IT1054228B - Metodo di radionavigazione relati vo alla pendenza della traietto ria di discesa a fasci multipli - Google Patents
Metodo di radionavigazione relati vo alla pendenza della traietto ria di discesa a fasci multipliInfo
- Publication number
- IT1054228B IT1054228B IT19347/76A IT1934776A IT1054228B IT 1054228 B IT1054228 B IT 1054228B IT 19347/76 A IT19347/76 A IT 19347/76A IT 1934776 A IT1934776 A IT 1934776A IT 1054228 B IT1054228 B IT 1054228B
- Authority
- IT
- Italy
- Prior art keywords
- traiet
- radionavigation
- ria
- descent
- slope
- Prior art date
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
- G01S1/18—Elevational guidance systems, e.g. system for defining aircraft glide path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/549,946 US3971026A (en) | 1975-02-14 | 1975-02-14 | Multiple beam glide slope radio navigation method with two classes of beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1054228B true IT1054228B (it) | 1981-11-10 |
Family
ID=24195046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19347/76A IT1054228B (it) | 1975-02-14 | 1976-01-16 | Metodo di radionavigazione relati vo alla pendenza della traietto ria di discesa a fasci multipli |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3971026A (it) |
| BE (1) | BE838528A (it) |
| CA (1) | CA1054699A (it) |
| FR (1) | FR2301019A1 (it) |
| GB (1) | GB1506821A (it) |
| IT (1) | IT1054228B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2309842B (en) * | 1995-03-07 | 1997-09-17 | Stephen Joseph Robinson | Radio interferometric antenna for angle coding |
| US5812091A (en) * | 1996-02-01 | 1998-09-22 | Robinson; Stephen J. | Radio interferometric antenna for angle coding |
| US7672640B2 (en) * | 2006-04-05 | 2010-03-02 | Emscan Corporation | Multichannel absorberless near field measurement system |
| TWI422838B (zh) * | 2006-04-05 | 2014-01-11 | Emscan Corp | 多頻道無吸收器之近場測量系統 |
| JP2017534051A (ja) | 2014-11-12 | 2017-11-16 | イーエムスキャン コーポレイション | リアクティブ近傍界アンテナ測定 |
| EP3460909A1 (en) * | 2017-09-20 | 2019-03-27 | Oxbridge Pulsar Sources Ltd. | Equatorially and near-equatorially radiating arc-shaped polarization current antennas and related methods |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3487411A (en) * | 1968-08-22 | 1969-12-30 | Singer General Precision | Multiple-beam guidance means for aircraft approach and landing |
-
1975
- 1975-02-14 US US05/549,946 patent/US3971026A/en not_active Expired - Lifetime
-
1976
- 1976-01-16 IT IT19347/76A patent/IT1054228B/it active
- 1976-02-03 GB GB4145/76A patent/GB1506821A/en not_active Expired
- 1976-02-03 CA CA244869A patent/CA1054699A/en not_active Expired
- 1976-02-06 FR FR7603328A patent/FR2301019A1/fr not_active Withdrawn
- 1976-02-13 BE BE2054825A patent/BE838528A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU1035976A (en) | 1977-07-21 |
| GB1506821A (en) | 1978-04-12 |
| CA1054699A (en) | 1979-05-15 |
| FR2301019A1 (fr) | 1976-09-10 |
| BE838528A (fr) | 1976-05-28 |
| US3971026A (en) | 1976-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2310589A1 (fr) | Montre-bracelet | |
| CH1206174A4 (fr) | Montre-bracelet électronique | |
| IT1102147B (it) | Struttura di antenna a microstriscia | |
| ATA312775A (de) | Uhrarmband | |
| SE7612837L (sv) | Metallkonstruktion | |
| IT1097004B (it) | Regolatore per stabilizzare la posizione di un satellite | |
| IT1057979B (it) | Antenni a riduzione selettiva di guardagno | |
| DK147134C (da) | Forbindelsesorgan | |
| BR7607175A (pt) | Relogio eletronico | |
| IT1054228B (it) | Metodo di radionavigazione relati vo alla pendenza della traietto ria di discesa a fasci multipli | |
| SE420875B (sv) | Elektrisk ackumulator vars endpoler har inlegg av metall | |
| BR7701284A (pt) | Relogio eletronico | |
| JPS5293766A (en) | Improvement of organic compound | |
| BR7607512A (pt) | Cronometro eletronico | |
| IT1105117B (it) | Orologio bussola | |
| IT1098382B (it) | Struttura di emodializzatore | |
| FR2298820A3 (fr) | Montre-chronographe electronique | |
| IT1065206B (it) | Disposizione circuitale per misurare la precisione di funzionamento di un orologio elettronico | |
| IT1065127B (it) | Procedimento di idroformilazione di un composto olefinico | |
| BR7606831A (pt) | Relogio eletronico | |
| IT1072244B (it) | Dispositivo a sdraio ottenuto con impiego di un paio di sci | |
| DD136958A5 (de) | Aethyltoluol-isomerengemisch | |
| FR2331827A1 (fr) | Chronometre electronique | |
| BR7606838A (pt) | Relogio eletronico | |
| PT65302B (de) | Wasserlosliches saures saponin |