JPH02102699U - - Google Patents
Info
- Publication number
- JPH02102699U JPH02102699U JP1098589U JP1098589U JPH02102699U JP H02102699 U JPH02102699 U JP H02102699U JP 1098589 U JP1098589 U JP 1098589U JP 1098589 U JP1098589 U JP 1098589U JP H02102699 U JPH02102699 U JP H02102699U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- bias voltage
- stereo
- cathode
- voltage
- 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
- 238000010586 diagram Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- X-Ray Techniques (AREA)
Description
第１図ないし第３図は、この考案の一実施例に
係り、第１図はステレオＸ線撮影装置全体の概略
構成を示すブロツク図、第２図はステレオ制御回
路の回路図、第３図は動作波形図である。第４図
および第５図は従来装置に係り、第４図は従来装
置全体の概略構成を示すブロツク図、第５図はス
テレオ制御回路の回路図である。
４……焦点制御回路、５……ステレオ制御回路
、５Ａ，５Ｂ……スイツチング回路、７……ステ
レオＸ線管、１９，２９……補償電源、２０，３
０……テトロード管。
Figures 1 to 3 relate to one embodiment of this invention, with Figure 1 being a block diagram showing the schematic configuration of the entire stereo X-ray imaging device, Figure 2 being a circuit diagram of the stereo control circuit, and Figure 3 being a circuit diagram of the stereo control circuit. is an operating waveform diagram. FIGS. 4 and 5 relate to a conventional device, with FIG. 4 being a block diagram showing a schematic configuration of the entire conventional device, and FIG. 5 being a circuit diagram of a stereo control circuit. 4... Focus control circuit, 5... Stereo control circuit, 5A, 5B... Switching circuit, 7... Stereo X-ray tube, 19, 29... Compensation power supply, 20, 3
0...Tetrode tube.
Claims (1)
焦点に対応する陰極と、グリツド間のバイアス電
圧を制御することにより、陽極−陰極間の導通と
遮断とを切り換える二つのスイツチング回路と、
Ｘ線曝射信号に基づいて前記両スイツチング回路
を交互に動作させる焦点制御回路とを含むステレ
オＸ線管の制御装置において、前記両スイツチン
グ回路は、陰極−グリツド間にバイアス電圧を供
給するバイアス電源と、前記バイアス電圧のＯＮ
−ＯＦＦの切り換えを行う高耐圧のスイツチング
用真空管と、前記スイツチング用真空管のＯＮ電
圧が、バイアス電圧として前記陰極−グリツド間
に作用するのを阻止する補償電源とを備えたこと
を特徴とするステレオＸ線管の制御装置。 cathodes corresponding to two focal points formed on the anode in the stereo X-ray tube, and two switching circuits that switch conduction and interruption between the anode and the cathode by controlling the bias voltage between the grids;
A stereo X-ray tube control device including a focus control circuit that alternately operates both of the switching circuits based on an X-ray exposure signal, wherein both of the switching circuits include a bias power supply that supplies a bias voltage between the cathode and the grid. and the bias voltage is turned on.
- A stereo system characterized by comprising: a high-voltage switching vacuum tube that performs OFF switching; and a compensation power supply that prevents the ON voltage of the switching vacuum tube from acting as a bias voltage between the cathode and the grid. X-ray tube control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1098589U JPH02102699U (en) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1098589U JPH02102699U (en) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02102699U true JPH02102699U (en) | 1990-08-15 |
Family
ID=31219138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1098589U Pending JPH02102699U (en) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02102699U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57101399A (en) * | 1980-12-16 | 1982-06-23 | Toshiba Corp | Stereo x-ray apparatus |
-
1989
- 1989-01-31 JP JP1098589U patent/JPH02102699U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57101399A (en) * | 1980-12-16 | 1982-06-23 | Toshiba Corp | Stereo x-ray apparatus |
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