IT1051413B - CASSEGRAIN ANTENNA WITH ROTATION SYMMETRY - Google Patents

CASSEGRAIN ANTENNA WITH ROTATION SYMMETRY

Info

Publication number
IT1051413B
IT1051413B IT3051275A IT3051275A IT1051413B IT 1051413 B IT1051413 B IT 1051413B IT 3051275 A IT3051275 A IT 3051275A IT 3051275 A IT3051275 A IT 3051275A IT 1051413 B IT1051413 B IT 1051413B
Authority
IT
Italy
Prior art keywords
rotation symmetry
cassegrain antenna
cassegrain
antenna
symmetry
Prior art date
Application number
IT3051275A
Other languages
Italian (it)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1051413B publication Critical patent/IT1051413B/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • H01Q19/18Combinations 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
    • H01Q19/19Combinations 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
    • H01Q19/191Combinations 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 the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
IT3051275A 1974-12-23 1975-12-19 CASSEGRAIN ANTENNA WITH ROTATION SYMMETRY IT1051413B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742461283 DE2461283A1 (en) 1974-12-23 1974-12-23 OTATION-SYMMETRIC CASSEGRAIN ANTENNA

Publications (1)

Publication Number Publication Date
IT1051413B true IT1051413B (en) 1981-04-21

Family

ID=5934488

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3051275A IT1051413B (en) 1974-12-23 1975-12-19 CASSEGRAIN ANTENNA WITH ROTATION SYMMETRY

Country Status (10)

Country Link
JP (1) JPS5189371A (en)
BE (1) BE837012A (en)
DE (1) DE2461283A1 (en)
DK (1) DK141221C (en)
FR (1) FR2296280A1 (en)
GB (1) GB1532415A (en)
IE (1) IE42362B1 (en)
IT (1) IT1051413B (en)
LU (1) LU73599A1 (en)
NL (1) NL161627C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744302A (en) * 1980-08-28 1982-03-12 Mitsubishi Electric Corp Antenna device
US9812776B2 (en) 2012-04-02 2017-11-07 Furuno Electric Co., Ltd. Antenna device
CN103746187B (en) * 2013-12-23 2015-09-23 北京邮电大学 A kind of Cassegrain antenna detection system and method for designing thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411396B2 (en) * 1973-07-20 1979-05-15

Also Published As

Publication number Publication date
FR2296280B1 (en) 1980-10-17
NL161627B (en) 1979-09-17
DE2461283A1 (en) 1976-07-01
DK141221C (en) 1980-07-21
NL161627C (en) 1980-02-15
LU73599A1 (en) 1976-06-11
JPS5189371A (en) 1976-08-05
IE42362B1 (en) 1980-07-30
FR2296280A1 (en) 1976-07-23
GB1532415A (en) 1978-11-15
BE837012A (en) 1976-04-16
DK509575A (en) 1976-06-24
DK141221B (en) 1980-02-04
NL7514831A (en) 1976-06-25
IE42362L (en) 1976-06-23

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