FR2603741B1 - Systeme d'antenne directionnelle en azimut, a diagramme cosecante et couverture hemispherique - Google Patents

Systeme d'antenne directionnelle en azimut, a diagramme cosecante et couverture hemispherique

Info

Publication number
FR2603741B1
FR2603741B1 FR8612483A FR8612483A FR2603741B1 FR 2603741 B1 FR2603741 B1 FR 2603741B1 FR 8612483 A FR8612483 A FR 8612483A FR 8612483 A FR8612483 A FR 8612483A FR 2603741 B1 FR2603741 B1 FR 2603741B1
Authority
FR
France
Prior art keywords
cosecant
diagram
antenna system
directional antenna
hemispheric cover
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
FR8612483A
Other languages
English (en)
Other versions
FR2603741A1 (fr
Inventor
Jean Choquer
Mostafa Jelloul
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.)
APPLIC RECH ELECTRONIQUE
Original Assignee
APPLIC RECH ELECTRONIQUE
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 APPLIC RECH ELECTRONIQUE filed Critical APPLIC RECH ELECTRONIQUE
Priority to FR8612483A priority Critical patent/FR2603741B1/fr
Publication of FR2603741A1 publication Critical patent/FR2603741A1/fr
Application granted granted Critical
Publication of FR2603741B1 publication Critical patent/FR2603741B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/242—Circumferential scanning
    • 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
    • H01Q19/102—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 wherein the surfaces are of convex toroïdal shape
FR8612483A 1986-09-05 1986-09-05 Systeme d'antenne directionnelle en azimut, a diagramme cosecante et couverture hemispherique Expired FR2603741B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8612483A FR2603741B1 (fr) 1986-09-05 1986-09-05 Systeme d'antenne directionnelle en azimut, a diagramme cosecante et couverture hemispherique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8612483A FR2603741B1 (fr) 1986-09-05 1986-09-05 Systeme d'antenne directionnelle en azimut, a diagramme cosecante et couverture hemispherique

Publications (2)

Publication Number Publication Date
FR2603741A1 FR2603741A1 (fr) 1988-03-11
FR2603741B1 true FR2603741B1 (fr) 1988-12-09

Family

ID=9338726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8612483A Expired FR2603741B1 (fr) 1986-09-05 1986-09-05 Systeme d'antenne directionnelle en azimut, a diagramme cosecante et couverture hemispherique

Country Status (1)

Country Link
FR (1) FR2603741B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5247843A (en) * 1990-09-19 1993-09-28 Scientific-Atlanta, Inc. Apparatus and methods for simulating electromagnetic environments
IT1290974B1 (it) * 1997-03-12 1998-12-14 Space Engineering Spa Antenna a riflettore sagomato con copertura settoriale

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1392013A (fr) * 1964-01-31 1965-03-12 Nouveaux aériens pour micro-ondes
US3887926A (en) * 1973-11-14 1975-06-03 Singer Co Phased array scanning antenna

Also Published As

Publication number Publication date
FR2603741A1 (fr) 1988-03-11

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Legal Events

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