DE3785120D1 - Primaer-empfangseinheit fuer polarisierte mikrowellen, parabolantenne und empfangsstelle mit solcher einheit. - Google Patents
Primaer-empfangseinheit fuer polarisierte mikrowellen, parabolantenne und empfangsstelle mit solcher einheit.Info
- Publication number
- DE3785120D1 DE3785120D1 DE8787201772T DE3785120T DE3785120D1 DE 3785120 D1 DE3785120 D1 DE 3785120D1 DE 8787201772 T DE8787201772 T DE 8787201772T DE 3785120 T DE3785120 T DE 3785120T DE 3785120 D1 DE3785120 D1 DE 3785120D1
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- unit
- primaer
- parabola antenna
- polarized microwaves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
- H01P1/17—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation
- H01P1/172—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation using a dielectric element
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8613139A FR2604304B1 (fr) | 1986-09-19 | 1986-09-19 | Tete de reception pour micro-ondes polarisees, antenne parabolique et station de reception munies d'une telle tete de reception |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3785120D1 true DE3785120D1 (de) | 1993-05-06 |
DE3785120T2 DE3785120T2 (de) | 1993-09-30 |
Family
ID=9339111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87201772T Expired - Fee Related DE3785120T2 (de) | 1986-09-19 | 1987-09-16 | Primär-Empfangseinheit für polarisierte Mikrowellen, Parabolantenne und Empfangsstelle mit solcher Einheit. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4806945A (de) |
EP (1) | EP0260766B1 (de) |
JP (1) | JPS6382101A (de) |
DE (1) | DE3785120T2 (de) |
FR (1) | FR2604304B1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9008033D0 (en) * | 1990-04-09 | 1990-06-06 | Marconi Electronic Devices | Polariser arrangement |
EP0452022A1 (de) * | 1990-04-09 | 1991-10-16 | Plessey Semiconductors Limited | Polarisieranordnung |
US5061037A (en) * | 1990-10-22 | 1991-10-29 | Hughes Aircraft Company | Dual septum polarization rotator |
US6121939A (en) | 1996-11-15 | 2000-09-19 | Yagi Antenna Co., Ltd. | Multibeam antenna |
US6052099A (en) * | 1997-10-31 | 2000-04-18 | Yagi Antenna Co., Ltd. | Multibeam antenna |
JP2002111303A (ja) * | 2000-09-27 | 2002-04-12 | Alps Electric Co Ltd | 円偏波発生器 |
US7772940B2 (en) * | 2008-05-16 | 2010-08-10 | Optim Microwave, Inc. | Rotatable polarizer device using a hollow dielectric tube and feed network using the same |
KR101919581B1 (ko) | 2011-03-09 | 2018-11-19 | 트라네 앤드 트라네 아/에스 | 회전형 디폴라라이저를 사용하여 직선형 편파 및 원형 편파를 절환하는 장치 |
US8643560B2 (en) | 2011-03-11 | 2014-02-04 | Optim Microwave, Inc. | Rotatable polarizer/filter device and feed network using the same |
US8653906B2 (en) | 2011-06-01 | 2014-02-18 | Optim Microwave, Inc. | Opposed port ortho-mode transducer with ridged branch waveguide |
US8994474B2 (en) | 2012-04-23 | 2015-03-31 | Optim Microwave, Inc. | Ortho-mode transducer with wide bandwidth branch port |
WO2014108203A1 (en) * | 2013-01-11 | 2014-07-17 | Thrane & Thrane A/S | A polarizer and a method of operating the polarizer |
JP2018087840A (ja) * | 2016-11-28 | 2018-06-07 | 日本電信電話株式会社 | 光和演算装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2607849A (en) * | 1943-10-02 | 1952-08-19 | Edward M Purcell | Control of polarization in wave guides and wave guide systems |
US3215957A (en) * | 1962-03-05 | 1965-11-02 | Bendix Corp | Variable polarization for microwaves |
US3720947A (en) * | 1963-12-30 | 1973-03-13 | Us Navy | Polarization device for radar antenna |
US3988732A (en) * | 1965-12-22 | 1976-10-26 | The United States Of America As Represented By The Secretary Of The Navy | 3-Channel selectable polarization, target discrimination antenna |
US4528528A (en) * | 1982-04-02 | 1985-07-09 | Boman Industries | Waveguide polarization coupling |
JPS5955601A (ja) * | 1982-09-24 | 1984-03-30 | Sony Corp | 1/4波長の遅相素子及び右旋−左旋円偏波切換装置 |
US4672388A (en) * | 1984-06-15 | 1987-06-09 | Fay Grim | Polarized signal receiver waveguides and probe |
US4613836A (en) * | 1985-11-12 | 1986-09-23 | Westinghouse Electric Corp. | Device for switching between linear and circular polarization using rotation in an axis across a square waveguide |
JPS62189801A (ja) * | 1986-02-15 | 1987-08-19 | Yokowo Mfg Co Ltd | 円偏波および直線偏波切換装置 |
-
1986
- 1986-09-19 FR FR8613139A patent/FR2604304B1/fr not_active Expired
-
1987
- 1987-09-16 DE DE87201772T patent/DE3785120T2/de not_active Expired - Fee Related
- 1987-09-16 EP EP87201772A patent/EP0260766B1/de not_active Expired - Lifetime
- 1987-09-16 JP JP62229929A patent/JPS6382101A/ja active Pending
- 1987-09-18 US US07/098,354 patent/US4806945A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3785120T2 (de) | 1993-09-30 |
EP0260766A1 (de) | 1988-03-23 |
FR2604304A1 (fr) | 1988-03-25 |
JPS6382101A (ja) | 1988-04-12 |
US4806945A (en) | 1989-02-21 |
EP0260766B1 (de) | 1993-03-31 |
FR2604304B1 (fr) | 1989-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |