CH280334A - Detection circuit arrangement in an at least semi-automatic telecommunications system. - Google Patents

Detection circuit arrangement in an at least semi-automatic telecommunications system.

Info

Publication number
CH280334A
CH280334A CH280334DA CH280334A CH 280334 A CH280334 A CH 280334A CH 280334D A CH280334D A CH 280334DA CH 280334 A CH280334 A CH 280334A
Authority
CH
Switzerland
Prior art keywords
semi
detection circuit
circuit arrangement
telecommunications system
automatic telecommunications
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Standard Telephon Und Radio
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH280334A publication Critical patent/CH280334A/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)
CH280334D 1947-09-11 1948-09-10 Detection circuit arrangement in an at least semi-automatic telecommunications system. CH280334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL280334X 1947-09-11

Publications (1)

Publication Number Publication Date
CH280334A true CH280334A (en) 1952-01-15

Family

ID=19782277

Family Applications (1)

Application Number Title Priority Date Filing Date
CH280334D CH280334A (en) 1947-09-11 1948-09-10 Detection circuit arrangement in an at least semi-automatic telecommunications system.

Country Status (3)

Country Link
BE (1) BE484734A (en)
CH (1) CH280334A (en)
FR (1) FR971795A (en)

Also Published As

Publication number Publication date
BE484734A (en)
FR971795A (en) 1951-01-22

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