JPS58117609U - CT scanner - rotation control method - Google Patents

CT scanner - rotation control method

Info

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
Application number
JP1370082U
Other languages
Japanese (ja)
Inventor
彰 佐藤
Original Assignee
株式会社日立メデイコ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立メデイコ filed Critical 株式会社日立メデイコ
Priority to JP1370082U priority Critical patent/JPS58117609U/en
Publication of JPS58117609U publication Critical patent/JPS58117609U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of the drawing]

、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)

【実用新案登録請求の範囲】[Scope of utility model registration request] CTスキャナーを回転させる直流モータと、該直流モー
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.
JP1370082U 1982-02-02 1982-02-02 CT scanner - rotation control method Pending JPS58117609U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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