ES8705732A1 - Sistema de alimentacion por baterias para alimentar corrien-te a un par de circuitos de comunicacion - Google Patents
Sistema de alimentacion por baterias para alimentar corrien-te a un par de circuitos de comunicacionInfo
- Publication number
- ES8705732A1 ES8705732A1 ES545415A ES545415A ES8705732A1 ES 8705732 A1 ES8705732 A1 ES 8705732A1 ES 545415 A ES545415 A ES 545415A ES 545415 A ES545415 A ES 545415A ES 8705732 A1 ES8705732 A1 ES 8705732A1
- Authority
- ES
- Spain
- Prior art keywords
- battery feed
- opamp
- power supply
- feed system
- circuits
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
-
- 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
-
- 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)
- Amplifiers (AREA)
- Devices For Supply Of Signal Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Abstract
SISTEMA DE ALIMENTACION POR BATERIAS PARA ALIMENTAR DOS CIRCUITOS DE COMUNICACION. CADA CIRCUITO DE ALIMENTACION TIENE DOS CONDUCTORES DE SALIDA Y EL SISTEMA COMPRENDE MEDIOS PARA PONER AMBOS CIRCUITOS EN SERIE ENTRE UNA ENTRADA DE ALIMENTACION DE CORRIENTE ENTRE C48 V Y TIERRA, DE FORMA QUE SE ALIMENTA DE CORRIENTE A LOS CIRCUITOS DE COMUNICACION POR LOS CONDUCTORES DE SALIDA A TRAVES DE ELEMENTOS RESISTIVOS EN CADA CIRCUITO DE ALIMENTACION, PARA ELIMINAR DIFERENCIALES DE INTERFERENCIA EN LA SEÑAL DE TIERRA QUE PUEDEN ACOPLAR LAS SEÑALES DE TIERRA A TODOS LOS CONDUCTORES DE SALIDA SIMULTANEAMENTE. TIENE ADEMAS UNOS MEDIOS PARA ELIMINAR INTERFERENCIAS DE LA ALIMENTACION DE CORRIENTE QUE TIENE UN DIVISOR DE VOLTAJE RESISTIVO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/633,478 US4554412A (en) | 1984-07-23 | 1984-07-23 | Resistive line circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8705732A1 true ES8705732A1 (es) | 1987-05-01 |
ES545415A0 ES545415A0 (es) | 1987-05-01 |
Family
ID=24539788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES545415A Expired ES8705732A1 (es) | 1984-07-23 | 1985-07-19 | Sistema de alimentacion por baterias para alimentar corrien-te a un par de circuitos de comunicacion |
Country Status (10)
Country | Link |
---|---|
US (1) | US4554412A (es) |
EP (1) | EP0169696B1 (es) |
JP (2) | JPS6139769A (es) |
KR (1) | KR930002107B1 (es) |
AU (1) | AU553679B2 (es) |
CA (1) | CA1235241A (es) |
ES (1) | ES8705732A1 (es) |
HK (1) | HK44592A (es) |
IL (1) | IL75857A (es) |
SG (1) | SG5491G (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4736415A (en) * | 1985-07-05 | 1988-04-05 | American Telephone And Telegraph Company | Resistive line feed circuit |
CA1291836C (en) * | 1987-06-17 | 1991-11-05 | Kenji Takato | Battery feed circuit |
US5659610A (en) * | 1994-09-28 | 1997-08-19 | Lucent Technologies Inc. | Battery feed circuit |
US5805401A (en) * | 1995-08-30 | 1998-09-08 | Cherry Semiconductor Corporation | Undervoltage lockout circuit with sleep pin |
US5796280A (en) * | 1996-02-05 | 1998-08-18 | Cherry Semiconductor Corporation | Thermal limit circuit with built-in hysteresis |
EP0858705A1 (en) * | 1996-09-03 | 1998-08-19 | Koninklijke Philips Electronics N.V. | Electronic impedance supply circuit |
