CH244473A - Telecommunications exchange facility. - Google Patents

Telecommunications exchange facility.

Info

Publication number
CH244473A
CH244473A CH244473DA CH244473A CH 244473 A CH244473 A CH 244473A CH 244473D A CH244473D A CH 244473DA CH 244473 A CH244473 A CH 244473A
Authority
CH
Switzerland
Prior art keywords
exchange facility
telecommunications exchange
telecommunications
facility
exchange
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 CH244473A publication Critical patent/CH244473A/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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • 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)
  • Relay Circuits (AREA)
CH244473D 1939-06-30 1940-06-29 Telecommunications exchange facility. CH244473A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB244473X 1939-06-30

Publications (1)

Publication Number Publication Date
CH244473A true CH244473A (en) 1946-09-15

Family

ID=10211845

Family Applications (1)

Application Number Title Priority Date Filing Date
CH244473D CH244473A (en) 1939-06-30 1940-06-29 Telecommunications exchange facility.

Country Status (4)

Country Link
BE (1) BE440021A (en)
CH (1) CH244473A (en)
FR (1) FR867232A (en)
GB (1) GB531205A (en)

Also Published As

Publication number Publication date
GB531205A (en) 1940-12-31
BE440021A (en)
FR867232A (en) 1941-10-07

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