IT8541575A0 - Localizzatore automatico di guasti su linee telefoniche. - Google Patents

Localizzatore automatico di guasti su linee telefoniche.

Info

Publication number
IT8541575A0
IT8541575A0 IT8541575A IT4157585A IT8541575A0 IT 8541575 A0 IT8541575 A0 IT 8541575A0 IT 8541575 A IT8541575 A IT 8541575A IT 4157585 A IT4157585 A IT 4157585A IT 8541575 A0 IT8541575 A0 IT 8541575A0
Authority
IT
Italy
Prior art keywords
telephone lines
automatic fault
fault locator
locator
automatic
Prior art date
Application number
IT8541575A
Other languages
English (en)
Other versions
IT1192090B (it
Inventor
Amadio Delano
Alessandro Lazzari
Original Assignee
Flitel Spa
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 Flitel Spa filed Critical Flitel Spa
Priority to IT41575/85A priority Critical patent/IT1192090B/it
Publication of IT8541575A0 publication Critical patent/IT8541575A0/it
Priority to EP86108078A priority patent/EP0206161A3/en
Priority to US06/874,769 priority patent/US4751724A/en
Application granted granted Critical
Publication of IT1192090B publication Critical patent/IT1192090B/it

Links

Classifications

    • 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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Locating Faults (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
IT41575/85A 1985-06-20 1985-06-20 Localizzatore automatico di guasti su linee telefoniche IT1192090B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT41575/85A IT1192090B (it) 1985-06-20 1985-06-20 Localizzatore automatico di guasti su linee telefoniche
EP86108078A EP0206161A3 (en) 1985-06-20 1986-06-13 Automatic telephone line fault locator
US06/874,769 US4751724A (en) 1985-06-20 1986-06-16 Automatic telephone line fault locator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT41575/85A IT1192090B (it) 1985-06-20 1985-06-20 Localizzatore automatico di guasti su linee telefoniche

Publications (2)

Publication Number Publication Date
IT8541575A0 true IT8541575A0 (it) 1985-06-20
IT1192090B IT1192090B (it) 1988-03-31

Family

ID=11251434

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41575/85A IT1192090B (it) 1985-06-20 1985-06-20 Localizzatore automatico di guasti su linee telefoniche

Country Status (3)

Country Link
US (1) US4751724A (it)
EP (1) EP0206161A3 (it)
IT (1) IT1192090B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896315A (en) * 1987-07-23 1990-01-23 Digital Equipment Corporation Apparatus and method for determining network component locations on a local area network system cable segment
US4929900A (en) * 1987-12-29 1990-05-29 Industrial Technology, Inc. Method for locating conductive faults in telephone and similar cables
US4868507A (en) * 1988-11-23 1989-09-19 Minnesota Mining And Manufacturing Company Microcomputer controlled resistance fault locator circuit
US5218616A (en) * 1991-10-02 1993-06-08 Communications Technology Corporation Telephone line tester
SE470439B (sv) * 1992-08-07 1994-03-07 Ericsson Telefon Ab L M Metod att bestämma den fysikaliska längden hos en telefonlinje
US5960060A (en) * 1997-08-19 1999-09-28 J. V. Technologies, Inc. Line tester for coin-operated telephones
RU2187784C1 (ru) * 2000-11-20 2002-08-20 Степанов Владислав Андреевич Устройство для измерения длины линии передачи данных
CA2750063C (en) * 2009-01-23 2019-01-15 Tyco Safety Products Canada Ltd. Alarm monitoring telecommunications line condition detection and automatic calibration
JP6620185B2 (ja) * 2018-04-19 2019-12-11 東日本電信電話株式会社 故障位置検知装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912884A (en) * 1974-08-05 1975-10-14 Singer Co Communication monitoring system
US4025736A (en) * 1974-09-12 1977-05-24 Rfl Industries, Inc. Apparatus for measuring the value of a variable condition
US4001559A (en) * 1974-12-16 1977-01-04 Northern Telecom, Inc. Programmable measuring
US4139745A (en) * 1975-11-05 1979-02-13 Teradyne, Inc. Telephone line test system
US4028507A (en) * 1976-06-28 1977-06-07 Bell Telephone Laboratories, Incorporated Apparatus for applying particular voltages to three-terminal circuits and measuring resulting current flows for the purpose of determining circuit characteristics
US4278931A (en) * 1978-01-27 1981-07-14 The Post Office Location of contact faults on electrically conductive cables
NL7802422A (nl) * 1978-03-06 1979-09-10 Philips Nv Inrichting voor het meten van de lijnconditie van een abonneelijnstroomloop met behulp van een meetweerstand.
US4186282A (en) * 1978-09-25 1980-01-29 Northern Telecom Limited Method and apparatus for measuring telephone line characteristics
US4568802A (en) * 1984-05-02 1986-02-04 Bradley Telcom Corp. VF Line fault isolation and diagnostic apparatus and method

Also Published As

Publication number Publication date
EP0206161A3 (en) 1988-08-17
EP0206161A2 (en) 1986-12-30
IT1192090B (it) 1988-03-31
US4751724A (en) 1988-06-14

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