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

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
    • H01T1/24Selection of materials for electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/02Contacts characterised by the material thereof
    • H01H1/0201Materials for reed contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/64Protective enclosures, baffle plates, or screens for contacts
    • H01H1/66Contacts sealed in an evacuated or gas-filled envelope, e.g. magnetic dry-reed contacts
FI1717/64A 1963-09-24 1964-08-11 FI40917B (https=)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FI40917B true FI40917B (https=) 1969-03-31

Family

ID=20292266

Family Applications (1)

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

Country Status (9)

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

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

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