LU64757A1 - - Google Patents
Info
- Publication number
- LU64757A1 LU64757A1 LU64757DA LU64757A1 LU 64757 A1 LU64757 A1 LU 64757A1 LU 64757D A LU64757D A LU 64757DA LU 64757 A1 LU64757 A1 LU 64757A1
- 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
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
-
- 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)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712106390 DE2106390C3 (en) | 1971-02-11 | 1971-02-11 | Circuit arrangement for a centrally controlled telecommunications, in particular telephone branch exchange, with connected pulse and touch dial subscriber stations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU64757A1 true LU64757A1 (en) | 1972-07-04 |
Family
ID=5798410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU64757D LU64757A1 (en) | 1971-02-11 | 1972-02-09 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT316659B (en) |
| BE (1) | BE779286A (en) |
| CH (1) | CH540615A (en) |
| DE (1) | DE2106390C3 (en) |
| FR (1) | FR2126772A5 (en) |
| GB (1) | GB1370063A (en) |
| IT (1) | IT947374B (en) |
| LU (1) | LU64757A1 (en) |
| NL (1) | NL7201849A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2500247B1 (en) * | 1981-02-13 | 1987-12-24 | France Etat | MATRIX OPTICAL CONCENTRATOR-DISTRIBUTOR |
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1971
- 1971-02-11 DE DE19712106390 patent/DE2106390C3/en not_active Expired
-
1972
- 1972-01-25 AT AT58472A patent/AT316659B/en not_active IP Right Cessation
- 1972-01-26 CH CH117072A patent/CH540615A/en not_active IP Right Cessation
- 1972-02-07 GB GB550872A patent/GB1370063A/en not_active Expired
- 1972-02-08 IT IT2031572A patent/IT947374B/en active
- 1972-02-08 FR FR7204091A patent/FR2126772A5/fr not_active Expired
- 1972-02-09 LU LU64757D patent/LU64757A1/xx unknown
- 1972-02-11 BE BE779286A patent/BE779286A/en unknown
- 1972-02-11 NL NL7201849A patent/NL7201849A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT316659B (en) | 1974-07-25 |
| BE779286A (en) | 1972-08-11 |
| NL7201849A (en) | 1972-08-15 |
| FR2126772A5 (en) | 1972-10-06 |
| DE2106390C3 (en) | 1975-08-21 |
| GB1370063A (en) | 1974-10-09 |
| DE2106390A1 (en) | 1972-08-24 |
| IT947374B (en) | 1973-05-21 |
| CH540615A (en) | 1973-08-15 |
| DE2106390B2 (en) | 1975-01-02 |