FR783574A - Improvements in means for counting telephone calls, in particular those for automatic telephone installations - Google Patents

Improvements in means for counting telephone calls, in particular those for automatic telephone installations

Info

Publication number
FR783574A
FR783574A FR783574DA FR783574A FR 783574 A FR783574 A FR 783574A FR 783574D A FR783574D A FR 783574DA FR 783574 A FR783574 A FR 783574A
Authority
FR
France
Prior art keywords
particular those
counting
telephone
installations
automatic
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
Laporte
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 FR783574A publication Critical patent/FR783574A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR783574D 1933-12-01 1934-12-01 Improvements in means for counting telephone calls, in particular those for automatic telephone installations Expired FR783574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE783574X 1933-12-01

Publications (1)

Publication Number Publication Date
FR783574A true FR783574A (en) 1935-07-16

Family

ID=3880489

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783574D Expired FR783574A (en) 1933-12-01 1934-12-01 Improvements in means for counting telephone calls, in particular those for automatic telephone installations

Country Status (2)

Country Link
BE (1) BE400062A (en)
FR (1) FR783574A (en)

Also Published As

Publication number Publication date
BE400062A (en)

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