FR2515433A1 - Antenne bidirectionnelle de concentration a hyperfrequences - Google Patents

Antenne bidirectionnelle de concentration a hyperfrequences Download PDF

Info

Publication number
FR2515433A1
FR2515433A1 FR8120036A FR8120036A FR2515433A1 FR 2515433 A1 FR2515433 A1 FR 2515433A1 FR 8120036 A FR8120036 A FR 8120036A FR 8120036 A FR8120036 A FR 8120036A FR 2515433 A1 FR2515433 A1 FR 2515433A1
Authority
FR
France
Prior art keywords
antenna
axis
plane
ring
antenna according
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.)
Pending
Application number
FR8120036A
Other languages
English (en)
French (fr)
Inventor
Tex N Yukl
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.)
NEARD FIELD TECHNOLOGY Inc
Original Assignee
NEARD FIELD TECHNOLOGY 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 GB08131844A priority Critical patent/GB2108325A/en
Application filed by NEARD FIELD TECHNOLOGY Inc filed Critical NEARD FIELD TECHNOLOGY Inc
Priority to FR8120036A priority patent/FR2515433A1/fr
Priority to NL8104945A priority patent/NL8104945A/nl
Priority to DE19813144290 priority patent/DE3144290A1/de
Publication of FR2515433A1 publication Critical patent/FR2515433A1/fr
Pending 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
    • H01Q25/005—Antennas or antenna systems providing at least two radiating patterns providing two patterns of opposite direction; back to back antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/28—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements or conductive elements forming artificial dielectric
    • 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
    • H01Q19/06—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 refracting or diffracting devices, e.g. lens
    • H01Q19/062—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 refracting or diffracting devices, e.g. lens for focusing
    • 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
    • H01Q19/20—Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed

Landscapes

  • Aerials With Secondary Devices (AREA)
FR8120036A 1981-10-22 1981-10-26 Antenne bidirectionnelle de concentration a hyperfrequences Pending FR2515433A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08131844A GB2108325A (en) 1981-10-22 1981-10-22 Bidirectionally focussing antenna
FR8120036A FR2515433A1 (fr) 1981-10-22 1981-10-26 Antenne bidirectionnelle de concentration a hyperfrequences
NL8104945A NL8104945A (nl) 1981-10-22 1981-11-02 Antenne.
DE19813144290 DE3144290A1 (de) 1981-10-22 1981-11-07 Doppelseitig fokussierende antenne

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB08131844A GB2108325A (en) 1981-10-22 1981-10-22 Bidirectionally focussing antenna
FR8120036A FR2515433A1 (fr) 1981-10-22 1981-10-26 Antenne bidirectionnelle de concentration a hyperfrequences
NL8104945A NL8104945A (nl) 1981-10-22 1981-11-02 Antenne.
DE19813144290 DE3144290A1 (de) 1981-10-22 1981-11-07 Doppelseitig fokussierende antenne

Publications (1)

Publication Number Publication Date
FR2515433A1 true FR2515433A1 (fr) 1983-04-29

Family

ID=27432736

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8120036A Pending FR2515433A1 (fr) 1981-10-22 1981-10-26 Antenne bidirectionnelle de concentration a hyperfrequences

Country Status (4)

Country Link
DE (1) DE3144290A1 (nl)
FR (1) FR2515433A1 (nl)
GB (1) GB2108325A (nl)
NL (1) NL8104945A (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331185B (en) * 1983-03-05 1999-09-22 Emi Ltd Antenna arrangement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2161129A5 (nl) * 1971-11-15 1973-07-06 Duroux Jean
US4234844A (en) * 1977-05-02 1980-11-18 Near Field Technology Co. Electromagnetic noncontacting measuring apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2161129A5 (nl) * 1971-11-15 1973-07-06 Duroux Jean
US4234844A (en) * 1977-05-02 1980-11-18 Near Field Technology Co. Electromagnetic noncontacting measuring apparatus

Also Published As

Publication number Publication date
GB2108325A (en) 1983-05-11
DE3144290A1 (de) 1983-05-19
NL8104945A (nl) 1983-06-01

Similar Documents

Publication Publication Date Title
EP2047558B1 (fr) Antenne isotrope et capteur de mesure associe
EP2622685B1 (fr) Reflecteur d'antenne large bande pour une antenne filaire plane a polarisation circulaire et procede de realisation du reflecteur d'antenne
EP1416586B1 (fr) Antenne pourvue d'un assemblage de matériaux filtrant
FR2651608A1 (fr) Antenne plane.
EP0575211A1 (fr) Motif élémentaire d'antenne à large bande passante et antenne-réseau le comportant
EP0454582B1 (fr) Système d'antenne de radiogoniométrie à couverture omnidirectionnelle
EP0012645A1 (fr) Antenne en plaque à double boucle circulaire
EP3063828B1 (fr) Antenne radiofrequence sous-marine
EP3788674A1 (fr) Antenne filaire large bande
FR2515433A1 (fr) Antenne bidirectionnelle de concentration a hyperfrequences
EP1523062B1 (fr) Antenne omnidirectionnelle pour la transmission et/ou la réception de signaux audio et/ou vidéo
EP3724679B1 (fr) Detecteur double technologie a bobines transverses
FR2957462A1 (fr) Dispositif d'antenne comportant une antenne plane et un reflecteur d'antenne large bande et procede de realisation du reflecteur d'antenne
EP0091343B1 (fr) Antenne Cassegrain inversée pour radar à fonction multiple
EP1350285B1 (fr) Sonde electromagnetique
EP0014605B1 (fr) Antenne Cassegrain inversée pour radar à fonctions multiples
EP2469656B1 (fr) Antenne de forte puissance large bande
FR2582158A1 (fr) Antenne d'emission/reception
CA2228631C (fr) Antenne miniature resonnante de type microruban de forme annulaire
EP3211452A1 (fr) Dispositif de detection d'objets portes par un individu
EP2449629B1 (fr) Systeme antennaire compacte omnidirectionnel et large bande comportant deux acces emission et reception separes fortement decouples
EP2469649B1 (fr) Antenne radiofréquence à éléments rayonnants multiples pour émission d'une onde à direction de propagation variable
EP2711729B1 (fr) Antenne réseau pour l'émission d'ondes électromagnétiques et procédé de détermination de la direction d'une cible
WO2007051931A2 (fr) Antenne miniaturisee pour utilisation grand public
FR2605148A1 (fr) Antenne electromagnetique emettrice ou receptrice tres directive