FR1424157A - Dispositif de commutation permettant de signaler la disparition d'un courant électrique continu variable - Google Patents

Dispositif de commutation permettant de signaler la disparition d'un courant électrique continu variable

Info

Publication number
FR1424157A
FR1424157A FR4682A FR4682A FR1424157A FR 1424157 A FR1424157 A FR 1424157A FR 4682 A FR4682 A FR 4682A FR 4682 A FR4682 A FR 4682A FR 1424157 A FR1424157 A FR 1424157A
Authority
FR
France
Prior art keywords
disappearance
signaling
switching device
variable direct
electric current
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
FR4682A
Other languages
English (en)
French (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.)
Continental Elektronidustrie AG
Original Assignee
Continental Elektronidustrie AG
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 Continental Elektronidustrie AG filed Critical Continental Elektronidustrie AG
Application granted granted Critical
Publication of FR1424157A publication Critical patent/FR1424157A/fr
Expired legal-status Critical Current

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)
FR4682A 1964-03-03 1965-02-08 Dispositif de commutation permettant de signaler la disparition d'un courant électrique continu variable Expired FR1424157A (fr)

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
FR1424157A true FR1424157A (fr) 1966-01-07

Family

ID=7020239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4682A Expired FR1424157A (fr) 1964-03-03 1965-02-08 Dispositif de commutation permettant de signaler la disparition d'un courant électrique continu variable

Country Status (4)

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

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
BE660573A (nl) 1965-07-01

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