FR587934A - Device for automatic signaling of disturbances in an electrical circuit - Google Patents

Device for automatic signaling of disturbances in an electrical circuit

Info

Publication number
FR587934A
FR587934A FR587934DA FR587934A FR 587934 A FR587934 A FR 587934A FR 587934D A FR587934D A FR 587934DA FR 587934 A FR587934 A FR 587934A
Authority
FR
France
Prior art keywords
disturbances
electrical circuit
automatic signaling
signaling
automatic
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)
Inventor
Paul De Metz
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 filed Critical
Application granted granted Critical
Publication of FR587934A publication Critical patent/FR587934A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR587934D 1924-05-06 1924-05-06 Device for automatic signaling of disturbances in an electrical circuit Expired FR587934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR587934T 1924-05-06

Publications (1)

Publication Number Publication Date
FR587934A true FR587934A (en) 1925-04-27

Family

ID=8961728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR587934D Expired FR587934A (en) 1924-05-06 1924-05-06 Device for automatic signaling of disturbances in an electrical circuit

Country Status (1)

Country Link
FR (1) FR587934A (en)

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