DE69904026T2 - Verbesserungen an oder für telekommunikationssysteme - Google Patents

Verbesserungen an oder für telekommunikationssysteme

Info

Publication number
DE69904026T2
DE69904026T2 DE69904026T DE69904026T DE69904026T2 DE 69904026 T2 DE69904026 T2 DE 69904026T2 DE 69904026 T DE69904026 T DE 69904026T DE 69904026 T DE69904026 T DE 69904026T DE 69904026 T2 DE69904026 T2 DE 69904026T2
Authority
DE
Germany
Prior art keywords
telecommunication systems
telecommunication
systems
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69904026T
Other languages
English (en)
Other versions
DE69904026D1 (de
Inventor
Sven-Rune Olofsson
Lennart Olsson
Joachim Johansson
Hans Oehman
Mikael Isaksson
Magnus Johansson
Tomas Stefansson
Gunnar Bahlenberg
Anders Isaksson
Goeran Oekvist
Lis-Marie Ljunggren
Daniel Bengtsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics NV
Original Assignee
STMicroelectronics NV
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 STMicroelectronics NV filed Critical STMicroelectronics NV
Publication of DE69904026D1 publication Critical patent/DE69904026D1/de
Application granted granted Critical
Publication of DE69904026T2 publication Critical patent/DE69904026T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69904026T 1998-01-29 1999-01-28 Verbesserungen an oder für telekommunikationssysteme Expired - Lifetime DE69904026T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9800249A SE9800249L (sv) 1998-01-29 1998-01-29 Förbättringar av, eller med avseende på, telekommunikationer
PCT/SE1999/000121 WO1999039498A1 (en) 1998-01-29 1999-01-28 Improvements in or relating to telecommunications

Publications (2)

Publication Number Publication Date
DE69904026D1 DE69904026D1 (de) 2003-01-02
DE69904026T2 true DE69904026T2 (de) 2003-07-17

Family

ID=20410018

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69904026T Expired - Lifetime DE69904026T2 (de) 1998-01-29 1999-01-28 Verbesserungen an oder für telekommunikationssysteme

Country Status (5)

Country Link
US (1) US7239687B1 (de)
EP (1) EP1060612B1 (de)
DE (1) DE69904026T2 (de)
SE (1) SE9800249L (de)
WO (1) WO1999039498A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001050716A1 (en) * 2000-01-03 2001-07-12 Rit Technologies Ltd. Apparatus and method for shared line testing
DE10107438A1 (de) * 2001-02-16 2002-09-05 Siemens Ag Vorrichtung und Verfahren zum Charakterisieren der Übertragungsparameter einer Übertragungsstrecke zur hochbitratigen Datenübertragung
US7529347B2 (en) * 2004-10-01 2009-05-05 Tollgrade Communications, Inc. Test system for assessing DSL capability of telephone lines
GB2452506B (en) * 2007-09-05 2009-12-23 Tyco Electronics Xdsl bypass test facility
FR2943137B1 (fr) * 2009-03-13 2011-09-30 Commissariat Energie Atomique Procede et dispositif de mesure de la permittivite et/ou permeabilite

