DK380979A - Fremgangsmaade til kontrol af en informationsstation - Google Patents

Fremgangsmaade til kontrol af en informationsstation

Info

Publication number
DK380979A
DK380979A DK380979A DK380979A DK380979A DK 380979 A DK380979 A DK 380979A DK 380979 A DK380979 A DK 380979A DK 380979 A DK380979 A DK 380979A DK 380979 A DK380979 A DK 380979A
Authority
DK
Denmark
Prior art keywords
signal
way
communication
item
station
Prior art date
Application number
DK380979A
Other languages
English (en)
Other versions
DK151998C (da
DK151998B (da
Inventor
Adolf Haass
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 DK380979A publication Critical patent/DK380979A/da
Publication of DK151998B publication Critical patent/DK151998B/da
Application granted granted Critical
Publication of DK151998C publication Critical patent/DK151998C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • 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
    • H04L1/24—Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Circuits Of Receivers In General (AREA)
  • Dc Digital Transmission (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
DK380979A 1978-09-13 1979-09-12 Fremgangsmaade til kontrol af en informationsstation, samt kobling til udfoerelse af fremgangsmaaden DK151998C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2839875 1978-09-13
DE2839875A DE2839875C2 (de) 1978-09-13 1978-09-13 Verfahren zur Prüfung einer Nachrichtenstation

Publications (3)

Publication Number Publication Date
DK380979A true DK380979A (da) 1980-03-14
DK151998B DK151998B (da) 1988-01-18
DK151998C DK151998C (da) 1988-06-20

Family

ID=6049363

Family Applications (1)

Application Number Title Priority Date Filing Date
DK380979A DK151998C (da) 1978-09-13 1979-09-12 Fremgangsmaade til kontrol af en informationsstation, samt kobling til udfoerelse af fremgangsmaaden

Country Status (6)

Country Link
EP (1) EP0009592B1 (da)
AT (1) ATE119T1 (da)
BR (1) BR7905845A (da)
DE (1) DE2839875C2 (da)
DK (1) DK151998C (da)
NO (1) NO148014C (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520476A (en) * 1982-12-13 1985-05-28 Rockwell International Corporation Apparatus for enabling the duplex operation of a transmitter and receiver
SE434789B (sv) * 1982-12-21 1984-08-13 Ellemtel Utvecklings Ab Forfarande for detektering av farliga linjespenningar over en tvatradig linje
FR2674082B1 (fr) * 1991-03-14 1994-11-25 Bull Sa Procedes de test pour transmissions serie bidirectionnelles et circuits pour leur mise en óoeuvre.
FR2674083B1 (fr) * 1991-03-14 1994-01-07 Bull Sa Emetteur-recepteur pour liaison bidirectionnelle, circuit integre l'incorporant et application a la communication entre unites d'un systeme informatique.
DE4423333C1 (de) * 1994-06-21 1995-08-31 Siemens Ag Meßeinrichtung für die U-Schnittstelle einer ISDN(Integrated Services Digital Network)-Übertragungsstrecke

Also Published As

Publication number Publication date
EP0009592A1 (de) 1980-04-16
DK151998C (da) 1988-06-20
NO148014C (no) 1983-07-20
DE2839875A1 (de) 1980-03-20
DK151998B (da) 1988-01-18
NO792909L (no) 1980-03-14
DE2839875C2 (de) 1984-03-29
NO148014B (no) 1983-04-11
BR7905845A (pt) 1980-05-27
EP0009592B1 (de) 1981-07-22
ATE119T1 (de) 1981-08-15

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Legal Events

Date Code Title Description
PBP Patent lapsed