FR493281A - Perfectionnements aux relais - Google Patents

Perfectionnements aux relais

Info

Publication number
FR493281A
FR493281A FR493281A FR493281DA FR493281A FR 493281 A FR493281 A FR 493281A FR 493281 A FR493281 A FR 493281A FR 493281D A FR493281D A FR 493281DA FR 493281 A FR493281 A FR 493281A
Authority
FR
France
Prior art keywords
relays
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
FR493281A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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
Priority claimed from US206318A external-priority patent/US1330020A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR493281A publication Critical patent/FR493281A/fr
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
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
    • H01H50/40—Branched or multiple-limb main magnetic circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by ac

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
FR493281A 1917-12-08 1918-11-23 Perfectionnements aux relais Expired FR493281A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US206318A US1330020A (en) 1917-12-08 1917-12-08 Relay
US316519A US1342256A (en) 1917-12-08 1919-08-09 Relay

Publications (1)

Publication Number Publication Date
FR493281A true FR493281A (fr) 1919-08-05

Family

ID=26901243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493281A Expired FR493281A (fr) 1917-12-08 1918-11-23 Perfectionnements aux relais

Country Status (2)

Country Link
US (2) US1342256A (fr)
FR (1) FR493281A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438609A (en) * 1945-02-19 1948-03-30 James G Juhasz Circuit control device
BE477999A (fr) * 1947-02-24
US2540022A (en) * 1948-03-03 1951-01-30 Ibm Dual coil electric relay
US2749454A (en) * 1953-08-28 1956-06-05 Gen Railway Signal Co Electromagnetic flashing relay

Also Published As

Publication number Publication date
US1342256A (en) 1920-06-01
USRE14834E (en) 1920-04-06

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