FR65477E - Perfectionnements apportés aux installations de téléphonie automatique - Google Patents

Perfectionnements apportés aux installations de téléphonie automatique

Info

Publication number
FR65477E
FR65477E FR65477DA FR65477E FR 65477 E FR65477 E FR 65477E FR 65477D A FR65477D A FR 65477DA FR 65477 E FR65477 E FR 65477E
Authority
FR
France
Prior art keywords
automatic telephone
telephone installations
installations
automatic
telephone
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)
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.)
Safran Transmission Systems SAS
Societe dExplotation des Materiels Hispano Suiza
Original Assignee
Societe dExplotation des Materiels Hispano Suiza
Hispano Suiza 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 dExplotation des Materiels Hispano Suiza, Hispano Suiza SA filed Critical Societe dExplotation des Materiels Hispano Suiza
Application granted granted Critical
Publication of FR65477E publication Critical patent/FR65477E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/08—Arrangements for interconnection between switching centres for phantom working

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR65477D 1952-11-25 1953-11-02 Perfectionnements apportés aux installations de téléphonie automatique Expired FR65477E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1067119T 1952-11-25

Publications (1)

Publication Number Publication Date
FR65477E true FR65477E (fr) 1956-02-21

Family

ID=9603075

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1067119D Expired FR1067119A (fr) 1952-11-25 1952-11-25 Perfectionnements apportés aux installations de téléphonie automatique
FR65477D Expired FR65477E (fr) 1952-11-25 1953-11-02 Perfectionnements apportés aux installations de téléphonie automatique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1067119D Expired FR1067119A (fr) 1952-11-25 1952-11-25 Perfectionnements apportés aux installations de téléphonie automatique

Country Status (1)

Country Link
FR (2) FR1067119A (fr)

Also Published As

Publication number Publication date
FR1067119A (fr) 1954-06-11

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