FR2491704B1 - Circuit d'alimentation d'une ligne telephonique - Google Patents
Circuit d'alimentation d'une ligne telephoniqueInfo
- Publication number
- FR2491704B1 FR2491704B1 FR8021249A FR8021249A FR2491704B1 FR 2491704 B1 FR2491704 B1 FR 2491704B1 FR 8021249 A FR8021249 A FR 8021249A FR 8021249 A FR8021249 A FR 8021249A FR 2491704 B1 FR2491704 B1 FR 2491704B1
- Authority
- FR
- France
- Prior art keywords
- supply circuit
- telephone line
- telephone
- line
- supply
- 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)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8021249A FR2491704B1 (fr) | 1980-10-03 | 1980-10-03 | Circuit d'alimentation d'une ligne telephonique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8021249A FR2491704B1 (fr) | 1980-10-03 | 1980-10-03 | Circuit d'alimentation d'une ligne telephonique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2491704A1 FR2491704A1 (fr) | 1982-04-09 |
FR2491704B1 true FR2491704B1 (fr) | 1985-06-07 |
Family
ID=9246542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8021249A Expired FR2491704B1 (fr) | 1980-10-03 | 1980-10-03 | Circuit d'alimentation d'une ligne telephonique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2491704B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1223618B (it) * | 1987-12-28 | 1990-09-29 | Sgs Thomson Microelectronics | Circuito di interfaccia tra linea telefonica d'utente ed organi di comando centrale, con limitazione del consumo di corrente in caso di cavo a terra |
AU3598897A (en) * | 1996-07-08 | 1998-02-02 | Antec Corporation | Low-noise, high rms switching power supply for broadband signal distribution system |
US5844327A (en) * | 1996-08-21 | 1998-12-01 | Antec Corporation | Apparatus and method for optimizing power distributed in a broadband signal system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1130940A (fr) * | 1978-09-22 | 1982-08-31 | Oki Electric Industry Co., Ltd. | Circuit d'alimentation pour central telephonique |
NL7810086A (nl) * | 1978-10-06 | 1980-04-09 | Philips Nv | Voedingsbrug voor een abonneestroomloop. |
-
1980
- 1980-10-03 FR FR8021249A patent/FR2491704B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2491704A1 (fr) | 1982-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |