GB2235110B - Telephone line testing apparatus - Google Patents

Telephone line testing apparatus

Info

Publication number
GB2235110B
GB2235110B GB8917056A GB8917056A GB2235110B GB 2235110 B GB2235110 B GB 2235110B GB 8917056 A GB8917056 A GB 8917056A GB 8917056 A GB8917056 A GB 8917056A GB 2235110 B GB2235110 B GB 2235110B
Authority
GB
United Kingdom
Prior art keywords
telephone line
testing apparatus
line testing
telephone
testing
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 - Fee Related
Application number
GB8917056A
Other versions
GB2235110A (en
GB8917056D0 (en
Inventor
Stefan Borrell
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.)
ASTRALUX DYNAMICS Ltd
Original Assignee
ASTRALUX DYNAMICS Ltd
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 ASTRALUX DYNAMICS Ltd filed Critical ASTRALUX DYNAMICS Ltd
Priority to GB8917056A priority Critical patent/GB2235110B/en
Publication of GB8917056D0 publication Critical patent/GB8917056D0/en
Publication of GB2235110A publication Critical patent/GB2235110A/en
Application granted granted Critical
Publication of GB2235110B publication Critical patent/GB2235110B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/308—Craftsperson test terminals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/38—Displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB8917056A 1989-07-26 1989-07-26 Telephone line testing apparatus Expired - Fee Related GB2235110B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8917056A GB2235110B (en) 1989-07-26 1989-07-26 Telephone line testing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8917056A GB2235110B (en) 1989-07-26 1989-07-26 Telephone line testing apparatus

Publications (3)

Publication Number Publication Date
GB8917056D0 GB8917056D0 (en) 1989-09-13
GB2235110A GB2235110A (en) 1991-02-20
GB2235110B true GB2235110B (en) 1994-03-16

Family

ID=10660635

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8917056A Expired - Fee Related GB2235110B (en) 1989-07-26 1989-07-26 Telephone line testing apparatus

Country Status (1)

Country Link
GB (1) GB2235110B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319432A (en) * 1996-11-15 1998-05-20 Stephen Roberts Analogue telephone socket tester
US7769619B1 (en) * 2000-08-14 2010-08-03 Imaging Portals, Inc. Automated business machine management

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513176A (en) * 1983-02-28 1985-04-23 Fostveit Edgar H Test apparatus for telephone equipment
GB2192998A (en) * 1986-07-21 1988-01-27 Peter Starkie Isherwood Telephone line tester

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513176A (en) * 1983-02-28 1985-04-23 Fostveit Edgar H Test apparatus for telephone equipment
GB2192998A (en) * 1986-07-21 1988-01-27 Peter Starkie Isherwood Telephone line tester

Also Published As

Publication number Publication date
GB2235110A (en) 1991-02-20
GB8917056D0 (en) 1989-09-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970726