FR2291674A1 - Champ de couplage pour l'etablissement d'interconnexions directes a quatre fils et comportant un groupage a rebroussement a plusieurs etages - Google Patents
Champ de couplage pour l'etablissement d'interconnexions directes a quatre fils et comportant un groupage a rebroussement a plusieurs etagesInfo
- Publication number
- FR2291674A1 FR2291674A1 FR7534465A FR7534465A FR2291674A1 FR 2291674 A1 FR2291674 A1 FR 2291674A1 FR 7534465 A FR7534465 A FR 7534465A FR 7534465 A FR7534465 A FR 7534465A FR 2291674 A1 FR2291674 A1 FR 2291674A1
- Authority
- FR
- France
- Prior art keywords
- establishment
- direct
- winding group
- coupling field
- stage winding
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742454144 DE2454144C3 (de) | 1974-11-14 | Vierdrähtig durchschaltendes, eine mehrstufige Umkehrgruppierung aufweisendes Koppelfeld |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2291674A1 true FR2291674A1 (fr) | 1976-06-11 |
| FR2291674B1 FR2291674B1 (US07488766-20090210-C00029.png) | 1981-06-19 |
Family
ID=5930870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7534465A Granted FR2291674A1 (fr) | 1974-11-14 | 1975-11-12 | Champ de couplage pour l'etablissement d'interconnexions directes a quatre fils et comportant un groupage a rebroussement a plusieurs etages |
Country Status (12)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2477819A1 (fr) * | 1980-03-04 | 1981-09-11 | Standard Telephones Cables Ltd | Systeme de commutation numerique pour concentrateur ou autocommutateur telephonique local |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4201891A (en) * | 1978-03-17 | 1980-05-06 | International Telephone And Telegraph Corporation | Expandable digital switching network |
| US4071888A (en) * | 1977-02-16 | 1978-01-31 | Bell Telephone Laboratories, Incorporated | Telephone multiline automatic voice answer system |
| US4201889A (en) * | 1978-03-17 | 1980-05-06 | International Telephone And Telegraph | Distributed control digital switching system |
| DE2819126C2 (de) * | 1978-04-29 | 1979-11-22 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Mehrstufiges, eine Umkehrgruppierung aufweisendes Koppelnetz für eine PCM-Vermittlungsanlage |
| US4272844A (en) * | 1978-06-30 | 1981-06-09 | Centre National d'Etudes de Telecommunication | Multiplex time division switching network unit of the time-time type |
| US4287590A (en) * | 1979-06-25 | 1981-09-01 | International Standard Electric Corporation | Time division multiplex communication system |
| US4355384A (en) * | 1980-03-19 | 1982-10-19 | Digital Switch Corporation | Non-blocking expandable switching matrix for a telecommunication system |
| FR2495413B1 (fr) * | 1980-11-28 | 1988-02-19 | Cochennec Jean Yves | Systeme de raccordement de lignes d'abonnes a un autocommutateur telephonique temporel |
| JPS59181895A (ja) * | 1983-03-31 | 1984-10-16 | Hitachi Ltd | 時分割交換機 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE791917A (fr) * | 1971-11-25 | 1973-03-16 | Post Office | Perfectionnements aux systemes de telecommunication multiplex adivisiondans le temps |
-
1975
- 1975-06-25 LU LU72812A patent/LU72812A1/xx unknown
- 1975-08-22 AT AT651975A patent/AT354527B/de not_active IP Right Cessation
- 1975-10-13 GB GB41778/75A patent/GB1519806A/en not_active Expired
- 1975-10-29 NL NL7512664A patent/NL7512664A/xx not_active Application Discontinuation
- 1975-11-05 CH CH1427175A patent/CH593597A5/xx not_active IP Right Cessation
- 1975-11-07 IT IT29065/75A patent/IT1051373B/it active
- 1975-11-10 US US05/630,493 patent/US4025725A/en not_active Expired - Lifetime
- 1975-11-12 FR FR7534465A patent/FR2291674A1/fr active Granted
- 1975-11-14 SU SU752189618A patent/SU812198A3/ru active
- 1975-11-14 BE BE161894A patent/BE835598A/xx not_active IP Right Cessation
- 1975-11-14 JP JP13770475A patent/JPS5619794B2/ja not_active Expired
- 1975-11-14 SE SE7512841A patent/SE403240B/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2477819A1 (fr) * | 1980-03-04 | 1981-09-11 | Standard Telephones Cables Ltd | Systeme de commutation numerique pour concentrateur ou autocommutateur telephonique local |
Also Published As
| Publication number | Publication date |
|---|---|
| LU72812A1 (US07488766-20090210-C00029.png) | 1975-09-29 |
| JPS5619794B2 (US07488766-20090210-C00029.png) | 1981-05-09 |
| DE2454144A1 (de) | 1976-05-20 |
| SU812198A3 (ru) | 1981-03-07 |
| NL7512664A (nl) | 1976-05-18 |
| AT354527B (de) | 1979-01-10 |
| GB1519806A (en) | 1978-08-02 |
| SE403240B (sv) | 1978-07-31 |
| BE835598A (fr) | 1976-05-14 |
| JPS5173310A (US07488766-20090210-C00029.png) | 1976-06-25 |
| IT1051373B (it) | 1981-04-21 |
| ATA651975A (de) | 1979-06-15 |
| SE7512841L (sv) | 1976-05-17 |
| DE2454144B2 (de) | 1977-04-14 |
| AU8597775A (en) | 1977-04-28 |
| CH593597A5 (US07488766-20090210-C00029.png) | 1977-12-15 |
| US4025725A (en) | 1977-05-24 |
| FR2291674B1 (US07488766-20090210-C00029.png) | 1981-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |