WO1995028793A1 - Power management for line powered telecommunication apparatus - Google Patents
Power management for line powered telecommunication apparatus Download PDFInfo
- Publication number
- WO1995028793A1 WO1995028793A1 PCT/GB1995/000855 GB9500855W WO9528793A1 WO 1995028793 A1 WO1995028793 A1 WO 1995028793A1 GB 9500855 W GB9500855 W GB 9500855W WO 9528793 A1 WO9528793 A1 WO 9528793A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- connection
- power
- oscillator
- communications line
- line
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
-
- 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
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95915262A EP0755603A1 (en) | 1994-04-13 | 1995-04-12 | Power management for line powered telecommunication apparatus |
KR1019960705789A KR970702653A (en) | 1994-04-13 | 1995-04-12 | POWER MANAGEMENT FOR LINE POWERED TELECOMMUNICATION APPARATUS |
JP7526811A JPH09512968A (en) | 1994-04-13 | 1995-04-12 | Power management for communication equipment that supplies power to the line |
AU22204/95A AU689878B2 (en) | 1994-04-13 | 1995-04-12 | Power management for line powered telecommunication apparatus |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94302621.1 | 1994-04-13 | ||
EP94302621 | 1994-04-13 | ||
US08/251,686 US5608792A (en) | 1994-04-13 | 1994-05-31 | Apparatus for drawing and processing electrical power from a communications line |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995028793A1 true WO1995028793A1 (en) | 1995-10-26 |
Family
ID=8217648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1995/000855 WO1995028793A1 (en) | 1994-04-13 | 1995-04-12 | Power management for line powered telecommunication apparatus |
Country Status (9)
Country | Link |
---|---|
US (1) | US5608792A (en) |
EP (1) | EP0755603A1 (en) |
JP (1) | JPH09512968A (en) |
KR (1) | KR970702653A (en) |
CN (1) | CN1146263A (en) |
AU (1) | AU689878B2 (en) |
CA (1) | CA2187452A1 (en) |
NZ (1) | NZ283783A (en) |
WO (1) | WO1995028793A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT409909B (en) * | 1998-12-22 | 2002-12-27 | Ericsson Austria Ag | Circuit for remote supply in communications system enables local station to control source in exchange via transmission line depending on load requirement |
US6831976B1 (en) | 1998-12-16 | 2004-12-14 | Agere Systems, Inc. | Telephone line-powered power supply for ancillary equipment and method of operation thereof |
TWI407724B (en) * | 2007-07-17 | 2013-09-01 | Chunghwa Telecom Co Ltd | Telecommunication Machine Room DC Power Resource Management System |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5930351A (en) * | 1996-03-18 | 1999-07-27 | Lappen; William Ascher | Remote telephone ringer controller |
US5940477A (en) * | 1996-09-11 | 1999-08-17 | United Microelectronics Corp. | Telephone answering apparatus with answer-only operation |
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 |
US6480510B1 (en) * | 1998-07-28 | 2002-11-12 | Serconet Ltd. | Local area network of serial intelligent cells |
FR2786350B1 (en) * | 1998-11-19 | 2001-02-02 | Mathias Wauquier | REMOTE CONFIGURABLE TELEPHONE ROUTER WITHOUT USER DANGER |
US6218930B1 (en) * | 1999-03-10 | 2001-04-17 | Merlot Communications | Apparatus and method for remotely powering access equipment over a 10/100 switched ethernet network |
US6956826B1 (en) | 1999-07-07 | 2005-10-18 | Serconet Ltd. | Local area network for distributing data communication, sensing and control signals |
US6690677B1 (en) | 1999-07-20 | 2004-02-10 | Serconet Ltd. | Network for telephony and data communication |
US6571181B1 (en) * | 1999-08-11 | 2003-05-27 | Broadcom Corporation | System and method for detecting a device requiring power |
