DE68919680D1 - Stromsensorschaltung. - Google Patents

Stromsensorschaltung.

Info

Publication number
DE68919680D1
DE68919680D1 DE68919680T DE68919680T DE68919680D1 DE 68919680 D1 DE68919680 D1 DE 68919680D1 DE 68919680 T DE68919680 T DE 68919680T DE 68919680 T DE68919680 T DE 68919680T DE 68919680 D1 DE68919680 D1 DE 68919680D1
Authority
DE
Germany
Prior art keywords
current sensor
sensor circuit
circuit
current
sensor
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.)
Expired - Lifetime
Application number
DE68919680T
Other languages
English (en)
Other versions
DE68919680T2 (de
Inventor
Tetsuo Toyo Communicati Habiro
Takeo Toyo Communicati Kashiwa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Communication Equipment Co Ltd
Original Assignee
Toyo Communication Equipment Co Ltd
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 Toyo Communication Equipment Co Ltd filed Critical Toyo Communication Equipment Co Ltd
Application granted granted Critical
Publication of DE68919680D1 publication Critical patent/DE68919680D1/de
Publication of DE68919680T2 publication Critical patent/DE68919680T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Hall/Mr Elements (AREA)
DE68919680T 1988-09-22 1989-09-22 Stromsensorschaltung. Expired - Lifetime DE68919680T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63238135A JPH0726978B2 (ja) 1988-09-22 1988-09-22 電流センサ回路
PCT/JP1989/000968 WO1990003581A1 (en) 1988-09-22 1989-09-22 Current sensor circuit
CA002032365A CA2032365C (en) 1988-09-22 1990-12-14 Current sensor circuit

Publications (2)

Publication Number Publication Date
DE68919680D1 true DE68919680D1 (de) 1995-01-12
DE68919680T2 DE68919680T2 (de) 1995-05-24

Family

ID=25674411

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919680T Expired - Lifetime DE68919680T2 (de) 1988-09-22 1989-09-22 Stromsensorschaltung.

Country Status (8)

Country Link
US (1) US5065088A (de)
EP (1) EP0386272B1 (de)
JP (1) JPH0726978B2 (de)
CA (1) CA2032365C (de)
DE (1) DE68919680T2 (de)
HK (1) HK39095A (de)
SG (1) SG21895G (de)
WO (1) WO1990003581A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311587A (en) * 1991-06-14 1994-05-10 Murata Manufacturing Co., Ltd. Sensor circuit for telephone line
JP2564743Y2 (ja) * 1991-07-01 1998-03-09 株式会社村田製作所 電話回線用センサユニット
JP3142994B2 (ja) * 1993-07-21 2001-03-07 株式会社東芝 電力演算装置
US5515001A (en) * 1994-01-31 1996-05-07 The United States Of America As Represented By The United States National Aeronautics And Space Administration Current-measuring operational amplifier circuits
JP3081751B2 (ja) * 1994-03-03 2000-08-28 株式会社東芝 電気量測定装置
GB9505314D0 (en) * 1995-03-16 1995-05-03 Trontelj Janez Electricity measurement apparatus
US6392400B1 (en) * 1998-10-08 2002-05-21 Schlumberger Resource Management Services High linearity, low offset interface for Hall effect devices
US6289100B1 (en) 1999-03-09 2001-09-11 Hubbell Incorporated Communications station having hall effect device for controlling hookswitch operations
JP4258430B2 (ja) * 2003-06-27 2009-04-30 日本ビクター株式会社 電流センサ
DE102006006314A1 (de) * 2005-05-25 2006-11-30 Conti Temic Microelectronic Gmbh Vorrichtung zur Messung der Stromstärke
US7847536B2 (en) 2006-08-31 2010-12-07 Itron, Inc. Hall sensor with temperature drift control
JP5629302B2 (ja) * 2012-02-29 2014-11-19 旭化成エレクトロニクス株式会社 自己診断機能を有する電流センサ及び信号処理回路
DE102012011759A1 (de) * 2012-06-13 2013-12-19 Gerrit Ebbers Verfahren zur Frequenzmessung von magnetischen Wellen
DE102014011831A1 (de) * 2014-08-08 2016-02-11 ChenYang Technologies GmbH & Co. KG Nullpunktoffset-Reduzierung bei Magnetfeldsensoren

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917396B1 (de) * 1970-05-13 1974-04-30
JPS5253501Y2 (de) * 1973-05-11 1977-12-05
GB1479094A (en) * 1975-03-25 1977-07-06 Standard Telephones Cables Ltd Ring trip detectors
GB1461207A (en) * 1975-04-01 1977-01-13 Standard Telephones Cables Ltd Electrical circuit for indicating the presence and direction of flow of an electrical current
GB1575111A (en) * 1978-05-09 1980-09-17 Standard Telephones Cables Ltd Current monitoring circuits including hall effect devices
DE2843026A1 (de) * 1978-10-03 1980-04-24 Bosch Gmbh Robert Strommessgeraet mit einer stromzange
JPS577021Y2 (de) * 1979-01-18 1982-02-09
JPS632178U (de) * 1986-06-20 1988-01-08

Also Published As

Publication number Publication date
HK39095A (en) 1995-03-24
EP0386272A1 (de) 1990-09-12
WO1990003581A1 (en) 1990-04-05
JPH0287075A (ja) 1990-03-27
EP0386272B1 (de) 1994-11-30
CA2032365C (en) 1994-08-02
DE68919680T2 (de) 1995-05-24
US5065088A (en) 1991-11-12
JPH0726978B2 (ja) 1995-03-29
SG21895G (en) 1995-08-18
EP0386272A4 (en) 1992-01-15
CA2032365A1 (en) 1992-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition