FR575382A - Improvements in devices for closing and opening electrical circuits - Google Patents

Improvements in devices for closing and opening electrical circuits

Info

Publication number
FR575382A
FR575382A FR575382DA FR575382A FR 575382 A FR575382 A FR 575382A FR 575382D A FR575382D A FR 575382DA FR 575382 A FR575382 A FR 575382A
Authority
FR
France
Prior art keywords
closing
devices
electrical circuits
opening electrical
opening
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.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
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 English Electric Co Ltd filed Critical English Electric Co Ltd
Application granted granted Critical
Publication of FR575382A publication Critical patent/FR575382A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/18Movable parts of magnetic circuits, e.g. armature
    • H01H50/32Latching movable parts mechanically

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanisms For Operating Contacts (AREA)
FR575382D 1922-12-27 1923-11-15 Improvements in devices for closing and opening electrical circuits Expired FR575382A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB575382X 1922-12-27

Publications (1)

Publication Number Publication Date
FR575382A true FR575382A (en) 1924-07-29

Family

ID=10479427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR575382D Expired FR575382A (en) 1922-12-27 1923-11-15 Improvements in devices for closing and opening electrical circuits

Country Status (3)

Country Link
DE (1) DE410597C (en)
FR (1) FR575382A (en)
NL (1) NL16680C (en)

Also Published As

Publication number Publication date
DE410597C (en) 1925-03-12
NL16680C (en)

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