FR772042A - Appareil enregistreur de communications téléphoniques - Google Patents

Appareil enregistreur de communications téléphoniques

Info

Publication number
FR772042A
FR772042A FR772042DA FR772042A FR 772042 A FR772042 A FR 772042A FR 772042D A FR772042D A FR 772042DA FR 772042 A FR772042 A FR 772042A
Authority
FR
France
Prior art keywords
recording device
telephone communications
communications recording
telephone
recording
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
Babeix Marie Eugenie
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 FR772042A publication Critical patent/FR772042A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR772042D 1933-07-19 1933-07-19 Appareil enregistreur de communications téléphoniques Expired FR772042A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR772042T 1933-07-19

Publications (1)

Publication Number Publication Date
FR772042A true FR772042A (fr) 1934-10-22

Family

ID=9192905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772042D Expired FR772042A (fr) 1933-07-19 1933-07-19 Appareil enregistreur de communications téléphoniques

Country Status (1)

Country Link
FR (1) FR772042A (fr)

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