CH229089A - Device for automatic recording of data in telecommunication systems, in particular telephone systems. - Google Patents

Device for automatic recording of data in telecommunication systems, in particular telephone systems.

Info

Publication number
CH229089A
CH229089A CH229089DA CH229089A CH 229089 A CH229089 A CH 229089A CH 229089D A CH229089D A CH 229089DA CH 229089 A CH229089 A CH 229089A
Authority
CH
Switzerland
Prior art keywords
systems
data
automatic recording
particular telephone
telecommunication
Prior art date
Application number
Other languages
German (de)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH229089A publication Critical patent/CH229089A/en

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)
  • Transmission Devices (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
CH229089D 1936-11-20 1937-11-20 Device for automatic recording of data in telecommunication systems, in particular telephone systems. CH229089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB229089X 1936-11-20

Publications (1)

Publication Number Publication Date
CH229089A true CH229089A (en) 1943-09-30

Family

ID=10187009

Family Applications (1)

Application Number Title Priority Date Filing Date
CH229089D CH229089A (en) 1936-11-20 1937-11-20 Device for automatic recording of data in telecommunication systems, in particular telephone systems.

Country Status (5)

Country Link
CH (1) CH229089A (en)
DE (1) DE733975C (en)
FR (1) FR828759A (en)
GB (1) GB485580A (en)
NL (1) NL49565C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE453062A (en) * 1939-04-06

Also Published As

Publication number Publication date
NL49565C (en)
GB485580A (en) 1938-05-20
DE733975C (en) 1943-04-15
FR828759A (en) 1938-05-30

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