FR1143154A - Advanced electrical signaling system - Google Patents

Advanced electrical signaling system

Info

Publication number
FR1143154A
FR1143154A FR1143154DA FR1143154A FR 1143154 A FR1143154 A FR 1143154A FR 1143154D A FR1143154D A FR 1143154DA FR 1143154 A FR1143154 A FR 1143154A
Authority
FR
France
Prior art keywords
signaling system
electrical signaling
advanced electrical
advanced
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
French (fr)
Inventor
Michel-Louis Oules
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.)
Societe dElectronique et dAutomatisme SA
Original Assignee
Societe dElectronique et dAutomatisme 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
Application filed by Societe dElectronique et dAutomatisme SA filed Critical Societe dElectronique et dAutomatisme SA
Application granted granted Critical
Publication of FR1143154A publication Critical patent/FR1143154A/en
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)
FR1143154D 1955-11-23 1955-11-23 Advanced electrical signaling system Expired FR1143154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1143154T 1955-11-23

Publications (1)

Publication Number Publication Date
FR1143154A true FR1143154A (en) 1957-09-27

Family

ID=9643706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1143154D Expired FR1143154A (en) 1955-11-23 1955-11-23 Advanced electrical signaling system

Country Status (1)

Country Link
FR (1) FR1143154A (en)

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