IT8747946A0 - Antenna con due superfici riflettenti e sub-reflettore dispiegabile - Google Patents

Antenna con due superfici riflettenti e sub-reflettore dispiegabile

Info

Publication number
IT8747946A0
IT8747946A0 IT8747946A IT4794687A IT8747946A0 IT 8747946 A0 IT8747946 A0 IT 8747946A0 IT 8747946 A IT8747946 A IT 8747946A IT 4794687 A IT4794687 A IT 4794687A IT 8747946 A0 IT8747946 A0 IT 8747946A0
Authority
IT
Italy
Prior art keywords
reflector
antenna
reflective surfaces
deployable sub
deployable
Prior art date
Application number
IT8747946A
Other languages
English (en)
Other versions
IT1205964B (it
Inventor
Manoni Giovanni
Nisi Enrico
Perrotta Giorgio
Original Assignee
Selenia Spazio Spa
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 Selenia Spazio Spa filed Critical Selenia Spazio Spa
Priority to IT47946/87A priority Critical patent/IT1205964B/it
Publication of IT8747946A0 publication Critical patent/IT8747946A0/it
Priority to EP88107264A priority patent/EP0290969A3/en
Application granted granted Critical
Publication of IT1205964B publication Critical patent/IT1205964B/it

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions [2D], e.g. paraboloidal
    • H01Q15/161—Collapsible reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
IT47946/87A 1987-05-15 1987-05-15 Antenna con due superfici riflettenti e sub-reflettore dispiegabile IT1205964B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT47946/87A IT1205964B (it) 1987-05-15 1987-05-15 Antenna con due superfici riflettenti e sub-reflettore dispiegabile
EP88107264A EP0290969A3 (en) 1987-05-15 1988-05-06 Unfoldable antenna with two reflecting surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47946/87A IT1205964B (it) 1987-05-15 1987-05-15 Antenna con due superfici riflettenti e sub-reflettore dispiegabile

Publications (2)

Publication Number Publication Date
IT8747946A0 true IT8747946A0 (it) 1987-05-15
IT1205964B IT1205964B (it) 1989-04-05

Family

ID=11263532

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47946/87A IT1205964B (it) 1987-05-15 1987-05-15 Antenna con due superfici riflettenti e sub-reflettore dispiegabile

Country Status (2)

Country Link
EP (1) EP0290969A3 (it)
IT (1) IT1205964B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115458907B (zh) * 2022-10-27 2025-07-04 上海航天测控通信研究所 具有可展开式副反射器的多频段高增益反射面天线

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646564A (en) * 1969-03-03 1972-02-29 Raytheon Co Antenna slew system
FR2517626A1 (fr) * 1981-12-04 1983-06-10 Europ Agence Spatiale Engin spatial orbital, notamment satellite, a missions multiples
EP0152221A3 (en) * 1984-02-09 1986-11-05 THE GENERAL ELECTRIC COMPANY, p.l.c. An earth terminal for satellite communication systems
US4771293A (en) * 1984-11-07 1988-09-13 The General Electric Company P.L.C. Dual reflector folding antenna

Also Published As

Publication number Publication date
EP0290969A2 (en) 1988-11-17
EP0290969A3 (en) 1990-03-28
IT1205964B (it) 1989-04-05

Similar Documents

Publication Publication Date Title
FI894285A7 (fi) Antenni
DE68920631D1 (de) Rückstrahlantenne.
FR2622056B1 (fr) Antenne plane
FR2625616B1 (fr) Antenne plane
FR2587548B1 (fr) Reflecteur d'antenne deployable et repliable
FR2645353B1 (fr) Antenne plane
FR2632781B1 (fr) Antenne plane
FR2649250B1 (fr) Travee d'antenne deployable
KR850008061A (ko) 안테나 신축 조작 기구
FR2596207B1 (fr) Reflecteur d'antenne parabolique
FR2566588B1 (fr) Refecteur d'antenne depliable et repliable
FR2646967B1 (fr) Antenne plane
KR900702595A (ko) 능동 안테나
IT1177663B (it) Struttura di antenna a superfici riflettenti
IT8747946A0 (it) Antenna con due superfici riflettenti e sub-reflettore dispiegabile
DE59309507D1 (de) Rundsuchradarantenne in Flachbauweise
KR910700552A (ko) 계량된 이송도파관 및 이를 이용한 평면 어레이 안테나
NO176160C (no) Antenne med parabolsk reflektor
IT8667853A0 (it) Antenna a scansione elettronica a polarizzazione arbitraria o multipla
ATA72188A (de) Antennenanordnung
FI902341A7 (fi) Paraboliheijastinantenni
IT1163580B (it) Antenna a riflettore a due o piu' fasci sagomati e complementari rispetto ad un diagramma di copertura desiderato
FR2630474B1 (fr) Structure deployable couverte
BR8803983A (pt) Isoladores para antenas
IT1231646B (it) Antenna per microonde di tipo cassegrain con polarizzazione incrociata e procedimento per la sua fabbricazione