IL85011A - Slot antenna in circular waveguide - Google Patents
Slot antenna in circular waveguideInfo
- Publication number
- IL85011A IL85011A IL85011A IL8501188A IL85011A IL 85011 A IL85011 A IL 85011A IL 85011 A IL85011 A IL 85011A IL 8501188 A IL8501188 A IL 8501188A IL 85011 A IL85011 A IL 85011A
- Authority
- IL
- Israel
- Prior art keywords
- slot antenna
- circular waveguide
- waveguide
- circular
- antenna
- Prior art date
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/006,533 US4825219A (en) | 1987-01-23 | 1987-01-23 | Slot antenna in circular waveguide |
Publications (1)
Publication Number | Publication Date |
---|---|
IL85011A true IL85011A (en) | 1992-02-16 |
Family
ID=21721340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL85011A IL85011A (en) | 1987-01-23 | 1988-01-01 | Slot antenna in circular waveguide |
Country Status (7)
Country | Link |
---|---|
US (1) | US4825219A (xx) |
EP (1) | EP0300024B1 (xx) |
JP (1) | JPH0734525B2 (xx) |
KR (1) | KR910008949B1 (xx) |
DE (1) | DE3869683D1 (xx) |
IL (1) | IL85011A (xx) |
WO (1) | WO1988005609A1 (xx) |
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 (en) * | 2006-05-24 | 2011-08-31 | Wavebender, Inc. | Integrated waveguide antenna and 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 (xx) * | 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/en 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 (en) | 1992-04-01 |
JPH01501911A (ja) | 1989-06-29 |
DE3869683D1 (de) | 1992-05-07 |
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 (en) | 1989-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2208969B (en) | Slot antenna | |
GB2211025B (en) | Planar antenna | |
EP0329079A3 (en) | Slotted waveguide antenna | |
GB8904303D0 (en) | Dual slot antenna | |
GB2195832B (en) | Plane antenna | |
GB2187333B (en) | Plane antenna | |
KR910002932B1 (en) | Antenna | |
GB8719117D0 (en) | Plane antenna | |
EP0301580A3 (en) | Microwave antenna | |
GB2212986B (en) | Antennas | |
GB2212987B (en) | Antennas | |
GB2219143B (en) | Planar antenna | |
IL85011A (en) | Slot antenna in circular waveguide | |
EP0312989A3 (en) | Microwave antenna structure | |
PL271135A1 (en) | Antenna | |
GB2201046B (en) | Antenna | |
GB2211024B (en) | Antenna | |
GB8706699D0 (en) | Antenna | |
GB8727414D0 (en) | Slot antenna | |
GB8728074D0 (en) | Slotted antenna | |
GB8716703D0 (en) | Antenna | |
EP0375416A3 (en) | Plane slot antenna | |
GB2284712B (en) | Antenna | |
GB2235093B (en) | Crossed slot antenna | |
GB8717363D0 (en) | Antenna |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
HC | Change of name of proprietor(s) | ||
KB | Patent renewed | ||
EXP | Patent expired |