GB1495582A - Two frequency localizer system - Google Patents

Two frequency localizer system

Info

Publication number
GB1495582A
GB1495582A GB5580/75A GB558075A GB1495582A GB 1495582 A GB1495582 A GB 1495582A GB 5580/75 A GB5580/75 A GB 5580/75A GB 558075 A GB558075 A GB 558075A GB 1495582 A GB1495582 A GB 1495582A
Authority
GB
United Kingdom
Prior art keywords
lines
course
clearance
beams
signals
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
GB5580/75A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB5580/75A priority Critical patent/GB1495582A/en
Priority to FR7504279A priority patent/FR2301018A1/fr
Publication of GB1495582A publication Critical patent/GB1495582A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB5580/75A 1975-02-10 1975-02-10 Two frequency localizer system Expired GB1495582A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB5580/75A GB1495582A (en) 1975-02-10 1975-02-10 Two frequency localizer system
FR7504279A FR2301018A1 (fr) 1975-02-10 1975-02-11 Dispositif de radioguidage a deux frequences

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5580/75A GB1495582A (en) 1975-02-10 1975-02-10 Two frequency localizer system
FR7504279A FR2301018A1 (fr) 1975-02-10 1975-02-11 Dispositif de radioguidage a deux frequences

Publications (1)

Publication Number Publication Date
GB1495582A true GB1495582A (en) 1977-12-21

Family

ID=26218730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5580/75A Expired GB1495582A (en) 1975-02-10 1975-02-10 Two frequency localizer system

Country Status (2)

Country Link
FR (1) FR2301018A1 (enExample)
GB (1) GB1495582A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0227005A3 (en) * 1985-12-21 1987-11-19 Rohde & Schwarz Gmbh & Co. Kg Transmitting device comprising two microwave transmitters radiating different frequencies with different radiation patterns

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1062551A (en) * 1963-04-26 1967-03-22 Standard Telephones Cables Ltd Radio guidance systems
US3325812A (en) * 1965-05-13 1967-06-13 Henry H Butts Capture effect glide slope system
US3711857A (en) * 1971-04-07 1973-01-16 Scanwell Labor Inc Capture effect system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0227005A3 (en) * 1985-12-21 1987-11-19 Rohde & Schwarz Gmbh & Co. Kg Transmitting device comprising two microwave transmitters radiating different frequencies with different radiation patterns

Also Published As

Publication number Publication date
FR2301018B1 (enExample) 1978-12-08
FR2301018A1 (fr) 1976-09-10

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Legal Events

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

Effective date: 19940210