FR747673A - Electric relays - Google Patents

Electric relays

Info

Publication number
FR747673A
FR747673A FR747673DA FR747673A FR 747673 A FR747673 A FR 747673A FR 747673D A FR747673D A FR 747673DA FR 747673 A FR747673 A FR 747673A
Authority
FR
France
Prior art keywords
electric relays
relays
electric
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
Other languages
French (fr)
Inventor
Rolf Wideroe
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
Application granted granted Critical
Publication of FR747673A publication Critical patent/FR747673A/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
    • H02H3/40—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 responsive to ratio of voltage and current
FR747673D 1931-12-18 1932-12-17 Electric relays Expired FR747673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE747673X 1931-12-18

Publications (1)

Publication Number Publication Date
FR747673A true FR747673A (en) 1933-06-22

Family

ID=6648686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747673D Expired FR747673A (en) 1931-12-18 1932-12-17 Electric relays

Country Status (1)

Country Link
FR (1) FR747673A (en)

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