DE3869683D1 - Rundhohlleiterschlitzantenne. - Google Patents
Rundhohlleiterschlitzantenne.Info
- Publication number
- DE3869683D1 DE3869683D1 DE8888901695T DE3869683T DE3869683D1 DE 3869683 D1 DE3869683 D1 DE 3869683D1 DE 8888901695 T DE8888901695 T DE 8888901695T DE 3869683 T DE3869683 T DE 3869683T DE 3869683 D1 DE3869683 D1 DE 3869683D1
- Authority
- DE
- Germany
- Prior art keywords
- round tube
- tube slot
- slot aerial
- aerial
- round
- 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
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/001—Crossed polarisation dual antennas
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
- H01Q21/0043—Slotted waveguides
- H01Q21/0062—Slotted waveguides the slots being disposed around the feeding waveguide
-
- 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
- H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/006,533 US4825219A (en) | 1987-01-23 | 1987-01-23 | Slot antenna in circular waveguide |
PCT/US1988/000164 WO1988005609A1 (en) | 1987-01-23 | 1988-01-22 | Slot antenna in circular waveguide |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3869683D1 true DE3869683D1 (de) | 1992-05-07 |
Family
ID=21721340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888901695T Expired - Fee Related DE3869683D1 (de) | 1987-01-23 | 1988-01-22 | Rundhohlleiterschlitzantenne. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4825219A (de) |
EP (1) | EP0300024B1 (de) |
JP (1) | JPH0734525B2 (de) |
KR (1) | KR910008949B1 (de) |
DE (1) | DE3869683D1 (de) |
IL (1) | IL85011A (de) |
WO (1) | WO1988005609A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4872020A (en) * | 1987-01-23 | 1989-10-03 | Hughes Aircraft Company | Slot antenna in circular waveguide |
US5487875A (en) * | 1991-11-05 | 1996-01-30 | Canon Kabushiki Kaisha | Microwave introducing device provided with an endless circular waveguide and plasma treating apparatus provided with said device |
DE4445851A1 (de) | 1994-12-22 | 1996-06-27 | Daimler Benz Aerospace Ag | Rundstrahlantenne und Verfahren zu deren Herstellung |
US5905380A (en) * | 1995-05-08 | 1999-05-18 | Eaton Corporation | Electromagnetic wave, reflective type, low cost, active proximity sensor for harsh environments |
US7436371B1 (en) * | 2006-01-31 | 2008-10-14 | Rockwell Collins, Inc. | Waveguide crescent slot array for low-loss, low-profile dual-polarization antenna |
EP2020053B1 (de) * | 2006-05-24 | 2011-08-31 | Wavebender, Inc. | Integrierte wellenleiterantenne und array |
US20080303739A1 (en) * | 2007-06-07 | 2008-12-11 | Thomas Edward Sharon | Integrated multi-beam antenna receiving system with improved signal distribution |
WO2010068954A1 (en) * | 2008-12-12 | 2010-06-17 | Wavebender, Inc. | Integrated waveguide cavity antenna and reflector dish |
DE102011001569A1 (de) * | 2011-03-25 | 2012-09-27 | Technische Universität Carolo-Wilhelmina Zu Braunschweig | Verfahren und Anordnung zum Modellieren von Antennen-Abstrahlcharakeristiken |
DE102013012551A1 (de) * | 2013-07-25 | 2015-02-26 | KATHREIN Sachsen GmbH | Bodenantenne |
US10439275B2 (en) * | 2016-06-24 | 2019-10-08 | Ford Global Technologies, Llc | Multiple orientation antenna for vehicle communication |
US10680335B2 (en) * | 2016-11-01 | 2020-06-09 | Ferrite Microwave Technologies LLC | Resonant antenna for generating circularly-polarized signal with multiple modes |
US11682841B2 (en) | 2021-09-16 | 2023-06-20 | Eagle Technology, Llc | Communications device with helically wound conductive strip and related antenna devices and methods |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756421A (en) * | 1946-01-05 | 1956-07-24 | George G Harvey | Beacon antenna |
US2724774A (en) * | 1952-06-03 | 1955-11-22 | Rca Corp | Slotted cylinder antenna |
US2812514A (en) * | 1953-04-14 | 1957-11-05 | Carl E Smith | Spiral slot antenna |
US2982960A (en) * | 1958-08-29 | 1961-05-02 | Hughes Aircraft Co | Arbitrarily polarized slot radiator |
US3032762A (en) * | 1959-01-02 | 1962-05-01 | John L Kerr | Circularly arrayed slot antenna |
US3281851A (en) * | 1963-05-24 | 1966-10-25 | Hughes Aircraft Co | Dual mode slot antenna |
US3328800A (en) * | 1964-03-12 | 1967-06-27 | North American Aviation Inc | Slot antenna utilizing variable standing wave pattern for controlling slot excitation |
FR1595075A (de) * | 1968-12-13 | 1970-06-08 | ||
US3720953A (en) * | 1972-02-02 | 1973-03-13 | Hughes Aircraft Co | Dual polarized slot elements in septated waveguide cavity |
GB1475111A (en) * | 1974-01-23 | 1977-06-01 | Microwave & Electronic Syst | Intrusion sensor |
US4266228A (en) * | 1977-09-12 | 1981-05-05 | International Telephone And Telegraph Corporation | Circularly polarized crossed slot waveguide antenna array |
US4197541A (en) * | 1977-12-19 | 1980-04-08 | International Telephone And Telegraph Corporation | Polarization agile planar array |
US4613869A (en) * | 1983-12-16 | 1986-09-23 | Hughes Aircraft Company | Electronically scanned array antenna |
-
1987
- 1987-01-23 US US07/006,533 patent/US4825219A/en not_active Expired - Fee Related
-
1988
- 1988-01-01 IL IL85011A patent/IL85011A/xx not_active IP Right Cessation
- 1988-01-22 DE DE8888901695T patent/DE3869683D1/de not_active Expired - Fee Related
- 1988-01-22 EP EP88901695A patent/EP0300024B1/de not_active Expired - Lifetime
- 1988-01-22 KR KR1019880701149A patent/KR910008949B1/ko not_active IP Right Cessation
- 1988-01-22 WO PCT/US1988/000164 patent/WO1988005609A1/en active IP Right Grant
- 1988-01-22 JP JP63501704A patent/JPH0734525B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0300024B1 (de) | 1992-04-01 |
JPH01501911A (ja) | 1989-06-29 |
IL85011A (en) | 1992-02-16 |
WO1988005609A1 (en) | 1988-07-28 |
JPH0734525B2 (ja) | 1995-04-12 |
US4825219A (en) | 1989-04-25 |
KR890700935A (ko) | 1989-04-28 |
KR910008949B1 (ko) | 1991-10-26 |
EP0300024A1 (de) | 1989-01-25 |
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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: RAYTHEON CO. (N.D.GES.D. STAATES DELAWARE), LEXING |
|
8339 | Ceased/non-payment of the annual fee |