DE19734169B4 (de) * | 1997-08-07 | 2007-02-15 | Mekra Lang Gmbh & Co. Kg | Nutzfahrzeug mit einem Spiegel im Frontbereich |
US6157716A (en) * | 1998-05-08 | 2000-12-05 | Bell Atlantic Corporation | Power feed circuit providing both on-hook and off-hook power for telephone subscriber loop |
KR100709165B1 (ko) * | 2005-09-14 | 2007-04-18 | 진옥상 | 필터가 내장된 정전류달링톤트랜지스터 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3458711A (en) * | 1967-08-10 | 1969-07-29 | Bell Telephone Labor Inc | Dynamic voltage balancing circuit |
US3581104A (en) * | 1970-03-05 | 1971-05-25 | Hornischfeger Corp | Voltage splitter circuit |
US3649769A (en) * | 1970-10-28 | 1972-03-14 | Gen Electric | Circuit for supplying direct current to a telephone line |
US3646428A (en) * | 1970-11-27 | 1972-02-29 | Bell Telephone Labor Inc | Symmetrical voltage regulator |
US4007335A (en) * | 1975-11-12 | 1977-02-08 | Bell Telephone Laboratories, Incorporated | Telephone line battery feed circuit |
US3993880A (en) * | 1976-02-09 | 1976-11-23 | Bell Telephone Laboratories, Incorporated | Resistive battery feed for line circuits |
US4087647A (en) * | 1977-05-25 | 1978-05-02 | Bell Telephone Laboratories, Incorporated | Circuit for supplying direct current to telephone station sets |
ZA784547B (en) * | 1977-08-17 | 1979-08-29 | Post Office | Unbalanced/balanced converter circuits |
US4194091A (en) * | 1978-12-29 | 1980-03-18 | Bell Telephone Laboratories, Incorporated | Line feed circuit |
DE3237681C2 (de) * | 1982-10-12 | 1986-03-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Speiseschaltung für einen veränderlichen Verbraucherwiderstand und mit unterschiedlich wirkendem Ausgangswiderstand |
-
1984
- 1984-07-23 US US06/633,478 patent/US4554412A/en not_active Expired - Lifetime
-
1985
- 1985-06-27 CA CA000485541A patent/CA1235241A/en not_active Expired
- 1985-07-15 EP EP19850305020 patent/EP0169696B1/en not_active Expired - Lifetime
- 1985-07-18 AU AU45129/85A patent/AU553679B2/en not_active Ceased
- 1985-07-19 IL IL7585785A patent/IL75857A/xx unknown
- 1985-07-19 ES ES545415A patent/ES8705732A1/es not_active Expired
- 1985-07-20 KR KR1019850005180A patent/KR930002107B1/ko not_active IP Right Cessation
- 1985-07-23 JP JP16132685A patent/JPS6139769A/ja active Pending
-
1991
- 1991-01-31 SG SG5491A patent/SG5491G/en unknown
-
1992
- 1992-06-18 HK HK44592A patent/HK44592A/xx not_active IP Right Cessation
-
1998
- 1998-01-05 JP JP10000241A patent/JPH1127430A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH1127430A (ja) | 1999-01-29 |
EP0169696A3 (en) | 1986-11-12 |
KR930002107B1 (ko) | 1993-03-26 |
KR860001660A (ko) | 1986-03-20 |
HK44592A (en) | 1992-06-26 |
AU553679B2 (en) | 1986-07-24 |
CA1235241A (en) | 1988-04-12 |
IL75857A (en) | 1989-05-15 |
JPS6139769A (ja) | 1986-02-25 |
SG5491G (en) | 1991-07-26 |
AU4512985A (en) | 1986-02-06 |
EP0169696A2 (en) | 1986-01-29 |
US4554412A (en) | 1985-11-19 |
ES545415A0 (es) | 1987-05-01 |
EP0169696B1 (en) | 1990-10-10 |
IL75857A0 (en) | 1985-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |
Effective date: 19960401 |