BE844601A - Circuit pour l'introduction et l'extraction de signaux additionnels dans des installations a liaison hertziennes - Google Patents
Circuit pour l'introduction et l'extraction de signaux additionnels dans des installations a liaison hertziennesInfo
- Publication number
- BE844601A BE844601A BE169313A BE169313A BE844601A BE 844601 A BE844601 A BE 844601A BE 169313 A BE169313 A BE 169313A BE 169313 A BE169313 A BE 169313A BE 844601 A BE844601 A BE 844601A
- Authority
- BE
- Belgium
- Prior art keywords
- installations
- introduction
- extraction
- radio
- linked
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15535—Control of relay amplifier gain
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752533711 DE2533711C2 (de) | 1975-07-28 | Schaltung zur Ein- und Auskopplung von Zusatzsignalen bei Richtfunkanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE844601A true BE844601A (fr) | 1976-11-16 |
Family
ID=5952642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE169313A BE844601A (fr) | 1975-07-28 | 1976-07-28 | Circuit pour l'introduction et l'extraction de signaux additionnels dans des installations a liaison hertziennes |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS597248B2 (fi) |
| BE (1) | BE844601A (fi) |
| DK (1) | DK337276A (fi) |
| ES (1) | ES450224A1 (fi) |
| FI (1) | FI63139C (fi) |
| FR (1) | FR2320010A1 (fi) |
| GB (1) | GB1557193A (fi) |
| IE (1) | IE44371B1 (fi) |
| IT (1) | IT1067158B (fi) |
| LU (1) | LU75151A1 (fi) |
| NL (1) | NL172201C (fi) |
| NO (1) | NO142645C (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126839U (ja) * | 1983-02-08 | 1984-08-27 | 長屋産業株式会社 | テイツシユケ−スカバ− |
-
1976
- 1976-06-11 LU LU75151A patent/LU75151A1/xx unknown
- 1976-06-24 GB GB26226/76A patent/GB1557193A/en not_active Expired
- 1976-07-02 IE IE1463/76A patent/IE44371B1/en unknown
- 1976-07-12 FR FR7621296A patent/FR2320010A1/fr active Granted
- 1976-07-16 JP JP51084920A patent/JPS597248B2/ja not_active Expired
- 1976-07-16 NO NO762504A patent/NO142645C/no unknown
- 1976-07-27 FI FI762144A patent/FI63139C/fi not_active IP Right Cessation
- 1976-07-27 DK DK337276A patent/DK337276A/da unknown
- 1976-07-27 IT IT25727/76A patent/IT1067158B/it active
- 1976-07-28 NL NLAANVRAGE7608353,A patent/NL172201C/xx not_active IP Right Cessation
- 1976-07-28 BE BE169313A patent/BE844601A/xx unknown
- 1976-07-28 ES ES450224A patent/ES450224A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1557193A (en) | 1979-12-05 |
| FR2320010B1 (fi) | 1980-11-28 |
| DE2533711A1 (fi) | 1976-12-02 |
| IE44371B1 (en) | 1981-11-04 |
| NO142645C (no) | 1980-09-24 |
| ES450224A1 (es) | 1977-09-01 |
| DK337276A (da) | 1977-01-29 |
| LU75151A1 (fi) | 1977-01-25 |
| IT1067158B (it) | 1985-03-12 |
| NL172201B (nl) | 1983-02-16 |
| FI63139C (fi) | 1983-04-11 |
| FI762144A (fi) | 1977-01-29 |
| FR2320010A1 (fr) | 1977-02-25 |
| AU1570176A (en) | 1976-11-11 |
| JPS597248B2 (ja) | 1984-02-17 |
| NO142645B (no) | 1980-06-09 |
| NL172201C (nl) | 1983-07-18 |
| DE2533711B1 (de) | 1976-12-02 |
| NL7608353A (nl) | 1977-02-01 |
| IE44371L (en) | 1977-01-28 |
| NO762504L (fi) | 1977-01-31 |
| FI63139B (fi) | 1982-12-31 |
| JPS5216120A (en) | 1977-02-07 |
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