FR556512A - Dispositif de signalisation - Google Patents

Dispositif de signalisation

Info

Publication number
FR556512A
FR556512A FR556512DA FR556512A FR 556512 A FR556512 A FR 556512A FR 556512D A FR556512D A FR 556512DA FR 556512 A FR556512 A FR 556512A
Authority
FR
France
Prior art keywords
signaling device
signaling
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
English (en)
Inventor
Lucien Jublin
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 FR556512A publication Critical patent/FR556512A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR556512D 1922-09-25 1922-09-25 Dispositif de signalisation Expired FR556512A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR556512T 1922-09-25

Publications (1)

Publication Number Publication Date
FR556512A true FR556512A (fr) 1923-07-21

Family

ID=8940219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR556512D Expired FR556512A (fr) 1922-09-25 1922-09-25 Dispositif de signalisation

Country Status (1)

Country Link
FR (1) FR556512A (fr)

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