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GB2054872B - Electronic trigger - Google Patents

Electronic trigger

Info

Publication number
GB2054872B
GB2054872B GB8020982A GB8020982A GB2054872B GB 2054872 B GB2054872 B GB 2054872B GB 8020982 A GB8020982 A GB 8020982A GB 8020982 A GB8020982 A GB 8020982A GB 2054872 B GB2054872 B GB 2054872B
Authority
GB
United Kingdom
Prior art keywords
electronic trigger
trigger
electronic
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
GB8020982A
Other versions
GB2054872A (en
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB2054872A publication Critical patent/GB2054872A/en
Application granted granted Critical
Publication of GB2054872B publication Critical patent/GB2054872B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
    • 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)
  • Emergency Protection Circuit Devices (AREA)
GB8020982A 1979-06-26 1980-06-26 Electronic trigger Expired GB2054872B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792925707 DE2925707A1 (en) 1979-06-26 1979-06-26 ELECTRONIC TRIGGER

Publications (2)

Publication Number Publication Date
GB2054872A GB2054872A (en) 1981-02-18
GB2054872B true GB2054872B (en) 1984-05-31

Family

ID=6074171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8020982A Expired GB2054872B (en) 1979-06-26 1980-06-26 Electronic trigger

Country Status (4)

Country Link
DE (1) DE2925707A1 (en)
FR (1) FR2460060B1 (en)
GB (1) GB2054872B (en)
IT (1) IT1131641B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414601A (en) * 1981-04-27 1983-11-08 Westinghouse Electric Corp. Solid-state load protection system having a test feature
US4439666A (en) * 1981-10-07 1984-03-27 Intermountain Thermafloor Electrical heating system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178642A (en) * 1959-11-18 1965-04-13 Westinghouse Electric Corp Electrical testers having means for supplying three-phase voltage of adjustable magnitude and polarity for testing polyphase electrical apparatus
DE1588924A1 (en) * 1967-11-03 1971-04-01 Starkstrom Anlagenbau Erfurt V Testing device for electronic protection and control elements

Also Published As

Publication number Publication date
IT8022943A0 (en) 1980-06-23
FR2460060A1 (en) 1981-01-16
FR2460060B1 (en) 1985-10-31
GB2054872A (en) 1981-02-18
IT1131641B (en) 1986-06-25
DE2925707A1 (en) 1981-01-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960626