FR737388A - Counter or recorder device for automatic telephone - Google Patents

Counter or recorder device for automatic telephone

Info

Publication number
FR737388A
FR737388A FR737388DA FR737388A FR 737388 A FR737388 A FR 737388A FR 737388D A FR737388D A FR 737388DA FR 737388 A FR737388 A FR 737388A
Authority
FR
France
Prior art keywords
counter
automatic telephone
recorder device
recorder
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
French (fr)
Inventor
Ottomar Weber
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 FR737388A publication Critical patent/FR737388A/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
    • H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR737388D 1931-05-23 1932-05-21 Counter or recorder device for automatic telephone Expired FR737388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE737388X 1931-05-23

Publications (1)

Publication Number Publication Date
FR737388A true FR737388A (en) 1932-12-10

Family

ID=6642561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR737388D Expired FR737388A (en) 1931-05-23 1932-05-21 Counter or recorder device for automatic telephone

Country Status (1)

Country Link
FR (1) FR737388A (en)

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