BE470721A - - Google Patents

Info

Publication number
BE470721A
BE470721A BE470721DA BE470721A BE 470721 A BE470721 A BE 470721A BE 470721D A BE470721D A BE 470721DA BE 470721 A BE470721 A BE 470721A
Authority
BE
Belgium
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 BE470721A publication Critical patent/BE470721A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Load-Engaging Elements For Cranes (AREA)
BE470721D 1946-02-27 BE470721A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2499553X 1946-02-27

Publications (1)

Publication Number Publication Date
BE470721A true BE470721A (xx)

Family

ID=20425898

Family Applications (1)

Application Number Title Priority Date Filing Date
BE470721D BE470721A (xx) 1946-02-27

Country Status (3)

Country Link
US (1) US2499553A (xx)
BE (1) BE470721A (xx)
FR (1) FR942267A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647166A (en) * 1949-01-19 1953-07-28 Int Standard Electric Corp Switching mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB225932A (en) * 1923-09-11 1924-12-11 Relay Automatic Telephone Co Improvements in electric switching apparatus suitable for use in telephony
US2127322A (en) * 1934-07-06 1938-08-16 Ericsson Telefon Ab L M Selector
US2309422A (en) * 1940-08-23 1943-01-26 Western Electric Co Circuit controlling device for electrical switching apparatus
US2367101A (en) * 1940-09-19 1945-01-09 Vigren Sten Daniel Selecting device for telephone and signal systems
US2438042A (en) * 1945-04-21 1948-03-16 Stromberg Carlson Co Selector switch

Also Published As

Publication number Publication date
FR942267A (fr) 1949-02-03
US2499553A (en) 1950-03-07

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