JPH01107309U - - Google Patents
Info
- Publication number
- JPH01107309U JPH01107309U JP272788U JP272788U JPH01107309U JP H01107309 U JPH01107309 U JP H01107309U JP 272788 U JP272788 U JP 272788U JP 272788 U JP272788 U JP 272788U JP H01107309 U JPH01107309 U JP H01107309U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- reference electrode
- biological
- circuit
- electrode
- 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
- 238000009795 derivation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の生体増幅器用基準電極導出回
路の１実施例を示す回路図、第２図は本考案の他
の実施例を示す回路図、第３図は従来の基準電極
導出回路を示す回路図である。
１は被検者、２は電極接続箱、３は電極選択器
、４は弁別回路、５は基準電極導出回路、１０は
生体増幅器用基準電極導出回路である。
Fig. 1 is a circuit diagram showing one embodiment of the reference electrode deriving circuit for a biological amplifier of the present invention, Fig. 2 is a circuit diagram showing another embodiment of the present invention, and Fig. 3 is a circuit diagram showing a conventional reference electrode deriving circuit. FIG. 1 is a subject, 2 is an electrode connection box, 3 is an electrode selector, 4 is a discrimination circuit, 5 is a reference electrode derivation circuit, and 10 is a reference electrode derivation circuit for a biological amplifier.
Claims (1)
により生体電位を検出する基準電極導出回路を有
する生体増幅器用基準電極導出回路に於いて、 上記基準電極導出回路は少くとも第１及び第２
の増幅器と、該増幅器出力に接続した抵抗を介し
て上記不関電極よりの生体電位に基づく波形を零
の点で固定して出力し、上記生体に誘起するハム
成分を該増幅器では利得を１で出力するようにし
て成ることを特徴とする生体増幅器用基準電極導
出回路。[Scope of Claim for Utility Model Registration] In a reference electrode deriving circuit for a biological amplifier having a reference electrode deriving circuit for detecting a biopotential using a related electrode and an indifferent electrode attached to a predetermined part of a living body, the reference electrode deriving circuit described above is At least the first and second
A waveform based on the biological potential from the indifferent electrode is fixed at a zero point and output through an amplifier and a resistor connected to the output of the amplifier, and the hum component induced in the biological body is output by the amplifier with a gain of 1. 1. A reference electrode derivation circuit for a biological amplifier, characterized in that the circuit outputs a reference electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP272788U JPH01107309U (en) | 1988-01-13 | 1988-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP272788U JPH01107309U (en) | 1988-01-13 | 1988-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01107309U true JPH01107309U (en) | 1989-07-19 |
Family
ID=31203750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP272788U Pending JPH01107309U (en) | 1988-01-13 | 1988-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01107309U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5176880A (en) * | 1974-06-21 | 1976-07-03 | Siemens Ag | |
| JPS58203744A (en) * | 1982-05-24 | 1983-11-28 | 日本電気三栄株式会社 | Apparatus for automatically removing electrocardiographic signal in electrocephalograph |
-
1988
- 1988-01-13 JP JP272788U patent/JPH01107309U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5176880A (en) * | 1974-06-21 | 1976-07-03 | Siemens Ag | |
| JPS58203744A (en) * | 1982-05-24 | 1983-11-28 | 日本電気三栄株式会社 | Apparatus for automatically removing electrocardiographic signal in electrocephalograph |