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JPS58178650U - pressure detection circuit - Google Patents

pressure detection circuit

Info

Publication number
JPS58178650U
JPS58178650U JP7627282U JP7627282U JPS58178650U JP S58178650 U JPS58178650 U JP S58178650U JP 7627282 U JP7627282 U JP 7627282U JP 7627282 U JP7627282 U JP 7627282U JP S58178650 U JPS58178650 U JP S58178650U
Authority
JP
Japan
Prior art keywords
detection circuit
pressure detection
circuit according
sensing element
pressure
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
JP7627282U
Other languages
Japanese (ja)
Inventor
薫 内田
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP7627282U priority Critical patent/JPS58178650U/en
Publication of JPS58178650U publication Critical patent/JPS58178650U/en
Pending legal-status Critical Current

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  • Measurement Of Force In General (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)

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

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

第1図は本考案の圧力検出回路図、第2図は−    
一定圧力点の温度特性図である。 61〜G4・・・拡散抵抗、G・・・歪ゲージブリッジ
、R1,R2・・・抵抗器、Rtv l・・・サーミス
タ、■・・・基準電源、A・・・増巾器。
Figure 1 is a pressure detection circuit diagram of the present invention, Figure 2 is -
FIG. 3 is a temperature characteristic diagram at a constant pressure point. 61 to G4...Diffused resistance, G...Strain gauge bridge, R1, R2...Resistor, Rtvl...Thermistor, ■...Reference power supply, A...Amplifier.

Claims (1)

【実用新案登録請求の範囲】 1 感圧抵抗体によりブリッジを構成し、該ブリッジの
両端子間に駆動電源を印加し、前記ブリッジの一対の中
点電圧を増巾する増巾器から構成される圧力検出回路に
おいて:前記一対の中点電圧端子のいずれかの1端子と
別に設けた基準電源の間に感温素子を含む抵抗回路を接
続したことを特徴とする圧力検出回路。 2 請求範囲第1項において、感圧抵抗体は拡散抵抗体
であることを特徴とする圧力検出回路。 3 請求範囲第2項において、駆動電源は、温度により
変化することを特徴とする圧力検出回路。 4 請求範囲第3項において、感温素子はサーミスタで
あることを特徴とする圧力検出回路。 °5 請求範囲第3項において、感温素子はダイオード
であることを特徴とする圧力検出回路。 、
[Claims for Utility Model Registration] 1. A bridge configured by a pressure-sensitive resistor, and an amplifier that applies a driving power between both terminals of the bridge and amplifies the midpoint voltage of the pair of said bridges. In the pressure detection circuit according to the present invention, a resistance circuit including a temperature sensing element is connected between one terminal of the pair of midpoint voltage terminals and a separately provided reference power source. 2. The pressure detection circuit according to claim 1, wherein the pressure sensitive resistor is a diffused resistor. 3. The pressure detection circuit according to claim 2, wherein the drive power source changes depending on the temperature. 4. The pressure detection circuit according to claim 3, wherein the temperature sensing element is a thermistor. 5. The pressure detection circuit according to claim 3, wherein the temperature sensing element is a diode. ,
JP7627282U 1982-05-26 1982-05-26 pressure detection circuit Pending JPS58178650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7627282U JPS58178650U (en) 1982-05-26 1982-05-26 pressure detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7627282U JPS58178650U (en) 1982-05-26 1982-05-26 pressure detection circuit

Publications (1)

Publication Number Publication Date
JPS58178650U true JPS58178650U (en) 1983-11-29

Family

ID=30085594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7627282U Pending JPS58178650U (en) 1982-05-26 1982-05-26 pressure detection circuit

Country Status (1)

Country Link
JP (1) JPS58178650U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159372A (en) * 1974-06-12 1975-12-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159372A (en) * 1974-06-12 1975-12-23

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