FR2244995B1 - - Google Patents

Info

Publication number
FR2244995B1
FR2244995B1 FR7431810A FR7431810A FR2244995B1 FR 2244995 B1 FR2244995 B1 FR 2244995B1 FR 7431810 A FR7431810 A FR 7431810A FR 7431810 A FR7431810 A FR 7431810A FR 2244995 B1 FR2244995 B1 FR 2244995B1
Authority
FR
France
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
FR7431810A
Other versions
FR2244995A1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2244995A1 publication Critical patent/FR2244995A1/fr
Application granted granted Critical
Publication of FR2244995B1 publication Critical patent/FR2244995B1/fr
Expired legal-status Critical Current

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)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
FR7431810A 1973-09-22 1974-09-20 Expired FR2244995B1 (fr)

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
FR2244995A1 FR2244995A1 (fr) 1975-04-18
FR2244995B1 true FR2244995B1 (fr) 1977-11-04

Family

ID=19819662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431810A Expired FR2244995B1 (fr) 1973-09-22 1974-09-20

Country Status (7)

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

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
DE2443351B2 (de) 1977-09-29
DE2443351A1 (de) 1975-03-27
JPS5060265A (fr) 1975-05-24
GB1479740A (en) 1977-07-13
NL167245B (nl) 1981-06-16
FR2244995A1 (fr) 1975-04-18
DE2443351C3 (de) 1978-05-24
US3970930A (en) 1976-07-20
SE7411765L (fr) 1975-03-24
NL167245C (nl) 1981-11-16
NL7313095A (nl) 1975-03-25
SE399967B (sv) 1978-03-06
JPS5416432B2 (fr) 1979-06-22

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Legal Events

Date Code Title Description
ST Notification of lapse