FR2394186A1 - Montage periscopique a lobe principal de largeur variable - Google Patents

Montage periscopique a lobe principal de largeur variable

Info

Publication number
FR2394186A1
FR2394186A1 FR7717244A FR7717244A FR2394186A1 FR 2394186 A1 FR2394186 A1 FR 2394186A1 FR 7717244 A FR7717244 A FR 7717244A FR 7717244 A FR7717244 A FR 7717244A FR 2394186 A1 FR2394186 A1 FR 2394186A1
Authority
FR
France
Prior art keywords
reflector
tower
overcome
side panels
compensate
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.)
Granted
Application number
FR7717244A
Other languages
English (en)
Other versions
FR2394186B1 (fr
Inventor
Nhu Bui-Hai
Rene Chevallier
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 FR7717244A priority Critical patent/FR2394186A1/fr
Publication of FR2394186A1 publication Critical patent/FR2394186A1/fr
Application granted granted Critical
Publication of FR2394186B1 publication Critical patent/FR2394186B1/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
    • 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
    • H01Q19/104—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 using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas

Landscapes

  • Aerials With Secondary Devices (AREA)

Abstract

Montage périscopique comportant un dispositif pour augmenter la largeur de son lobe principal lors d'un pointage Le réflecteur passif 3 comporte une partie centrale 30 et des parties périphériques 31, 32, 33, 34. Lors d'un pointage du montage périscopique comportant ce réflecteur, les parties péripheriques sont tournées de 90 degrés autour de charnières telles que 56. La réduction de la surface réfléchissante du réflecteur passif à la seule surface de la partie centrale entraîne une augmentation de la largeur du lobe principal. Application aux montages périscopiques utilisés en faisceaux hertziens.
FR7717244A 1977-06-06 1977-06-06 Montage periscopique a lobe principal de largeur variable Granted FR2394186A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7717244A FR2394186A1 (fr) 1977-06-06 1977-06-06 Montage periscopique a lobe principal de largeur variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7717244A FR2394186A1 (fr) 1977-06-06 1977-06-06 Montage periscopique a lobe principal de largeur variable

Publications (2)

Publication Number Publication Date
FR2394186A1 true FR2394186A1 (fr) 1979-01-05
FR2394186B1 FR2394186B1 (fr) 1980-01-04

Family

ID=9191719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717244A Granted FR2394186A1 (fr) 1977-06-06 1977-06-06 Montage periscopique a lobe principal de largeur variable

Country Status (1)

Country Link
FR (1) FR2394186A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014605A1 (fr) * 1979-02-02 1980-08-20 Thomson-Csf Antenne Cassegrain inversée pour radar à fonctions multiples

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014605A1 (fr) * 1979-02-02 1980-08-20 Thomson-Csf Antenne Cassegrain inversée pour radar à fonctions multiples
FR2448233A1 (fr) * 1979-02-02 1980-08-29 Thomson Csf Antenne cassegrain inversee pour radar a fonctions multiples

Also Published As

Publication number Publication date
FR2394186B1 (fr) 1980-01-04

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Legal Events

Date Code Title Description
ST Notification of lapse