FR540731A - Improvements to electromagnetic relays - Google Patents

Improvements to electromagnetic relays

Info

Publication number
FR540731A
FR540731A FR540731DA FR540731A FR 540731 A FR540731 A FR 540731A FR 540731D A FR540731D A FR 540731DA FR 540731 A FR540731 A FR 540731A
Authority
FR
France
Prior art keywords
electromagnetic relays
relays
electromagnetic
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR540731A publication Critical patent/FR540731A/en
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
    • H01H47/18—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 introducing delay in the operation of the relay
FR540731D 1920-09-07 1921-09-07 Improvements to electromagnetic relays Expired FR540731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US408673A US1681473A (en) 1920-09-07 1920-09-07 Electromagnetic relay

Publications (1)

Publication Number Publication Date
FR540731A true FR540731A (en) 1922-07-17

Family

ID=23617266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540731D Expired FR540731A (en) 1920-09-07 1921-09-07 Improvements to electromagnetic relays

Country Status (4)

Country Link
US (1) US1681473A (en)
DE (1) DE379121C (en)
FR (1) FR540731A (en)
GB (1) GB168844A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968494C (en) * 1943-12-07 1958-02-27 Metzenauer & Jung G M B H Contact for electrical switchgear
US2558524A (en) * 1946-10-04 1951-06-26 North Electric Mfg Company Relay construction
BE479338A (en) * 1947-01-04
US2834850A (en) * 1954-02-12 1958-05-13 Essex Wire Corp Relay

Also Published As

Publication number Publication date
DE379121C (en) 1923-08-17
GB168844A (en) 1922-03-29
US1681473A (en) 1928-08-21

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