FR2178033A1 - - Google Patents
Info
- Publication number
- FR2178033A1 FR2178033A1 FR7310903A FR7310903A FR2178033A1 FR 2178033 A1 FR2178033 A1 FR 2178033A1 FR 7310903 A FR7310903 A FR 7310903A FR 7310903 A FR7310903 A FR 7310903A FR 2178033 A1 FR2178033 A1 FR 2178033A1
- Authority
- FR
- France
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H04M9/022—Multiplex systems
- H04M9/025—Time division multiplex systems, e.g. loop systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722215163 DE2215163A1 (en) | 1972-03-28 | 1972-03-28 | CIRCUIT ARRANGEMENT FOR REMOTE INDICATION, IN PARTICULAR TELEPHONE SYSTEMS WITH SEVERAL DIGITAL RING LINES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2178033A1 true FR2178033A1 (en) | 1973-11-09 |
Family
ID=5840444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7310903A Pending FR2178033A1 (en) | 1972-03-28 | 1973-03-27 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE797455A (en) |
| CH (1) | CH549924A (en) |
| DE (1) | DE2215163A1 (en) |
| FR (1) | FR2178033A1 (en) |
| IT (1) | IT982641B (en) |
| LU (1) | LU67292A1 (en) |
| NL (1) | NL7304257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2472898A1 (en) * | 1979-12-27 | 1981-07-03 | Jeumont Schneider | Twin loop cascade transmission network - has inverters in each substation for switching over loop lines in event of loop or substation |
-
1972
- 1972-03-28 DE DE19722215163 patent/DE2215163A1/en active Pending
-
1973
- 1973-03-01 CH CH297273A patent/CH549924A/en not_active IP Right Cessation
- 1973-03-26 LU LU67292D patent/LU67292A1/xx unknown
- 1973-03-27 NL NL7304257A patent/NL7304257A/xx unknown
- 1973-03-27 IT IT2216773A patent/IT982641B/en active
- 1973-03-27 FR FR7310903A patent/FR2178033A1/fr active Pending
- 1973-03-28 BE BE129375A patent/BE797455A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2472898A1 (en) * | 1979-12-27 | 1981-07-03 | Jeumont Schneider | Twin loop cascade transmission network - has inverters in each substation for switching over loop lines in event of loop or substation |
Also Published As
| Publication number | Publication date |
|---|---|
| IT982641B (en) | 1974-10-21 |
| CH549924A (en) | 1974-05-31 |
| NL7304257A (en) | 1973-10-02 |
| BE797455A (en) | 1973-09-28 |
| LU67292A1 (en) | 1973-06-15 |
| DE2215163A1 (en) | 1973-10-11 |