EP1051633A4 - Verification de systemes catv - Google Patents

Verification de systemes catv

Info

Publication number
EP1051633A4
EP1051633A4 EP99903329A EP99903329A EP1051633A4 EP 1051633 A4 EP1051633 A4 EP 1051633A4 EP 99903329 A EP99903329 A EP 99903329A EP 99903329 A EP99903329 A EP 99903329A EP 1051633 A4 EP1051633 A4 EP 1051633A4
Authority
EP
European Patent Office
Prior art keywords
testing
catv systems
catv
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.)
Withdrawn
Application number
EP99903329A
Other languages
German (de)
English (en)
Other versions
EP1051633A1 (fr
Inventor
Daniel E Rittman
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.)
Trilithic Inc
Original Assignee
Trilithic Inc
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 Trilithic Inc filed Critical Trilithic Inc
Publication of EP1051633A1 publication Critical patent/EP1051633A1/fr
Publication of EP1051633A4 publication Critical patent/EP1051633A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2801—Broadband local area networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
EP99903329A 1998-01-23 1999-01-22 Verification de systemes catv Withdrawn EP1051633A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7240998P 1998-01-23 1998-01-23
US72409P 1998-01-23
PCT/US1999/001432 WO1999038023A1 (fr) 1998-01-23 1999-01-22 Verification de systemes catv

Publications (2)

Publication Number Publication Date
EP1051633A1 EP1051633A1 (fr) 2000-11-15
EP1051633A4 true EP1051633A4 (fr) 2001-08-22

Family

ID=22107366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99903329A Withdrawn EP1051633A4 (fr) 1998-01-23 1999-01-22 Verification de systemes catv

Country Status (4)

Country Link
EP (1) EP1051633A4 (fr)
AU (1) AU2338099A (fr)
CA (1) CA2315759A1 (fr)
WO (1) WO1999038023A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6867600B1 (en) 2000-09-23 2005-03-15 Nokia Corporation Electronic circuit and method for testing a line
US7298396B2 (en) 2003-08-25 2007-11-20 Spx Corporation Apparatus and method for monitoring transmission systems using embedded test signals
US7034545B2 (en) 2003-12-30 2006-04-25 Spx Corporation Apparatus and method for monitoring transmission systems using off-frequency signals

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041381A (en) * 1974-10-09 1977-08-09 Lim Ching Hwa Methods and equipment for testing reflection points of transmission lines
WO1992011710A1 (fr) * 1990-12-20 1992-07-09 British Telecommunications Public Limited Company Systeme de telecommunication optique
JPH04225130A (ja) * 1990-12-27 1992-08-14 Anritsu Corp 光伝送装置
WO1993007687A1 (fr) * 1991-10-04 1993-04-15 British Telecommunications Public Limited Company Reseau avec systeme de surveillance de lignes
WO1996005665A1 (fr) * 1994-08-17 1996-02-22 Northern Telecom Limited Localisation d'erreurs dans des systemes de communication optiques

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4220410C1 (de) * 1992-06-19 1993-11-25 Siemens Ag Verfahren zum Bestimmen eines Fehlers auf einer elektrischen Übertragungsleitung
US5369366A (en) * 1993-02-12 1994-11-29 Cable Repair Systems Corporation Method of finding faults in a branched electrical distribution circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041381A (en) * 1974-10-09 1977-08-09 Lim Ching Hwa Methods and equipment for testing reflection points of transmission lines
WO1992011710A1 (fr) * 1990-12-20 1992-07-09 British Telecommunications Public Limited Company Systeme de telecommunication optique
JPH04225130A (ja) * 1990-12-27 1992-08-14 Anritsu Corp 光伝送装置
WO1993007687A1 (fr) * 1991-10-04 1993-04-15 British Telecommunications Public Limited Company Reseau avec systeme de surveillance de lignes
WO1996005665A1 (fr) * 1994-08-17 1996-02-22 Northern Telecom Limited Localisation d'erreurs dans des systemes de communication optiques

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 577 (P - 1460) 16 December 1992 (1992-12-16) *
See also references of WO9938023A1 *

Also Published As

Publication number Publication date
EP1051633A1 (fr) 2000-11-15
CA2315759A1 (fr) 1999-07-29
AU2338099A (en) 1999-08-09
WO1999038023A1 (fr) 1999-07-29

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Legal Events

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