FR446580A - Relais télégraphique polarisé - Google Patents

Relais télégraphique polarisé

Info

Publication number
FR446580A
FR446580A FR446580A FR446580DA FR446580A FR 446580 A FR446580 A FR 446580A FR 446580 A FR446580 A FR 446580A FR 446580D A FR446580D A FR 446580DA FR 446580 A FR446580 A FR 446580A
Authority
FR
France
Prior art keywords
telegraph relay
polarized
polarized telegraph
relay
telegraph
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
FR446580A
Other languages
English (en)
French (fr)
Inventor
Alfredo Colonna
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR446580A publication Critical patent/FR446580A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
FR446580A 1912-08-09 1912-07-27 Relais télégraphique polarisé Expired FR446580A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191218369T 1912-08-09

Publications (1)

Publication Number Publication Date
FR446580A true FR446580A (fr) 1912-12-09

Family

ID=32642804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446580A Expired FR446580A (fr) 1912-08-09 1912-07-27 Relais télégraphique polarisé

Country Status (3)

Country Link
DE (1) DE268939C (enrdf_load_stackoverflow)
FR (1) FR446580A (enrdf_load_stackoverflow)
GB (1) GB191218369A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE268939C (enrdf_load_stackoverflow)
GB191218369A (en) 1913-05-29

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