ES2035933T3 - Sistema de alimentacion en corriente continua con senalizacion del estado de emergencia por inversion de polaridad. - Google Patents
Sistema de alimentacion en corriente continua con senalizacion del estado de emergencia por inversion de polaridad.Info
- Publication number
- ES2035933T3 ES2035933T3 ES198888400920T ES88400920T ES2035933T3 ES 2035933 T3 ES2035933 T3 ES 2035933T3 ES 198888400920 T ES198888400920 T ES 198888400920T ES 88400920 T ES88400920 T ES 88400920T ES 2035933 T3 ES2035933 T3 ES 2035933T3
- Authority
- ES
- Spain
- Prior art keywords
- power supply
- investment
- emergency
- signaling
- polarity
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0435—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1308—Power supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13166—Fault prevention
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13209—ISDN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13305—Transistors, semiconductors in general
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1332—Logic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Emergency Protection Circuit Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Cookers (AREA)
- Direct Current Feeding And Distribution (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephone Function (AREA)
- Dc-Dc Converters (AREA)
- Liquid Crystal (AREA)
Abstract
ESTA ALIMENTACION ESTA ESPECIALMENTE PREVISTA PARA LA ALIMENTACION DE UN TERMINAL NUMERICO DE USUARIO A PARTIR DE UN TERMINAL REMOTO EN UNA RED TELEFONICA NUMERICA DE INTEGRACION DE SERVICIOS. CONSTA DE UNA FUENTE PRINCIPAL (10) DE ALIMENTACION DE ENERGIA ELECTRICA CONTINUA DOTADA DE UN DISPOSITIVO DE PROTECCION (11) QUE COLOCA SU SALIDA EN ESTADO DE ALTA IMPEDANCIA EN CASO DE AUSENCIA DE TENSION EN SUS BORNAS Y DE UNA FUENTE AUXILIAR (20) DE ALIMENTACION DE ENERGIA ELECTRICA CONTINUA MONTADA EN PARALELO Y EN OPOSICION A LA ULTIMA Y DOTADA DE UN DISPOSITIVO DE ALIMENTACION DE CORRIENTE (21) DISPARADO EN TIEMPO NORMAL PARA LA CORRIENTE SUPLEMENTARIA QUE TRATA DE IMPONER LA FUENTE PRINCIPAL (10).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8706078A FR2614737B1 (fr) | 1987-04-29 | 1987-04-29 | Alimentation en energie electrique continue secourue avec une signalisation de l'etat de secours par inversion de polarite |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2035933T3 true ES2035933T3 (es) | 1993-05-01 |
Family
ID=9350622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888400920T Expired - Lifetime ES2035933T3 (es) | 1987-04-29 | 1988-04-15 | Sistema de alimentacion en corriente continua con senalizacion del estado de emergencia por inversion de polaridad. |
Country Status (14)
Country | Link |
---|---|
US (1) | US4825349A (es) |
EP (1) | EP0289387B1 (es) |
JP (1) | JP2919838B2 (es) |
KR (1) | KR970003191B1 (es) |
CN (1) | CN1011110B (es) |
AT (1) | ATE81425T1 (es) |
AU (1) | AU603524B2 (es) |
CA (1) | CA1285020C (es) |
DE (1) | DE3875156T2 (es) |
ES (1) | ES2035933T3 (es) |
FI (1) | FI91464C (es) |
FR (1) | FR2614737B1 (es) |
MX (1) | MX167470B (es) |
ZA (1) | ZA883072B (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4984267A (en) * | 1990-01-29 | 1991-01-08 | Nynex Corporation | Backup power supply at subscriber terminal |
JP2905616B2 (ja) * | 1991-05-20 | 1999-06-14 | シャープ株式会社 | 通信端末装置 |
US5579379A (en) * | 1992-03-05 | 1996-11-26 | Bell Atlantic Network Services, Inc. | Personal communications service having a calling party pays capability |
US5353331A (en) * | 1992-03-05 | 1994-10-04 | Bell Atlantic Network Services, Inc. | Personal communications service using wireline/wireless integration |
US5325419A (en) * | 1993-01-04 | 1994-06-28 | Ameritech Corporation | Wireless digital personal communications system having voice/data/image two-way calling and intercell hand-off |
US5621787A (en) * | 1995-09-13 | 1997-04-15 | Bell Atlantic Network Services, Inc. | Prepaid cash card |
FR2739523A1 (fr) * | 1995-09-29 | 1997-04-04 | Philips Electronics Nv | Circuit pour poste telephonique comportant une alimentation de diode electroluminescente |
