FR2629644B1 - Antenne boucle large bande a alimentation dissymetrique, notamment antenne pour emission, et antenne reseau formee d'une pluralite de telles antennes - Google Patents
Antenne boucle large bande a alimentation dissymetrique, notamment antenne pour emission, et antenne reseau formee d'une pluralite de telles antennesInfo
- Publication number
- FR2629644B1 FR2629644B1 FR8804389A FR8804389A FR2629644B1 FR 2629644 B1 FR2629644 B1 FR 2629644B1 FR 8804389 A FR8804389 A FR 8804389A FR 8804389 A FR8804389 A FR 8804389A FR 2629644 B1 FR2629644 B1 FR 2629644B1
- Authority
- FR
- France
- Prior art keywords
- antenna
- dissymmetric
- antennas
- power supply
- emission
- 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
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
-
- 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
- H01Q19/108—Combination of a dipole with a plane reflecting surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8804389A FR2629644B1 (fr) | 1988-04-01 | 1988-04-01 | Antenne boucle large bande a alimentation dissymetrique, notamment antenne pour emission, et antenne reseau formee d'une pluralite de telles antennes |
EP89400848A EP0337841A1 (fr) | 1988-04-01 | 1989-03-24 | Antenne boucle large bande à alimentation dissymétrique, notamment antenne pour émission, et antenne réseau formée d'une pluralité de telles antennes |
US07/328,447 US4987423A (en) | 1988-04-01 | 1989-03-24 | Wide band loop antenna with disymmetrical feeding, notably antenna for transmission, and array antenna formed by several such antennas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8804389A FR2629644B1 (fr) | 1988-04-01 | 1988-04-01 | Antenne boucle large bande a alimentation dissymetrique, notamment antenne pour emission, et antenne reseau formee d'une pluralite de telles antennes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2629644A1 FR2629644A1 (fr) | 1989-10-06 |
FR2629644B1 true FR2629644B1 (fr) | 1991-11-29 |
Family
ID=9364912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8804389A Expired - Lifetime FR2629644B1 (fr) | 1988-04-01 | 1988-04-01 | Antenne boucle large bande a alimentation dissymetrique, notamment antenne pour emission, et antenne reseau formee d'une pluralite de telles antennes |
Country Status (3)
Country | Link |
---|---|
US (1) | US4987423A (fr) |
EP (1) | EP0337841A1 (fr) |
FR (1) | FR2629644B1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0993019A (ja) * | 1995-09-27 | 1997-04-04 | Harada Ind Co Ltd | 車両用窓ガラスアンテナ |
US5706016A (en) * | 1996-03-27 | 1998-01-06 | Harrison, Ii; Frank B. | Top loaded antenna |
US6911947B1 (en) * | 1999-09-08 | 2005-06-28 | Thomson Licensing S.A. | Method and apparatus for reducing multipath distortion in a television signal |
US6914563B2 (en) * | 2001-01-26 | 2005-07-05 | Agency For Science, Technology And Research | Low cross-polarization broadband suspended plate antennas |
KR20040077052A (ko) * | 2003-02-27 | 2004-09-04 | 한국전자통신연구원 | 광대역 슬롯 안테나 및 그를 이용한 슬롯 배열 안테나 |
GB2438245B (en) * | 2006-05-18 | 2010-05-05 | Deltenna Ltd | Antenna element |
TW200830632A (en) * | 2007-01-05 | 2008-07-16 | Advanced Connection Tech Inc | Circular polarized antenna |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716191A (en) * | 1953-01-16 | 1955-08-23 | Walter E Knoop | Antenna |
US3745583A (en) * | 1971-11-26 | 1973-07-10 | Vorta Syst Inc | Omni-directional transmitting & receiving antenna |
US4070676A (en) * | 1975-10-06 | 1978-01-24 | Ball Corporation | Multiple resonance radio frequency microstrip antenna structure |
US4051477A (en) * | 1976-02-17 | 1977-09-27 | Ball Brothers Research Corporation | Wide beam microstrip radiator |
US4162499A (en) * | 1977-10-26 | 1979-07-24 | The United States Of America As Represented By The Secretary Of The Army | Flush-mounted piggyback microstrip antenna |
US4191959A (en) * | 1978-07-17 | 1980-03-04 | The United States Of America As Represented By The Secretary Of The Army | Microstrip antenna with circular polarization |
JPS57107610A (en) * | 1980-12-25 | 1982-07-05 | Nippon Telegr & Teleph Corp <Ntt> | Circular polarized wave cone beam antenna |
US4554549A (en) * | 1983-09-19 | 1985-11-19 | Raytheon Company | Microstrip antenna with circular ring |
US4719470A (en) * | 1985-05-13 | 1988-01-12 | Ball Corporation | Broadband printed circuit antenna with direct feed |
-
1988
- 1988-04-01 FR FR8804389A patent/FR2629644B1/fr not_active Expired - Lifetime
-
1989
- 1989-03-24 EP EP89400848A patent/EP0337841A1/fr not_active Ceased
- 1989-03-24 US US07/328,447 patent/US4987423A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4987423A (en) | 1991-01-22 |
FR2629644A1 (fr) | 1989-10-06 |
EP0337841A1 (fr) | 1989-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |