CH274092A - Installation téléphonique à lignes partagées. - Google Patents

Installation téléphonique à lignes partagées.

Info

Publication number
CH274092A
CH274092A CH274092DA CH274092A CH 274092 A CH274092 A CH 274092A CH 274092D A CH274092D A CH 274092DA CH 274092 A CH274092 A CH 274092A
Authority
CH
Switzerland
Prior art keywords
telephone system
line telephone
shared line
shared
telephone
Prior art date
Application number
Other languages
English (en)
French (fr)
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 CH274092A publication Critical patent/CH274092A/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
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
    • H04Q5/06—Signalling by amplitude or polarity of DC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Structure Of Telephone Exchanges (AREA)
CH274092D 1940-07-11 1947-08-06 Installation téléphonique à lignes partagées. CH274092A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US274092XA 1940-07-11 1940-07-11

Publications (1)

Publication Number Publication Date
CH274092A true CH274092A (fr) 1951-03-15

Family

ID=21837570

Family Applications (1)

Application Number Title Priority Date Filing Date
CH274092D CH274092A (fr) 1940-07-11 1947-08-06 Installation téléphonique à lignes partagées.

Country Status (3)

Country Link
BE (1) BE476311A (pm)
CH (1) CH274092A (pm)
GB (1) GB628200A (pm)

Also Published As

Publication number Publication date
BE476311A (pm)
GB628200A (en) 1949-08-24

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