ZA747128B - Electronic trunk junctor - Google Patents
Electronic trunk junctorInfo
- Publication number
- ZA747128B ZA747128B ZA00747128A ZA747128A ZA747128B ZA 747128 B ZA747128 B ZA 747128B ZA 00747128 A ZA00747128 A ZA 00747128A ZA 747128 A ZA747128 A ZA 747128A ZA 747128 B ZA747128 B ZA 747128B
- Authority
- ZA
- South Africa
- Prior art keywords
- electronic trunk
- trunk junctor
- junctor
- electronic
- trunk
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7340850A FR2251975B1 (enrdf_load_stackoverflow) | 1973-11-16 | 1973-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA747128B true ZA747128B (en) | 1975-11-26 |
Family
ID=9127862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00747128A ZA747128B (en) | 1973-11-16 | 1974-11-06 | Electronic trunk junctor |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH596727A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2453094B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2251975B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1452386A (enrdf_load_stackoverflow) |
| ZA (1) | ZA747128B (enrdf_load_stackoverflow) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2326100A1 (fr) * | 1975-09-26 | 1977-04-22 | Ericsson Telefon Ab L M | Joncteur reseau de telephonie electronique |
| FR2372563A1 (fr) * | 1976-11-25 | 1978-06-23 | Ericsson Telefon Ab L M | Joncteur reseau de telephonie electronique |
| CA1123131A (en) * | 1978-02-28 | 1982-05-04 | Michael C.J. Cowpland | Transformerless trunk circuit |
| CH635216A5 (de) * | 1978-10-25 | 1983-03-15 | Hansjoerg Erne | Geraet zur ueberwachung des linienstromes in einer telefonleitung. |
| DE2846934A1 (de) * | 1978-10-27 | 1980-04-30 | Siemens Ag | Vollelektronische schleifenschlussschaltung |
| FR2500975B1 (fr) * | 1981-02-27 | 1993-05-07 | Cit Alcatel | Self electronique |
| FR2530105B1 (fr) * | 1982-07-07 | 1985-07-05 | Constr Telephoniques | Circuit de boucle pour ligne telephonique |
| FR2544144A1 (fr) * | 1983-04-11 | 1984-10-12 | Rosny Unite Tech | Relais modulateur, notamment pour installations de telecommunications |
| FR2546351B1 (fr) * | 1983-05-18 | 1989-02-24 | Telecommunications Sa | Circuit de ligne pour joncteur de reseau |
| DE3322642A1 (de) * | 1983-06-23 | 1985-01-24 | Siemens AG, 1000 Berlin und 8000 München | Gabelschaltung fuer fernsprechstationen mit verstaerkern |
| DE3407226A1 (de) * | 1984-02-28 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung fuer eine elektronische drossel in lautfernsprechstationen |
| DE3407202A1 (de) * | 1984-02-28 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung fuer eine elektronische drossel in lautfernsprechstationen |
| DE3604491A1 (de) * | 1986-02-13 | 1987-08-20 | Gaertner Karl Telegaertner | Vorrichtung mit einem bistabilen relais |
| DE3804216A1 (de) * | 1988-02-11 | 1989-08-24 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer eine externleitungsuebertragung von kommunikations-vermittlungsanlagen, insbesondere fernsprechnebenstellenanlagen |
| GB2220820B (en) * | 1988-07-13 | 1992-07-08 | Philips Electronic Associated | Telephone line loop current regulator |
| DE4337530A1 (de) * | 1993-11-04 | 1995-05-11 | Bergermann Petra | Modul für die Anschaltung von Geräten an das öffentliche Telefonnetz |
| CN101729699B (zh) | 2008-10-25 | 2012-02-01 | 华为技术有限公司 | 一种分离设备及语音信号传输的方法 |
-
1973
- 1973-11-16 FR FR7340850A patent/FR2251975B1/fr not_active Expired
-
1974
- 1974-11-06 ZA ZA00747128A patent/ZA747128B/xx unknown
- 1974-11-08 DE DE2453094A patent/DE2453094B2/de not_active Withdrawn
- 1974-11-12 GB GB4886074A patent/GB1452386A/en not_active Expired
- 1974-11-15 CH CH1524474A patent/CH596727A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2453094B2 (de) | 1979-11-29 |
| CH596727A5 (enrdf_load_stackoverflow) | 1978-03-15 |
| DE2453094A1 (de) | 1975-05-22 |
| FR2251975A1 (enrdf_load_stackoverflow) | 1975-06-13 |
| FR2251975B1 (enrdf_load_stackoverflow) | 1979-08-03 |
| GB1452386A (en) | 1976-10-13 |
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