JPH02131407U - - Google Patents
Info
- Publication number
- JPH02131407U JPH02131407U JP1989040694U JP4069489U JPH02131407U JP H02131407 U JPH02131407 U JP H02131407U JP 1989040694 U JP1989040694 U JP 1989040694U JP 4069489 U JP4069489 U JP 4069489U JP H02131407 U JPH02131407 U JP H02131407U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- potential
- source
- zener
- section
- 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 4
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の第１実施例の構成図、第２図
Ａ、第２図Ｂ、第２図Ｃは第１図及び第３図にお
ける要部の波形の異なる観測結果説明図、第３図
は本考案の第２実施例の構成図、第４図は従来の
心電信号増幅装置の構成図である。
１……絶縁増幅器、１ａ……入力部、１ｂ……
出力部、１ｃ……出力信号、２……絶縁ＤＣ−Ｄ
Ｃコンバータ、３……二次電源、４……生体、５
……心電信号、７……基準電位部、８，２０，２
２……直流一次電源、１７，２１……心電信号増
幅装置、１８，１９，２４……ツエナダイオード
、２３，６１……正極電位源、３０，４０……電
源部、６２……負極電位源。
FIG. 1 is a block diagram of the first embodiment of the present invention, FIGS. 2A, 2B, and 2C are diagrams illustrating the observation results of different waveforms of the main parts in FIGS. 1 and 3. FIG. 3 is a block diagram of a second embodiment of the present invention, and FIG. 4 is a block diagram of a conventional electrocardiographic signal amplification device. 1...Isolation amplifier, 1a...Input section, 1b...
Output section, 1c... Output signal, 2... Insulated DC-D
C converter, 3... Secondary power supply, 4... Living body, 5
...Electrocardiographic signal, 7...Reference potential section, 8, 20, 2
2... DC primary power supply, 17, 21... Electrocardiographic signal amplification device, 18, 19, 24... Zener diode, 23, 61... Positive electrode potential source, 30, 40... Power supply section, 62... Negative electrode potential source.
Claims (1)
エナダイオードとが設けられかつ前記両電位源間
の電位差と前記ツエナダイオードの合計ツエナ電
圧との差の電圧を有する直流一次電源を出力する
電源部と、前記直流一次電源が入力されかつ該直
流一次電源の電圧をくり返して開閉するスイツチ
ング動作を行つて前記直流一次電源とは直流的に
絶縁された二次電源を出力する絶縁電源装置と、
前記二次電源によつて駆動されかつ生体に発生す
る心電信号が入力される入力部と前記入力部に対
して直流的に絶縁されておりかつ前記入力部に入
力された前記心電信号に応じた出力信号を出力す
る出力部とからなる絶縁増幅器と、を備えた心電
信号増幅装置であつて、前記合計ツエナ電圧は前
記電源部におけるすべての前記ツエナダイオード
の各ツエナ電圧の合計値であり、かつ前両電位源
は前記心電信号増幅装置における基準電位部に接
続されていない電位源であることを特徴とする心
電信号増幅装置。 a power supply section that is provided with a positive potential source, a negative potential source, and at least one Zener diode, and outputs a DC primary power source having a voltage equal to the difference between the potential difference between the two potential sources and the total Zener voltage of the Zener diodes; an insulated power supply device to which the DC primary power source is input and which performs a switching operation to repeatedly open and close the voltage of the DC primary power source to output a secondary power source that is DC-insulated from the DC primary power source;
an input section that is driven by the secondary power source and into which an electrocardiographic signal generated in a living body is input; an insulated amplifier comprising an output section that outputs a corresponding output signal, wherein the total Zener voltage is the sum of the Zener voltages of all the Zener diodes in the power supply section. An electrocardiographic signal amplifying device characterized in that the first potential source is a potential source that is not connected to a reference potential section in the electrocardiographic signal amplifying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989040694U JPH02131407U (en) | 1989-04-06 | 1989-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989040694U JPH02131407U (en) | 1989-04-06 | 1989-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02131407U true JPH02131407U (en) | 1990-11-01 |
Family
ID=31550704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989040694U Pending JPH02131407U (en) | 1989-04-06 | 1989-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02131407U (en) |
-
1989
- 1989-04-06 JP JP1989040694U patent/JPH02131407U/ja active Pending