JPH0263812U - - Google Patents
Info
- Publication number
- JPH0263812U JPH0263812U JP1988142241U JP14224188U JPH0263812U JP H0263812 U JPH0263812 U JP H0263812U JP 1988142241 U JP1988142241 U JP 1988142241U JP 14224188 U JP14224188 U JP 14224188U JP H0263812 U JPH0263812 U JP H0263812U
- Authority
- JP
- Japan
- Prior art keywords
- wave
- signal
- output
- generating means
- signal generating
- 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
Description
第1図は第1考案の第1実施例によるR波検出
回路の回路構成図、第2図はその動作を説明する
ための信号波形図、第3図は第1考案の第2実施
例を示す図、第4図はその動作を説明するための
信号波形図、第5図は第2考案の実施例によるR
波検出回路の回路構成図である。
1…バンドパスフイルタ、2…検波器、3,4
…ピークホールド回路、M5…コンパレータ。
Fig. 1 is a circuit configuration diagram of an R-wave detection circuit according to the first embodiment of the first invention, Fig. 2 is a signal waveform diagram for explaining its operation, and Fig. 3 is a circuit diagram of the R-wave detection circuit according to the first embodiment of the first invention. FIG. 4 is a signal waveform diagram for explaining the operation, and FIG. 5 is a diagram showing R according to the embodiment of the second invention.
FIG. 3 is a circuit configuration diagram of a wave detection circuit. 1... Bandpass filter, 2... Detector, 3, 4
...Peak hold circuit, M5...Comparator.
Claims (1)
して選択抽出するR波抽出手段と、 このR波抽出手段の出力を信号処理し、各周期
毎に、R波のピーク値に応じたピーク電圧を有す
る信号を作成する信号作成手段と、 この信号作成手段で得られる信号を基準にして
、そのピーク値が前記信号作成手段で得られる信
号のピーク値より低い比較基準信号を作成する比
較基準信号作成手段と、 前記信号作成手段の出力と比較基準信号作成手
段の出力とを比較してR波を検出する比較手段と
、を備えた心電図のR波検出回路。 (2) 心電図波形からR波部分を周波数的に区別
して選択抽出するR波抽出手段と、 このR波抽出手段で得られた信号の極性を単一
の極性とする極性変更手段と、 この極性変更手段の出力に基づいて、各周期毎
に、R波のピーク値に応じたピーク電圧を有する
信号を作成する信号作成手段と、 この信号作成手段の出力を予め設定された一定
電圧と比較してR波を検出する比較手段と、 を備えた心電図のR波検出回路。[Claims for Utility Model Registration] (1) R-wave extracting means for selectively extracting the R-wave part from the electrocardiogram waveform by distinguishing it frequency-wise; and signal processing of the output of this R-wave extracting means, a signal generating means for generating a signal having a peak voltage corresponding to a peak value of a wave; and a signal generating means having a peak value lower than the peak value of the signal obtained by the signal generating means, based on the signal obtained by the signal generating means. An electrocardiogram R wave detection circuit comprising: a comparison reference signal generation means for generating a comparison reference signal; and a comparison means for detecting an R wave by comparing the output of the signal generation means and the output of the comparison reference signal generation means. . (2) R-wave extraction means for selectively extracting the R-wave portion from an electrocardiogram waveform by distinguishing it in terms of frequency; a polarity changing means for making the polarity of the signal obtained by the R-wave extraction means a single polarity; a signal generating means that generates a signal having a peak voltage corresponding to the peak value of the R wave for each cycle based on the output of the changing means; and a signal generating means that compares the output of the signal generating means with a preset constant voltage. An electrocardiogram R-wave detection circuit, comprising: a comparison means for detecting R-waves using an electrocardiogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988142241U JPH0627125Y2 (en) | 1988-10-31 | 1988-10-31 | R wave detection circuit for electrocardiogram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988142241U JPH0627125Y2 (en) | 1988-10-31 | 1988-10-31 | R wave detection circuit for electrocardiogram |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0263812U true JPH0263812U (en) | 1990-05-14 |
| JPH0627125Y2 JPH0627125Y2 (en) | 1994-07-27 |
Family
ID=31408024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988142241U Expired - Lifetime JPH0627125Y2 (en) | 1988-10-31 | 1988-10-31 | R wave detection circuit for electrocardiogram |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627125Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192589A (en) * | 1975-02-10 | 1976-08-13 | Shindenzu r hakenshutsuho | |
| JPS5621364U (en) * | 1979-07-27 | 1981-02-25 | ||
| JPS5819230A (en) * | 1981-07-24 | 1983-02-04 | フクダ電子株式会社 | Apparatus for detecting r wave of cardiograph |
| JPS6145734A (en) * | 1984-08-11 | 1986-03-05 | 株式会社アドバンス | R-wave detector of electrocardiograph |
| JPS6168027A (en) * | 1984-09-10 | 1986-04-08 | パルス タイム プロダクツ リミテツド | Method and apparatus for displaying blood pressure value or index |
-
1988
- 1988-10-31 JP JP1988142241U patent/JPH0627125Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192589A (en) * | 1975-02-10 | 1976-08-13 | Shindenzu r hakenshutsuho | |
| JPS5621364U (en) * | 1979-07-27 | 1981-02-25 | ||
| JPS5819230A (en) * | 1981-07-24 | 1983-02-04 | フクダ電子株式会社 | Apparatus for detecting r wave of cardiograph |
| JPS6145734A (en) * | 1984-08-11 | 1986-03-05 | 株式会社アドバンス | R-wave detector of electrocardiograph |
| JPS6168027A (en) * | 1984-09-10 | 1986-04-08 | パルス タイム プロダクツ リミテツド | Method and apparatus for displaying blood pressure value or index |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627125Y2 (en) | 1994-07-27 |
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