IT969653B - Sistema specialmente a fasci hertziani per trasmettere informa zioni - Google Patents

Sistema specialmente a fasci hertziani per trasmettere informa zioni

Info

Publication number
IT969653B
IT969653B IT30612/72A IT3061272A IT969653B IT 969653 B IT969653 B IT 969653B IT 30612/72 A IT30612/72 A IT 30612/72A IT 3061272 A IT3061272 A IT 3061272A IT 969653 B IT969653 B IT 969653B
Authority
IT
Italy
Prior art keywords
hertzian
transmit information
bands system
bands
transmit
Prior art date
Application number
IT30612/72A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT969653B publication Critical patent/IT969653B/it

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)
IT30612/72A 1971-10-22 1972-10-18 Sistema specialmente a fasci hertziani per trasmettere informa zioni IT969653B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2152721A DE2152721C2 (de) 1971-10-22 1971-10-22 System zur Übertragung von In formationen

Publications (1)

Publication Number Publication Date
IT969653B true IT969653B (it) 1974-04-10

Family

ID=5823130

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30612/72A IT969653B (it) 1971-10-22 1972-10-18 Sistema specialmente a fasci hertziani per trasmettere informa zioni

Country Status (16)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232668A1 (de) * 1982-09-02 1984-03-08 Siemens AG, 1000 Berlin und 8000 München System zur uebertragung von informationen
DE3232691A1 (de) * 1982-09-02 1984-03-08 Siemens AG, 1000 Berlin und 8000 München System zur uebertragung von informationen
DE3642378A1 (de) * 1986-12-11 1988-06-30 Siemens Ag System zur uebertragung von informationen mit ersatzschalteinrichtungen
GB2260881B (en) * 1991-10-26 1995-08-23 Motorola Ltd Trunked system fallback operation
WO1997015987A1 (de) * 1995-10-25 1997-05-01 Siemens Aktiengesellschaft System zur übertragung von informationen durch einen gemischtbetrieb einer pdh und einer sdh mit einem ersatzübertragungskanal

Also Published As

Publication number Publication date
DE2152721C2 (de) 1973-10-31
NL7214293A (ja) 1973-04-25
IL40552A0 (en) 1972-12-29
YU254872A (en) 1980-03-15
FI58415C (fi) 1981-01-12
JPS5434485B2 (ja) 1979-10-27
SE388329B (sv) 1976-09-27
BE790393A (fr) 1973-02-15
NL163397B (nl) 1980-03-17
JPS4851521A (ja) 1973-07-19
DE2152721A1 (ja) 1973-04-12
AR201272A1 (es) 1975-02-28
YU35201B (en) 1980-09-25
IL40552A (en) 1975-12-31
FR2156830A1 (ja) 1973-06-01
FR2156830B1 (ja) 1977-04-01
GB1407088A (en) 1975-09-24
CH545042A (de) 1973-11-30
DE2152721B1 (de) 1973-04-12
AU451259B2 (en) 1974-08-01
CA996192A (en) 1976-08-31
AU4764672A (en) 1974-04-26
FI58415B (fi) 1980-09-30
AT318013B (de) 1974-09-25

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