JPH0257071U - - Google Patents

Info

Publication number
JPH0257071U
JPH0257071U JP1989117378U JP11737889U JPH0257071U JP H0257071 U JPH0257071 U JP H0257071U JP 1989117378 U JP1989117378 U JP 1989117378U JP 11737889 U JP11737889 U JP 11737889U JP H0257071 U JPH0257071 U JP H0257071U
Authority
JP
Japan
Prior art keywords
node
terminal
diagonal
inverting input
pair
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
JP1989117378U
Other languages
English (en)
Other versions
JPH0432617Y2 (ja
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
Publication of JPH0257071U publication Critical patent/JPH0257071U/ja
Application granted granted Critical
Publication of JPH0432617Y2 publication Critical patent/JPH0432617Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • G01R17/105—AC or DC measuring bridges for measuring impedance or resistance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)

Description

【図面の簡単な説明】
図は本考案のブリツジ型インピーダンス検出器
の回路図。 ２１：直流電源、２３，２５，２７：演算増幅
器、Ｒ１１〜Ｒ２０：抵抗器。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 次の(イ)〜(ニ)より成るブリツジ型インピー
    ダンス検出器。 (イ) 少なくとも１つの可変インピーダンスを
    含み、第１、第２の対角結節点対を有するブリツ
    ジ回路。 (ロ) 前記第２の対角結節点対の一方の結節点
    にその反転入力端子を接続し、その非反転入力端
    子を接地した第１の演算増幅器。 (ハ) その反転入力端子が第１の抵抗を介して
    直流電源の一方の端子に接続し、かつ第２の抵抗
    を介してその出力端子と前記第１の対角結節点対
    の一方の結節点とに接続し、その非反転入力端子
    が第３の抵抗を介して前記直流電源の他方の端子
    にされ、かつ第４の抵抗を介して前記第１の対角
    結節点対の他方の結節点と前記第１の演算増幅器
    の出力端子とに接続した第２の演算増幅器。 (ニ) 前記直流電源の前記一方の端子と前記他
    方の端子の一方を接地するための接地手段。 ２ 前記第２の対角結節点対の他方の結節点にそ
    の非反転入力端子を接続した第３の演算増幅器を
    含む実用新案登録請求の範囲第１項記載のブリツ
    ジ型インピーダンス検出器。
JP1989117378U 1981-10-24 1989-10-05 Expired JPH0432617Y2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3142325A DE3142325C2 (de) 1981-10-24 1981-10-24 Brückenschaltung für Messzwecke

Publications (2)

Publication Number Publication Date
JPH0257071U true JPH0257071U (ja) 1990-04-25
JPH0432617Y2 JPH0432617Y2 (ja) 1992-08-05

Family

ID=6144808

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57185344A Pending JPS58108466A (ja) 1981-10-24 1982-10-20 ブリツジ型インピ−ダンス検出器
JP1989117378U Expired JPH0432617Y2 (ja) 1981-10-24 1989-10-05

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP57185344A Pending JPS58108466A (ja) 1981-10-24 1982-10-20 ブリツジ型インピ−ダンス検出器

Country Status (4)

Country Link
US (1) US4528499A (ja)
EP (1) EP0078898B1 (ja)
JP (2) JPS58108466A (ja)
DE (2) DE3142325C2 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3142325C2 (de) * 1981-10-24 1983-08-25 Hewlett-Packard GmbH, 7030 Böblingen Brückenschaltung für Messzwecke
DE3238482C1 (de) * 1982-10-18 1983-10-27 Hottinger Baldwin Messtechnik Gmbh, 6100 Darmstadt Elektrische Vielstellen-Messeinrichtung
DE69409998T2 (de) * 1993-02-24 1998-09-03 Shinko Electric Co Ltd Schwingungskontrollanlage für rotierende Maschinen
DE19509815C1 (de) * 1995-03-22 1996-10-31 Joachim Dr Scheerer Schaltung zur Speisung einer Wheatstoneschen Brücke mit einer Rechteckwechselspannung
AU3162297A (en) 1996-06-26 1998-01-14 Simon Fraser University Accelerometer without proof mass
US6182509B1 (en) 1996-06-26 2001-02-06 Simon Fraser University Accelerometer without proof mass
US6589433B2 (en) 1996-06-26 2003-07-08 Simon Fraser University Accelerometer without proof mass
US6198296B1 (en) 1999-01-14 2001-03-06 Burr-Brown Corporation Bridge sensor linearization circuit and method
US7880339B2 (en) * 2009-02-03 2011-02-01 The Regents Of The University Of Michigan Isolation circuitry and method for hiding a power consumption characteristic of an associated processing circuit
DE102016206958A1 (de) * 2016-04-25 2017-10-26 Continental Automotive Gmbh Verfahren zum Bestimmen eines Laststroms und Batteriesensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263772A (en) * 1975-11-21 1977-05-26 Hitachi Ltd Bridge excitation circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1473596B2 (de) * 1964-01-27 1971-06-09 Siemens AG, 1000 Berlin u 8000 München Schaltungsanordnung zur gleichstromspeisung fuer von der speisestromquelle entfernt angeordnete dehnungsmessstreifen bruecken
DE2307977C3 (de) * 1973-02-17 1980-05-29 Centra-Buerkle Gmbh & Co, 7036 Schoenaich Schaltungsanordnung mit einer elektrischen Brücke
US3908164A (en) * 1974-10-03 1975-09-23 Xerox Corp Corona current measurement and control arrangement
US4229692A (en) * 1978-10-25 1980-10-21 Burr-Brown Research Corporation Linear low drift bridge amplifier
US4205556A (en) * 1979-02-12 1980-06-03 Rockwell International Corporation Circuitry for strain sensitive apparatus
DE3000291C2 (de) * 1980-01-05 1982-06-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Umwandlung einer Widerstandsänderung in eine Frequenzänderung
DE3142325C2 (de) * 1981-10-24 1983-08-25 Hewlett-Packard GmbH, 7030 Böblingen Brückenschaltung für Messzwecke

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263772A (en) * 1975-11-21 1977-05-26 Hitachi Ltd Bridge excitation circuit

Also Published As

Publication number Publication date
DE3142325A1 (de) 1983-05-11
EP0078898B1 (de) 1985-04-24
JPH0432617Y2 (ja) 1992-08-05
EP0078898A1 (de) 1983-05-18
DE3263280D1 (en) 1985-05-30
DE3142325C2 (de) 1983-08-25
JPS58108466A (ja) 1983-06-28
US4528499A (en) 1985-07-09

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