FR2301018B1 - - Google Patents

Info

Publication number
FR2301018B1
FR2301018B1 FR7504279A FR7504279A FR2301018B1 FR 2301018 B1 FR2301018 B1 FR 2301018B1 FR 7504279 A FR7504279 A FR 7504279A FR 7504279 A FR7504279 A FR 7504279A FR 2301018 B1 FR2301018 B1 FR 2301018B1
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
Application number
FR7504279A
Other languages
French (fr)
Other versions
FR2301018A1 (fr
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.)
Raytheon Co
Original Assignee
E Systems Inc
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 E Systems Inc filed Critical E Systems Inc
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 FR2301018A1 (fr) 1976-09-10
FR2301018B1 true 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

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

Also Published As

Publication number Publication date
GB1495582A (en) 1977-12-21
FR2301018A1 (fr) 1976-09-10

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Legal Events

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