IL40552A0 - Improvements in telecommunications systems - Google Patents

Improvements in telecommunications systems

Info

Publication number
IL40552A0
IL40552A0 IL40552A IL4055272A IL40552A0 IL 40552 A0 IL40552 A0 IL 40552A0 IL 40552 A IL40552 A IL 40552A IL 4055272 A IL4055272 A IL 4055272A IL 40552 A0 IL40552 A0 IL 40552A0
Authority
IL
Israel
Prior art keywords
telecommunications systems
telecommunications
systems
Prior art date
Application number
IL40552A
Other versions
IL40552A (en
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 IL40552A0 publication Critical patent/IL40552A0/en
Publication of IL40552A publication Critical patent/IL40552A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
IL40552A 1971-10-22 1972-10-11 Telecommunications systems IL40552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2152721A DE2152721C2 (en) 1971-10-22 1971-10-22 System for the transmission of information

Publications (2)

Publication Number Publication Date
IL40552A0 true IL40552A0 (en) 1972-12-29
IL40552A IL40552A (en) 1975-12-31

Family

ID=5823130

Family Applications (1)

Application Number Title Priority Date Filing Date
IL40552A IL40552A (en) 1971-10-22 1972-10-11 Telecommunications systems

Country Status (16)

Country Link
JP (1) JPS5434485B2 (en)
AR (1) AR201272A1 (en)
AT (1) AT318013B (en)
AU (1) AU451259B2 (en)
BE (1) BE790393A (en)
CA (1) CA996192A (en)
CH (1) CH545042A (en)
DE (1) DE2152721C2 (en)
FI (1) FI58415C (en)
FR (1) FR2156830B1 (en)
GB (1) GB1407088A (en)
IL (1) IL40552A (en)
IT (1) IT969653B (en)
NL (1) NL163397B (en)
SE (1) SE388329B (en)
YU (1) YU35201B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232691A1 (en) * 1982-09-02 1984-03-08 Siemens AG, 1000 Berlin und 8000 München SYSTEM FOR TRANSMITTING INFORMATION
DE3232668A1 (en) * 1982-09-02 1984-03-08 Siemens AG, 1000 Berlin und 8000 München SYSTEM FOR TRANSMITTING INFORMATION
DE3642378A1 (en) * 1986-12-11 1988-06-30 Siemens Ag SYSTEM FOR TRANSMITTING INFORMATION WITH REPLACEMENT SWITCHING DEVICES
GB2260881B (en) * 1991-10-26 1995-08-23 Motorola Ltd Trunked system fallback operation
WO1997015987A1 (en) * 1995-10-25 1997-05-01 Siemens Aktiengesellschaft System for the transmission of data by mixed operation of a pdh and of a sdh with a stand-by transmission channel

Also Published As

Publication number Publication date
BE790393A (en) 1973-02-15
DE2152721A1 (en) 1973-04-12
FR2156830B1 (en) 1977-04-01
IL40552A (en) 1975-12-31
AU451259B2 (en) 1974-08-01
FR2156830A1 (en) 1973-06-01
NL7214293A (en) 1973-04-25
FI58415B (en) 1980-09-30
DE2152721C2 (en) 1973-10-31
AU4764672A (en) 1974-04-26
CH545042A (en) 1973-11-30
JPS4851521A (en) 1973-07-19
IT969653B (en) 1974-04-10
NL163397B (en) 1980-03-17
CA996192A (en) 1976-08-31
AT318013B (en) 1974-09-25
YU254872A (en) 1980-03-15
GB1407088A (en) 1975-09-24
SE388329B (en) 1976-09-27
YU35201B (en) 1980-09-25
FI58415C (en) 1981-01-12
JPS5434485B2 (en) 1979-10-27
AR201272A1 (en) 1975-02-28
DE2152721B1 (en) 1973-04-12

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