FR2149342B1 - - Google Patents
Info
- Publication number
- FR2149342B1 FR2149342B1 FR7221647A FR7221647A FR2149342B1 FR 2149342 B1 FR2149342 B1 FR 2149342B1 FR 7221647 A FR7221647 A FR 7221647A FR 7221647 A FR7221647 A FR 7221647A FR 2149342 B1 FR2149342 B1 FR 2149342B1
- Authority
- FR
- France
- 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
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
- H01Q25/004—Antennas or antenna systems providing at least two radiating patterns providing two or four symmetrical beams for Janus application
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17190071A | 1971-08-16 | 1971-08-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2149342A1 FR2149342A1 (enrdf_load_stackoverflow) | 1973-03-30 |
| FR2149342B1 true FR2149342B1 (enrdf_load_stackoverflow) | 1977-04-01 |
Family
ID=22625572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7221647A Expired FR2149342B1 (enrdf_load_stackoverflow) | 1971-08-16 | 1972-06-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3721988A (enrdf_load_stackoverflow) |
| JP (1) | JPS5413744B2 (enrdf_load_stackoverflow) |
| CA (1) | CA941473A (enrdf_load_stackoverflow) |
| FR (1) | FR2149342B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1341512A (enrdf_load_stackoverflow) |
| IT (1) | IT963693B (enrdf_load_stackoverflow) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347516A (en) * | 1980-07-09 | 1982-08-31 | The Singer Company | Rectangular beam shaping antenna employing microstrip radiators |
| SE456237B (sv) * | 1985-08-09 | 1988-09-19 | Christensen Jan Arhur | Segelbat med svengbar mast |
| US4698639A (en) * | 1986-01-14 | 1987-10-06 | The Singer Company | Circularly polarized leaky waveguide doppler antenna |
| JP2611573B2 (ja) * | 1991-07-01 | 1997-05-21 | 石川島播磨重工業株式会社 | 海洋構造物の減揺装置 |
| US5266961A (en) * | 1991-08-29 | 1993-11-30 | Hughes Aircraft Company | Continuous transverse stub element devices and methods of making same |
| JP2519854B2 (ja) * | 1991-12-26 | 1996-07-31 | 八木アンテナ株式会社 | アンテナ装置 |
| SE505796C2 (sv) * | 1996-01-19 | 1997-10-13 | Ericsson Telefon Ab L M | Dubbelt polariserad antenn |
| DE19636850A1 (de) * | 1996-09-11 | 1998-03-12 | Daimler Benz Aerospace Ag | Phasengesteuerte Antenne |
| JP3865573B2 (ja) * | 2000-02-29 | 2007-01-10 | アンリツ株式会社 | 誘電体漏れ波アンテナ |
| US20090073066A1 (en) * | 2007-09-14 | 2009-03-19 | M/A-Com, Inc. | Grid Antenna |
| US9997838B2 (en) | 2010-09-29 | 2018-06-12 | Siklu Communication ltd. | Millimeter-wave slot antenna systems and methods with improved gain |
| EP2819574B1 (en) * | 2012-03-01 | 2019-01-02 | Syracuse University | Enhanced electronic external fetal monitoring system |
| US11929556B2 (en) | 2020-09-08 | 2024-03-12 | Raytheon Company | Multi-beam passively-switched patch antenna array |
| CN113471707B (zh) * | 2021-07-26 | 2023-07-21 | 江苏亨鑫科技有限公司 | 一种阵列源设计的超宽频漏泄同轴电缆 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3083362A (en) * | 1960-02-19 | 1963-03-26 | Gen Precision Inc | Microwave beaming system |
| US3137856A (en) * | 1961-11-30 | 1964-06-16 | Maxson Electronics Corp | Side-by-side slotted waveguides coupled to an angularly disposed feed guide |
| US3281851A (en) * | 1963-05-24 | 1966-10-25 | Hughes Aircraft Co | Dual mode slot antenna |
| US3508275A (en) * | 1968-03-12 | 1970-04-21 | Singer General Precision | Doppler array with interleaved transmitting and receiving slotted waveguides |
| US3599216A (en) * | 1969-08-11 | 1971-08-10 | Nasa | Virtual-wall slot circularly polarized planar array antenna |
-
1971
- 1971-08-16 US US00171900A patent/US3721988A/en not_active Expired - Lifetime
-
1972
- 1972-05-05 GB GB2104272A patent/GB1341512A/en not_active Expired
- 1972-05-10 CA CA141,822A patent/CA941473A/en not_active Expired
- 1972-06-15 FR FR7221647A patent/FR2149342B1/fr not_active Expired
- 1972-06-22 JP JP6278572A patent/JPS5413744B2/ja not_active Expired
- 1972-08-03 IT IT27834/72A patent/IT963693B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2240305B2 (de) | 1977-07-14 |
| JPS5413744B2 (enrdf_load_stackoverflow) | 1979-06-01 |
| JPS4829347A (enrdf_load_stackoverflow) | 1973-04-18 |
| FR2149342A1 (enrdf_load_stackoverflow) | 1973-03-30 |
| US3721988A (en) | 1973-03-20 |
| DE2240305A1 (de) | 1973-02-22 |
| IT963693B (it) | 1974-01-21 |
| GB1341512A (enrdf_load_stackoverflow) | 1973-12-25 |
| CA941473A (en) | 1974-02-05 |