FR1063229A - Low direct current measuring device and earth detector - Google Patents

Low direct current measuring device and earth detector

Info

Publication number
FR1063229A
FR1063229A FR1063229DA FR1063229A FR 1063229 A FR1063229 A FR 1063229A FR 1063229D A FR1063229D A FR 1063229DA FR 1063229 A FR1063229 A FR 1063229A
Authority
FR
France
Prior art keywords
measuring device
direct current
current measuring
low direct
earth detector
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
Application number
Other languages
French (fr)
Inventor
Firmin Cognet
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
Application granted granted Critical
Publication of FR1063229A publication Critical patent/FR1063229A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1063229D 1952-06-27 1952-06-27 Low direct current measuring device and earth detector Expired FR1063229A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1063229T 1952-06-27

Publications (1)

Publication Number Publication Date
FR1063229A true FR1063229A (en) 1954-04-30

Family

ID=9601030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1063229D Expired FR1063229A (en) 1952-06-27 1952-06-27 Low direct current measuring device and earth detector

Country Status (1)

Country Link
FR (1) FR1063229A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579462A2 (en) * 1992-07-10 1994-01-19 Sumitomo Special Metal Co., Ltd. DC current sensor
EP1542025A1 (en) * 2002-06-18 2005-06-15 Loyal Port Company Limited Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579462A2 (en) * 1992-07-10 1994-01-19 Sumitomo Special Metal Co., Ltd. DC current sensor
EP0579462A3 (en) * 1992-07-10 1994-06-08 Sumitomo Spec Metals Dc current sensor
EP1542025A1 (en) * 2002-06-18 2005-06-15 Loyal Port Company Limited Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method
EP1542025A4 (en) * 2002-06-18 2005-09-14 Loyal Port Company Ltd Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method
JPWO2003107017A1 (en) * 2002-06-18 2005-10-13 株式会社エルポート Magnetic bridge type current sensor, magnetic bridge type current detection method, and magnetic bridge used in the sensor and detection method
CN100454024C (en) * 2002-06-18 2009-01-21 株式会社埃尔博特 Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method
JP4515905B2 (en) * 2002-06-18 2010-08-04 株式会社エルポート Magnetic bridge type current sensor, magnetic bridge type current detection method, and magnetic bridge used in the sensor and detection method

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