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SE399967B - Anordning for overvakning av en metkrets - Google Patents

Anordning for overvakning av en metkrets

Info

Publication number
SE399967B
SE399967B SE7411765A SE7411765A SE399967B SE 399967 B SE399967 B SE 399967B SE 7411765 A SE7411765 A SE 7411765A SE 7411765 A SE7411765 A SE 7411765A SE 399967 B SE399967 B SE 399967B
Authority
SE
Sweden
Prior art keywords
monitoring
method circuit
circuit
Prior art date
Application number
SE7411765A
Other languages
English (en)
Swedish (sv)
Other versions
SE7411765L (xx
Inventor
J V Vermolen
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE7411765L publication Critical patent/SE7411765L/xx
Publication of SE399967B publication Critical patent/SE399967B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/36—Overload-protection arrangements or circuits for electric measuring instruments
    • 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
    • G01R19/10—Measuring sum, difference or ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Eletrric Generators (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
SE7411765A 1973-09-22 1974-09-19 Anordning for overvakning av en metkrets SE399967B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7313095.A NL167245C (nl) 1973-09-22 1973-09-22 Inrichting voor het voeden van een elektrisch belas- tingsorgaan vanuit een spanningsbron.

Publications (2)

Publication Number Publication Date
SE7411765L SE7411765L (xx) 1975-03-24
SE399967B true SE399967B (sv) 1978-03-06

Family

ID=19819662

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7411765A SE399967B (sv) 1973-09-22 1974-09-19 Anordning for overvakning av en metkrets

Country Status (7)

Country Link
US (1) US3970930A (xx)
JP (1) JPS5416432B2 (xx)
DE (1) DE2443351C3 (xx)
FR (1) FR2244995B1 (xx)
GB (1) GB1479740A (xx)
NL (1) NL167245C (xx)
SE (1) SE399967B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531543A1 (fr) * 1982-08-05 1984-02-10 Commissariat Energie Atomique Dispositif de securite et de detection d'un liquide conducteur dans une enceinte a surveiller
US4721957A (en) * 1984-06-06 1988-01-26 Trw Inc. Ground shift compensated parameter measurement system
FR2755787B1 (fr) * 1996-11-08 1999-01-22 Sgs Thomson Microelectronics Tete de lecture et d'ecriture magnetique
US6163445A (en) * 1999-03-11 2000-12-19 Fluke Corporation Low-voltage test signal path protection circuit with extended bandwidth, overvoltage and transient protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098192A (en) * 1961-02-06 1963-07-16 Raytheon Co Protective circuit for direct current voltage regulators
US3463966A (en) * 1967-09-14 1969-08-26 Weston Instruments Inc Fail-safe circuits for protecting meters and the like against bipolar voltage overloads
US3617886A (en) * 1968-07-26 1971-11-02 Bailey Meter Co Transducer open-circuit failure detector

Also Published As

Publication number Publication date
FR2244995B1 (xx) 1977-11-04
NL167245C (nl) 1981-11-16
DE2443351C3 (de) 1978-05-24
DE2443351B2 (de) 1977-09-29
US3970930A (en) 1976-07-20
GB1479740A (en) 1977-07-13
NL167245B (nl) 1981-06-16
SE7411765L (xx) 1975-03-24
JPS5060265A (xx) 1975-05-24
NL7313095A (nl) 1975-03-25
FR2244995A1 (xx) 1975-04-18
DE2443351A1 (de) 1975-03-27
JPS5416432B2 (xx) 1979-06-22

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