IT978558B - Dispositivo per l individuazione di guasti particolarmente utile in un impianto ripetitore a cana li multiplici - Google Patents

Dispositivo per l individuazione di guasti particolarmente utile in un impianto ripetitore a cana li multiplici

Info

Publication number
IT978558B
IT978558B IT1971273A IT1971273A IT978558B IT 978558 B IT978558 B IT 978558B IT 1971273 A IT1971273 A IT 1971273A IT 1971273 A IT1971273 A IT 1971273A IT 978558 B IT978558 B IT 978558B
Authority
IT
Italy
Prior art keywords
troubleshooting
particularly useful
repeater system
channel repeater
channel
Prior art date
Application number
IT1971273A
Other languages
English (en)
Italian (it)
Inventor
Masami Takada
Original Assignee
Nippon 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 Nippon Electric Co filed Critical Nippon Electric Co
Application granted granted Critical
Publication of IT978558B publication Critical patent/IT978558B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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)
  • Quality & Reliability (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radio Relay Systems (AREA)
IT1971273A 1972-01-26 1973-01-26 Dispositivo per l individuazione di guasti particolarmente utile in un impianto ripetitore a cana li multiplici IT978558B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1002772A JPS56986B2 (en:Method) 1972-01-26 1972-01-26

Publications (1)

Publication Number Publication Date
IT978558B true IT978558B (it) 1974-09-20

Family

ID=11738901

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1971273A IT978558B (it) 1972-01-26 1973-01-26 Dispositivo per l individuazione di guasti particolarmente utile in un impianto ripetitore a cana li multiplici

Country Status (3)

Country Link
JP (1) JPS56986B2 (en:Method)
DE (1) DE2303820C2 (en:Method)
IT (1) IT978558B (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52109303A (en) * 1976-03-10 1977-09-13 Hitachi Ltd By-pass change-over system
JPH0810850B2 (ja) * 1987-03-20 1996-01-31 日本電信電話株式会社 移動通信における干渉量測定方法
DE19649305A1 (de) * 1996-11-28 1998-06-04 Alsthom Cge Alcatel Hybrides Übertragungssystem mit einer Rückfallösung für Verbindungen mit hohen Anforderungen an die Verfügbarkeit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH443421A (it) * 1965-05-06 1967-09-15 Sits Soc It Telecom Siemens Disposizione di circuiti atta a comandare la commutazione esercizio-riserva in una pluralità di canali hertziani, costituita da più canali di esercizio e da un unico canale di riserva

Also Published As

Publication number Publication date
JPS4879914A (en:Method) 1973-10-26
DE2303820A1 (de) 1973-08-02
JPS56986B2 (en:Method) 1981-01-10
DE2303820C2 (de) 1983-01-05

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