FR2301018A1 - Dispositif de radioguidage a deux frequences - Google Patents

Dispositif de radioguidage a deux frequences

Info

Publication number
FR2301018A1
FR2301018A1 FR7504279A FR7504279A FR2301018A1 FR 2301018 A1 FR2301018 A1 FR 2301018A1 FR 7504279 A FR7504279 A FR 7504279A FR 7504279 A FR7504279 A FR 7504279A FR 2301018 A1 FR2301018 A1 FR 2301018A1
Authority
FR
France
Prior art keywords
guidance device
frequency radio
radio guidance
frequency
radio
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.)
Granted
Application number
FR7504279A
Other languages
English (en)
French (fr)
Other versions
FR2301018B1 (enExample
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
Priority to GB5580/75A priority Critical patent/GB1495582A/en
Application filed by Individual filed Critical Individual
Priority to FR7504279A priority patent/FR2301018A1/fr
Publication of FR2301018A1 publication Critical patent/FR2301018A1/fr
Application granted granted Critical
Publication of FR2301018B1 publication Critical patent/FR2301018B1/fr
Granted 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)
FR7504279A 1975-02-10 1975-02-11 Dispositif de radioguidage a deux frequences Granted FR2301018A1 (fr)

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 (2)

Publication Number Publication Date
FR2301018A1 true FR2301018A1 (fr) 1976-09-10
FR2301018B1 FR2301018B1 (enExample) 1978-12-08

Family

ID=26218730

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504279A Granted FR2301018A1 (fr) 1975-02-10 1975-02-11 Dispositif de radioguidage a deux frequences

Country Status (2)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0227005B1 (de) * 1985-12-21 1991-07-24 Rohde & Schwarz GmbH & Co. KG Sendeeinrichtung für mindestens zwei auf unterschiedlichen Sendefrequenzen und mit unterschiedlichen Strahlungsdiagrammen abstrahlende Hochfrequenzsender

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305866A (en) * 1963-04-26 1967-02-21 Int Standard Electric Corp Radio course line beacon radiating a clearance signal
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305866A (en) * 1963-04-26 1967-02-21 Int Standard Electric Corp Radio course line beacon radiating a clearance signal
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

Also Published As

Publication number Publication date
FR2301018B1 (enExample) 1978-12-08
GB1495582A (en) 1977-12-21

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse