SE354167B - - Google Patents
Info
- Publication number
- SE354167B SE354167B SE04411/72A SE441172A SE354167B SE 354167 B SE354167 B SE 354167B SE 04411/72 A SE04411/72 A SE 04411/72A SE 441172 A SE441172 A SE 441172A SE 354167 B SE354167 B SE 354167B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE04411/72A SE354167B (cs) | 1972-04-06 | 1972-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE04411/72A SE354167B (cs) | 1972-04-06 | 1972-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE354167B true SE354167B (cs) | 1973-02-26 |
Family
ID=20264128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE04411/72A SE354167B (cs) | 1972-04-06 | 1972-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE354167B (cs) |
-
1972
- 1972-04-06 SE SE04411/72A patent/SE354167B/xx unknown