NL7104543A - - Google Patents
Info
- Publication number
- NL7104543A NL7104543A NL7104543A NL7104543A NL7104543A NL 7104543 A NL7104543 A NL 7104543A NL 7104543 A NL7104543 A NL 7104543A NL 7104543 A NL7104543 A NL 7104543A NL 7104543 A NL7104543 A NL 7104543A
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702016394 DE2016394C3 (de) | 1970-04-06 | 1970-04-06 | Echosperre fur einen Sprechkreis auf einem Vierdraht Übertragungssystem bei einem Übergang auf einen Zweidraht Über tragungsweg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7104543A true NL7104543A (de) | 1971-10-08 |
Family
ID=5767253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7104543A NL7104543A (de) | 1970-04-06 | 1971-04-05 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2016394C3 (de) |
| GB (1) | GB1351296A (de) |
| NL (1) | NL7104543A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4165449A (en) * | 1978-01-03 | 1979-08-21 | Storage Technology Corporation | Echo suppressor circuit |
| 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. |
| DE3606516C1 (de) * | 1986-02-28 | 1987-06-19 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer Freisprech- und Lauthoereinrichtungen bei Fernsprechapparaten |
-
1970
- 1970-04-06 DE DE19702016394 patent/DE2016394C3/de not_active Expired
-
1971
- 1971-04-05 NL NL7104543A patent/NL7104543A/xx unknown
- 1971-04-19 GB GB2536571A patent/GB1351296A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2016394B2 (de) | 1973-05-03 |
| DE2016394C3 (de) | 1973-11-15 |
| DE2016394A1 (de) | 1971-10-21 |
| GB1351296A (en) | 1974-04-24 |