LU70759A1 - - Google Patents
Info
- Publication number
- LU70759A1 LU70759A1 LU70759A LU70759A LU70759A1 LU 70759 A1 LU70759 A1 LU 70759A1 LU 70759 A LU70759 A LU 70759A LU 70759 A LU70759 A LU 70759A LU 70759 A1 LU70759 A1 LU 70759A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732342417 DE2342417C2 (en) | 1973-08-22 | 1973-08-22 | Circuit arrangement for a telephone system, for connecting a calling subscriber station with a free connection set with loop detection in the connection set |
| DE19732342410 DE2342410C3 (en) | 1973-08-22 | Circuit arrangement for a telephone system, in particular a telephone branch exchange, with electronic crosspoints | |
| DE19732342375 DE2342375B2 (en) | 1973-08-22 | 1973-08-22 | CIRCUIT ARRANGEMENT FOR A TELEPHONE SYSTEM, IN PARTICULAR TELEPHONE EXCHANGE, WITH ELECTRONIC COUPLING POINTS |
| DE19732342429 DE2342429C3 (en) | 1973-08-22 | Circuit arrangement for a telephone system, in particular a telephone branch exchange, with electronic crosspoints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU70759A1 true LU70759A1 (en) | 1975-01-02 |
Family
ID=27431732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU70759A LU70759A1 (en) | 1973-08-22 | 1974-08-20 |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH579858A5 (en) |
| DK (1) | DK441874A (en) |
| FR (1) | FR2241938A1 (en) |
| GB (1) | GB1475809A (en) |
| LU (1) | LU70759A1 (en) |
| SE (1) | SE394569B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1552812A (en) * | 1976-09-28 | 1979-09-19 | Standard Telephones Cables Ltd | Automatic telecommunication exchangers |
-
1974
- 1974-08-12 FR FR7427890A patent/FR2241938A1/fr not_active Withdrawn
- 1974-08-16 GB GB3608674A patent/GB1475809A/en not_active Expired
- 1974-08-19 DK DK441874A patent/DK441874A/da unknown
- 1974-08-20 CH CH1131774A patent/CH579858A5/xx not_active IP Right Cessation
- 1974-08-20 SE SE7410593A patent/SE394569B/en unknown
- 1974-08-20 LU LU70759A patent/LU70759A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK441874A (en) | 1975-04-28 |
| SE7410593L (en) | 1975-02-24 |
| GB1475809A (en) | 1977-06-10 |
| CH579858A5 (en) | 1976-09-15 |
| FR2241938A1 (en) | 1975-03-21 |
| SE394569B (en) | 1977-06-27 |