FR1542724A - Perfectionnements aux relais différentiels - Google Patents

Perfectionnements aux relais différentiels

Info

Publication number
FR1542724A
FR1542724A FR120199A FR120199A FR1542724A FR 1542724 A FR1542724 A FR 1542724A FR 120199 A FR120199 A FR 120199A FR 120199 A FR120199 A FR 120199A FR 1542724 A FR1542724 A FR 1542724A
Authority
FR
France
Prior art keywords
differential relays
relays
differential
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
FR120199A
Other languages
English (en)
Inventor
Trinh-Van-Nhung
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Priority to FR120199A priority Critical patent/FR1542724A/fr
Application granted granted Critical
Publication of FR1542724A publication Critical patent/FR1542724A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/14—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for differential operation of the relay
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/32—Energising current supplied by semiconductor device
FR120199A 1967-09-06 1967-09-06 Perfectionnements aux relais différentiels Expired FR1542724A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR120199A FR1542724A (fr) 1967-09-06 1967-09-06 Perfectionnements aux relais différentiels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR120199A FR1542724A (fr) 1967-09-06 1967-09-06 Perfectionnements aux relais différentiels

Publications (1)

Publication Number Publication Date
FR1542724A true FR1542724A (fr) 1968-10-18

Family

ID=8637884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR120199A Expired FR1542724A (fr) 1967-09-06 1967-09-06 Perfectionnements aux relais différentiels

Country Status (1)

Country Link
FR (1) FR1542724A (fr)

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