SE302784B - - Google Patents
Info
- Publication number
- SE302784B SE302784B SE2389/63A SE238963A SE302784B SE 302784 B SE302784 B SE 302784B SE 2389/63 A SE2389/63 A SE 2389/63A SE 238963 A SE238963 A SE 238963A SE 302784 B SE302784 B SE 302784B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US177854A US3128353A (en) | 1962-03-06 | 1962-03-06 | Transmission control in signaling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE302784B true SE302784B (de) | 1968-08-05 |
Family
ID=22650214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE2389/63A SE302784B (de) | 1962-03-06 | 1963-03-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3128353A (de) |
| DE (1) | DE1166278B (de) |
| GB (1) | GB1027287A (de) |
| SE (1) | SE302784B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3305646A (en) * | 1963-11-13 | 1967-02-21 | Bell Telephone Labor Inc | Echo suppressor with improved break-in circuitry |
| US3370294A (en) * | 1964-05-13 | 1968-02-20 | Leonard R. Kahn | Communications echo suppression |
| US3471657A (en) * | 1966-11-21 | 1969-10-07 | Bell Telephone Labor Inc | Echo suppressor having means for eliminating the operationally induced noise fluctuations |
| US3689711A (en) * | 1971-01-27 | 1972-09-05 | Bell Telephone Labor Inc | Call diverter repeater |
| US3810182A (en) * | 1971-08-12 | 1974-05-07 | North American Rockwell | Adaptive electronic hybrid transformer |
| US3900708A (en) * | 1972-03-31 | 1975-08-19 | Siemens Ag | Selective echo suppressor |
| NL8202667A (nl) * | 1982-07-02 | 1984-02-01 | Philips Nv | Vierdraadsversterkte lijn en conferentieschakeling bevattende dergelijke vierdraadsversterkte lijnen. |
| FI73341C (fi) * | 1985-08-06 | 1987-09-10 | Outel Oy | Mellanfoerstaerkare som anvaends i tvaoledningsfoerbindelser i ett valbart telefonnaet samt foerfarande foer reglering av dess foerstaerkning. |
Family Cites Families (1)
| 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 |
-
1962
- 1962-03-06 US US177854A patent/US3128353A/en not_active Expired - Lifetime
-
1963
- 1963-02-21 GB GB6985/63A patent/GB1027287A/en not_active Expired
- 1963-02-27 DE DEW33988A patent/DE1166278B/de active Pending
- 1963-03-05 SE SE2389/63A patent/SE302784B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1166278B (de) | 1964-03-26 |
| GB1027287A (en) | 1966-04-27 |
| US3128353A (en) | 1964-04-07 |