FR950949A - Improvements to electrical relays - Google Patents

Improvements to electrical relays

Info

Publication number
FR950949A
FR950949A FR950949DA FR950949A FR 950949 A FR950949 A FR 950949A FR 950949D A FR950949D A FR 950949DA FR 950949 A FR950949 A FR 950949A
Authority
FR
France
Prior art keywords
electrical relays
relays
electrical
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
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 Union Switch and Signal Inc filed Critical Union Switch and Signal Inc
Application granted granted Critical
Publication of FR950949A publication Critical patent/FR950949A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • 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)
FR950949D 1941-06-05 1947-08-04 Improvements to electrical relays Expired FR950949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US396737A US2301992A (en) 1941-06-05 1941-06-05 Electrical relay

Publications (1)

Publication Number Publication Date
FR950949A true FR950949A (en) 1949-10-11

Family

ID=23568437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950949D Expired FR950949A (en) 1941-06-05 1947-08-04 Improvements to electrical relays

Country Status (3)

Country Link
US (1) US2301992A (en)
BE (1) BE477703A (en)
FR (1) FR950949A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452034A (en) * 1944-10-06 1948-10-26 Walter H Campbell Electrical drop signal device
US2479231A (en) * 1945-06-06 1949-08-16 Automatic Elect Lab Alternating current relay
US2557424A (en) * 1947-03-07 1951-06-19 North American Aviation Inc Directional circuit protector
US2535977A (en) * 1949-09-27 1950-12-26 Gen Railway Signal Co Magnetic stick relay
US2916584A (en) * 1957-05-24 1959-12-08 Filtors Inc Electrically-operated latching relays

Also Published As

Publication number Publication date
US2301992A (en) 1942-11-17
BE477703A (en)

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