FR876867A - Installation de transmissions alternées d'ordres par haut-parleur - Google Patents

Installation de transmissions alternées d'ordres par haut-parleur

Info

Publication number
FR876867A
FR876867A FR876867DA FR876867A FR 876867 A FR876867 A FR 876867A FR 876867D A FR876867D A FR 876867DA FR 876867 A FR876867 A FR 876867A
Authority
FR
France
Prior art keywords
loudspeaker
commands
installation
alternate transmission
alternate
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)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR876867A publication Critical patent/FR876867A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR876867D 1940-11-27 1941-11-14 Installation de transmissions alternées d'ordres par haut-parleur Expired FR876867A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE222911X 1940-11-27

Publications (1)

Publication Number Publication Date
FR876867A true FR876867A (fr) 1942-11-19

Family

ID=5847797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876867D Expired FR876867A (fr) 1940-11-27 1941-11-14 Installation de transmissions alternées d'ordres par haut-parleur

Country Status (3)

Country Link
BE (1) BE443322A (enrdf_load_stackoverflow)
CH (1) CH222911A (enrdf_load_stackoverflow)
FR (1) FR876867A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH222911A (de) 1942-08-15
BE443322A (enrdf_load_stackoverflow)

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