FI40917B - - Google Patents

Info

Publication number
FI40917B
FI40917B FI1717/64A FI171764A FI40917B FI 40917 B FI40917 B FI 40917B FI 1717/64 A FI1717/64 A FI 1717/64A FI 171764 A FI171764 A FI 171764A FI 40917 B FI40917 B FI 40917B
Authority
FI
Finland
Application number
FI1717/64A
Other languages
Finnish (fi)
Inventor
H Theobald
Original Assignee
L M Ericsson A B Oy
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 L M Ericsson A B Oy filed Critical L M Ericsson A B Oy
Application granted granted Critical
Publication of FI40917B publication Critical patent/FI40917B/fi

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H01T1/24—Selection of materials for electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0201—Materials for reed contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/64—Protective enclosures, baffle plates, or screens for contacts
    • H01H1/66—Contacts sealed in an evacuated or gas-filled envelope, e.g. magnetic dry-reed contacts
FI1717/64A 1963-09-24 1964-08-11 FI40917B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1041263 1963-09-24

Publications (1)

Publication Number Publication Date
FI40917B true FI40917B (fr) 1969-03-31

Family

ID=20292266

Family Applications (1)

Application Number Title Priority Date Filing Date
FI1717/64A FI40917B (fr) 1963-09-24 1964-08-11

Country Status (9)

Country Link
US (1) US3261957A (fr)
BE (1) BE652611A (fr)
BR (1) BR6462139D0 (fr)
DE (1) DE1244296B (fr)
DK (1) DK111627C (fr)
FI (1) FI40917B (fr)
FR (1) FR1408691A (fr)
GB (1) GB1078277A (fr)
NL (1) NL146634B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1517702A (en) * 1974-09-19 1978-07-12 Fujitsu Ltd Electrical contact
US11309140B2 (en) * 2019-01-04 2022-04-19 Littelfuse, Inc. Contact switch coating

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2289830A (en) * 1938-03-29 1942-07-14 Bell Telephone Labor Inc Circuit closing device
US2696543A (en) * 1948-12-18 1954-12-07 Bell Telephone Labor Inc Electric switch

Also Published As

Publication number Publication date
BR6462139D0 (pt) 1973-08-09
DK111627B (fr) 1968-09-23
FR1408691A (fr) 1965-08-13
BE652611A (fr) 1964-12-31
NL6409819A (fr) 1965-03-25
NL146634B (nl) 1975-07-15
DE1244296B (de) 1967-07-13
GB1078277A (en) 1967-08-09
US3261957A (en) 1966-07-19
DK111627C (da) 1968-09-23

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