JPS62107806U - - Google Patents
Info
- Publication number
- JPS62107806U JPS62107806U JP1985202123U JP20212385U JPS62107806U JP S62107806 U JPS62107806 U JP S62107806U JP 1985202123 U JP1985202123 U JP 1985202123U JP 20212385 U JP20212385 U JP 20212385U JP S62107806 U JPS62107806 U JP S62107806U
- Authority
- JP
- Japan
- Prior art keywords
- limiter circuit
- level
- utility
- component
- control means
- 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
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の実施例の回路図、第２図及び
第３図は従来の生体信号用増幅器の回路図、第４
図Ａはペースメーカスパイクが重畳された心電図
信号入力波形、Ｂ及びＣはＡの入力波形に対する
従来の増幅器による出力波形、ＤはＡの入力波形
に対する本考案の実施例による出力波形を示す図
である。
主要部分の符号の説明、１……差動アンプ、６
……時定数回路、１２，１５……リミツタ回路、
１８，２０……ローパスフイルタ。
Figure 1 is a circuit diagram of an embodiment of the present invention, Figures 2 and 3 are circuit diagrams of a conventional biological signal amplifier, and Figure 4 is a circuit diagram of an embodiment of the present invention.
Figure A is an electrocardiogram signal input waveform on which a pacemaker spike is superimposed, B and C are output waveforms of a conventional amplifier for the input waveform of A, and D is a diagram showing the output waveform of an embodiment of the present invention for the input waveform of A. . Explanation of symbols of main parts, 1...Differential amplifier, 6
...Time constant circuit, 12,15...Limiter circuit,
18, 20...Low pass filter.
Claims (1)
れた生体信号用の増幅器であつて、入力端及び出
力端のいずれか一方に設けられたリミツタ回路と
、入力信号の直流成分に応じて前記リミツタ回路
の動作レベルを制御する制御手段とを含むことを
特徴とする生体信号用増幅器。 (2) 前記制御手段は入力信号の直流成分を抽出
する低域通過型フイルタからなり、このフイルタ
の出力レベルに応じて前記リミツタ回路の動作レ
ベルを制御するよう構成したことを特徴とする実
用新案登録請求の範囲第１項の生体信号用増幅器
。[Claims for Utility Model Registration] (1) A biological signal amplifier having a low-frequency blocking time constant circuit connected to the output end, and a limiter circuit provided at either the input end or the output end. and a control means for controlling the operation level of the limiter circuit according to the DC component of the input signal. (2) The utility model is characterized in that the control means comprises a low-pass filter that extracts the DC component of the input signal, and is configured to control the operating level of the limiter circuit according to the output level of the filter. A biosignal amplifier according to registered claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985202123U JPS62107806U (en) | 1985-12-25 | 1985-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985202123U JPS62107806U (en) | 1985-12-25 | 1985-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62107806U true JPS62107806U (en) | 1987-07-09 |
Family
ID=31166213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985202123U Pending JPS62107806U (en) | 1985-12-25 | 1985-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107806U (en) |
-
1985
- 1985-12-25 JP JP1985202123U patent/JPS62107806U/ja active Pending