FR2026915A1 - - Google Patents

Info

Publication number
FR2026915A1
FR2026915A1 FR6944403A FR6944403A FR2026915A1 FR 2026915 A1 FR2026915 A1 FR 2026915A1 FR 6944403 A FR6944403 A FR 6944403A FR 6944403 A FR6944403 A FR 6944403A FR 2026915 A1 FR2026915 A1 FR 2026915A1
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.)
Withdrawn
Application number
FR6944403A
Other languages
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.)
ABB Training Center GmbH and Co KG
Original Assignee
Hartmann and Braun 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 Hartmann and Braun AG filed Critical Hartmann and Braun AG
Publication of FR2026915A1 publication Critical patent/FR2026915A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits
FR6944403A 1968-12-23 1969-12-22 Withdrawn FR2026915A1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681816553 DE1816553B2 (de) 1968-12-23 1968-12-23 Einrichtung zum schutze von in explosionsgefaehrdeten raeumen befindlichen verbrauchern und oder messwertgebern

Publications (1)

Publication Number Publication Date
FR2026915A1 true FR2026915A1 (xx) 1970-09-25

Family

ID=5717190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6944403A Withdrawn FR2026915A1 (xx) 1968-12-23 1969-12-22

Country Status (4)

Country Link
DE (1) DE1816553B2 (xx)
FR (1) FR2026915A1 (xx)
GB (1) GB1256780A (xx)
NL (1) NL6919066A (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4984508A (xx) * 1972-12-19 1974-08-14
JPS50113752A (xx) * 1974-02-21 1975-09-06
DE2411633C3 (de) * 1974-03-12 1981-06-19 Brown, Boveri & Cie Ag, 6800 Mannheim Schaltungsanordnung zur Strombegrenzung
DE2544482C3 (de) * 1975-10-04 1981-05-27 Brown, Boveri & Cie Ag, 6800 Mannheim Aus einer Strom- und Spannungsbegrenzungsschaltung bestehende Zenerbarriere
DE2917256A1 (de) * 1979-04-27 1980-11-06 Kraftwerk Union Ag Ueberspannungsschutzeinrichtung fuer elektronische geraete
DE2937298C2 (de) * 1979-09-12 1985-01-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung für eine eigensichere Gleichstrom-Versorgung
GB2140231B (en) * 1983-04-29 1986-10-29 Weatherford Lamb Battery power pack
GB8311738D0 (en) * 1983-04-29 1983-06-02 Weatherford Lamb Battery power pack
GB2145858A (en) * 1983-08-27 1985-04-03 Hunslett Monitoring system
GB2245439B (en) * 1987-09-26 1992-04-29 Measurement Tech Ltd Electrical safety barriers
GB8722680D0 (en) * 1987-09-26 1987-11-04 Measurement Tech Ltd Electrical safety barriers
GB8722679D0 (en) * 1987-09-26 1987-11-04 Measurement Tech Ltd Electrical safety barriers

Also Published As

Publication number Publication date
GB1256780A (xx) 1971-12-15
DE1816553B2 (de) 1971-09-30
DE1816553A1 (de) 1970-06-25
NL6919066A (xx) 1970-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse