IT1137602B - Antenna a microonde perfezionata per sistemi di navigazione doppler - Google Patents
Antenna a microonde perfezionata per sistemi di navigazione dopplerInfo
- Publication number
- IT1137602B IT1137602B IT22833/81A IT2283381A IT1137602B IT 1137602 B IT1137602 B IT 1137602B IT 22833/81 A IT22833/81 A IT 22833/81A IT 2283381 A IT2283381 A IT 2283381A IT 1137602 B IT1137602 B IT 1137602B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- navigation systems
- microwave antenna
- doppler navigation
- doppler
- Prior art date
Links
Classifications
-
- 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
- H01Q21/065—Patch antenna array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/167,285 US4347516A (en) | 1980-07-09 | 1980-07-09 | Rectangular beam shaping antenna employing microstrip radiators |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8122833A0 IT8122833A0 (it) | 1981-07-09 |
IT8122833A1 IT8122833A1 (it) | 1983-01-09 |
IT1137602B true IT1137602B (it) | 1986-09-10 |
Family
ID=22606720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22833/81A IT1137602B (it) | 1980-07-09 | 1981-07-09 | Antenna a microonde perfezionata per sistemi di navigazione doppler |
Country Status (11)
Country | Link |
---|---|
US (1) | US4347516A (it) |
JP (1) | JPS5742202A (it) |
AU (1) | AU539953B2 (it) |
CA (1) | CA1158766A (it) |
DE (1) | DE3124380A1 (it) |
FR (1) | FR2486723A1 (it) |
GB (2) | GB2094558B (it) |
IL (1) | IL62971A (it) |
IT (1) | IT1137602B (it) |
NO (1) | NO153280C (it) |
SE (1) | SE449807B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4746923A (en) * | 1982-05-17 | 1988-05-24 | The Singer Company | Gamma feed microstrip antenna |
US4633262A (en) * | 1982-09-27 | 1986-12-30 | Rogers Corporation | Microstrip antenna with protective casing |
US4605931A (en) * | 1984-09-14 | 1986-08-12 | The Singer Company | Crossover traveling wave feed for microstrip antenna array |
US4603332A (en) * | 1984-09-14 | 1986-07-29 | The Singer Company | Interleaved microstrip planar array |
US4644360A (en) * | 1985-01-28 | 1987-02-17 | The Singer Company | Microstrip space duplexed antenna |
FR2583927A1 (fr) * | 1985-06-24 | 1986-12-26 | Hurwic Aleksander | Antenne reseau pour emission et/ou reception d'ondes electromagnetiques |
US4780723A (en) * | 1986-02-21 | 1988-10-25 | The Singer Company | Microstrip antenna compressed feed |
US4730193A (en) * | 1986-03-06 | 1988-03-08 | The Singer Company | Microstrip antenna bulk load |
DE3716858A1 (de) * | 1987-05-20 | 1988-12-15 | Licentia Gmbh | Flugzeug-radarantenne |
DE3821215C2 (de) * | 1988-06-23 | 1993-11-18 | Deutsche Aerospace | Geschwindigkeits-Wegstrecken-Sensor für Kraftfahrzeuganordnungen |
US5165109A (en) * | 1989-01-19 | 1992-11-17 | Trimble Navigation | Microwave communication antenna |
GB8902421D0 (en) * | 1989-02-03 | 1989-03-22 | Secr Defence | Antenna array |
GB9003817D0 (en) * | 1990-02-20 | 1990-04-18 | Secr Defence | Frequency-scanned antenna arrays |
US5289196A (en) * | 1992-11-23 | 1994-02-22 | Gec-Marconi Electronic Systems Corp. | Space duplexed beamshaped microstrip antenna system |
US5333002A (en) * | 1993-05-14 | 1994-07-26 | Gec-Marconi Electronic Systems Corp. | Full aperture interleaved space duplexed beamshaped microstrip antenna system |
