MX9304471A - Circuito para alimentacion de una bateria. - Google Patents
Circuito para alimentacion de una bateria.Info
- Publication number
- MX9304471A MX9304471A MX9304471A MX9304471A MX9304471A MX 9304471 A MX9304471 A MX 9304471A MX 9304471 A MX9304471 A MX 9304471A MX 9304471 A MX9304471 A MX 9304471A MX 9304471 A MX9304471 A MX 9304471A
- Authority
- MX
- Mexico
- Prior art keywords
- circuit
- impedance
- battery
- negative
- power
- Prior art date
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
-
- 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
- H04M19/005—Feeding arrangements without the use of line transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/005—Interface circuits for subscriber lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Devices For Supply Of Signal Current (AREA)
- Networks Using Active Elements (AREA)
Abstract
Un circuito de alimentación de batería, en donde solo una alimentación resistiva simple se requiere para proporcionar corriente CD a la carga, por ejemplo, línea telefónica y juego de estación, debido a que parte del circuito que transmite y recibe señales CA tiene una impedancia Ca que es negativa. El circuito cumple con requerimientos específicos para una impedancia de terminación CA que es mayor que la impedancia de terminación CD debido a que la impedancia CA negativa se conecta en paralelo con la alimentación resistiva. El circuito logra una reducción de costo substancial con respecto a circuitos de la técnica previa, debido a que la parte de alimentación Cd del circuito sólo tiene componentes pasivos y debido a que la línea telefónica se conecta directamente sólo a componentes pasivos en la parte CA del circuito reduciendo de ésta manera el costo de circuitería de protección requerida.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92657492A | 1992-08-06 | 1992-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9304471A true MX9304471A (es) | 1994-02-28 |
Family
ID=25453392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9304471A MX9304471A (es) | 1992-08-06 | 1993-07-23 | Circuito para alimentacion de una bateria. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0582439A1 (es) |
JP (1) | JPH06205142A (es) |
KR (1) | KR940005055A (es) |
CA (1) | CA2097354A1 (es) |
HU (1) | HUT65288A (es) |
MX (1) | MX9304471A (es) |
PL (1) | PL299918A1 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0703695B1 (en) * | 1994-09-22 | 2004-05-06 | STMicroelectronics N.V. | Line impedance synthesis circuit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57129063A (en) * | 1981-02-04 | 1982-08-10 | Nippon Telegr & Teleph Corp <Ntt> | Subscriber's circuit |
FR2552288B1 (fr) * | 1983-09-15 | 1989-03-24 | Telecommunications Sa | Joncteur d'abonne telephonique |
US4899382A (en) * | 1988-06-15 | 1990-02-06 | Siemens Transmission Systems, Inc. | Telephone circuit using DC blocked transformer and negative impedance technique |
JPH088617B2 (ja) * | 1988-09-19 | 1996-01-29 | 富士通株式会社 | 電子交換機の給電部における終端回路 |
ES2096603T3 (es) * | 1990-07-19 | 1997-03-16 | Siemens Ag | Circuito de conexion de abonados para la conexion de una linea de conexion de abonado para la transmision de señales analogicas de abonado a una central telefonica digital multiplex de division de tiempo. |
-
1993
- 1993-05-31 CA CA002097354A patent/CA2097354A1/en not_active Abandoned
- 1993-07-23 MX MX9304471A patent/MX9304471A/es unknown
- 1993-07-29 EP EP19930305997 patent/EP0582439A1/en not_active Withdrawn
- 1993-07-30 KR KR1019930014652A patent/KR940005055A/ko not_active Application Discontinuation
- 1993-08-03 PL PL29991893A patent/PL299918A1/xx unknown
- 1993-08-03 HU HU9302239A patent/HUT65288A/hu unknown
- 1993-08-06 JP JP5195028A patent/JPH06205142A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2097354A1 (en) | 1994-02-07 |
PL299918A1 (en) | 1994-02-07 |
HU9302239D0 (en) | 1993-10-28 |
KR940005055A (ko) | 1994-03-16 |
JPH06205142A (ja) | 1994-07-22 |
EP0582439A1 (en) | 1994-02-09 |
HUT65288A (en) | 1994-05-02 |
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