FR2320672A1 - Montage pour l'alimentation centrale de postes d'abonne dans des installations de telecommunications, notamment dans des installations telephoniques - Google Patents
Montage pour l'alimentation centrale de postes d'abonne dans des installations de telecommunications, notamment dans des installations telephoniquesInfo
- Publication number
- FR2320672A1 FR2320672A1 FR7623559A FR7623559A FR2320672A1 FR 2320672 A1 FR2320672 A1 FR 2320672A1 FR 7623559 A FR7623559 A FR 7623559A FR 7623559 A FR7623559 A FR 7623559A FR 2320672 A1 FR2320672 A1 FR 2320672A1
- Authority
- FR
- France
- Prior art keywords
- symmetry
- constant
- attenuation
- telephone terminals
- controls
- 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.)
- Granted
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752534609 DE2534609C3 (de) | 1975-08-02 | 1975-08-02 | Schaltungsanordnung für die zentrale Speisung von Teilnehmerstellen in Fernmelde-, insbesondere Fernsprechanlagen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2320672A1 true FR2320672A1 (fr) | 1977-03-04 |
| FR2320672B3 FR2320672B3 (https=) | 1979-07-06 |
Family
ID=5953091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7623559A Granted FR2320672A1 (fr) | 1975-08-02 | 1976-08-02 | Montage pour l'alimentation centrale de postes d'abonne dans des installations de telecommunications, notamment dans des installations telephoniques |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2534609C3 (https=) |
| FR (1) | FR2320672A1 (https=) |
Cited By (2)
| 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 |
| EP0185213A3 (en) * | 1984-12-19 | 1988-09-21 | Siemens Aktiengesellschaft Berlin Und Munchen | Circuit arrangement for overcharge protection of a subscriber current supply circuit, especially in a digital telephone exchange |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1159706B (it) * | 1978-06-02 | 1987-03-04 | Cselt Centro Studi Lab Telecom | Circuito telefonico elettronico di linea d'utente |
| DE2850905C2 (de) * | 1978-11-24 | 1985-11-14 | Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Schaltungsanordnung zur Speisung einer Teilnehmerendeinrichtung |
| DE3234209C2 (de) * | 1982-09-15 | 1986-03-20 | kabelmetal electro GmbH, 3000 Hannover | Schaltungsanordnung zur Trennung von Gleich- und Wechselanteil bei der leitungsgebundenen Signalübertragung |
| DE3436903A1 (de) * | 1984-10-08 | 1986-04-10 | Horst Dipl.-Ing. Kopetzky (FH), 8025 Unterhaching | Schaltungsanordnung zur begrenzung des ueber eine speiseschaltung einer leitungsindividuellen teilnehmeranschlussschaltung gelieferten speisestroms |
-
1975
- 1975-08-02 DE DE19752534609 patent/DE2534609C3/de not_active Expired
-
1976
- 1976-08-02 FR FR7623559A patent/FR2320672A1/fr active Granted
Cited By (2)
| 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 |
| EP0185213A3 (en) * | 1984-12-19 | 1988-09-21 | Siemens Aktiengesellschaft Berlin Und Munchen | Circuit arrangement for overcharge protection of a subscriber current supply circuit, especially in a digital telephone exchange |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2534609B2 (de) | 1977-09-22 |
| DE2534609C3 (de) | 1978-05-18 |
| DE2534609A1 (de) | 1977-02-03 |
| FR2320672B3 (https=) | 1979-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |