CH266247A - Installation de téléphonie automatique. - Google Patents

Installation de téléphonie automatique.

Info

Publication number
CH266247A
CH266247A CH266247DA CH266247A CH 266247 A CH266247 A CH 266247A CH 266247D A CH266247D A CH 266247DA CH 266247 A CH266247 A CH 266247A
Authority
CH
Switzerland
Prior art keywords
automatic telephony
telephony installation
installation
automatic
telephony
Prior art date
Application number
Other languages
English (en)
Inventor
Incorporated Western E Company
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of CH266247A publication Critical patent/CH266247A/fr

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)
  • Monitoring And Testing Of Exchanges (AREA)
CH266247D 1940-05-22 1946-11-22 Installation de téléphonie automatique. CH266247A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US266247XA 1940-05-22 1940-05-22
FR2471415X 1940-05-22

Publications (1)

Publication Number Publication Date
CH266247A true CH266247A (fr) 1950-01-15

Family

ID=32232297

Family Applications (1)

Application Number Title Priority Date Filing Date
CH266247D CH266247A (fr) 1940-05-22 1946-11-22 Installation de téléphonie automatique.

Country Status (2)

Country Link
US (1) US2471415A (fr)
CH (1) CH266247A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576097A (en) * 1945-07-23 1951-11-27 Int Standard Electric Corp Automatic telephone selective switching system
US2604540A (en) * 1949-09-13 1952-07-22 Bell Telephone Labor Inc Calling line identification for automatic ticketing systems
US2697140A (en) * 1949-12-20 1954-12-14 Bell Telephone Labor Inc Electronic testing system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242776A (en) * 1939-04-25 1941-05-20 Bell Telephone Labor Inc Telephone system
NL57724C (fr) * 1939-07-24

Also Published As

Publication number Publication date
US2471415A (en) 1949-05-31

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