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FR692234A - Improvements to electrical relays - Google Patents

Improvements to electrical relays

Info

Publication number
FR692234A
FR692234A FR692234DA FR692234A FR 692234 A FR692234 A FR 692234A FR 692234D A FR692234D A FR 692234DA FR 692234 A FR692234 A FR 692234A
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 Technologies Inc
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 FR692234A publication Critical patent/FR692234A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/46—Short-circuited conducting sleeves, bands, or discs

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Relay Circuits (AREA)
FR692234D 1929-04-26 1930-03-18 Improvements to electrical relays Expired FR692234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US358198A US1824130A (en) 1929-04-26 1929-04-26 Relay

Publications (1)

Publication Number Publication Date
FR692234A true FR692234A (en) 1930-10-31

Family

ID=23408666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692234D Expired FR692234A (en) 1929-04-26 1930-03-18 Improvements to electrical relays

Country Status (3)

Country Link
US (1) US1824130A (en)
FR (1) FR692234A (en)
GB (1) GB344214A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111707895A (en) * 2020-06-22 2020-09-25 合肥博雷电气有限公司 Electromagnetic environment complexity evaluation method and system based on machine learning

Also Published As

Publication number Publication date
US1824130A (en) 1931-09-22
GB344214A (en) 1931-03-05

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