FR2156830A1 - - Google Patents

Info

Publication number
FR2156830A1
FR2156830A1 FR7237077A FR7237077A FR2156830A1 FR 2156830 A1 FR2156830 A1 FR 2156830A1 FR 7237077 A FR7237077 A FR 7237077A FR 7237077 A FR7237077 A FR 7237077A FR 2156830 A1 FR2156830 A1 FR 2156830A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7237077A
Other languages
French (fr)
Other versions
FR2156830B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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 FR2156830A1 publication Critical patent/FR2156830A1/fr
Application granted granted Critical
Publication of FR2156830B1 publication Critical patent/FR2156830B1/fr
Expired legal-status Critical Current

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)
FR7237077A 1971-10-22 1972-10-19 Expired FR2156830B1 (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
FR2156830A1 true FR2156830A1 (en) 1973-06-01
FR2156830B1 FR2156830B1 (en) 1977-04-01

Family

ID=5823130

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237077A Expired FR2156830B1 (en) 1971-10-22 1972-10-19

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
DE3232668A1 (en) * 1982-09-02 1984-03-08 Siemens AG, 1000 Berlin und 8000 München SYSTEM FOR TRANSMITTING INFORMATION
DE3232691A1 (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 reserve 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FI58415C (en) 1981-01-12
IL40552A0 (en) 1972-12-29
IT969653B (en) 1974-04-10
AU4764672A (en) 1974-04-26
CH545042A (en) 1973-11-30
FR2156830B1 (en) 1977-04-01
YU35201B (en) 1980-09-25
CA996192A (en) 1976-08-31
NL7214293A (en) 1973-04-25
JPS4851521A (en) 1973-07-19
DE2152721C2 (en) 1973-10-31
AR201272A1 (en) 1975-02-28
AU451259B2 (en) 1974-08-01
JPS5434485B2 (en) 1979-10-27
YU254872A (en) 1980-03-15
BE790393A (en) 1973-02-15
AT318013B (en) 1974-09-25
GB1407088A (en) 1975-09-24
DE2152721A1 (en) 1973-04-12
SE388329B (en) 1976-09-27
IL40552A (en) 1975-12-31
NL163397B (en) 1980-03-17
DE2152721B1 (en) 1973-04-12
FI58415B (en) 1980-09-30

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Legal Events

Date Code Title Description
ST Notification of lapse