AU7885275A - An antenna witha beam of variable beam width for operation inthe millimetre waveband - Google Patents

An antenna witha beam of variable beam width for operation inthe millimetre waveband

Info

Publication number
AU7885275A
AU7885275A AU78852/75A AU7885275A AU7885275A AU 7885275 A AU7885275 A AU 7885275A AU 78852/75 A AU78852/75 A AU 78852/75A AU 7885275 A AU7885275 A AU 7885275A AU 7885275 A AU7885275 A AU 7885275A
Authority
AU
Australia
Prior art keywords
witha
antenna
variable
beam width
millimetre waveband
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
AU78852/75A
Other versions
AU485678B2 (en
Inventor
Badani Lucien
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of AU7885275A publication Critical patent/AU7885275A/en
Publication of AU485678B2 publication Critical patent/AU485678B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H01Q19/195Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
AU78852/75A 1975-03-06 An antenna witha beam of variable beam width for operation inthe millimetre waveband Expired AU485678B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7408257A FR2264407B1 (en) 1974-03-12 1974-03-12

Publications (2)

Publication Number Publication Date
AU7885275A true AU7885275A (en) 1976-09-09
AU485678B2 AU485678B2 (en) 1976-09-09

Family

ID=

Also Published As

Publication number Publication date
GB1488590A (en) 1977-10-12
IT1032256B (en) 1979-05-30
FR2264407A1 (en) 1975-10-10
FR2264407B1 (en) 1978-02-10
BE826544A (en) 1975-06-30
DE2510574A1 (en) 1975-09-18
NL7502818A (en) 1975-09-16
ZA751520B (en) 1976-02-25

Similar Documents

Publication Publication Date Title
CA994470A (en) Multiple-beam cassegrainian antenna
CA983584A (en) Laser-radio frequency energy beam system
CA1031070A (en) Antenna array for aircraft guidance system
AU500520B2 (en) Radio direction finders
CA1002785A (en) Extended range dual-path transmission
CA1029127A (en) Simplified doppler antenna system
CA1000481A (en) Variable curvature beam
CA998107A (en) Microwave spectrometer
CA1009382A (en) X-ray beam flattener
CA1022264A (en) Time-sharing-two frequency laser
CA1011074A (en) Structural beam
ZA751520B (en) An antenna with a beam of variable aperture, for operation in the millimetre waveband
CA995727A (en) Electron beam control system
AU485678B2 (en) An antenna witha beam of variable beam width for operation inthe millimetre waveband
CA1034017A (en) Stabilized hydromechanical servo system
CA993124A (en) Magnetic beam deflector system
CA1006255A (en) Variable stripe width semiconductor laser
CA1003559A (en) Stripline slotted balun dipole antenna
CA1033419A (en) Radar receivers
AU479462B2 (en) Electron beam deflection circuit
CA1025069A (en) Signal attenuator
AU479072B2 (en) Long range radio tracking equipment
AU493340B2 (en) Structural beam
AU499177B2 (en) Di thio carbamoyl compounds
CA1001084A (en) Variable gain control circuit