EP0903927B1 (en) * | 1997-09-23 | 2004-06-09 | STMicroelectronics S.r.l. | MOS transistors circuit having a transformer/data interface function |
US5917250A (en) * | 1997-10-07 | 1999-06-29 | Lucent Technologies Inc. | Isolation circuit and verification controller for a power supply and power plant employing the same |
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 |
US6956826B1 (en) | 1999-07-07 | 2005-10-18 | Serconet Ltd. | Local area network for distributing data communication, sensing and control signals |
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 |
US6842459B1 (en) * | 2000-04-19 | 2005-01-11 | Serconet Ltd. | Network combining wired and non-wired segments |
US7394633B2 (en) * | 2005-05-09 | 2008-07-01 | Delta Electronics, Inc. | Reverse current protection circuit for switching power supply |
US20070070911A1 (en) * | 2005-09-29 | 2007-03-29 | Goldberg Keith J | Method for testing links in a wireless network |
US8884656B2 (en) | 2012-10-31 | 2014-11-11 | Sigma Designs Israel S.D.I. Ltd. | High-performance zero-crossing detector |
US10944259B2 (en) | 2018-10-08 | 2021-03-09 | Cheng Bao | System and method for over voltage protection in both positive and negative polarities |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59215170A (ja) * | 1983-05-20 | 1984-12-05 | Nippon Telegr & Teleph Corp <Ntt> | 端末装置接続方式 |
CA1223994A (en) * | 1984-02-29 | 1987-07-07 | Yasunobu Nakayama | Electric source circuit for telephone sets |
GB8409496D0 (en) * | 1984-04-12 | 1984-05-23 | Honeywell Control Syst | Back-up power supply system |
US4647787A (en) * | 1985-02-04 | 1987-03-03 | Gte Communication Systems Corp. | Backup battery power supply for microprocessor based telephones |
FR2585526A1 (fr) * | 1985-07-25 | 1987-01-30 | Kalfon Rene | Equipement de signalisation de ligne d'abonne pour commutateur telephonique |
US4745299A (en) * | 1986-04-17 | 1988-05-17 | American Telephone And Telegraph Company, At&T Bell Laboratories | Off-line switcher with battery reserve |
US4763014A (en) * | 1987-09-21 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Backup protection switch to prevent reverse power flow in a UPS |
US4763013A (en) * | 1987-09-21 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Backup protection switch to prevent reverse power flow in a UPS |
-
1987
- 1987-04-29 FR FR8706078A patent/FR2614737B1/fr not_active Expired
-
1988
- 1988-04-15 ES ES198888400920T patent/ES2035933T3/es not_active Expired - Lifetime
- 1988-04-15 DE DE8888400920T patent/DE3875156T2/de not_active Expired - Fee Related
- 1988-04-15 EP EP88400920A patent/EP0289387B1/fr not_active Expired - Lifetime
- 1988-04-15 AT AT88400920T patent/ATE81425T1/de not_active IP Right Cessation
- 1988-04-25 US US07/185,651 patent/US4825349A/en not_active Expired - Lifetime
- 1988-04-26 AU AU15135/88A patent/AU603524B2/en not_active Ceased
- 1988-04-27 FI FI881983A patent/FI91464C/fi not_active IP Right Cessation
- 1988-04-28 JP JP63107370A patent/JP2919838B2/ja not_active Expired - Lifetime
- 1988-04-28 KR KR1019880004851A patent/KR970003191B1/ko not_active IP Right Cessation
- 1988-04-28 CA CA000565383A patent/CA1285020C/fr not_active Expired - Fee Related
- 1988-04-28 MX MX011294A patent/MX167470B/es unknown
- 1988-04-29 ZA ZA883072A patent/ZA883072B/xx unknown
- 1988-04-29 CN CN88102480A patent/CN1011110B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0289387A1 (fr) | 1988-11-02 |
MX167470B (es) | 1993-03-24 |
CN1011110B (zh) | 1991-01-02 |
ATE81425T1 (de) | 1992-10-15 |
FR2614737B1 (fr) | 1989-06-09 |
JP2919838B2 (ja) | 1999-07-19 |
ZA883072B (en) | 1989-01-25 |
US4825349A (en) | 1989-04-25 |
FI91464B (fi) | 1994-03-15 |
CN88102480A (zh) | 1988-11-16 |
FR2614737A1 (fr) | 1988-11-04 |
EP0289387B1 (fr) | 1992-10-07 |
DE3875156D1 (de) | 1992-11-12 |
JPS63314141A (ja) | 1988-12-22 |
FI881983A (fi) | 1988-10-30 |
AU603524B2 (en) | 1990-11-15 |
FI91464C (fi) | 1994-06-27 |
AU1513588A (en) | 1988-11-03 |
DE3875156T2 (de) | 1993-02-11 |
FI881983A0 (fi) | 1988-04-27 |
KR880013286A (ko) | 1988-11-30 |
KR970003191B1 (ko) | 1997-03-14 |
CA1285020C (fr) | 1991-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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