SE306351B - - Google Patents
Info
- Publication number
- SE306351B SE306351B SE981764A SE981764A SE306351B SE 306351 B SE306351 B SE 306351B SE 981764 A SE981764 A SE 981764A SE 981764 A SE981764 A SE 981764A SE 306351 B SE306351 B SE 306351B
- Authority
- SE
- Sweden
- Prior art keywords
- gain
- channel
- signal
- voltages
- amplifiers
- Prior art date
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE981764A SE306351B (en)) | 1964-08-14 | 1964-08-14 | |
DE1965ST024174 DE1280331B (de) | 1964-08-14 | 1965-07-24 | Sprachgesteuerter Zweikanalverstaerker fuer Gegensprechanlagen, insbesondere in Fernsprechanlagen |
GB3472665A GB1114641A (en) | 1964-08-14 | 1965-08-13 | Two-way amplifier for telephone systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE981764A SE306351B (en)) | 1964-08-14 | 1964-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE306351B true SE306351B (en)) | 1968-11-25 |
Family
ID=20277588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE981764A SE306351B (en)) | 1964-08-14 | 1964-08-14 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1280331B (en)) |
GB (1) | GB1114641A (en)) |
SE (1) | SE306351B (en)) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2907361C2 (de) * | 1979-02-24 | 1982-06-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zur Störspannungsunterdrückung in Wechsel- oder Gegensprechanlagen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL245570A (en)) * | 1958-12-29 | |||
NL267461A (en)) * | 1960-10-04 | 1900-01-01 |
-
1964
- 1964-08-14 SE SE981764A patent/SE306351B/xx unknown
-
1965
- 1965-07-24 DE DE1965ST024174 patent/DE1280331B/de active Pending
- 1965-08-13 GB GB3472665A patent/GB1114641A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1280331B (de) | 1968-10-17 |
GB1114641A (en) | 1968-05-22 |
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