JPS58117609U - CT scanner - rotation control method - Google Patents
CT scanner - rotation control methodInfo
- Publication number
- JPS58117609U JPS58117609U JP1370082U JP1370082U JPS58117609U JP S58117609 U JPS58117609 U JP S58117609U JP 1370082 U JP1370082 U JP 1370082U JP 1370082 U JP1370082 U JP 1370082U JP S58117609 U JPS58117609 U JP S58117609U
- Authority
- JP
- Japan
- Prior art keywords
- rotation angle
- scanner
- motor
- rotation control
- control method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
、第1図は、従来のC′Fスキャナー回転制御機構の構
成を示す図、第2図は第1図のCTスキャナー回転制御
機構に使用されるインデックス装置及びマイクロスイッ
チを示す図、第3゛図は、本考案の一実施例の構成を示
す図、第4図は、第3図の制御装置あ具体的な構成を示
す図、第5図は、CTスキャナーの一定回転角度を示す
図、第6図は、直流モータの駆動電圧変化を示す図、第
7図は、N(t)と■(θとの対応テーブルを示す図、
第8図は、第7図のテーブルをグラフにした図である。
3・・・・・・第1減速機、4・・・・・・第2減速機
、5・・・・・・CTスキャ、ナー回転体、10・・・
・・・直流モータ、11・・・・・・・・・制御装置二, FIG. 1 is a diagram showing the configuration of a conventional C'F scanner rotation control mechanism, FIG. 2 is a diagram showing an indexing device and microswitch used in the CT scanner rotation control mechanism of FIG. 1, and FIG. 4 is a diagram showing a specific configuration of the control device of FIG. 3, FIG. 5 is a diagram showing a constant rotation angle of the CT scanner, FIG. 6 is a diagram showing changes in the driving voltage of the DC motor, FIG. 7 is a diagram showing a correspondence table between N(t) and ■(θ,
FIG. 8 is a graph of the table of FIG. 7. 3...First reduction gear, 4...Second reduction gear, 5...CT scanner, Ner rotating body, 10...
...DC motor, 11...Control device 2
Claims (1)
タの回転角度を検出する手段と、所定のスキャナー回転
体の回転角4畔する回転角設置゛ 手段と、前記直
流モータの回転角検出手段の出力□が設定回転角に近づ
いたとき、直流モータを除々・に減淳し、前記設定回転
角に達したときそれを停、止させる手段を具備したこと
を特徴とするCTスキャナー回転制御方式。A DC motor for rotating a CT scanner, a means for detecting the rotation angle of the DC motor, a rotation angle setting means for setting a rotation angle of a predetermined rotation angle of the scanner rotating body, and an output of the rotation angle detection means for the DC motor. 1. A CT scanner rotation control system, comprising means for gradually reducing the power of a DC motor when the rotation angle approaches a set rotation angle, and stopping the DC motor when the set rotation angle is reached.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1370082U JPS58117609U (en) | 1982-02-02 | 1982-02-02 | CT scanner - rotation control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1370082U JPS58117609U (en) | 1982-02-02 | 1982-02-02 | CT scanner - rotation control method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58117609U true JPS58117609U (en) | 1983-08-11 |
Family
ID=30026196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1370082U Pending JPS58117609U (en) | 1982-02-02 | 1982-02-02 | CT scanner - rotation control method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58117609U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62258639A (en) * | 1986-04-28 | 1987-11-11 | 横河メディカルシステム株式会社 | X-ray ct apparatus |
-
1982
- 1982-02-02 JP JP1370082U patent/JPS58117609U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62258639A (en) * | 1986-04-28 | 1987-11-11 | 横河メディカルシステム株式会社 | X-ray ct apparatus |
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