SE437749B - Anordning for radioelektrisk transmission vid superhog frekvens och med multipelstralknippen - Google Patents
Anordning for radioelektrisk transmission vid superhog frekvens och med multipelstralknippenInfo
- Publication number
- SE437749B SE437749B SE7711893A SE7711893A SE437749B SE 437749 B SE437749 B SE 437749B SE 7711893 A SE7711893 A SE 7711893A SE 7711893 A SE7711893 A SE 7711893A SE 437749 B SE437749 B SE 437749B
- Authority
- SE
- Sweden
- Prior art keywords
- superhog
- frequency
- electric transmission
- multiple beam
- radio electric
- Prior art date
Links
Classifications
-
- 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
- H04B7/204—Multiple access
- H04B7/2041—Spot beam multiple access
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
-
- 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
- H01Q3/245—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 in the focal plane of a focussing device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7631936A FR2368836A1 (fr) | 1976-10-22 | 1976-10-22 | Dispositif de transmission radio-electrique hyperfrequence a faisceaux multiples commutables |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7711893L SE7711893L (sv) | 1978-06-14 |
SE437749B true SE437749B (sv) | 1985-03-11 |
Family
ID=9179111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7711893A SE437749B (sv) | 1976-10-22 | 1977-10-21 | Anordning for radioelektrisk transmission vid superhog frekvens och med multipelstralknippen |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2747391A1 (sv) |
FR (1) | FR2368836A1 (sv) |
GB (1) | GB1534487A (sv) |
IT (1) | IT1117657B (sv) |
SE (1) | SE437749B (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3461605A (en) * | 1966-11-04 | 1969-08-19 | Lawrence E Stanhope | Greenhouse |
US4471361A (en) * | 1982-09-23 | 1984-09-11 | Rca Corporation | Phase reconfigurable beam antenna system |
FR2560446B1 (fr) * | 1984-01-05 | 1986-05-30 | Europ Agence Spatiale | Repartiteur de puissance pour antenne a faisceaux multiples a elements sources partages |
DE3402659A1 (de) * | 1984-01-26 | 1985-08-01 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Reflektorantenne fuer den betrieb in mehreren frequenzbereichen |
FR2628896B1 (fr) * | 1988-03-18 | 1990-11-16 | Alcatel Espace | Antenne a reconfiguration electronique en emission |
US5289193A (en) * | 1990-11-29 | 1994-02-22 | Alcatel Espace | Reconfigurable transmission antenna |
FR2670052B1 (fr) * | 1990-11-29 | 1993-07-30 | Alcatel Espace | Antenne emission reconfigurable. |
FR2684809B1 (fr) * | 1991-12-09 | 1994-01-21 | Alcatel Espace | Antenne passive multifaisceaux a reflecteur(s) conforme (s). |
US10938108B2 (en) * | 2016-12-08 | 2021-03-02 | At&T Intellectual Property I, L.P. | Frequency selective multi-feed dielectric antenna system and methods for use therewith |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1288858A (fr) * | 1961-02-15 | 1962-03-30 | Csf | Antenne pouvant émettre simultanément ou successivement plusieurs faisceaux |
US3618097A (en) * | 1963-06-17 | 1971-11-02 | Raytheon Co | Antenna array system |
US3711855A (en) * | 1969-10-15 | 1973-01-16 | Communications Satellite Corp | Satellite on-board switching utilizing space-division and spot beam antennas |
US3710281A (en) * | 1970-12-10 | 1973-01-09 | Itt | Lossless n-port frequency multiplexer |
-
1976
- 1976-10-22 FR FR7631936A patent/FR2368836A1/fr active Granted
-
1977
- 1977-10-19 GB GB4359177A patent/GB1534487A/en not_active Expired
- 1977-10-21 SE SE7711893A patent/SE437749B/sv not_active IP Right Cessation
- 1977-10-21 IT IT959977A patent/IT1117657B/it active
- 1977-10-21 DE DE19772747391 patent/DE2747391A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB1534487A (en) | 1978-12-06 |
DE2747391A1 (de) | 1978-04-27 |
FR2368836B1 (sv) | 1981-02-27 |
IT1117657B (it) | 1986-02-17 |
FR2368836A1 (fr) | 1978-05-19 |
SE7711893L (sv) | 1978-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7711893-3 Effective date: 19891023 Format of ref document f/p: F |