JPS58108808U - electronic blood pressure monitor - Google Patents
electronic blood pressure monitorInfo
- Publication number
- JPS58108808U JPS58108808U JP479482U JP479482U JPS58108808U JP S58108808 U JPS58108808 U JP S58108808U JP 479482 U JP479482 U JP 479482U JP 479482 U JP479482 U JP 479482U JP S58108808 U JPS58108808 U JP S58108808U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- signal
- blood pressure
- pressure monitor
- electronic blood
- 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
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図は従来の電子血圧計のコロトコフ信号検出回路図
、第２図はこの考案の一実施例の電子血圧計の□コロト
コフ信号検出回路図、第３図は第１ 図、第２図の
それぞれＡ、 Ｂ点における信号波形の一部をモデル化
して示す図である。
図において、１は圧電マイク等の変換手段、２は帯域増
幅器、３は比較器等の検出手段、８は定電圧ダイオード
、１２は積分回路、１３は定バイアス電圧発生回路であ
る。Fig. 1 is a Korotkoff signal detection circuit diagram of a conventional electronic blood pressure monitor, Fig. 2 is a Korotkoff signal detection circuit diagram of an electronic blood pressure monitor according to an embodiment of this invention, and Fig. 3 is a circuit diagram of the Korotkoff signal detection circuit of an electronic blood pressure monitor according to an embodiment of this invention. FIG. 3 is a diagram illustrating a model of a part of the signal waveform at points A and B, respectively. In the figure, 1 is a conversion means such as a piezoelectric microphone, 2 is a band amplifier, 3 is a detection means such as a comparator, 8 is a constant voltage diode, 12 is an integrating circuit, and 13 is a constant bias voltage generation circuit.
Claims (2)
に変換して変換信号とする変換手段と、上記変換信号を
増幅してｉ幅信号とする帯域増幅回路と、上記増幅信号
を直流の基準電圧と比較してコロトコフ信号を検出する
検出手段とを具備するものにおいて、上記増幅信号の直
流成分の電圧と、上記基準電圧との電圧差を所定のバイ
アス電圧に保持する定バイアス電圧発生回路を備えたこ
とを特徴とする電子血圧計。(1) A conversion means that converts the Korotkoff sound emitted from the compressed artery into an electrical signal and uses it as a converted signal, a band amplification circuit that amplifies the converted signal and makes it an i-width signal, and converts the amplified signal into a DC reference voltage. and a detection means for detecting the Korotkoff signal by comparing the voltage with the reference voltage, the apparatus comprising: a constant bias voltage generating circuit that maintains a voltage difference between the voltage of the DC component of the amplified signal and the reference voltage at a predetermined bias voltage; An electronic blood pressure monitor characterized by:
の増幅信号を入力電圧とする定電圧ダイオードと、この
既定電圧ダイオードの出力側のカソードと検出手段との
間に直列に挿入される積分回路とからなることを特徴と
する実用新案登録請求の範囲第１項記載の電子血圧計。(2) The constant bias voltage generation circuit includes a constant voltage diode whose input voltage is the amplified signal from the band amplifier circuit, and an integrating circuit inserted in series between the cathode on the output side of this predetermined voltage diode and the detection means. An electronic blood pressure monitor according to claim 1 of the utility model registration claim, characterized in that the electronic blood pressure monitor comprises:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP479482U JPS58108808U (en) | 1982-01-18 | 1982-01-18 | electronic blood pressure monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP479482U JPS58108808U (en) | 1982-01-18 | 1982-01-18 | electronic blood pressure monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58108808U true JPS58108808U (en) | 1983-07-25 |
Family
ID=30017624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP479482U Pending JPS58108808U (en) | 1982-01-18 | 1982-01-18 | electronic blood pressure monitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58108808U (en) |
-
1982
- 1982-01-18 JP JP479482U patent/JPS58108808U/en active Pending
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