NL81980C - - Google Patents

Info

Publication number
NL81980C
NL81980C NL81980DA NL81980C NL 81980 C NL81980 C NL 81980C NL 81980D A NL81980D A NL 81980DA NL 81980 C NL81980 C NL 81980C
Authority
NL
Netherlands
Application number
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.)
Publication of NL81980C publication Critical patent/NL81980C/xx

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)
  • Contacts (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
NL81980D 1949-03-08 NL81980C (ja)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL81980C true NL81980C (ja)

Family

ID=9538082

Family Applications (4)

Application Number Title Priority Date Filing Date
NL78787D NL78787C (ja) 1949-03-08
NL81980D NL81980C (ja) 1949-03-08
NL666617422A NL151504B (nl) 1949-03-08 Inrichting voor het nabootsen van de drukwerking van schokgolven bij een kernexplosie.
NL7500788.A NL165783B (nl) 1949-03-08 Werkwijze voor het verbeteren. versterken of modificeren van de organoleptische eigenschappen van parfums, voedings- middelen en dergelijke, werkwijze ter bereiding van een parfum of aroma-modificerend preparaat, de aldus verkregen gevormde voortbrengselen, en werkwijze ter bereiding van daartoe geschikte spiraanderivaten.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL78787D NL78787C (ja) 1949-03-08

Family Applications After (2)

Application Number Title Priority Date Filing Date
NL666617422A NL151504B (nl) 1949-03-08 Inrichting voor het nabootsen van de drukwerking van schokgolven bij een kernexplosie.
NL7500788.A NL165783B (nl) 1949-03-08 Werkwijze voor het verbeteren. versterken of modificeren van de organoleptische eigenschappen van parfums, voedings- middelen en dergelijke, werkwijze ter bereiding van een parfum of aroma-modificerend preparaat, de aldus verkregen gevormde voortbrengselen, en werkwijze ter bereiding van daartoe geschikte spiraanderivaten.

Country Status (6)

Country Link
US (1) US2690512A (ja)
BE (1) BE507578A (ja)
DE (1) DE816280C (ja)
FR (2) FR986476A (ja)
GB (2) GB672377A (ja)
NL (4) NL165783B (ja)

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
NL78787C (ja)
GB700489A (en) 1953-12-02
NL151504B (nl)
DE816280C (de) 1951-10-08
US2690512A (en) 1954-09-28
BE507578A (ja)
GB672377A (en) 1952-05-21
NL165783B (nl)
FR986476A (fr) 1951-08-01
FR61232E (fr) 1955-04-05

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