ATE87772T1 - Winkeldiversity-radiosystem fuer troposphaerenfunkverbindungen. - Google Patents
Winkeldiversity-radiosystem fuer troposphaerenfunkverbindungen.Info
- Publication number
- ATE87772T1 ATE87772T1 AT87201253T AT87201253T ATE87772T1 AT E87772 T1 ATE87772 T1 AT E87772T1 AT 87201253 T AT87201253 T AT 87201253T AT 87201253 T AT87201253 T AT 87201253T AT E87772 T1 ATE87772 T1 AT E87772T1
- Authority
- AT
- Austria
- Prior art keywords
- troposphere
- antenna horns
- radio
- diversity
- angle diversity
- Prior art date
Links
Classifications
-
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
-
- 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
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Radio Transmission System (AREA)
- Circuits Of Receivers In General (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT21777/86A IT1200024B (it) | 1986-09-22 | 1986-09-22 | Sistema irradiante a diversita' angloare per radiocollegamenti a diffusione troposferica |
| EP87201253A EP0261699B1 (de) | 1986-09-22 | 1987-07-01 | Winkeldiversity-Radiosystem für Troposphärenfunkverbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE87772T1 true ATE87772T1 (de) | 1993-04-15 |
Family
ID=11186710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87201253T ATE87772T1 (de) | 1986-09-22 | 1987-07-01 | Winkeldiversity-radiosystem fuer troposphaerenfunkverbindungen. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4794400A (de) |
| EP (1) | EP0261699B1 (de) |
| AT (1) | ATE87772T1 (de) |
| AU (1) | AU599397B2 (de) |
| DE (1) | DE3785122T2 (de) |
| ES (1) | ES2041675T3 (de) |
| IT (1) | IT1200024B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3740651A1 (de) * | 1987-12-01 | 1989-06-22 | Messerschmitt Boelkow Blohm | Vorrichtung zur einstellung der polarisationsebene |
| DE4009322A1 (de) * | 1990-03-23 | 1991-09-26 | Ant Nachrichtentech | Speisesystem einer fuer winkeldiversity-betrieb vorgesehenen reflektorantenne |
| JPH07212137A (ja) * | 1994-01-14 | 1995-08-11 | Yokowo Co Ltd | コンバータ |
| US6121939A (en) * | 1996-11-15 | 2000-09-19 | Yagi Antenna Co., Ltd. | Multibeam antenna |
| US7623084B2 (en) * | 2006-09-12 | 2009-11-24 | General Dynamics C4 Systems, Inc. | Angular diversity antenna system and feed assembly for same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988736A (en) * | 1974-11-29 | 1976-10-26 | Communications Satellite Corporation (Comsat) | Steerable feed for toroidal antennas |
| DE2752680A1 (de) * | 1977-11-25 | 1979-05-31 | Siemens Ag | Richtantenne fuer sehr kurze elektromagnetische wellen |
| DE2942557C2 (de) * | 1979-10-22 | 1983-01-27 | Siemens AG, 1000 Berlin und 8000 München | Richtantennenanordnung bzw. Richtantenne für einen Störsender |
| IT1197781B (it) * | 1986-07-18 | 1988-12-06 | Gte Telecom Spa | Sistema irradiante a diversita' angolare per radiocollegamenti a diffusione troposferica |
-
1986
- 1986-09-22 IT IT21777/86A patent/IT1200024B/it active
-
1987
- 1987-07-01 ES ES198787201253T patent/ES2041675T3/es not_active Expired - Lifetime
- 1987-07-01 AT AT87201253T patent/ATE87772T1/de not_active IP Right Cessation
- 1987-07-01 EP EP87201253A patent/EP0261699B1/de not_active Expired - Lifetime
- 1987-07-01 DE DE8787201253T patent/DE3785122T2/de not_active Expired - Fee Related
- 1987-07-13 AU AU75607/87A patent/AU599397B2/en not_active Ceased
- 1987-09-21 US US07/099,365 patent/US4794400A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT1200024B (it) | 1989-01-05 |
| ES2041675T3 (es) | 1993-12-01 |
| DE3785122T2 (de) | 1993-09-02 |
| AU7560787A (en) | 1988-03-24 |
| DE3785122D1 (de) | 1993-05-06 |
| EP0261699B1 (de) | 1993-03-31 |
| AU599397B2 (en) | 1990-07-19 |
| EP0261699A3 (en) | 1989-11-08 |
| US4794400A (en) | 1988-12-27 |
| IT8621777A0 (it) | 1986-09-22 |
| EP0261699A2 (de) | 1988-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |