NL161322C - Laagfrequent telecommunicatiestelsel. - Google Patents

Laagfrequent telecommunicatiestelsel.

Info

Publication number
NL161322C
NL161322C NL7111780A NL7111780A NL161322C NL 161322 C NL161322 C NL 161322C NL 7111780 A NL7111780 A NL 7111780A NL 7111780 A NL7111780 A NL 7111780A NL 161322 C NL161322 C NL 161322C
Authority
NL
Netherlands
Prior art keywords
frequent
low
telecommunications system
telecommunications
frequent telecommunications
Prior art date
Application number
NL7111780A
Other languages
English (en)
Other versions
NL7111780A (nl
NL161322B (nl
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
Priority claimed from DE19702044001 external-priority patent/DE2044001C/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NL7111780A publication Critical patent/NL7111780A/xx
Publication of NL161322B publication Critical patent/NL161322B/nl
Application granted granted Critical
Publication of NL161322C publication Critical patent/NL161322C/nl

Links

Classifications

    • 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)
  • Monitoring And Testing Of Transmission In General (AREA)
NL7111780A 1970-09-04 1971-08-26 Laagfrequent telecommunicatiestelsel. NL161322C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702044001 DE2044001C (de) 1970-09-04 Einrichtung zur Fernüberwachung des Betnebszustandes von Nachrichten Ubertragungseinnchtungen

Publications (3)

Publication Number Publication Date
NL7111780A NL7111780A (nl) 1972-03-07
NL161322B NL161322B (nl) 1979-08-15
NL161322C true NL161322C (nl) 1980-01-15

Family

ID=5781630

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7111780A NL161322C (nl) 1970-09-04 1971-08-26 Laagfrequent telecommunicatiestelsel.

Country Status (4)

Country Link
JP (1) JPS5410809B1 (nl)
GB (1) GB1346257A (nl)
NL (1) NL161322C (nl)
SE (1) SE368129B (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001043321A2 (en) * 1999-12-13 2001-06-14 Adc Telecommunications, Inc. Monitored switch apparatus for signal recovery in catv networks using a redundant link___________________________________________

Also Published As

Publication number Publication date
DE2044001B2 (de) 1972-10-12
NL7111780A (nl) 1972-03-07
DE2044001A1 (de) 1972-03-09
NL161322B (nl) 1979-08-15
SE368129B (nl) 1974-06-17
JPS5410809B1 (nl) 1979-05-10
GB1346257A (en) 1974-02-06

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SIEMENS