US7256684B1 (en) * | 1999-09-27 | 2007-08-14 | Cisco Technology, Inc. | Method and apparatus for remote powering of device connected to network |
US6549616B1 (en) | 2000-03-20 | 2003-04-15 | Serconet Ltd. | Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets |
IL154234A (en) | 2003-01-30 | 2010-12-30 | Mosaid Technologies Inc | Method and system for providing dc power on local telephone lines |
IL159838A0 (en) | 2004-01-13 | 2004-06-20 | Yehuda Binder | Information device |
EP1738575B1 (en) * | 2004-04-13 | 2016-09-21 | Telecom Italia S.p.A. | A device and a method for feeding electric devices from a telephone line |
US7620846B2 (en) * | 2004-10-07 | 2009-11-17 | Cisco Technology, Inc. | Redundant power and data over a wired data telecommunications network |
US8074084B2 (en) * | 2004-11-03 | 2011-12-06 | Cisco Technology, Inc. | Powered device classification in a wired data telecommunications network |
US7903809B2 (en) * | 2004-11-05 | 2011-03-08 | Cisco Technology, Inc. | Power management for serial-powered device connections |
US7363525B2 (en) * | 2004-10-07 | 2008-04-22 | Cisco Technology, Inc. | Bidirectional inline power port |
US7457252B2 (en) | 2004-11-03 | 2008-11-25 | Cisco Technology, Inc. | Current imbalance compensation for magnetics in a wired data telecommunications network |
US7823026B2 (en) * | 2004-10-07 | 2010-10-26 | Cisco Technology, Inc. | Automatic system for power and data redundancy in a wired data telecommunications network |
US8300666B2 (en) | 2004-10-07 | 2012-10-30 | Cisco Technology, Inc. | Inline power-based common mode communications in a wired data telecommunications network |
US7603570B2 (en) | 2004-05-13 | 2009-10-13 | Cisco Technology, Inc. | Power delivery over ethernet cables |
US7793137B2 (en) * | 2004-10-07 | 2010-09-07 | Cisco Technology, Inc. | Redundant power and data in a wired data telecommunincations network |
US7849351B2 (en) * | 2004-10-07 | 2010-12-07 | Cisco Technology, Inc. | Power and data redundancy in a single wiring closet |
US8259562B2 (en) * | 2004-10-07 | 2012-09-04 | Cisco Technology, Inc. | Wiring closet redundancy |
US7724650B2 (en) * | 2004-11-30 | 2010-05-25 | Cisco Technology, Inc. | Multi-station physical layer communication over TP cable |
US8149683B2 (en) * | 2005-05-18 | 2012-04-03 | Cisco Technology, Inc. | Fail-safe inline power in a wired data telecommunications network |
US7664136B2 (en) * | 2005-06-02 | 2010-02-16 | Cisco Technology, Inc. | Inline power for multiple devices in a wired data telecommunications network |
US7373532B2 (en) * | 2005-07-27 | 2008-05-13 | Cisco Technology, Inc. | Inline power controller |
US7565555B2 (en) * | 2005-11-23 | 2009-07-21 | Cisco Technology, Inc. | Uninterruptible power supply resource sharing for multiple power sourcing equipment network devices |
US7921307B2 (en) * | 2007-03-27 | 2011-04-05 | Cisco Technology, Inc. | Methods and apparatus providing advanced classification for power over Ethernet |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0214915A2 (en) * | 1985-09-11 | 1987-03-18 | Alcatel N.V. | Information collecting and forwarding apparatus and method of operating such an apparatus |
JPS63266956A (en) * | 1987-04-23 | 1988-11-04 | Nec Corp | Communication terminal equipment |
WO1989011194A1 (en) * | 1988-05-10 | 1989-11-16 | Canadian Communications Innovations Inc. | Remote on/off telephone switching system |
JPH02306754A (en) * | 1989-05-20 | 1990-12-20 | Nippon Telegr & Teleph Corp <Ntt> | Station feeding operation type network controller |
US5204896A (en) * | 1990-08-10 | 1993-04-20 | Telegenics, Inc. | Outbound telemetry device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5161184A (en) * | 1989-08-09 | 1992-11-03 | Digital Telecommunications Systems, Inc. | Ring-back powered telephone with nonvolatile memory structure |