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176970B (en) 1985-06-20 1989-07-19 Stc Plc Testing telephone lines
US4862491A (en) * 1987-04-14 1989-08-29 Teletech Pty. Ltd. Remote disconnection and short-circuiting apparatus and method
US4958371A (en) * 1988-04-19 1990-09-18 Control Data Corporation Method and apparatus for determining when a telephone handset is off-hook
US5003586A (en) * 1989-11-02 1991-03-26 Siecor Corporation Dial tone interrupt device
US5073919A (en) * 1990-10-10 1991-12-17 Teradyne, Inc. Automatically testing telephone lines
JPH04162863A (ja) * 1990-10-26 1992-06-08 Fujitsu Ltd 加人者系伝送装置の試験方式
DE69330712T2 (de) * 1992-01-28 2002-02-07 Alan Ross Anlage zur Prüfung der Charakteristik einer Nachrichtenleitung von einer Messstelle
US5224149A (en) * 1992-02-26 1993-06-29 Teltrend, Inc. Testing system for digital transmission lines
US5353327A (en) * 1992-05-04 1994-10-04 At&T Bell Laboratories Maintenance termination unit
US5357556A (en) * 1992-08-10 1994-10-18 Pacific Bell System and method for telephone network testing
EP0677938A1 (de) * 1994-04-14 1995-10-18 ALCATEL BELL Naamloze Vennootschap Signalkoppler
US5699402A (en) * 1994-09-26 1997-12-16 Teradyne, Inc. Method and apparatus for fault segmentation in a telephone network
US5757803A (en) * 1995-11-27 1998-05-26 Analog Devices, Inc. Pots splitter assembly with improved transhybrid loss for digital subscriber loop transmission
US5781728A (en) * 1996-03-15 1998-07-14 Motorola Inc. Flexible asymmetrical digital subscriber line ADSL transmitter, remote terminal using same, and method therefor
US5668857A (en) 1996-03-29 1997-09-16 Netspeed, Inc. Communication server apparatus and method
US5799060A (en) * 1996-05-16 1998-08-25 Harris Corporation Multi-port caller ID-based telephone ringback test device
US5974115A (en) * 1996-11-15 1999-10-26 Bellsouth Intellectual Property Managment Corporation System and method for testing subscriber lines and terminating equipment from a service platform
US6005921A (en) * 1996-12-19 1999-12-21 Harris Corporation Telephone ringback test device and method
US6014425A (en) * 1997-02-26 2000-01-11 Paradyne Corporation Apparatus and method for qualifying telephones and other attached equipment for optimum DSL operation
US5946372A (en) * 1997-04-30 1999-08-31 Southwestern Bell Telephone Company Apparatus and method for testing digital communications circuits
US6442195B1 (en) * 1997-06-30 2002-08-27 Integrated Telecom Express, Inc. Multiple low speed sigma-delta analog front ends for full implementation of high-speed data link protocol
US7006445B1 (en) * 1997-07-07 2006-02-28 Legerity, Inc. Device and method for determining characteristics of a digital subscriber line
US6002671A (en) * 1997-09-03 1999-12-14 Fluke Corporation Test instrument for testing asymmetric digital subscriber lines
US6301337B1 (en) * 1997-09-18 2001-10-09 Globespan, Inc. Combined handset and POTS filter
TW407415B (en) * 1997-12-24 2000-10-01 Globespan Semiconductor Inc Apparatus and method for improved dsl communication cross-reference to related applicattons
US6111936A (en) * 1998-01-28 2000-08-29 Paradyne Corporation Method and apparatus for automatically detecting and measuring distortion in a DSL system
US6154524A (en) * 1998-01-28 2000-11-28 Paradyne Corporation Method and apparatus for automatically and adaptively adjusting telephone audio quality and DSL data rate in a DSL system
JP3510473B2 (ja) * 1998-03-23 2004-03-29 横河電機株式会社 伝送特性測定装置
US6091713A (en) * 1998-04-13 2000-07-18 Telcordia Technologies, Inc. Method and system for estimating the ability of a subscriber loop to support broadband services
US6259676B1 (en) * 1998-06-17 2001-07-10 Nokia Telecommunications Oy Upgrading of subscriber connection
US6278769B1 (en) * 1998-11-25 2001-08-21 Westell Technologies, Inc. Signaling method for invoking a test mode in a network interface unit
US6212258B1 (en) * 1998-11-25 2001-04-03 Westell Technologies, Inc. Device for remotely testing a twisted pair transmission line
US6181775B1 (en) * 1998-11-25 2001-01-30 Westell Technologies, Inc. Dual test mode network interface unit for remote testing of transmission line and customer equipment
US6215855B1 (en) * 1999-01-21 2001-04-10 Bell Atlantic Network Services, Inc. Loop certification and measurement for ADSL
US6177801B1 (en) * 1999-04-21 2001-01-23 Sunrise Telecom, Inc. Detection of bridge tap using frequency domain analysis

Also Published As

Publication number Publication date
US7239687B1 (en) 2007-07-03
EP1060612B1 (de) 2002-11-20
SE9800249D0 (sv) 1998-01-29
EP1060612A1 (de) 2000-12-20
DE69904026D1 (de) 2003-01-02
WO1999039498A1 (en) 1999-08-05
SE9800249L (sv) 1999-07-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition