SE308136B - - Google Patents
Info
- Publication number
- SE308136B SE308136B SE8209/61A SE820961A SE308136B SE 308136 B SE308136 B SE 308136B SE 8209/61 A SE8209/61 A SE 8209/61A SE 820961 A SE820961 A SE 820961A SE 308136 B SE308136 B SE 308136B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL254957 | 1960-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE308136B true SE308136B (enExample) | 1969-02-03 |
Family
ID=19752526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8209/61A SE308136B (enExample) | 1960-08-17 | 1961-08-14 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS3819524B1 (enExample) |
| SE (1) | SE308136B (enExample) |
-
1961
- 1961-04-22 JP JP1442661A patent/JPS3819524B1/ja active Pending
- 1961-08-14 SE SE8209/61A patent/SE308136B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS3819524B1 (enExample) | 1963-09-26 |