FR986476A - Improvement in electrical contacts - Google Patents

Improvement in electrical contacts

Info

Publication number
FR986476A
FR986476A FR986476DA FR986476A FR 986476 A FR986476 A FR 986476A FR 986476D A FR986476D A FR 986476DA FR 986476 A FR986476 A FR 986476A
Authority
FR
France
Prior art keywords
improvement
electrical contacts
contacts
electrical
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.)
CGG SA
Original Assignee
Compagnie Generale de Geophysique 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 Generale de Geophysique SA filed Critical Compagnie Generale de Geophysique SA
Application granted granted Critical
Publication of FR986476A publication Critical patent/FR986476A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
    • H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Contacts (AREA)
FR986476D 1949-03-08 1949-03-08 Improvement in electrical contacts Expired FR986476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986476T 1949-03-08

Publications (1)

Publication Number Publication Date
FR986476A true FR986476A (en) 1951-08-01

Family

ID=9538082

Family Applications (2)

Application Number Title Priority Date Filing Date
FR986476D Expired FR986476A (en) 1949-03-08 1949-03-08 Improvement in electrical contacts
FR61232D Expired FR61232E (en) 1949-03-08 1951-01-13 Improvement in electrical contacts

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR61232D Expired FR61232E (en) 1949-03-08 1951-01-13 Improvement in electrical contacts

Country Status (6)

Country Link
US (1) US2690512A (en)
BE (1) BE507578A (en)
DE (1) DE816280C (en)
FR (2) FR986476A (en)
GB (2) GB672377A (en)
NL (4) NL78787C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2864920A (en) * 1954-10-20 1958-12-16 George Trad High speed switch mechanism
US3345884A (en) * 1964-09-18 1967-10-10 Ammco Tools Inc Grinding device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US767599A (en) * 1903-09-17 1904-08-16 Charles E Sedgwick Electrically-operated apparatus.
US1078106A (en) * 1909-07-17 1913-11-11 Mcmeen & Miller Harmonic relay.
US1692961A (en) * 1921-12-29 1928-11-27 American Telephone & Telegraph Alternating-current relay
US1905771A (en) * 1926-11-27 1933-04-25 Gen Electric Vapor Lamp Co Switch mounting
US1949489A (en) * 1932-01-21 1934-03-06 Harry W Burmeister Flasher switch
US2634377A (en) * 1950-09-11 1953-04-07 Bendix Aviat Corp Vibratory switch

Also Published As

Publication number Publication date
GB700489A (en) 1953-12-02
NL151504B (en)
GB672377A (en) 1952-05-21
DE816280C (en) 1951-10-08
NL165783B (en)
NL81980C (en)
BE507578A (en)
NL78787C (en)
US2690512A (en) 1954-09-28
FR61232E (en) 1955-04-05

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