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BE414835A - - Google Patents

Info

Publication number
BE414835A
BE414835A BE414835DA BE414835A BE 414835 A BE414835 A BE 414835A BE 414835D A BE414835D A BE 414835DA BE 414835 A BE414835 A BE 414835A
Authority
BE
Belgium
Prior art keywords
recording
correspondent
phonogram
steel wire
relay
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE414835A publication Critical patent/BE414835A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/64Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65Recording arrangements for recording a message from the calling party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
BE414835D BE414835A (da)

Publications (1)

Publication Number Publication Date
BE414835A true BE414835A (da)

Family

ID=78084

Family Applications (1)

Application Number Title Priority Date Filing Date
BE414835D BE414835A (da)

Country Status (1)

Country Link
BE (1) BE414835A (da)

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