GB1375221A - - Google Patents

Info

Publication number
GB1375221A
GB1375221A GB538972A GB538972A GB1375221A GB 1375221 A GB1375221 A GB 1375221A GB 538972 A GB538972 A GB 538972A GB 538972 A GB538972 A GB 538972A GB 1375221 A GB1375221 A GB 1375221A
Authority
GB
United Kingdom
Prior art keywords
aircraft
runway
unit
reflector
bearing
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
GB538972A
Other languages
English (en)
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
Priority claimed from FR7013217A external-priority patent/FR2085354B1/fr
Priority claimed from FR717103732A external-priority patent/FR2124085B2/fr
Application filed filed Critical
Publication of GB1375221A publication Critical patent/GB1375221A/en
Expired 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/913—Radar or analogous systems specially adapted for specific applications for traffic control for landing purposes
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
    • G01S13/935—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft for terrain-avoidance

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB538972A 1970-04-13 1972-02-04 Expired GB1375221A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7013217A FR2085354B1 (enrdf_load_stackoverflow) 1970-04-13 1970-04-13
FR717103732A FR2124085B2 (enrdf_load_stackoverflow) 1971-02-04 1971-02-04

Publications (1)

Publication Number Publication Date
GB1375221A true GB1375221A (enrdf_load_stackoverflow) 1974-11-27

Family

ID=26215674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB538972A Expired GB1375221A (enrdf_load_stackoverflow) 1970-04-13 1972-02-04

Country Status (1)

Country Link
GB (1) GB1375221A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224903A (en) * 1988-10-26 1990-05-16 Marconi Co Ltd Aircraft landing approach system
GB2259622A (en) * 1991-09-13 1993-03-17 Datong Electronics Ltd Mobile direction finder
GB2303508A (en) * 1989-03-03 1997-02-19 Marconi Gec Ltd Ranging system beam steering
US6628228B1 (en) 1990-08-16 2003-09-30 Bae Systems Electronics Limited Ranging system beam steering

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224903A (en) * 1988-10-26 1990-05-16 Marconi Co Ltd Aircraft landing approach system
GB2303508A (en) * 1989-03-03 1997-02-19 Marconi Gec Ltd Ranging system beam steering
GB2303508B (en) * 1989-03-03 1997-07-09 Marconi Gec Ltd Ranging system beam steering
US6628228B1 (en) 1990-08-16 2003-09-30 Bae Systems Electronics Limited Ranging system beam steering
GB2259622A (en) * 1991-09-13 1993-03-17 Datong Electronics Ltd Mobile direction finder
US5280293A (en) * 1991-09-13 1994-01-18 Datong Electronics Limited Mobile direction finder
GB2259622B (en) * 1991-09-13 1994-11-30 Datong Electronics Ltd Mobile direction finder

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee