BE660573A - - Google Patents

Info

Publication number
BE660573A
BE660573A BE660573A BE660573A BE660573A BE 660573 A BE660573 A BE 660573A BE 660573 A BE660573 A BE 660573A BE 660573 A BE660573 A BE 660573A BE 660573 A BE660573 A BE 660573A
Authority
BE
Belgium
Application number
BE660573A
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
Publication of BE660573A publication Critical patent/BE660573A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • 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
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of current
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16509—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using electromagnetic relays, e.g. reed relay
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electronic Switches (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
BE660573A 1964-03-03 1965-03-03 BE660573A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964C0032290 DE1266877B (de) 1964-03-03 1964-03-03 Einrichtung zur UEberwachung mehrerer Messstellen

Publications (1)

Publication Number Publication Date
BE660573A true BE660573A (enrdf_load_html_response) 1965-07-01

Family

ID=7020239

Family Applications (1)

Application Number Title Priority Date Filing Date
BE660573A BE660573A (enrdf_load_html_response) 1964-03-03 1965-03-03

Country Status (4)

Country Link
BE (1) BE660573A (enrdf_load_html_response)
DE (1) DE1266877B (enrdf_load_html_response)
FR (1) FR1424157A (enrdf_load_html_response)
GB (1) GB1097436A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141661A1 (de) * 1981-10-21 1983-05-05 Brown, Boveri & Cie Ag, 6800 Mannheim Einrichtung zur ueberwachung von stromkreisen
DE3406166A1 (de) * 1984-02-21 1985-10-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Ueberlastanzeigeeinrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB701941A (en) * 1951-07-27 1954-01-06 Vickers Electrical Co Ltd Improvements relating to electrical measuring instruments

Also Published As

Publication number Publication date
DE1266877B (de) 1968-04-25
GB1097436A (en) 1968-01-03
FR1424157A (fr) 1966-01-07

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