JPS5990874U - detection circuit - Google Patents

detection circuit

Info

Publication number
JPS5990874U
JPS5990874U JP18679382U JP18679382U JPS5990874U JP S5990874 U JPS5990874 U JP S5990874U JP 18679382 U JP18679382 U JP 18679382U JP 18679382 U JP18679382 U JP 18679382U JP S5990874 U JPS5990874 U JP S5990874U
Authority
JP
Japan
Prior art keywords
input terminal
resistor
detection circuit
connection point
change
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
Application number
JP18679382U
Other languages
Japanese (ja)
Inventor
順一 後藤
伏見 重雄
Original Assignee
日本電気株式会社
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 by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP18679382U priority Critical patent/JPS5990874U/en
Publication of JPS5990874U publication Critical patent/JPS5990874U/en
Pending legal-status Critical Current

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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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第1図は従来の検出回路を示す回路図、第2図は従来回
路の欠点を説明するための回路図、第3図は本考案の一
実施例を示す回路図、第4図は実施例の等価回路を示す
回路図および第5図は周波数特性を示す図である。 図において、1,2・・・・・・センサ、3. 4. 
5゜13・・・・・・抵抗、6・・・・・・演算増幅器
、7,14・・・・・・コンデンサ、8・・・・・・検
出回路、9・・・・・・親器、10・・・・・・ケーブ
ル、11・・・・・・雑音電波、12・・・・・・電流
ループ、15,16,17.18・・・・・・コンダク
タンス。
Fig. 1 is a circuit diagram showing a conventional detection circuit, Fig. 2 is a circuit diagram for explaining the drawbacks of the conventional circuit, Fig. 3 is a circuit diagram showing an embodiment of the present invention, and Fig. 4 is an embodiment. A circuit diagram showing an equivalent circuit of and FIG. 5 are diagrams showing frequency characteristics. In the figure, 1, 2... sensors, 3. 4.
5゜13...Resistor, 6...Operation amplifier, 7,14...Capacitor, 8...Detection circuit, 9...Parent device, 10... cable, 11... noise radio wave, 12... current loop, 15, 16, 17.18... conductance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 物理量の変化をインピーダンスの変化として検出する第
1および第2の検出手段がそれぞれ挿入された第1の辺
および第2の辺と第1の抵抗が挿入された第3の辺と第
2の抵抗が挿入された第4の辺とを有するブリッジ回路
と、第1の入力端子が前記第1の辺と第2の辺との接続
点に接続され第2の入力端子が前記第3の辺と第4の辺
との接続点に接続された増幅手段と、前記第1の入力端
子と第2の入力端子との間に接続、され第3の抵抗とコ
ンデンサとの並列接続からなる特性補正手段とから構成
されたことを特徴とする検出回路。
A first side and a second side in which first and second detection means for detecting a change in a physical quantity as a change in impedance are respectively inserted, and a third side in which a first resistor is inserted and a second resistor. a fourth side into which a bridge circuit is inserted, a first input terminal connected to a connection point between the first side and the second side, and a second input terminal connected to the third side; Amplifying means connected to the connection point with the fourth side, and characteristic correction means connected between the first input terminal and the second input terminal, and comprising a third resistor and a capacitor connected in parallel. A detection circuit comprising:
JP18679382U 1982-12-09 1982-12-09 detection circuit Pending JPS5990874U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18679382U JPS5990874U (en) 1982-12-09 1982-12-09 detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18679382U JPS5990874U (en) 1982-12-09 1982-12-09 detection circuit

Publications (1)

Publication Number Publication Date
JPS5990874U true JPS5990874U (en) 1984-06-20

Family

ID=30403378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18679382U Pending JPS5990874U (en) 1982-12-09 1982-12-09 detection circuit

Country Status (1)

Country Link
JP (1) JPS5990874U (en)

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