DK151998C - Fremgangsmaade til kontrol af en informationsstation, samt kobling til udfoerelse af fremgangsmaaden - Google Patents
Fremgangsmaade til kontrol af en informationsstation, samt kobling til udfoerelse af fremgangsmaadenInfo
- Publication number
- DK151998C DK151998C DK380979A DK380979A DK151998C DK 151998 C DK151998 C DK 151998C DK 380979 A DK380979 A DK 380979A DK 380979 A DK380979 A DK 380979A DK 151998 C DK151998 C DK 151998C
- Authority
- DK
- Denmark
- Prior art keywords
- signal
- way
- procedure
- communication
- item
- Prior art date
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)
- Small-Scale Networks (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Dc Digital Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
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 DK380979A (da) | 1980-03-14 |
DK151998B DK151998B (da) | 1988-01-18 |
DK151998C true 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)
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 |
-
1978
- 1978-09-13 DE DE2839875A patent/DE2839875C2/de not_active Expired
-
1979
- 1979-08-20 EP EP79103055A patent/EP0009592B1/de not_active Expired
- 1979-08-20 AT AT79103055T patent/ATE119T1/de not_active IP Right Cessation
- 1979-09-07 NO NO792909A patent/NO148014C/no unknown
- 1979-09-12 BR BR7905845A patent/BR7905845A/pt unknown
- 1979-09-12 DK DK380979A patent/DK151998C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK151998B (da) | 1988-01-18 |
BR7905845A (pt) | 1980-05-27 |
DE2839875C2 (de) | 1984-03-29 |
DK380979A (da) | 1980-03-14 |
NO148014B (no) | 1983-04-11 |
NO792909L (no) | 1980-03-14 |
EP0009592A1 (de) | 1980-04-16 |
EP0009592B1 (de) | 1981-07-22 |
ATE119T1 (de) | 1981-08-15 |
NO148014C (no) | 1983-07-20 |
DE2839875A1 (de) | 1980-03-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |