DE69315707D1 - Wendelantennensystem - Google Patents
WendelantennensystemInfo
- Publication number
- DE69315707D1 DE69315707D1 DE69315707T DE69315707T DE69315707D1 DE 69315707 D1 DE69315707 D1 DE 69315707D1 DE 69315707 T DE69315707 T DE 69315707T DE 69315707 T DE69315707 T DE 69315707T DE 69315707 D1 DE69315707 D1 DE 69315707D1
- Authority
- DE
- Germany
- Prior art keywords
- antenna system
- cooling antenna
- cooling
- antenna
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/067—Two dimensional planar arrays using endfire radiating aerial units transverse to the plane of the array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92403593 | 1992-12-30 | ||
PCT/EP1993/003726 WO1994016472A1 (en) | 1992-12-30 | 1993-12-30 | Helical antenna system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69315707D1 true DE69315707D1 (de) | 1998-01-22 |
DE69315707T2 DE69315707T2 (de) | 1998-04-02 |
Family
ID=8211740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69315707T Expired - Lifetime DE69315707T2 (de) | 1992-12-30 | 1993-12-30 | Wendelantennensystem |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0677212B1 (de) |
JP (1) | JP3334134B2 (de) |
KR (1) | KR100300937B1 (de) |
DE (1) | DE69315707T2 (de) |
ES (1) | ES2111903T3 (de) |
WO (1) | WO1994016472A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2157139A1 (en) * | 1994-09-01 | 1996-03-02 | Thomas C. Weakley | Multiple beam antenna system for simultaneously receiving multiple satellite signals |
US6121939A (en) | 1996-11-15 | 2000-09-19 | Yagi Antenna Co., Ltd. | Multibeam antenna |
US6107897A (en) * | 1998-01-08 | 2000-08-22 | E*Star, Inc. | Orthogonal mode junction (OMJ) for use in antenna system |
US6160520A (en) * | 1998-01-08 | 2000-12-12 | E★Star, Inc. | Distributed bifocal abbe-sine for wide-angle multi-beam and scanning antenna system |
KR20110006953A (ko) * | 2009-07-15 | 2011-01-21 | 위월드 주식회사 | 역중앙 급전방식의 헬릭스 급전 광대역 안테나 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1570700A (de) * | 1968-04-24 | 1969-06-13 | ||
JPS5945283B2 (ja) * | 1977-09-01 | 1984-11-05 | 三菱電機株式会社 | パラボラアンテナ |
JPS6437107A (en) * | 1987-07-31 | 1989-02-07 | Sharp Kk | Antenna system |
FR2653941B1 (fr) * | 1989-10-31 | 1992-02-28 | Thomson Lgt | Antenne de reception multifocale a direction de pointage unique pour plusieurs satellites. |
JPH1037107A (ja) * | 1996-07-22 | 1998-02-10 | Kensetsu Kiso Eng Co Ltd | 吊り道路 |
-
1993
- 1993-12-30 ES ES94904615T patent/ES2111903T3/es not_active Expired - Lifetime
- 1993-12-30 KR KR1019950702712A patent/KR100300937B1/ko not_active IP Right Cessation
- 1993-12-30 DE DE69315707T patent/DE69315707T2/de not_active Expired - Lifetime
- 1993-12-30 WO PCT/EP1993/003726 patent/WO1994016472A1/en active IP Right Grant
- 1993-12-30 EP EP94904615A patent/EP0677212B1/de not_active Expired - Lifetime
- 1993-12-30 JP JP51565994A patent/JP3334134B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH08506701A (ja) | 1996-07-16 |
DE69315707T2 (de) | 1998-04-02 |
WO1994016472A1 (en) | 1994-07-21 |
KR960700537A (ko) | 1996-01-20 |
ES2111903T3 (es) | 1998-03-16 |
EP0677212A1 (de) | 1995-10-18 |
JP3334134B2 (ja) | 2002-10-15 |
EP0677212B1 (de) | 1997-12-10 |
KR100300937B1 (ko) | 2001-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |