SE371066B - - Google Patents
Info
- Publication number
- SE371066B SE371066B SE7206076A SE607672A SE371066B SE 371066 B SE371066 B SE 371066B SE 7206076 A SE7206076 A SE 7206076A SE 607672 A SE607672 A SE 607672A SE 371066 B SE371066 B SE 371066B
- 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 |
---|---|---|---|
SE7206076A SE371066B (sv) | 1972-05-09 | 1972-05-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7206076A SE371066B (sv) | 1972-05-09 | 1972-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE371066B true SE371066B (sv) | 1974-11-04 |
Family
ID=20267860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7206076A SE371066B (sv) | 1972-05-09 | 1972-05-09 |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE371066B (sv) |
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1972
- 1972-05-09 SE SE7206076A patent/SE371066B/xx unknown