FR2651398B1 (en) * | 1989-08-31 | 1995-08-25 | Alcatel Business Systems | SUPPLY ARRANGEMENT FOR TELEPHONE AND / OR TELEMATIC TERMINAL. |
JPH0388542A (en) * | 1989-08-31 | 1991-04-12 | Toshiba Corp | Telephone terminal device |
JP2836759B2 (en) * | 1990-06-01 | 1998-12-14 | ローム 株式会社 | Selection signal sending circuit |
US5289359A (en) * | 1991-02-13 | 1994-02-22 | Charles Industries, Limited | DC-DC power converter including sensing means for providing an output when the reserve power of the converter falls below a predetermined amount for a given input voltage |
JP3322889B2 (en) * | 1991-03-19 | 2002-09-09 | 株式会社東芝 | Power transmission system |
US5237606A (en) * | 1991-05-01 | 1993-08-17 | Charles Industries, Ltd. | Enhanced synchronous rectifier |
US5216707A (en) * | 1991-08-06 | 1993-06-01 | International Teleservice Corp. | Circuit for firing paystation coin relay using power derived from telephone line tip/ring voltage |
US5349640A (en) * | 1993-06-24 | 1994-09-20 | Rolm Company | Option bus adapter |
US5343514A (en) * | 1993-12-10 | 1994-08-30 | Snyder Gary K | Telephone line powered system |
-
1994
- 1994-05-31 US US08/251,686 patent/US5608792A/en not_active Expired - Lifetime
-
1995
- 1995-04-12 CN CN95192572A patent/CN1146263A/en active Pending
- 1995-04-12 EP EP95915262A patent/EP0755603A1/en not_active Withdrawn
- 1995-04-12 WO PCT/GB1995/000855 patent/WO1995028793A1/en not_active Application Discontinuation
- 1995-04-12 NZ NZ283783A patent/NZ283783A/en unknown
- 1995-04-12 AU AU22204/95A patent/AU689878B2/en not_active Ceased
- 1995-04-12 JP JP7526811A patent/JPH09512968A/en not_active Ceased
- 1995-04-12 CA CA002187452A patent/CA2187452A1/en not_active Abandoned
- 1995-04-12 KR KR1019960705789A patent/KR970702653A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0214915A2 (en) * | 1985-09-11 | 1987-03-18 | Alcatel N.V. | Information collecting and forwarding apparatus and method of operating such an apparatus |
JPS63266956A (en) * | 1987-04-23 | 1988-11-04 | Nec Corp | Communication terminal equipment |
WO1989011194A1 (en) * | 1988-05-10 | 1989-11-16 | Canadian Communications Innovations Inc. | Remote on/off telephone switching system |
JPH02306754A (en) * | 1989-05-20 | 1990-12-20 | Nippon Telegr & Teleph Corp <Ntt> | Station feeding operation type network controller |
US5204896A (en) * | 1990-08-10 | 1993-04-20 | Telegenics, Inc. | Outbound telemetry device |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 13, no. 88 (E - 721) 28 February 1989 (1989-02-28) * |
PATENT ABSTRACTS OF JAPAN vol. 15, no. 98 (E - 1042) * |
R. BECKER ET AL.: "SIGFRED: A low-power DTMF and Signaling frequency detector 237045", IEEE JOURNAL OF SOLID-STATE CIRCUITS, vol. 26, no. 7, NEW YORK US, pages 1027 - 1032, XP000237045 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6831976B1 (en) | 1998-12-16 | 2004-12-14 | Agere Systems, Inc. | Telephone line-powered power supply for ancillary equipment and method of operation thereof |
AT409909B (en) * | 1998-12-22 | 2002-12-27 | Ericsson Austria Ag | Circuit for remote supply in communications system enables local station to control source in exchange via transmission line depending on load requirement |
TWI407724B (en) * | 2007-07-17 | 2013-09-01 | Chunghwa Telecom Co Ltd | Telecommunication Machine Room DC Power Resource Management System |
Also Published As
Publication number | Publication date |
---|---|
US5608792A (en) | 1997-03-04 |
CN1146263A (en) | 1997-03-26 |
KR970702653A (en) | 1997-05-13 |
EP0755603A1 (en) | 1997-01-29 |
NZ283783A (en) | 1997-02-24 |
CA2187452A1 (en) | 1995-10-26 |
AU689878B2 (en) | 1998-04-09 |
AU2220495A (en) | 1995-11-10 |
JPH09512968A (en) | 1997-12-22 |
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