SE302002B - - Google Patents
Info
- Publication number
- SE302002B SE302002B SE590064A SE590064A SE302002B SE 302002 B SE302002 B SE 302002B SE 590064 A SE590064 A SE 590064A SE 590064 A SE590064 A SE 590064A SE 302002 B SE302002 B SE 302002B
- Authority
- SE
- Sweden
- Prior art keywords
- channel
- signal
- output
- proportional
- diode
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA875539 | 1963-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE302002B true SE302002B (de) | 1968-07-01 |
Family
ID=4141721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE590064A SE302002B (de) | 1963-05-14 | 1964-05-14 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1283292B (de) |
| GB (1) | GB1011962A (de) |
| NL (1) | NL6405323A (de) |
| SE (1) | SE302002B (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB703801A (en) * | 1951-11-19 | 1954-02-10 | Leonard Ernest Ryall | Improvements in or relating to voice switching in telephone transmission systems |
| DE1049430B (de) * | 1954-02-24 | 1959-01-29 | Svenska Reläfabriken AB, Stockholm | Sprachgesteuerter Zweiwegverstärker für Fernsprechanlagen, insbesondere Gegensprechanlagen, mit je einer regelbaren Verstärkereinheit für jede Übertragungsrichtung |
| DE1054042B (de) * | 1957-12-23 | 1959-04-02 | Moeller & Neumann Gmbh | Einrichtung zum Laengen eines Zugankers unabhaengig von der Spannmutter |
| BE565494A (de) * | 1957-11-26 | 1900-01-01 | ||
| DE1086753B (de) * | 1958-04-28 | 1960-08-11 | Ericsson Telefon Ab L M | Sprachgesteuerte Wechselsprechanlage |
| DE1129543B (de) * | 1958-06-25 | 1962-05-17 | Gylling & Co Ab | Schaltungsanordnung fuer sprachgesteuerte Wechselsprechanlagen |
-
1964
- 1964-04-09 GB GB1467764A patent/GB1011962A/en not_active Expired
- 1964-05-13 NL NL6405323A patent/NL6405323A/xx unknown
- 1964-05-14 SE SE590064A patent/SE302002B/xx unknown
- 1964-05-14 DE DE1964N0024989 patent/DE1283292B/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6405323A (de) | 1964-11-16 |
| GB1011962A (en) | 1965-12-01 |
| DE1283292B (de) | 1968-11-21 |
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