BE801039A - Equipement pour la detection et l'extraction de voie telegraphique - Google Patents

Equipement pour la detection et l'extraction de voie telegraphique

Info

Publication number
BE801039A
BE801039A BE1005167A BE1005167A BE801039A BE 801039 A BE801039 A BE 801039A BE 1005167 A BE1005167 A BE 1005167A BE 1005167 A BE1005167 A BE 1005167A BE 801039 A BE801039 A BE 801039A
Authority
BE
Belgium
Prior art keywords
telegraphic
tracks
extraction
detection
equipment
Prior art date
Application number
BE1005167A
Other languages
English (en)
French (fr)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BE801039A publication Critical patent/BE801039A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE1005167A 1972-06-27 1973-06-18 Equipement pour la detection et l'extraction de voie telegraphique BE801039A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7223211A FR2191825A5 (it) 1972-06-27 1972-06-27

Publications (1)

Publication Number Publication Date
BE801039A true BE801039A (fr) 1973-12-18

Family

ID=9100907

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005167A BE801039A (fr) 1972-06-27 1973-06-18 Equipement pour la detection et l'extraction de voie telegraphique

Country Status (7)

Country Link
US (1) US3873774A (it)
BE (1) BE801039A (it)
DE (1) DE2331902A1 (it)
FR (1) FR2191825A5 (it)
GB (1) GB1417258A (it)
IT (1) IT989458B (it)
NL (1) NL7308977A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325147A (en) * 1980-06-16 1982-04-13 Minnesota Mining & Manufacturing Co. Asynchronous multiplex system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479701A (en) * 1944-02-07 1949-08-23 William C De Vry Transmitting system
US3548105A (en) * 1967-11-02 1970-12-15 Bell Telephone Labor Inc Overload monitor for transmission systems
US3691306A (en) * 1970-07-02 1972-09-12 Francesco Molo Apparatus and process for detecting malfunctions in a frequency division multiplex system
GB1366901A (en) * 1970-10-13 1974-09-18 Licentia Gmbh Multiplex terminal equipment with calling and information si gnal presence detection

Also Published As

Publication number Publication date
DE2331902A1 (de) 1974-01-17
US3873774A (en) 1975-03-25
FR2191825A5 (it) 1974-02-01
GB1417258A (en) 1975-12-10
IT989458B (it) 1975-05-20
NL7308977A (it) 1974-01-02

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