JPS61143332U - - Google Patents

Info

Publication number
JPS61143332U
JPS61143332U JP2533885U JP2533885U JPS61143332U JP S61143332 U JPS61143332 U JP S61143332U JP 2533885 U JP2533885 U JP 2533885U JP 2533885 U JP2533885 U JP 2533885U JP S61143332 U JPS61143332 U JP S61143332U
Authority
JP
Japan
Prior art keywords
pass filter
capacitor
line
signal
switch
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
Application number
JP2533885U
Other languages
Japanese (ja)
Other versions
JPH0327606Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985025338U priority Critical patent/JPH0327606Y2/ja
Publication of JPS61143332U publication Critical patent/JPS61143332U/ja
Application granted granted Critical
Publication of JPH0327606Y2 publication Critical patent/JPH0327606Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Manipulation Of Pulses (AREA)
  • Networks Using Active Elements (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は第３図のハイパスフイルタの構成を示
す回路図である。第２図は本考案の一実施例が適
用された血圧測定装置の構成を示すブロツク線図
である。第３図は第２図の脈波検出回路を示すブ
ロツク線図である。第４図は第２図の実施例にお
けるハイパスフイルタの作動を説明するタイムチ
ヤートである。第５図は従来のハイパスフイルタ
の作動を説明するタイムチヤートである。 ３４：ハイパスフイルタ、４０：出力側ライン
、４２：接地ライン、４４：アナログスイツチ（
開閉器）、Ｃ１：コンデンサ。 FIG. 1 is a circuit diagram showing the configuration of the high-pass filter shown in FIG. 3. FIG. 2 is a block diagram showing the configuration of a blood pressure measuring device to which an embodiment of the present invention is applied. FIG. 3 is a block diagram showing the pulse wave detection circuit of FIG. 2. FIG. 4 is a time chart illustrating the operation of the high-pass filter in the embodiment shown in FIG. FIG. 5 is a time chart explaining the operation of a conventional high-pass filter. 34: High pass filter, 40: Output side line, 42: Ground line, 44: Analog switch (
Switch), C 1 : Capacitor.

Claims (1)

【実用新案登録請求の範囲】 直列素子としてのコンデンサを信号伝達ライン
に少なくとも１つ含むハイパスフイルタにおいて
、 前記コンデンサの出力側ラインと接地ラインと
の間に信号の採取に先立つて閉じられる開閉器を
設け、信号波形の基線を速やかに復帰させるよう
にしたことを特徴とするハイパスフイルタ。[Claims for Utility Model Registration] In a high-pass filter including at least one capacitor as a series element in a signal transmission line, there is provided a switch that is closed between the output line of the capacitor and a ground line prior to signal collection. 1. A high-pass filter, characterized in that the base line of a signal waveform is quickly restored.
JP1985025338U 1985-02-23 1985-02-23 Expired JPH0327606Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985025338U JPH0327606Y2 (en) 1985-02-23 1985-02-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985025338U JPH0327606Y2 (en) 1985-02-23 1985-02-23

Publications (2)

Publication Number Publication Date
JPS61143332U true JPS61143332U (en) 1986-09-04
JPH0327606Y2 JPH0327606Y2 (en) 1991-06-14

Family

ID=30520321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985025338U Expired JPH0327606Y2 (en) 1985-02-23 1985-02-23

Country Status (1)

Country Link
JP (1) JPH0327606Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169807A (en) * 1987-01-08 1988-07-13 Sony Corp Filter circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5041465A (en) * 1973-08-08 1975-04-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5041465A (en) * 1973-08-08 1975-04-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169807A (en) * 1987-01-08 1988-07-13 Sony Corp Filter circuit

Also Published As

Publication number Publication date
JPH0327606Y2 (en) 1991-06-14

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