DE3025490C2 - - Google Patents

Info

Publication number
DE3025490C2
DE3025490C2 DE3025490A DE3025490A DE3025490C2 DE 3025490 C2 DE3025490 C2 DE 3025490C2 DE 3025490 A DE3025490 A DE 3025490A DE 3025490 A DE3025490 A DE 3025490A DE 3025490 C2 DE3025490 C2 DE 3025490C2
Authority
DE
Germany
Prior art keywords
sector
antenna
signals
microwave
oci
Prior art date
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
Application number
DE3025490A
Other languages
German (de)
English (en)
Other versions
DE3025490A1 (de
Inventor
Mohamed Hassen Woking Surrey Gb Enein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Defence Systems Ltd
Original Assignee
Plessey Overseas Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Plessey Overseas Ltd filed Critical Plessey Overseas Ltd
Publication of DE3025490A1 publication Critical patent/DE3025490A1/de
Application granted granted Critical
Publication of DE3025490C2 publication Critical patent/DE3025490C2/de
Granted legal-status Critical Current

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)
DE19803025490 1979-07-06 1980-07-04 Mikrowellen-landehilfesystem Granted DE3025490A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7923730 1979-07-06

Publications (2)

Publication Number Publication Date
DE3025490A1 DE3025490A1 (de) 1981-01-29
DE3025490C2 true DE3025490C2 (en, 2012) 1989-11-09

Family

ID=10506365

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803025490 Granted DE3025490A1 (de) 1979-07-06 1980-07-04 Mikrowellen-landehilfesystem

Country Status (8)

Country Link
US (2) US4306238A (en, 2012)
JP (1) JPS5653476A (en, 2012)
AU (2) AU532536B2 (en, 2012)
CA (1) CA1152616A (en, 2012)
DE (1) DE3025490A1 (en, 2012)
FR (1) FR2461262A1 (en, 2012)
IT (1) IT1131920B (en, 2012)
NO (1) NO148613C (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10239807A1 (de) * 2002-08-29 2004-04-29 Siemens Ag Verfahren und Sendestation zum Ansteuern einer Antennenanordnung, deren Umfeld in Sektoren unterteilt ist

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
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
KR20120065652A (ko) * 2010-12-13 2012-06-21 한국전자통신연구원 레이더 센서용 ｒｆ 송수신기

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10239807A1 (de) * 2002-08-29 2004-04-29 Siemens Ag Verfahren und Sendestation zum Ansteuern einer Antennenanordnung, deren Umfeld in Sektoren unterteilt ist

Also Published As

Publication number Publication date
IT8023266A0 (it) 1980-07-04
JPS5653476A (en) 1981-05-13
NO148613B (no) 1983-08-01
AU532536B2 (en) 1983-10-06
AU5970280A (en) 1981-01-15
AU6003380A (en) 1981-01-15
US4306238A (en) 1981-12-15
US4306239A (en) 1981-12-15
NO802017L (no) 1981-01-07
AU538623B2 (en) 1984-08-23
NO148613C (no) 1983-11-09
DE3025490A1 (de) 1981-01-29
JPS6243144B2 (en, 2012) 1987-09-11
FR2461262B1 (en, 2012) 1983-11-25
CA1152616A (en) 1983-08-23
FR2461262A1 (fr) 1981-01-30
IT1131920B (it) 1986-06-25

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: PLESSEY OVERSEAS LTD., ILFORD, ESSEX, GB

8128 New person/name/address of the agent

Representative=s name: PRINZ, E., DIPL.-ING. HAUSER, G., DIPL.-CHEM. DR.R

8128 New person/name/address of the agent

Representative=s name: PRINZ, E., DIPL.-ING. LEISER, G., DIPL.-ING., PAT.

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SIEMENS PLESSEY ELECTRONIC SYSTEMS LTD., CHESSINGT

8328 Change in the person/name/address of the agent

Free format text: PRINZ, E., DIPL.-ING. LEISER, G., DIPL.-ING. SCHWEPFINGER, K., DIPL.-ING. BUNKE, H., DIPL.-CHEM. DR.RER.NAT. DEGWERT, H., DIPL.-PHYS., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee