JPS61165707U - - Google Patents
Info
- Publication number
- JPS61165707U JPS61165707U JP5078985U JP5078985U JPS61165707U JP S61165707 U JPS61165707 U JP S61165707U JP 5078985 U JP5078985 U JP 5078985U JP 5078985 U JP5078985 U JP 5078985U JP S61165707 U JPS61165707 U JP S61165707U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- solenoid
- drive shaft
- switching device
- controlling
- 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)
- Analysing Materials By The Use Of Radiation (AREA)
Description
第１図イ乃至ハは、本考案の一実施例を示す構
成図、第２図イ及びロは、本考案の動作説明図、
第３図は、本考案の他の実施例を示す構成図、第
４図は、Ｘ線断層撮影装置の概念構成図である。
１１……ケース、１２ａ乃至１２ｄ……軸（案
内手段）、１３及び１９……フイルタ、１４……
駆動軸、１６……ソレノイド、１７及び１８……
フイルタ位置検出部。
FIGS. 1A to 1C are block diagrams showing an embodiment of the present invention; FIGS. 2A and 2B are diagrams illustrating the operation of the present invention;
FIG. 3 is a block diagram showing another embodiment of the present invention, and FIG. 4 is a conceptual block diagram of an X-ray tomography apparatus. 11...Case, 12a to 12d...Shaft (guiding means), 13 and 19...Filter, 14...
Drive shaft, 16... Solenoid, 17 and 18...
Filter position detection section.
Claims (1)
の投影データを収集して断層画像を求めるＸ線断
層撮影装置のフイルタ切替え装置において、 案内手段によつて前記Ｘ線のフアンビーム面に
略垂直方向で移動し得るように支持されたフイル
タと、該フイルタの移動し得る方向に軸方向を一
致させて駆動軸を配置すると共に、該駆動軸を前
記フイルタに結合するソレノイドと、該ソレノイ
ドをオン・オフ制御し前記フイルタの保持位置を
決定するソレノイド操作部とを備えることを特徴
とするＸ線断層撮影装置のフイルタ切替え装置。[Scope of Claim for Utility Model Registration] In a filter switching device for an X-ray tomography apparatus that obtains a tomographic image by collecting projection data when a subject is irradiated with Fan-beam X-rays, A filter supported so as to be movable in a direction substantially perpendicular to a fan beam plane of a line, a drive shaft arranged with an axial direction aligned with the direction in which the filter can move, and the drive shaft coupled to the filter. 1. A filter switching device for an X-ray tomography apparatus, comprising: a solenoid for controlling the solenoid; and a solenoid operating section for controlling the solenoid on and off to determine a holding position of the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5078985U JPS61165707U (en) | 1985-04-05 | 1985-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5078985U JPS61165707U (en) | 1985-04-05 | 1985-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61165707U true JPS61165707U (en) | 1986-10-14 |
Family
ID=30569249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5078985U Pending JPS61165707U (en) | 1985-04-05 | 1985-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61165707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04221531A (en) * | 1990-03-26 | 1992-08-12 | General Electric Co <Ge> | Bow tie type x-ray filter assembly for double energy tomography |
| JP2011507652A (en) * | 2007-12-28 | 2011-03-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Filter assembly for a computed tomography system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4710542U (en) * | 1971-03-01 | 1972-10-07 | ||
| JPS5425689A (en) * | 1977-07-29 | 1979-02-26 | Toshiba Corp | Wedge filter unit |
-
1985
- 1985-04-05 JP JP5078985U patent/JPS61165707U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4710542U (en) * | 1971-03-01 | 1972-10-07 | ||
| JPS5425689A (en) * | 1977-07-29 | 1979-02-26 | Toshiba Corp | Wedge filter unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04221531A (en) * | 1990-03-26 | 1992-08-12 | General Electric Co <Ge> | Bow tie type x-ray filter assembly for double energy tomography |
| JP2011507652A (en) * | 2007-12-28 | 2011-03-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Filter assembly for a computed tomography system |
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