FR2264407B1 - - Google Patents

Info

Publication number
FR2264407B1
FR2264407B1 FR7408257A FR7408257A FR2264407B1 FR 2264407 B1 FR2264407 B1 FR 2264407B1 FR 7408257 A FR7408257 A FR 7408257A FR 7408257 A FR7408257 A FR 7408257A FR 2264407 B1 FR2264407 B1 FR 2264407B1
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
FR7408257A
Other languages
French (fr)
Other versions
FR2264407A1 (nl
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
Priority to FR7408257A priority Critical patent/FR2264407B1/fr
Priority to AU78852/75A priority patent/AU485678B2/en
Priority to GB9703/75A priority patent/GB1488590A/en
Priority to IT7548531A priority patent/IT1032256B/it
Priority to NL7502818A priority patent/NL7502818A/nl
Priority to DE19752510574 priority patent/DE2510574A1/de
Priority to BE154222A priority patent/BE826544A/xx
Priority to ZA00751520A priority patent/ZA751520B/xx
Publication of FR2264407A1 publication Critical patent/FR2264407A1/fr
Application granted granted Critical
Publication of FR2264407B1 publication Critical patent/FR2264407B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations 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
    • H01Q19/18—Combinations 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
    • H01Q19/19—Combinations 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
    • H01Q19/195—Combinations 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
    • 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
FR7408257A 1974-03-12 1974-03-12 Expired FR2264407B1 (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7408257A FR2264407B1 (nl) 1974-03-12 1974-03-12
AU78852/75A AU485678B2 (en) 1975-03-06 An antenna witha beam of variable beam width for operation inthe millimetre waveband
GB9703/75A GB1488590A (en) 1974-03-12 1975-03-07 Antenna with a beam of variable aperture for operation in the millimetre waveband
NL7502818A NL7502818A (nl) 1974-03-12 1975-03-10 Bundelantenne met variabele openingshoek voor millimetergolven.
IT7548531A IT1032256B (it) 1974-03-12 1975-03-10 Antenna a fascio d angolo d apertura variabile per onde millimetriche
DE19752510574 DE2510574A1 (de) 1974-03-12 1975-03-11 Millimeterwellenantenne
BE154222A BE826544A (fr) 1974-03-12 1975-03-11 Antenne a faisceau d'angle d'ouverture variable
ZA00751520A ZA751520B (en) 1974-03-12 1975-03-12 An antenna with a beam of variable aperture, for operation in the millimetre waveband

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2264407A1 FR2264407A1 (nl) 1975-10-10
FR2264407B1 true FR2264407B1 (nl) 1978-02-10

Family

ID=9136147

Family Applications (1)

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

Country Status (7)

Country Link
BE (1) BE826544A (nl)
DE (1) DE2510574A1 (nl)
FR (1) FR2264407B1 (nl)
GB (1) GB1488590A (nl)
IT (1) IT1032256B (nl)
NL (1) NL7502818A (nl)
ZA (1) ZA751520B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947910C2 (de) * 1979-11-28 1982-05-27 Siemens AG, 1000 Berlin und 8000 München Cassegrain-Antenne
GB2268834B (en) * 1980-12-04 1994-06-22 Racal Mesl Ltd Radar arrangements and methods of detecting different types of targets
FR2648278A1 (fr) * 1989-06-13 1990-12-14 Europ Agence Spatiale Antenne a faisceaux commutables
DE10344535A1 (de) * 2003-09-25 2005-04-28 Adc Automotive Dist Control Reflektorantenne
DE102007027975A1 (de) * 2007-06-19 2008-12-24 Robert Bosch Gmbh Sensorvorrichtung für ein Kraftfahrzeug

Also Published As

Publication number Publication date
DE2510574A1 (de) 1975-09-18
ZA751520B (en) 1976-02-25
IT1032256B (it) 1979-05-30
GB1488590A (en) 1977-10-12
NL7502818A (nl) 1975-09-16
BE826544A (fr) 1975-06-30
AU7885275A (en) 1976-09-09
FR2264407A1 (nl) 1975-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse