SE8700921L - Hf-omkopplingsanordning - Google Patents
Hf-omkopplingsanordningInfo
- Publication number
- SE8700921L SE8700921L SE8700921A SE8700921A SE8700921L SE 8700921 L SE8700921 L SE 8700921L SE 8700921 A SE8700921 A SE 8700921A SE 8700921 A SE8700921 A SE 8700921A SE 8700921 L SE8700921 L SE 8700921L
- Authority
- SE
- Sweden
- Prior art keywords
- wave conductor
- aerial
- coupling units
- feeder
- changeover
- Prior art date
Links
- 239000004020 conductor Substances 0.000 abstract 4
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 238000009434 installation Methods 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8700921A SE458488B (sv) | 1987-03-05 | 1987-03-05 | Hf-omkopplingsanordning foer att selektivt foerbinda en saendar/mottagaranordning med utvalda antennelement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8700921A SE458488B (sv) | 1987-03-05 | 1987-03-05 | Hf-omkopplingsanordning foer att selektivt foerbinda en saendar/mottagaranordning med utvalda antennelement |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8700921D0 SE8700921D0 (sv) | 1987-03-05 |
| SE8700921L true SE8700921L (sv) | 1988-09-06 |
| SE458488B SE458488B (sv) | 1989-04-03 |
Family
ID=20367760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8700921A SE458488B (sv) | 1987-03-05 | 1987-03-05 | Hf-omkopplingsanordning foer att selektivt foerbinda en saendar/mottagaranordning med utvalda antennelement |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE458488B (sv) |
-
1987
- 1987-03-05 SE SE8700921A patent/SE458488B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE458488B (sv) | 1989-04-03 |
| SE8700921D0 (sv) | 1987-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE9604759D0 (sv) | Elektroniskt bussystem | |
| KR890009018A (ko) | 분배안테나 장치 | |
| ES8503195A1 (es) | Sistema de mando a distancia para aparatos electricos y electronicos, especialmente para aparatos de la electronica recreativa | |
| SE8700921L (sv) | Hf-omkopplingsanordning | |
| SE9601945D0 (sv) | Anordning och förfarande i ett telesystem | |
| DE3851283D1 (de) | Schaltvorrichtung für Hochfrequenzsignale. | |
| WO2001035640A3 (en) | Signal switching device and method | |
| KR900015482A (ko) | 입출력 전환회로 | |
| EP0401960A3 (en) | Data processing apparatus with a slot for an additional board | |
| EP0390054A3 (en) | Variable optical fiber delay line | |
| TW353181B (en) | Circuit with matched delay word line strap | |
| EP0391326A3 (en) | Microwave switch for the protection of devices in cascade, effective even with equipment turned off | |
| EP0321153A3 (en) | Cancelling circuit and transmission system | |
| JPS6429131A (en) | Transmission/reception antenna sharing system | |
| SU1041377A1 (ru) | Устройство трансл ции сигнала в рельсовой цепи | |
| DE68919334D1 (de) | Zweiteiliges Funktelefon. | |
| JPS5687961A (en) | Multidrop transmitter | |
| JPS55100758A (en) | Fault-point orientation system | |
| JPS52120709A (en) | Common line signal system | |
| JPS5371546A (en) | Branching system fos broad band signal | |
| JPS6462046A (en) | Multiple transmission equipment | |
| JPS56143033A (en) | Input and output interface system | |
| JPS5613854A (en) | Double loop switching system | |
| JPS6436239A (en) | Multiplex transmission equipment | |
| JPS6468032A (en) | Existing/standby switching system for power amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8700921-3 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |