ES473790A1 - Circuito de alimentacion de linea, destinado especialmente a un empalme de central telefonica. - Google Patents
Circuito de alimentacion de linea, destinado especialmente a un empalme de central telefonica.Info
- Publication number
- ES473790A1 ES473790A1 ES473790A ES473790A ES473790A1 ES 473790 A1 ES473790 A1 ES 473790A1 ES 473790 A ES473790 A ES 473790A ES 473790 A ES473790 A ES 473790A ES 473790 A1 ES473790 A1 ES 473790A1
- Authority
- ES
- Spain
- Prior art keywords
- follower
- generator
- line
- master
- supply circuit
- 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
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Amplifiers (AREA)
Abstract
Circuito de alimentación de línea, destinado especialmente a un empalme de central telefónica, que incluye dos generadores de corriente continua, un generador director que alimenta un primer hilo de línea, y un generador seguidor, que alimenta un primer hilo de línea, un órgano de mando del generador seguidor que suministra la señal de mando del generador seguidor para asegurar el equilibrio de la línea y un órgano de mando del generador director, caracterizado porque el órgano de mando del generador director adapta el valor de la corriente continua suministrada a la línea, al valor de la resistencia de la línea, cualquiera que sea el valor de esta resistencia.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7729439A FR2404976A1 (fr) | 1977-09-30 | 1977-09-30 | Circuit d'alimentation de ligne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES473790A1 true ES473790A1 (es) | 1979-04-16 |
Family
ID=9195948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES473790A Expired ES473790A1 (es) | 1977-09-30 | 1978-09-29 | Circuito de alimentacion de linea, destinado especialmente a un empalme de central telefonica. |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE870885A (es) |
| DE (1) | DE2842634A1 (es) |
| ES (1) | ES473790A1 (es) |
| FR (1) | FR2404976A1 (es) |
| IT (1) | IT1099192B (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2441303A1 (fr) * | 1978-11-13 | 1980-06-06 | Labo Cent Telecommunicat | Pont d'alimentation electronique pour ligne telephonique |
| GB2065418B (en) * | 1979-12-06 | 1984-02-15 | Standard Telephones Cables Ltd | Telephone line feed |
| FR2481035A1 (fr) * | 1980-04-18 | 1981-10-23 | Trt Telecom Radio Electr | Perfectionnements aux joncteurs d'abonne electroniques |
-
1977
- 1977-09-30 FR FR7729439A patent/FR2404976A1/fr active Granted
-
1978
- 1978-09-27 IT IT28119/78A patent/IT1099192B/it active
- 1978-09-29 DE DE19782842634 patent/DE2842634A1/de active Pending
- 1978-09-29 ES ES473790A patent/ES473790A1/es not_active Expired
- 1978-09-29 BE BE190803A patent/BE870885A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT7828119A0 (it) | 1978-09-27 |
| FR2404976A1 (fr) | 1979-04-27 |
| FR2404976B1 (es) | 1980-04-18 |
| BE870885A (fr) | 1979-01-15 |
| IT1099192B (it) | 1985-09-18 |
| DE2842634A1 (de) | 1979-04-12 |
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