CH549924A - CIRCUIT ARRANGEMENT FOR REMOTE INDICATION, IN PARTICULAR TELEPHONE SYSTEMS WITH SEVERAL DIGITAL RING LINES. - Google Patents

CIRCUIT ARRANGEMENT FOR REMOTE INDICATION, IN PARTICULAR TELEPHONE SYSTEMS WITH SEVERAL DIGITAL RING LINES.

Info

Publication number
CH549924A
CH549924A CH297273A CH297273A CH549924A CH 549924 A CH549924 A CH 549924A CH 297273 A CH297273 A CH 297273A CH 297273 A CH297273 A CH 297273A CH 549924 A CH549924 A CH 549924A
Authority
CH
Switzerland
Prior art keywords
circuit arrangement
telephone systems
particular telephone
ring lines
several digital
Prior art date
Application number
CH297273A
Other languages
German (de)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of CH549924A publication Critical patent/CH549924A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Small-Scale Networks (AREA)
CH297273A 1972-03-28 1973-03-01 CIRCUIT ARRANGEMENT FOR REMOTE INDICATION, IN PARTICULAR TELEPHONE SYSTEMS WITH SEVERAL DIGITAL RING LINES. CH549924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722215163 DE2215163A1 (en) 1972-03-28 1972-03-28 CIRCUIT ARRANGEMENT FOR REMOTE INDICATION, IN PARTICULAR TELEPHONE SYSTEMS WITH SEVERAL DIGITAL RING LINES

Publications (1)

Publication Number Publication Date
CH549924A true CH549924A (en) 1974-05-31

Family

ID=5840444

Family Applications (1)

Application Number Title Priority Date Filing Date
CH297273A CH549924A (en) 1972-03-28 1973-03-01 CIRCUIT ARRANGEMENT FOR REMOTE INDICATION, IN PARTICULAR TELEPHONE SYSTEMS WITH SEVERAL DIGITAL RING LINES.

Country Status (7)

Country Link
BE (1) BE797455A (en)
CH (1) CH549924A (en)
DE (1) DE2215163A1 (en)
FR (1) FR2178033A1 (en)
IT (1) IT982641B (en)
LU (1) LU67292A1 (en)
NL (1) NL7304257A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472898B1 (en) * 1979-12-27 1987-01-09 Jeumont Schneider DOUBLE LOOP TRANSMISSION NETWORK

Also Published As

Publication number Publication date
BE797455A (en) 1973-09-28
IT982641B (en) 1974-10-21
NL7304257A (en) 1973-10-02
FR2178033A1 (en) 1973-11-09
DE2215163A1 (en) 1973-10-11
LU67292A1 (en) 1973-06-15

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