JPS60112846U - Signal receiving device for computer tomography equipment - Google Patents
Signal receiving device for computer tomography equipmentInfo
- Publication number
- JPS60112846U JPS60112846U JP1983203485U JP20348583U JPS60112846U JP S60112846 U JPS60112846 U JP S60112846U JP 1983203485 U JP1983203485 U JP 1983203485U JP 20348583 U JP20348583 U JP 20348583U JP S60112846 U JPS60112846 U JP S60112846U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- signal
- receiving device
- amplifier circuit
- 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.)
- Granted
Links
Landscapes
- Image Processing (AREA)
- Analogue/Digital Conversion (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図は従来例装置の構成を示す要部ブロック
、構成図。第２図は本考案実施例装置の構成を示す要部
ブロック構成図。第３図はＡ−Ｄコンバータの入出力特
性を示す図。第４図はテスト・ピースの使用時のデータ
出力と基準出力との対比を示す図。Figure 1 is a main block diagram showing the configuration of a conventional device.
,Diagram. FIG. 2 is a block diagram of main parts showing the configuration of the apparatus according to the embodiment of the present invention. FIG. 3 is a diagram showing the input/output characteristics of the AD converter. FIG. 4 is a diagram showing a comparison between the data output and the reference output when using the test piece.
Claims (4)
手段と、 この電圧信号を増幅する増幅回路と、 上記電圧信号のレベルを検出しそのレベルに応じて上記
増幅回路の増幅利得を自動的に設定−するための制御電
圧を発生する自動レンジ設定回路と、 上記増幅回路の出力電圧をディジタル信号に変換するア
ナログ・ディジタル変換回路とを備えた計算機トモグラ
フィ装置の信号受信装置において、 上記増幅回路の入力に操作により上記電圧信号に代えて
所定の基準電圧を与える手段と、外部から制御電圧を与
えるための制御電圧入力端子と、 上記自動レンジ設定回路から上記増幅回路に供給される
制御電圧の通路に設けられ、この自動レンジ設定回路が
発生する制御電圧と上記側−両軍圧入力端子に与えられ
る制御電圧とを切換えてその増幅回路に与える第一の切
換回路と、上記増幅回路の出力通路に設けられ、その増
、幅回路の出力電圧と接地電位とを切換えて上記アナロ
グ・ディジタル変換回路のアナログ入力に与える第二の
切換回路と を備えたことを特徴とする計算機トモグラフィ装置の信
号受信装置。(1) A circuit means for converting the signal transmitted through the object into a voltage signal, an amplifier circuit for amplifying the voltage signal, and detecting the level of the voltage signal and automatically adjusting the amplification gain of the amplifier circuit according to the level. In the signal receiving device for a computer tomography apparatus, the signal receiving device for a computer tomography apparatus is equipped with an automatic range setting circuit that generates a control voltage for automatically setting the range, and an analog-to-digital conversion circuit that converts the output voltage of the amplifier circuit into a digital signal. means for applying a predetermined reference voltage in place of the voltage signal to the input of the amplifier circuit; a control voltage input terminal for applying a control voltage from the outside; and a control voltage that is supplied from the automatic range setting circuit to the amplifier circuit. a first switching circuit that is provided in a voltage path and switches between the control voltage generated by the automatic range setting circuit and the control voltage applied to the side pressure input terminals and applies the switching circuit to the amplifier circuit; and the amplifier circuit. and a second switching circuit provided in the output path of the converter circuit to switch between the output voltage of the increase circuit and the ground potential and apply the same to the analog input of the analog-to-digital conversion circuit. Equipment signal receiving device.
生電圧を制御する−ことができる基準電圧発生回路と１ 、 増幅回路の入力に設けられ、電圧信号とこの基準
電圧発生回路の出力電圧をその増幅回路の −人力に
切換えて与える第三の切換回路とを含む実用新案登録請
求の範囲第（１）項に記載の計算機トモグラフィ装置の
信号受信装置。(2) The means for providing a predetermined reference voltage is provided at the input of the reference voltage generation circuit and the amplifier circuit, which can control the generated voltage from the outside, and the voltage signal and the output voltage of this reference voltage generation circuit. A signal receiving device for a computer tomography apparatus according to claim (1) of the utility model registration claim, comprising: - a third switching circuit for switching and supplying the signal to the human power of the amplifier circuit.
基準のテストピースに信号を透過させるように構成され
た実用新案登録請求の範囲第（１）項に記載の計算機ト
モグラフィ装置の信号受信装置。(3) The computer tomography apparatus according to claim (1) of the utility model registration, wherein the means for applying a predetermined reference voltage is configured to transmit a signal through a reference test piece instead of the subject. Signal receiving device.
ら監視するための制御電圧出力端子を備えた実用新案登
録請求の範囲第（１）項に記載の計算機トモグラフィ装
−の信号受信装置。 ゛(4) A signal receiving device for a computer tomography system according to claim (1), which is provided with a control voltage output terminal for externally monitoring the control voltage generated by the automatic range setting circuit.゛
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983203485U JPS60112846U (en) | 1983-12-29 | 1983-12-29 | Signal receiving device for computer tomography equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983203485U JPS60112846U (en) | 1983-12-29 | 1983-12-29 | Signal receiving device for computer tomography equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60112846U true JPS60112846U (en) | 1985-07-31 |
| JPS635077Y2 JPS635077Y2 (en) | 1988-02-10 |
Family
ID=30765892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983203485U Granted JPS60112846U (en) | 1983-12-29 | 1983-12-29 | Signal receiving device for computer tomography equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0283612A (en) * | 1988-09-20 | 1990-03-23 | Rohm Co Ltd | Input circuit for microcontroller |
-
1983
- 1983-12-29 JP JP1983203485U patent/JPS60112846U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0283612A (en) * | 1988-09-20 | 1990-03-23 | Rohm Co Ltd | Input circuit for microcontroller |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS635077Y2 (en) | 1988-02-10 |
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