IT1031665B - Disposizione circuitale per il controlle dello stato della linea di utente in una rete di fonia e dati - Google Patents

Disposizione circuitale per il controlle dello stato della linea di utente in una rete di fonia e dati

Info

Publication number
IT1031665B
IT1031665B IT20180/75A IT2018075A IT1031665B IT 1031665 B IT1031665 B IT 1031665B IT 20180/75 A IT20180/75 A IT 20180/75A IT 2018075 A IT2018075 A IT 2018075A IT 1031665 B IT1031665 B IT 1031665B
Authority
IT
Italy
Prior art keywords
telephone
checking
status
data network
circuit arrangement
Prior art date
Application number
IT20180/75A
Other languages
English (en)
Italian (it)
Inventor
G Biraghi
C A Manghi
Original Assignee
Sits Soc It Telecom Siemens
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
Priority to ZA00760075A priority Critical patent/ZA7675B/xx
Application filed by Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Priority to IT20180/75A priority patent/IT1031665B/it
Priority to FR7535634A priority patent/FR2301138A1/fr
Priority to CH13476A priority patent/CH610162A5/xx
Priority to PT64688A priority patent/PT64688B/pt
Priority to BR7600280A priority patent/BR7600280A/pt
Priority to GB2362/76A priority patent/GB1540414A/en
Priority to ES0444676A priority patent/ES444676A1/es
Priority to US05/657,388 priority patent/US4024360A/en
Priority to DE19762605614 priority patent/DE2605614A1/de
Application granted granted Critical
Publication of IT1031665B publication Critical patent/IT1031665B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
IT20180/75A 1975-02-12 1975-02-12 Disposizione circuitale per il controlle dello stato della linea di utente in una rete di fonia e dati IT1031665B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ZA00760075A ZA7675B (en) 1975-02-12 1975-01-06 Circuit arrangement for controlling the state of a user's line in a speech and data network
IT20180/75A IT1031665B (it) 1975-02-12 1975-02-12 Disposizione circuitale per il controlle dello stato della linea di utente in una rete di fonia e dati
FR7535634A FR2301138A1 (fr) 1975-02-12 1975-11-21 Circu
CH13476A CH610162A5 (US07122547-20061017-C00273.png) 1975-02-12 1976-01-07
PT64688A PT64688B (fr) 1975-02-12 1976-01-12 Dispositif de circuits pour la verification de l'etat d'u-ne ligne d'un abonne dans une reseau telephonique qui sertaussi pour la communication de processement de donnees
BR7600280A BR7600280A (pt) 1975-02-12 1976-01-19 Arranjo de circuito para controle do estado da linha do usuario em uma rede de fonia e de dados
GB2362/76A GB1540414A (en) 1975-02-12 1976-01-21 Circuit arrangements for detecting the state of subscriber lines in speech and data networks
ES0444676A ES444676A1 (es) 1975-02-12 1976-01-28 Mejoras en los circuitos telefonicos
US05/657,388 US4024360A (en) 1975-02-12 1976-02-11 Station checking network for telecommunication system
DE19762605614 DE2605614A1 (de) 1975-02-12 1976-02-12 Schaltungsanordnung zur pruefung des zustands der teilnehmerleitungen in einem fernmeldesystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20180/75A IT1031665B (it) 1975-02-12 1975-02-12 Disposizione circuitale per il controlle dello stato della linea di utente in una rete di fonia e dati

Publications (1)

Publication Number Publication Date
IT1031665B true IT1031665B (it) 1979-05-10

Family

ID=11164470

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20180/75A IT1031665B (it) 1975-02-12 1975-02-12 Disposizione circuitale per il controlle dello stato della linea di utente in una rete di fonia e dati

Country Status (10)

Country Link
US (1) US4024360A (US07122547-20061017-C00273.png)
BR (1) BR7600280A (US07122547-20061017-C00273.png)
CH (1) CH610162A5 (US07122547-20061017-C00273.png)
DE (1) DE2605614A1 (US07122547-20061017-C00273.png)
ES (1) ES444676A1 (US07122547-20061017-C00273.png)
FR (1) FR2301138A1 (US07122547-20061017-C00273.png)
GB (1) GB1540414A (US07122547-20061017-C00273.png)
IT (1) IT1031665B (US07122547-20061017-C00273.png)
PT (1) PT64688B (US07122547-20061017-C00273.png)
ZA (1) ZA7675B (US07122547-20061017-C00273.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258332A (en) * 1976-10-15 1981-03-24 Wheelock Signals, Inc. Loudspeaker amplifier
NL7614000A (nl) * 1976-12-17 1978-06-20 Philips Nv Signaleringssysteem voor overspanningsbescher- mers.
US5680397A (en) * 1995-03-13 1997-10-21 International Business Machines Corporation Multi-port LAN switch for a token-ring network
GB9614561D0 (en) * 1996-07-11 1996-09-04 4Links Ltd Communication system with improved code
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
US6507608B1 (en) * 2000-02-23 2003-01-14 2Wire, Inc. Multi-line ADSL modulation
US7023910B1 (en) 2000-12-21 2006-04-04 2Wire, Inc. Dual-line DSL system and method
EP1805927A1 (en) * 2004-10-11 2007-07-11 2Wire, Inc. Periodic impulse noise mitigation in a dsl system
US7953163B2 (en) * 2004-11-30 2011-05-31 Broadcom Corporation Block linear equalization in a multicarrier communication system
US7852950B2 (en) * 2005-02-25 2010-12-14 Broadcom Corporation Methods and apparatuses for canceling correlated noise in a multi-carrier communication system
US9374257B2 (en) * 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7382774B2 (en) * 2005-05-31 2008-06-03 Falco Anthony R Bankover connection system
US7813439B2 (en) * 2006-02-06 2010-10-12 Broadcom Corporation Various methods and apparatuses for impulse noise detection
US8605837B2 (en) * 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417210A (en) * 1965-02-12 1968-12-17 Bell Telephone Labor Inc Condition testing arrangement
US3444336A (en) * 1966-07-22 1969-05-13 D O Creasman Electronics Inc Pressurized cable fault signal circuit
US3624316A (en) * 1969-04-11 1971-11-30 Superior Continental Corp Subscriber pressure alarm system
US3731012A (en) * 1971-09-30 1973-05-01 Stromberg Carlson Corp Current limiting and resistance monitoring circuit

Also Published As

Publication number Publication date
ZA7675B (en) 1976-12-29
DE2605614A1 (de) 1976-09-09
PT64688A (fr) 1976-02-01
GB1540414A (en) 1979-02-14
FR2301138A1 (fr) 1976-09-10
FR2301138B1 (US07122547-20061017-C00273.png) 1981-02-13
US4024360A (en) 1977-05-17
ES444676A1 (es) 1977-05-16
PT64688B (fr) 1977-08-09
BR7600280A (pt) 1976-09-14
CH610162A5 (US07122547-20061017-C00273.png) 1979-03-30

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