CH234895A - Circuit arrangement for the determination of participants in telecommunication systems. - Google Patents

Circuit arrangement for the determination of participants in telecommunication systems.

Info

Publication number
CH234895A
CH234895A CH234895DA CH234895A CH 234895 A CH234895 A CH 234895A CH 234895D A CH234895D A CH 234895DA CH 234895 A CH234895 A CH 234895A
Authority
CH
Switzerland
Prior art keywords
participants
determination
circuit arrangement
telecommunication systems
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 CH234895A publication Critical patent/CH234895A/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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
CH234895D 1938-08-13 1939-08-12 Circuit arrangement for the determination of participants in telecommunication systems. CH234895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB234895X 1938-08-13

Publications (1)

Publication Number Publication Date
CH234895A true CH234895A (en) 1944-10-31

Family

ID=10196442

Family Applications (1)

Application Number Title Priority Date Filing Date
CH234895D CH234895A (en) 1938-08-13 1939-08-12 Circuit arrangement for the determination of participants in telecommunication systems.

Country Status (6)

Country Link
BE (1) BE435678A (en)
CH (1) CH234895A (en)
DE (1) DE892463C (en)
FR (1) FR858506A (en)
GB (1) GB517993A (en)
NL (1) NL54464C (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705917A (en) * 1925-02-19 1929-03-19 Toll-service telephone-exchange system
DE635669C (en) * 1932-11-01 1936-09-28 Friedrich Merk Telefonbau Akt Device for determining the number of a calling subscriber in self-access connection systems
US2193967A (en) * 1933-01-05 1940-03-19 Teletype Corp Automatic message exchange system

Also Published As

Publication number Publication date
GB517993A (en) 1940-02-14
NL54464C (en)
DE892463C (en) 1953-10-08
FR858506A (en) 1940-11-27
BE435678A (en)

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