CA2280918C - Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network - Google Patents

Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network Download PDF

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Publication number
CA2280918C
CA2280918C CA002280918A CA2280918A CA2280918C CA 2280918 C CA2280918 C CA 2280918C CA 002280918 A CA002280918 A CA 002280918A CA 2280918 A CA2280918 A CA 2280918A CA 2280918 C CA2280918 C CA 2280918C
Authority
CA
Canada
Prior art keywords
network
power
battery
interface unit
charger
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
CA002280918A
Other languages
English (en)
French (fr)
Other versions
CA2280918A1 (en
Inventor
Gregory J. Beveridge
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.)
US West Inc
Original Assignee
US West 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 US West Inc filed Critical US West Inc
Publication of CA2280918A1 publication Critical patent/CA2280918A1/en
Application granted granted Critical
Publication of CA2280918C publication Critical patent/CA2280918C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Optical Communication System (AREA)
  • Devices For Supply Of Signal Current (AREA)
CA002280918A 1997-12-31 1998-12-31 Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network Expired - Lifetime CA2280918C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US001,642 1997-12-31
US09/001,642 US6028916A (en) 1997-12-31 1997-12-31 Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network
PCT/US1998/027860 WO1999034541A1 (en) 1997-12-31 1998-12-31 Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network

Publications (2)

Publication Number Publication Date
CA2280918A1 CA2280918A1 (en) 1999-07-08
CA2280918C true CA2280918C (en) 2007-12-11

Family

ID=21697108

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002280918A Expired - Lifetime CA2280918C (en) 1997-12-31 1998-12-31 Method and apparatus for maintaining availability of lifeline telephony service on a hybrid fiber-coax network

Country Status (6)

Country Link
US (2) US6028916A (enExample)
EP (1) EP0963629B1 (enExample)
JP (1) JP4104675B2 (enExample)
CA (1) CA2280918C (enExample)
DE (1) DE69836475T2 (enExample)
WO (1) WO1999034541A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9903476L (sv) * 1999-09-24 2001-03-25 Ericsson Telefon Ab L M Anordning och metod som avser kraftförsörjning i ett kommunikationsnätverk
US6556562B1 (en) * 1999-09-29 2003-04-29 At&T Corp. System to provide lifeline IP telephony service on cable access networks
US7039062B1 (en) * 1999-12-15 2006-05-02 Microtune (Texas) L.P. System and method for pulsed cable telephony
US6775562B1 (en) * 2000-04-17 2004-08-10 Sbc Properties, Lp Remote battery replacement notification system and method
AU2001253761A1 (en) * 2000-04-24 2001-11-07 Broadcom Corporation System and method for providing power over a home phone line network
EP1176792A1 (en) * 2000-07-24 2002-01-30 Alcatel Method and apparatus for providing an all digital loop with power-optimised mode
DE60104064T2 (de) * 2000-08-29 2005-06-30 Lucent Technologies Inc. Vorrichtung und Verfahren zur Bereitstellung von Leistungsnotdiensten für DSL-Teilnehmern
US20030135773A1 (en) * 2002-01-15 2003-07-17 Song Zhang Remote sensing of power supply states
DE60222762T2 (de) * 2002-07-29 2008-07-03 Infineon Technologies Ag DSLkommunikationsgerät mit Rettungstelefondienst
US7580732B2 (en) * 2004-10-05 2009-08-25 Spirent Communications Of Rockville, Inc. Subscriber aggregated power
US20060187071A1 (en) * 2005-02-11 2006-08-24 Sbc Knowledge Ventures, L.P. System and method for notification of power system status
US7715530B2 (en) * 2005-04-25 2010-05-11 At&T Intellectual Property I, L.P. POTS battery removal for IP/ATM-based network equipment
US20080104427A1 (en) * 2006-10-27 2008-05-01 Microsoft Corporation Multi-stage power supply
US8542126B2 (en) * 2007-08-21 2013-09-24 Verizon Patent And Licensing Inc. Optical network terminal backup battery centralized monitoring and voltage alert
EP2120442A1 (en) 2008-05-15 2009-11-18 BRITISH TELECOMMUNICATIONS public limited company Power backup system
WO2010107441A1 (en) 2009-03-20 2010-09-23 Innovative Wireless Technologies, Inc. Distributed ad hoc mesh network protocol for underground mine and hazardous area communications
AU2009342637B2 (en) * 2009-03-20 2015-07-16 Innovative Wireless Technologies, Inc. Method and apparatus for reliable communications in underground and hazardous areas
US9337683B2 (en) * 2012-12-20 2016-05-10 Powergenix Systems, Inc. Controlling battery states of charge in systems having separate power sources
US11320882B2 (en) * 2018-10-30 2022-05-03 Harmonic, Inc. R-PHY node with UPS to address cable service interruptions due to short power interruptions
US12224622B2 (en) 2018-10-30 2025-02-11 Harmonic, Inc. Cable television equipment with UPS to address cable service interruptions due to short power interruptions

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959602A (en) * 1974-11-19 1976-05-25 Bell Telephone Laboratories, Incorporated Telephone substation circuit
US4984267A (en) * 1990-01-29 1991-01-08 Nynex Corporation Backup power supply at subscriber terminal
JPH07500705A (ja) * 1991-09-03 1995-01-19 サイエンティフィック−アトランタ・インコーポレーテッド 光ファイバ状態監視及び制御システム
US5467384A (en) * 1993-05-28 1995-11-14 U S West Advanced Technologies, Inc. Method and apparatus for providing power to a coaxial cable network
US5355401A (en) * 1993-05-28 1994-10-11 U S West Advanced Technologies, Inc. Method and apparatus for providing telephony power through a coaxial cable network
JPH07212506A (ja) * 1994-01-14 1995-08-11 Fujitsu Ltd 端末給電方式
US5661463A (en) * 1995-04-17 1997-08-26 Communications Test Design, Inc. D.C. battery plant alarm monitoring remote apparatus
US5804890A (en) * 1995-07-07 1998-09-08 Lucent Technologies Inc. Direct current voltage power backup system
US5675371A (en) * 1995-10-27 1997-10-07 Location Science Corporation Apparatus for monitoring cable television system remote equipment performance and status using a cell modem
US5818125A (en) * 1996-10-09 1998-10-06 U S West, Inc. Secondary source of energy system for powering communications hardware and services and associated method

Also Published As

Publication number Publication date
EP0963629A1 (en) 1999-12-15
US6393105B1 (en) 2002-05-21
WO1999034541A1 (en) 1999-07-08
US6028916A (en) 2000-02-22
EP0963629B1 (en) 2006-11-22
EP0963629A4 (en) 2004-08-04
JP4104675B2 (ja) 2008-06-18
DE69836475D1 (de) 2007-01-04
JP2001517412A (ja) 2001-10-02
DE69836475T2 (de) 2007-09-20
CA2280918A1 (en) 1999-07-08

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Effective date: 20181231