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 (fr)

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 (fr)

Family

ID=22604702

Family Applications (1)

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

Country Status (3)

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

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

Similar Documents

Publication Publication Date Title
BE420085R (fr)
BE420975A (fr)
BE421017A (fr)
NL87892C (fr)
NL67274C (fr)
NL65463C (fr)
NL59330C (fr)
NL51935C (fr)
BE443183A (fr)
BE428221A (fr)
BE427393A (fr)
BE426835A (fr)
BE426311A (fr)
BE425803A (fr)
BE422006A (fr)
BE421925A (fr)
BE421670A (fr)
BE421624A (fr)
BE421514A (fr)
BE421498A (fr)
BE421473A (fr)
BE421431A (fr)
BE421290A (fr)
BE421282A (fr)
BE421280A (fr)