FR679936A - Improvements to electrical relays - Google Patents

Improvements to electrical relays

Info

Publication number
FR679936A
FR679936A FR679936DA FR679936A FR 679936 A FR679936 A FR 679936A FR 679936D A FR679936D A FR 679936DA FR 679936 A FR679936 A FR 679936A
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.)
SPX Corp
Original Assignee
General Railway Signal Co
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 General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of FR679936A publication Critical patent/FR679936A/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
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
FR679936D 1928-09-12 1929-08-06 Improvements to electrical relays Expired FR679936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US305408A US1749331A (en) 1928-09-12 1928-09-12 Polar neutral relay

Publications (1)

Publication Number Publication Date
FR679936A true FR679936A (en) 1930-04-23

Family

ID=23180659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679936D Expired FR679936A (en) 1928-09-12 1929-08-06 Improvements to electrical relays

Country Status (4)

Country Link
US (1) US1749331A (en)
DE (1) DE518416C (en)
FR (1) FR679936A (en)
GB (1) GB318916A (en)

Also Published As

Publication number Publication date
GB318916A (en) 1930-05-01
US1749331A (en) 1930-03-04
DE518416C (en) 1931-02-18

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