FR2461262B1 - - Google Patents
Info
- Publication number
- FR2461262B1 FR2461262B1 FR8014976A FR8014976A FR2461262B1 FR 2461262 B1 FR2461262 B1 FR 2461262B1 FR 8014976 A FR8014976 A FR 8014976A FR 8014976 A FR8014976 A FR 8014976A FR 2461262 B1 FR2461262 B1 FR 2461262B1
- Authority
- FR
- France
- 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
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
- G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
- G01S1/54—Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Vending Machines For Individual Products (AREA)
- Casting Devices For Molds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7923730 | 1979-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2461262A1 FR2461262A1 (fr) | 1981-01-30 |
| FR2461262B1 true FR2461262B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-11-25 |
Family
ID=10506365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8014976A Granted FR2461262A1 (fr) | 1979-07-06 | 1980-07-04 | Procede de balayage de faisceau d'ondes en hyperfrequences pour systeme d'atterrissage et appareil destine a la mise en oeuvre de ce procede |
Country Status (8)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489326A (en) * | 1982-03-15 | 1984-12-18 | Canadian Marconi Company | Time reference scanning beam microwave landing system |
| FR2549321B1 (fr) * | 1983-06-21 | 1986-04-11 | Thomson Csf | Procede d'augmentation de portee, et notamment de protection contre le brouillage, d'un systeme d'aide a l'atterrissage de type mls, et dispositifs de mise en oeuvre d'un tel procede |
| US4677442A (en) * | 1984-05-29 | 1987-06-30 | Hazeltine Corporation | Microwave landing system with ±90 degree azimuth clearance guidance and 360 degree data coverage |
| US4647926A (en) * | 1984-07-27 | 1987-03-03 | Allied Corporation | Warning system for microwave landing system airborne receiver |
| US4723126A (en) * | 1985-04-04 | 1988-02-02 | Sundstrand Data Control, Inc. | Microwave landing system for use on a back course approach |
| US4635064A (en) * | 1985-04-04 | 1987-01-06 | Sundstrand Data Control, Inc. | Microwave landing system |
| USRE33401E (en) * | 1985-04-04 | 1990-10-23 | Sundstrand Data Control, Inc. | Microwave landing system |
| US4825216A (en) * | 1985-12-04 | 1989-04-25 | Hughes Aircraft Company | High efficiency optical limited scan antenna |
| US4912479A (en) * | 1986-03-26 | 1990-03-27 | Nec Corporation | Microwave landing system |
| US4811022A (en) * | 1986-10-31 | 1989-03-07 | Cafarelli Nicholas J | Scanning antenna having phase center diversity |
| US4819000A (en) * | 1987-08-10 | 1989-04-04 | Micronav Ltd. | Scanning antenna having amplitude and phase distribution diversity |
| DE10239807A1 (de) * | 2002-08-29 | 2004-04-29 | Siemens Ag | Verfahren und Sendestation zum Ansteuern einer Antennenanordnung, deren Umfeld in Sektoren unterteilt ist |
| US6965343B1 (en) * | 2004-06-17 | 2005-11-15 | The Aerospace Corporation | System and method for antenna tracking |
| US7463191B2 (en) * | 2004-06-17 | 2008-12-09 | New Jersey Institute Of Technology | Antenna beam steering and tracking techniques |
| KR20120065652A (ko) * | 2010-12-13 | 2012-06-21 | 한국전자통신연구원 | 레이더 센서용 ｒｆ 송수신기 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3806935A (en) * | 1970-07-13 | 1974-04-23 | Tull Aviation Corp | Radio navigational aid with separate standard frequency signal |
| US3757337A (en) * | 1970-09-11 | 1973-09-04 | G Litchford | Aircraft instrument landing system |
| US4041492A (en) | 1976-03-19 | 1977-08-09 | Tull Aviation Corporation | Radio navigation with separate correlated scans to avoid reflection interference |
| US4129870A (en) * | 1977-09-30 | 1978-12-12 | Tull Aviation Corporation | Apparatus for synthesis of scanning beam |
| GB2023940B (en) | 1978-06-15 | 1983-02-02 | Plessey Co Ltd | Directional arrays |
| US4178581A (en) * | 1978-11-03 | 1979-12-11 | The Bendix Corporation | Integrated antenna aperture |
-
1980
- 1980-06-24 US US06/162,443 patent/US4306238A/en not_active Expired - Lifetime
- 1980-06-24 US US06/162,444 patent/US4306239A/en not_active Expired - Lifetime
- 1980-06-27 AU AU59702/80A patent/AU532536B2/en not_active Ceased
- 1980-07-02 AU AU60033/80A patent/AU538623B2/en not_active Ceased
- 1980-07-04 IT IT23266/80A patent/IT1131920B/it active
- 1980-07-04 NO NO802017A patent/NO148613C/no unknown
- 1980-07-04 DE DE19803025490 patent/DE3025490A1/de active Granted
- 1980-07-04 FR FR8014976A patent/FR2461262A1/fr active Granted
- 1980-07-07 JP JP9259080A patent/JPS5653476A/ja active Granted
- 1980-07-07 CA CA000355632A patent/CA1152616A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4306238A (en) | 1981-12-15 |
| JPS6243144B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-09-11 |
| AU532536B2 (en) | 1983-10-06 |
| NO802017L (no) | 1981-01-07 |
| FR2461262A1 (fr) | 1981-01-30 |
| JPS5653476A (en) | 1981-05-13 |
| US4306239A (en) | 1981-12-15 |
| NO148613C (no) | 1983-11-09 |
| CA1152616A (en) | 1983-08-23 |
| IT1131920B (it) | 1986-06-25 |
| IT8023266A0 (it) | 1980-07-04 |
| AU538623B2 (en) | 1984-08-23 |
| DE3025490C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-11-09 |
| NO148613B (no) | 1983-08-01 |
| DE3025490A1 (de) | 1981-01-29 |
| AU6003380A (en) | 1981-01-15 |
| AU5970280A (en) | 1981-01-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |