BE442994A - - Google Patents

Info

Publication number
BE442994A
BE442994A BE442994DA BE442994A BE 442994 A BE442994 A BE 442994A BE 442994D A BE442994D A BE 442994DA BE 442994 A BE442994 A BE 442994A
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 BE442994A publication Critical patent/BE442994A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
BE442994D 1937-10-01 BE442994A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US166787A US2170694A (en) 1937-10-01 1937-10-01 Electromagnetic switch and system therefor

Publications (1)

Publication Number Publication Date
BE442994A true BE442994A (zh)

Family

ID=22604702

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442994D BE442994A (zh) 1937-10-01

Country Status (3)

Country Link
US (1) US2170694A (zh)
BE (1) BE442994A (zh)
FR (2) FR844090A (zh)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421998A (en) * 1941-05-16 1947-06-10 Signal Engincering & Mfg Compa Electrical circuit controlling device
US2452034A (en) * 1944-10-06 1948-10-26 Walter H Campbell Electrical drop signal device
US2505904A (en) * 1945-05-28 1950-05-02 Allen Bradley Co Holding relay with permanent magnet
US2504996A (en) * 1945-08-22 1950-04-25 Macdonald Waldron Shapleigh Electromotive device
US2541018A (en) * 1946-11-01 1951-02-13 Signal Tuned Radio Corp Stop-on-signal radio apparatus
US2565911A (en) * 1948-01-28 1951-08-28 Frank T Cooper Electronic device for sound reproduction of musical instruments
US2538819A (en) * 1948-09-07 1951-01-23 Kellogg Switchboard & Supply Plural armature electromagnetic counting device
US2552636A (en) * 1949-02-14 1951-05-15 Herbert Clemmens Time-delay relay arrangement
US2715719A (en) * 1951-06-14 1955-08-16 Itt Remote supervisory and control system
US2869050A (en) * 1952-01-04 1959-01-13 Magnetic circuits
US2871676A (en) * 1954-07-06 1959-02-03 Gen Motors Corp Refrigerating apparatus with magnetic latch
US3022400A (en) * 1957-06-27 1962-02-20 Ahlefeldt Rolf S Von Two-way solenoid
US3142036A (en) * 1958-06-09 1964-07-21 Ibm Multi-aperture magnetic core storage device
US3239721A (en) * 1958-12-18 1966-03-08 Monroe Int Electromagnetically controlled readout device
US3109126A (en) * 1959-12-09 1963-10-29 Gen Signal Corp Magnetic stick type relay
US3153227A (en) * 1960-06-30 1964-10-13 Monroe Int Display device having magnetically controlled plural indicia plates
NL275584A (zh) * 1961-03-06 1900-01-01
US3217122A (en) * 1961-11-01 1965-11-09 Automatic Elect Lab Bi-stable reed relay
US3506883A (en) * 1965-12-22 1970-04-14 Heiwa Electric Electrical locking device
US4409552A (en) * 1981-04-16 1983-10-11 Honeywell Inc. Cyclic means with magnetic latch for checking switch integrity

Also Published As

Publication number Publication date
US2170694A (en) 1939-08-22
FR51434E (fr) 1942-06-24
FR844090A (fr) 1939-07-18

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