LU69578A1 - - Google Patents
Info
- Publication number
- LU69578A1 LU69578A1 LU69578A LU69578A LU69578A1 LU 69578 A1 LU69578 A1 LU 69578A1 LU 69578 A LU69578 A LU 69578A LU 69578 A LU69578 A LU 69578A LU 69578 A1 LU69578 A1 LU 69578A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732311832 DE2311832C3 (de) | 1973-03-09 | 1973-03-09 | Schaltungsanordnung für eine Fernsprechvermittlungsanlage mit als Vermittlungsplätze ausgebauten Teilnehmerstellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU69578A1 true LU69578A1 (de) | 1974-07-05 |
Family
ID=5874330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU69578A LU69578A1 (de) | 1973-03-09 | 1974-03-07 |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT328515B (de) |
| BE (1) | BE812054A (de) |
| DE (1) | DE2311832C3 (de) |
| ES (1) | ES422094A1 (de) |
| FR (1) | FR2220942B1 (de) |
| GB (1) | GB1459300A (de) |
| IT (1) | IT1008405B (de) |
| LU (1) | LU69578A1 (de) |
| NL (1) | NL159554B (de) |
| SE (1) | SE386042B (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3171900A (en) * | 1960-07-26 | 1965-03-02 | Gen Dynamics Corp | Automatic communication system |
| FR1566333A (de) * | 1968-02-01 | 1969-05-09 |
-
1973
- 1973-03-09 DE DE19732311832 patent/DE2311832C3/de not_active Expired
-
1974
- 1974-01-07 ES ES422094A patent/ES422094A1/es not_active Expired
- 1974-01-14 AT AT28174A patent/AT328515B/de not_active IP Right Cessation
- 1974-03-06 GB GB995874A patent/GB1459300A/en not_active Expired
- 1974-03-06 NL NL7403035A patent/NL159554B/xx not_active IP Right Cessation
- 1974-03-07 LU LU69578A patent/LU69578A1/xx unknown
- 1974-03-07 FR FR7407759A patent/FR2220942B1/fr not_active Expired
- 1974-03-08 SE SE7403135A patent/SE386042B/xx unknown
- 1974-03-08 BE BE141796A patent/BE812054A/xx not_active IP Right Cessation
- 1974-03-08 IT IT4917274A patent/IT1008405B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2311832C3 (de) | 1975-08-14 |
| DE2311832B2 (de) | 1975-01-02 |
| SE386042B (sv) | 1976-07-26 |
| IT1008405B (it) | 1976-11-10 |
| FR2220942B1 (de) | 1979-10-12 |
| FR2220942A1 (de) | 1974-10-04 |
| AT328515B (de) | 1976-03-25 |
| NL159554B (nl) | 1979-02-15 |
| GB1459300A (en) | 1976-12-22 |
| ES422094A1 (es) | 1976-04-16 |
| BE812054A (fr) | 1974-09-09 |
| ATA28174A (de) | 1975-06-15 |
| NL7403035A (de) | 1974-09-11 |
| DE2311832A1 (de) | 1974-09-26 |