NO792909L - Fremgangsmaate til proevning av en informasjonsstasjon - Google Patents

Fremgangsmaate til proevning av en informasjonsstasjon

Info

Publication number
NO792909L
NO792909L NO792909A NO792909A NO792909L NO 792909 L NO792909 L NO 792909L NO 792909 A NO792909 A NO 792909A NO 792909 A NO792909 A NO 792909A NO 792909 L NO792909 L NO 792909L
Authority
NO
Norway
Prior art keywords
signal
way
communication
item
station
Prior art date
Application number
NO792909A
Other languages
English (en)
Other versions
NO148014B (no
NO148014C (no
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 NO792909L publication Critical patent/NO792909L/no
Publication of NO148014B publication Critical patent/NO148014B/no
Publication of NO148014C publication Critical patent/NO148014C/no

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

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Communication Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Small-Scale Networks (AREA)
  • Dc Digital Transmission (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
NO792909A 1978-09-13 1979-09-07 Fremgangsmaate og koblingsanordning til proevning av en informasjonsstasjon. NO148014C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO792909L true NO792909L (no) 1980-03-14
NO148014B NO148014B (no) 1983-04-11
NO148014C NO148014C (no) 1983-07-20

Family

ID=6049363

Family Applications (1)

Application Number Title Priority Date Filing Date
NO792909A NO148014C (no) 1978-09-13 1979-09-07 Fremgangsmaate og koblingsanordning til proevning av en informasjonsstasjon.

Country Status (6)

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

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
ATE119T1 (de) 1981-08-15
DE2839875A1 (de) 1980-03-20
BR7905845A (pt) 1980-05-27
EP0009592B1 (de) 1981-07-22
DK151998C (da) 1988-06-20
DK380979A (da) 1980-03-14
DE2839875C2 (de) 1984-03-29
NO148014B (no) 1983-04-11
NO148014C (no) 1983-07-20
EP0009592A1 (de) 1980-04-16
DK151998B (da) 1988-01-18

Similar Documents

Publication Publication Date Title
DK0550540T3 (da) Variabel højttalerdæmpning baseret på modtagne data
SE7904293L (sv) Forfarande for utforande av signalaterforingstest
SE8003381L (sv) Sett att overfora vederupplysningar fran flygplats
ATE43462T1 (de) Testgeraet zur simulation von mehrweginterferenz.
NO950523L (no) Fremgangsmåte for å teste en sender/mottakerenhet, samt basestasjon for et tidsdelt radiokommunikasjonssystem
DK179680A (da) Fremgangsmaade til dataoverfoering over en totraadsledning
YU45917B (sh) Postopek daljinskega prenosa signalov
GB1369743A (en) Adaptive electronic hybrid transformer
NO792909L (no) Fremgangsmaate til proevning av en informasjonsstasjon
JPS55120244A (en) Phase supervisory system
JPS5219005A (en) Optical fiber communication system
JPS5372412A (en) Signal transmission system
SE7509044L (sv) Datakommunikationssystem
JPS5228210A (en) Loop data transmission system
NL7801649A (en) Data transmission system with measured values modulating IR beam - has receiver with two sensitive elements to distinguish between information and interference signals
JPS57174943A (en) Power line carrier device
JPS52146257A (en) Optical repeater margin measuring method
JPS5452403A (en) Data transmitter
GB1490713A (en) Pulse code modulation data transmission systems
JPS53123163A (en) Local testing system
ES435617A1 (es) Circuito avanzado para aparato telefonico.
JPS5373001A (en) Test system of mobile communication equipment
JPS5287591A (en) Control signal transmitting circuit
JPS51138111A (en) Data error correction system
JPS52104005A (en) Circuit changeover device which possesses roopback function