data V c of the area C , and the output data V b and the area D of the area B from the input output data. The sum (V b + Vd) with the output data Vd is calculated and sent to the output selection control unit 13.
シフト位置算出部１４は、出力選択制御部１３によって選択された、いずれかの出力データ（Ｘ線検出器２０５のシフト検出チャネル器の出力データ（Ｖｓ，Ｖｔ）、またはシフト検出器２０４ａ，２０４ｂの出力データ（Ｖａ＋Ｖｃ，Ｖｂ＋Ｖｄ）を用いて、Ｘ線照射位置のシフト位置を算出し、シフト位置に応じた補正方向を示す補正信号をシフト位置補正部１５へ送出する。 The shift position calculation unit 14 selects one of the output data (output data (Vs, Vt) of the shift detection channel device of the X-ray detector 205, or the shift detectors 204a and 204b) selected by the output selection control unit 13. Using the output data (Va + V c , V b + Vd), the shift position of the X-ray irradiation position is calculated, and a correction signal indicating a correction direction corresponding to the shift position is sent to the shift position correction unit 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008290886A JP5242350B2 (en) | 2008-11-13 | 2008-11-13 | X-ray CT system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008290886A JP5242350B2 (en) | 2008-11-13 | 2008-11-13 | X-ray CT system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010115354A JP2010115354A (en) | 2010-05-27 |
| JP2010115354A5 true JP2010115354A5 (en) | 2011-12-08 |
| JP5242350B2 JP5242350B2 (en) | 2013-07-24 |
Family
ID=42303408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008290886A Expired - Fee Related JP5242350B2 (en) | 2008-11-13 | 2008-11-13 | X-ray CT system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5242350B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4202457B2 (en) * | 1998-02-26 | 2008-12-24 | 株式会社日立メディコ | X-ray CT system |
| US6094469A (en) * | 1998-10-21 | 2000-07-25 | Analogic Corporation | Computed tomography system with stable beam position |
| JP2005143812A (en) * | 2003-11-14 | 2005-06-09 | Hitachi Medical Corp | X-ray computed tomograph |
-
2008
- 2008-11-13 JP JP2008290886A patent/JP5242350B2/en not_active Expired - Fee Related
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