SE7503137L - - Google Patents
Info
- Publication number
- SE7503137L SE7503137L SE7503137A SE7503137A SE7503137L SE 7503137 L SE7503137 L SE 7503137L SE 7503137 A SE7503137 A SE 7503137A SE 7503137 A SE7503137 A SE 7503137A SE 7503137 L SE7503137 L SE 7503137L
- Authority
- SE
- Sweden
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
- G01S1/16—Azimuthal guidance systems, e.g. system for defining aircraft approach path, localiser system
-
- 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
- H01Q13/10—Resonant slot antennas
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/17—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 wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
- H01Q19/175—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 wherein the surfaces are concave the primary radiating source comprising two or more radiating elements arrayed along the focal line of a cylindrical focusing surface
-
- 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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/453,347 US3931624A (en) | 1974-03-21 | 1974-03-21 | Antenna array for aircraft guidance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7503137L true SE7503137L (de) | 1975-09-22 |
Family
ID=23800219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7503137A SE7503137L (de) | 1974-03-21 | 1975-03-19 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3931624A (de) |
| JP (1) | JPS50130341A (de) |
| BE (1) | BE826286A (de) |
| CA (1) | CA1031070A (de) |
| CH (1) | CH579325A5 (de) |
| DE (1) | DE2509923A1 (de) |
| FR (1) | FR2265191A1 (de) |
| GB (1) | GB1442976A (de) |
| IT (1) | IT1034270B (de) |
| NL (1) | NL7502645A (de) |
| SE (1) | SE7503137L (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129872A (en) * | 1976-11-04 | 1978-12-12 | Tull Aviation Corporation | Microwave radiating element and antenna array including linear phase shift progression angular tilt |
| FR2383530A1 (fr) * | 1977-03-11 | 1978-10-06 | Thomson Csf | Antenne reseau non dispersive et son application a la realisation d'une antenne a balayage electronique |
| DE2801371A1 (de) * | 1978-01-13 | 1979-07-19 | Licentia Gmbh | Radarantenne |
| DE2945789A1 (de) * | 1979-11-13 | 1981-05-21 | Siemens AG, 1000 Berlin und 8000 München | Antennenanordnung fuer ein radarrundsuchverfahren zur zielortung mit hoehenerfassung |
| US4538175A (en) * | 1980-07-11 | 1985-08-27 | Microdyne Corporation | Receive only earth satellite ground station |
| JPS5733804A (en) * | 1980-08-07 | 1982-02-24 | Nec Corp | Reflector antenna |
| US4554552A (en) * | 1981-12-21 | 1985-11-19 | Gamma-F Corporation | Antenna feed system with closely coupled amplifier |
| US4748451A (en) * | 1983-09-06 | 1988-05-31 | Edwards Ivan J | Adjustable bracket mount |
| US5087921A (en) * | 1986-10-17 | 1992-02-11 | Hughes Aircraft Company | Array beam position control using compound slots |
| FR2719948B1 (fr) * | 1994-05-10 | 1996-07-19 | Dassault Electronique | Antenne multi-faisceaux pour la réception de micro-ondes émanant de plusieurs satellites. |
| CA2157139A1 (en) * | 1994-09-01 | 1996-03-02 | Thomas C. Weakley | Multiple beam antenna system for simultaneously receiving multiple satellite signals |
| US5659319A (en) * | 1995-12-21 | 1997-08-19 | Cardion, Inc. | Method and apparatus for operating a surface detection surveillance radar using frequency agile pulse transmissions |
| US6107897A (en) * | 1998-01-08 | 2000-08-22 | E*Star, Inc. | Orthogonal mode junction (OMJ) for use in antenna system |
| US6181293B1 (en) * | 1998-01-08 | 2001-01-30 | E*Star, Inc. | Reflector based dielectric lens antenna system including bifocal lens |
| US20050243011A1 (en) * | 2004-04-30 | 2005-11-03 | Hollatz Keith V | Protection device for a satellite signal receiving component |
| US7463191B2 (en) * | 2004-06-17 | 2008-12-09 | New Jersey Institute Of Technology | Antenna beam steering and tracking techniques |
| US6965343B1 (en) * | 2004-06-17 | 2005-11-15 | The Aerospace Corporation | System and method for antenna tracking |
| JP4978682B2 (ja) * | 2009-10-27 | 2012-07-18 | 三菱電機株式会社 | 導波管スロットアレーアンテナ装置 |
| DE102010003327A1 (de) * | 2010-03-26 | 2011-09-29 | Robert Bosch Gmbh | Mikrowellenscanner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2437281A (en) * | 1944-07-19 | 1948-03-09 | Sperry Corp | High-frequency radiant energy apparatus |
| FR1217140A (fr) * | 1958-12-01 | 1960-05-02 | Csf | Perfectionnements aux aériens rayonnant plusieurs faisceaux |
| US3156917A (en) * | 1960-02-22 | 1964-11-10 | Marelli Lenkurt S P A | Antenna reflector and feed with absorbers to reduce back radiation to feed |
| US3135959A (en) * | 1960-03-24 | 1964-06-02 | Decca Ltd | Doppler antenna array employing multiple slotted waveguides with feed switching |
| US3267472A (en) * | 1960-07-20 | 1966-08-16 | Litton Systems Inc | Variable aperture antenna system |
| US3604010A (en) * | 1969-01-30 | 1971-09-07 | Singer General Precision | Antenna array system for generating shaped beams for guidance during aircraft landing |
-
1974
- 1974-03-21 US US05/453,347 patent/US3931624A/en not_active Expired - Lifetime
- 1974-11-01 CA CA212,828A patent/CA1031070A/en not_active Expired
-
1975
- 1975-02-26 GB GB798775A patent/GB1442976A/en not_active Expired
- 1975-03-05 BE BE2054188A patent/BE826286A/xx unknown
- 1975-03-06 NL NL7502645A patent/NL7502645A/xx not_active Application Discontinuation
- 1975-03-07 CH CH292975A patent/CH579325A5/xx not_active IP Right Cessation
- 1975-03-07 DE DE19752509923 patent/DE2509923A1/de active Pending
- 1975-03-13 IT IT21255/75A patent/IT1034270B/it active
- 1975-03-17 FR FR7508230A patent/FR2265191A1/fr not_active Withdrawn
- 1975-03-19 SE SE7503137A patent/SE7503137L/xx unknown
- 1975-03-20 JP JP50034866A patent/JPS50130341A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50130341A (de) | 1975-10-15 |
| BE826286A (fr) | 1975-06-30 |
| GB1442976A (en) | 1976-07-21 |
| CA1031070A (en) | 1978-05-09 |
| IT1034270B (it) | 1979-09-10 |
| CH579325A5 (de) | 1976-08-31 |
| AU7860675A (en) | 1976-08-26 |
| DE2509923A1 (de) | 1975-09-25 |
| FR2265191A1 (de) | 1975-10-17 |
| US3931624A (en) | 1976-01-06 |
| NL7502645A (nl) | 1975-09-23 |