NL7905025A - Inrichting voor het beproeven van datatransmissie- trajecten. - Google Patents
Inrichting voor het beproeven van datatransmissie- trajecten. Download PDFInfo
- Publication number
- NL7905025A NL7905025A NL7905025A NL7905025A NL7905025A NL 7905025 A NL7905025 A NL 7905025A NL 7905025 A NL7905025 A NL 7905025A NL 7905025 A NL7905025 A NL 7905025A NL 7905025 A NL7905025 A NL 7905025A
- Authority
- NL
- Netherlands
- Prior art keywords
- station
- signal
- output
- circuit
- channel
- Prior art date
Links
Classifications
-
- 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
- H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
- H04L1/243—Testing correct operation by comparing a transmitted test signal with a locally generated replica at the transmitter, using a loop-back
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2829076 | 1978-07-01 | ||
DE19782829076 DE2829076A1 (de) | 1978-07-01 | 1978-07-01 | Testanordnung fuer datenuebertragungsstrecken |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7905025A true NL7905025A (nl) | 1980-01-03 |
Family
ID=6043365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7905025A NL7905025A (nl) | 1978-07-01 | 1979-06-28 | Inrichting voor het beproeven van datatransmissie- trajecten. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4247934A (fr) |
JP (1) | JPS5510296A (fr) |
AT (1) | AT369600B (fr) |
BE (1) | BE877177A (fr) |
CA (1) | CA1136726A (fr) |
CH (1) | CH645224A5 (fr) |
DE (1) | DE2829076A1 (fr) |
FR (1) | FR2430144A1 (fr) |
GB (1) | GB2025189B (fr) |
NL (1) | NL7905025A (fr) |
SE (1) | SE437451B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3335674A1 (de) * | 1982-11-13 | 1984-05-24 | Krone Gmbh, 1000 Berlin | Einrichtung zur manuellen streckenpruefung einer optischen teilnehmeranschlussleitung aus glasfaser mit bidirektionalem wellenlaengenmultiplex |
HU187428B (en) * | 1982-11-15 | 1986-01-28 | Vilati Villamos Automatika Foevallalkozo Es Gyarto Vallalat,Hu | Method for testing inner system of connection amongst n number of output of an electric network and device for implementing this method, as well as circuit arrangement for testing inner structure of connection of the networks containing several nodal points |
DE3335606C2 (de) * | 1982-11-25 | 1986-05-15 | Krone Gmbh, 1000 Berlin | Einrichtung zur manuellen Streckenprüfung einer optischen Teilnehmeranschlußleitung aus Glasfaser mit bidirektionalem Wellenlängenmultiplex |
JPS60114359A (ja) * | 1983-11-28 | 1985-06-20 | 株式会社日立製作所 | 石炭ミル温度監視方式 |
US4601028A (en) * | 1984-06-18 | 1986-07-15 | Rockwell International Corporation | Method of and apparatus for checking datapath failure in a communication muldem |
JPS61169047A (ja) * | 1985-01-22 | 1986-07-30 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光フアイバ伝送路の伝搬遅延時間変動量検出方式 |
US4686641A (en) * | 1985-03-18 | 1987-08-11 | Detroit Edison Company | Static programmable powerline carrier channel test structure and method |
US5553056A (en) * | 1992-04-02 | 1996-09-03 | Applied Digital Access, Inc. | Packetized remote test system for a telephone network |
US5502653A (en) * | 1993-09-15 | 1996-03-26 | Intel Corporation | Testing data transmissions between fax modems through real time synchronization and resynchronization of asynchronous data |
DE4437417A1 (de) * | 1993-10-19 | 1995-04-20 | Deutsche Bundespost Telekom | Verfahren zur Überwachung von Digitalsignalverbindungen |
US5748876A (en) * | 1995-12-29 | 1998-05-05 | Mci Communications Corporation | System and method for testing acoustic modems with semantically encoded waveforms |
US6222825B1 (en) * | 1997-01-23 | 2001-04-24 | Advanced Micro Devices, Inc. | Arrangement for determining link latency for maintaining flow control in full-duplex networks |
FI107862B (fi) * | 1999-02-23 | 2001-10-15 | Nokia Mobile Phones Ltd | Menetelmä radiolaitteen toimivuuden testaamiseksi ja matkaviestin |
DE19934622A1 (de) * | 1999-07-23 | 2001-01-25 | Deutsche Telekom Ag | Verfahren zur Prüfung und Fehlerdiagnose einer Standardfestverbindung in einem Telekommunikationsnetz sowie hierfür einsetzbare Vorrichtung |
JP4310878B2 (ja) * | 2000-02-10 | 2009-08-12 | ソニー株式会社 | バスエミュレーション装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1166249B (de) * | 1960-06-24 | 1964-03-26 | Int Standard Electric Corp | Duplex-Daten-UEbertragungsanordnung |
US3655915A (en) * | 1970-05-07 | 1972-04-11 | Gen Datacomm Ind Inc | Closed loop test method and apparatus for duplex data transmission modem |
US3920935A (en) * | 1970-12-21 | 1975-11-18 | Oskar Vierling | Method for measuring the frequency-dependent attenuation of a telecommunications line, especially a two-wire line |
US3743938A (en) * | 1971-08-10 | 1973-07-03 | Gen Datacomm Ind Inc | Closed data loop test apparatus for data transmission modem |
US4039751A (en) * | 1972-04-24 | 1977-08-02 | General Datacomm Industries, Inc. | Method and apparatus for closed loop testing of first and second modulators and demodulators |
US3937882A (en) * | 1974-04-11 | 1976-02-10 | Vadic Corporation | Full-duplex communication system on a two wire line |
FR2459588A1 (fr) * | 1979-06-20 | 1981-01-09 | Trt Telecom Radio Electr | Systeme de test d'un modem |
-
1978
- 1978-07-01 DE DE19782829076 patent/DE2829076A1/de not_active Withdrawn
-
1979
- 1979-06-18 CH CH568279A patent/CH645224A5/de not_active IP Right Cessation
- 1979-06-21 BE BE6/46870A patent/BE877177A/fr not_active IP Right Cessation
- 1979-06-26 FR FR7917273A patent/FR2430144A1/fr active Granted
- 1979-06-27 AT AT0449779A patent/AT369600B/de not_active IP Right Cessation
- 1979-06-27 SE SE7905632A patent/SE437451B/sv not_active IP Right Cessation
- 1979-06-28 NL NL7905025A patent/NL7905025A/nl not_active Application Discontinuation
- 1979-06-28 JP JP8084479A patent/JPS5510296A/ja active Granted
- 1979-06-28 CA CA000330760A patent/CA1136726A/fr not_active Expired
- 1979-06-28 US US06/052,979 patent/US4247934A/en not_active Expired - Lifetime
- 1979-07-02 GB GB7922861A patent/GB2025189B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4247934A (en) | 1981-01-27 |
ATA449779A (de) | 1982-05-15 |
SE437451B (sv) | 1985-02-25 |
FR2430144A1 (fr) | 1980-01-25 |
DE2829076A1 (de) | 1980-01-10 |
GB2025189B (en) | 1982-09-08 |
BE877177A (fr) | 1979-10-15 |
JPS5510296A (en) | 1980-01-24 |
CH645224A5 (de) | 1984-09-14 |
AT369600B (de) | 1983-01-10 |
FR2430144B1 (fr) | 1984-04-20 |
GB2025189A (en) | 1980-01-16 |
SE7905632L (sv) | 1980-01-02 |
JPS6336589B2 (fr) | 1988-07-20 |
CA1136726A (fr) | 1982-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |