LU68514A1 - - Google Patents
Info
- Publication number
- LU68514A1 LU68514A1 LU68514DA LU68514A1 LU 68514 A1 LU68514 A1 LU 68514A1 LU 68514D A LU68514D A LU 68514DA LU 68514 A1 LU68514 A1 LU 68514A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722247830 DE2247830C2 (de) | 1972-09-29 | 1972-09-29 | Schaltungsanordnung für zentral gesteuerte Fernmeldevermittlungsanlagen mit Koppelfeldern und Wegesuchern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU68514A1 true LU68514A1 (de) | 1973-12-10 |
Family
ID=5857760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU68514D LU68514A1 (de) | 1972-09-29 | 1973-09-27 |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT330849B (de) |
| BE (1) | BE805476A (de) |
| CH (1) | CH577773A5 (de) |
| DE (1) | DE2247830C2 (de) |
| DK (1) | DK140779B (de) |
| FR (1) | FR2201600B1 (de) |
| GB (1) | GB1439187A (de) |
| IT (1) | IT993473B (de) |
| LU (1) | LU68514A1 (de) |
| NL (1) | NL7313424A (de) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1084771B (de) * | 1959-07-01 | 1960-07-07 | Siemens Ag | Verfahren und Schaltungsanordnung zur Pruefung von Leitungen eines Vermittlungssystems, insbesondere fuer Fernsprechzwecke |
-
1972
- 1972-09-29 DE DE19722247830 patent/DE2247830C2/de not_active Expired
-
1973
- 1973-09-04 CH CH1265673A patent/CH577773A5/xx not_active IP Right Cessation
- 1973-09-10 GB GB4246173A patent/GB1439187A/en not_active Expired
- 1973-09-20 AT AT811573A patent/AT330849B/de not_active IP Right Cessation
- 1973-09-26 FR FR7334490A patent/FR2201600B1/fr not_active Expired
- 1973-09-27 LU LU68514D patent/LU68514A1/xx unknown
- 1973-09-28 DK DK531573A patent/DK140779B/da unknown
- 1973-09-28 NL NL7313424A patent/NL7313424A/xx not_active Application Discontinuation
- 1973-09-28 IT IT2951273A patent/IT993473B/it active
- 1973-09-28 BE BE136183A patent/BE805476A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH577773A5 (de) | 1976-07-15 |
| IT993473B (it) | 1975-09-30 |
| NL7313424A (de) | 1974-04-02 |
| DE2247830C2 (de) | 1985-06-27 |
| GB1439187A (en) | 1976-06-09 |
| DE2247830A1 (de) | 1974-03-28 |
| DE2247830B1 (de) | 1974-03-28 |
| FR2201600B1 (de) | 1979-07-27 |
| BE805476A (fr) | 1974-03-28 |
| ATA811573A (de) | 1975-10-15 |
| AT330849B (de) | 1976-07-26 |
| DK140779C (de) | 1980-04-14 |
| DK140779B (da) | 1979-11-12 |
| FR2201600A1 (de) | 1974-04-26 |