GB9401361D0 (en) * | 1994-01-25 | 1994-03-23 | Philips Electronics Uk Ltd | A radar system |
US6399863B2 (en) | 1998-12-24 | 2002-06-04 | Logistix Limited | Musical instrument |
US9653799B2 (en) * | 2010-11-16 | 2017-05-16 | Raytheon Company | Method and apparatus for controlling sidelobes of an active antenna array |
USD744985S1 (en) * | 2013-02-08 | 2015-12-08 | Ubiquiti Networks, Inc. | Radio system |
DE102013203789A1 (de) * | 2013-03-06 | 2014-09-11 | Robert Bosch Gmbh | Antennenanordnung mit veränderlicher Richtcharakteristik |
US10439297B2 (en) * | 2016-06-16 | 2019-10-08 | Sony Corporation | Planar antenna array |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2967301A (en) * | 1957-10-15 | 1961-01-03 | Gen Precision Inc | Selective directional slotted waveguide antenna |
US2983920A (en) * | 1958-03-27 | 1961-05-09 | Gen Precision Inc | Planar array of microwave antennas |
FR1204446A (fr) * | 1958-03-31 | 1960-01-26 | Decca Record Co Ltd | Perfectionnements apportés aux antennes radioélectriques |
US3423752A (en) * | 1966-12-08 | 1969-01-21 | Gen Precision Systems Inc | Triangular linear array configuration |
US3508275A (en) * | 1968-03-12 | 1970-04-21 | Singer General Precision | Doppler array with interleaved transmitting and receiving slotted waveguides |
US3721988A (en) * | 1971-08-16 | 1973-03-20 | Singer Co | Leaky wave guide planar array antenna |
US3997900A (en) * | 1975-03-12 | 1976-12-14 | The Singer Company | Four beam printed antenna for Doopler application |
US4180817A (en) * | 1976-05-04 | 1979-12-25 | Ball Corporation | Serially connected microstrip antenna array |
US4180818A (en) * | 1978-02-13 | 1979-12-25 | The Singer Company | Doppler navigation microstrip slanted antenna |
-
1980
- 1980-07-09 US US06/167,285 patent/US4347516A/en not_active Expired - Lifetime
-
1981
- 1981-05-27 IL IL62971A patent/IL62971A/xx not_active IP Right Cessation
- 1981-06-02 AU AU71247/81A patent/AU539953B2/en not_active Ceased
- 1981-06-03 GB GB8212328A patent/GB2094558B/en not_active Expired
- 1981-06-03 GB GB8117012A patent/GB2080041B/en not_active Expired
- 1981-06-08 CA CA000379245A patent/CA1158766A/en not_active Expired
- 1981-06-19 FR FR8112076A patent/FR2486723A1/fr active Granted
- 1981-06-22 DE DE19813124380 patent/DE3124380A1/de not_active Ceased
- 1981-06-24 JP JP56098141A patent/JPS5742202A/ja active Granted
- 1981-07-06 SE SE8104196A patent/SE449807B/sv not_active IP Right Cessation
- 1981-07-08 NO NO812322A patent/NO153280C/no unknown
- 1981-07-09 IT IT22833/81A patent/IT1137602B/it active
Also Published As
Publication number | Publication date |
---|---|
AU539953B2 (en) | 1984-10-25 |
IT8122833A0 (it) | 1981-07-09 |
SE8104196L (sv) | 1982-01-10 |
DE3124380A1 (de) | 1982-06-24 |
NO812322L (no) | 1982-01-11 |
GB2080041A (en) | 1982-01-27 |
IL62971A (en) | 1984-03-30 |
JPH0342521B2 (it) | 1991-06-27 |
CA1158766A (en) | 1983-12-13 |
GB2094558B (en) | 1984-03-21 |
US4347516A (en) | 1982-08-31 |
SE449807B (sv) | 1987-05-18 |
NO153280C (no) | 1986-02-12 |
JPS5742202A (en) | 1982-03-09 |
GB2080041B (en) | 1984-03-07 |
NO153280B (no) | 1985-11-04 |
FR2486723B1 (it) | 1984-07-20 |
IT8122833A1 (it) | 1983-01-09 |
GB2094558A (en) | 1982-09-15 |
AU7124781A (en) | 1982-01-14 |
FR2486723A1 (fr) | 1982-01-15 |
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