GB1532415A - Cassegrain antennae - Google Patents

Cassegrain antennae

Info

Publication number
GB1532415A
GB1532415A GB4815975A GB4815975A GB1532415A GB 1532415 A GB1532415 A GB 1532415A GB 4815975 A GB4815975 A GB 4815975A GB 4815975 A GB4815975 A GB 4815975A GB 1532415 A GB1532415 A GB 1532415A
Authority
GB
United Kingdom
Prior art keywords
dish
azimuthal
flat
cassegrain
elevational
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
GB4815975A
Other languages
English (en)
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.)
Siemens AG
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
Publication of GB1532415A publication Critical patent/GB1532415A/en
Expired legal-status Critical Current

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
    • H01Q19/191—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 wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
    • 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
    • H01Q3/02—Arrangements 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
    • H01Q3/08—Arrangements 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

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
GB4815975A 1974-12-23 1975-11-24 Cassegrain antennae Expired GB1532415A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742461283 DE2461283A1 (de) 1974-12-23 1974-12-23 Otationssymmetrische cassegrainantenne

Publications (1)

Publication Number Publication Date
GB1532415A true GB1532415A (en) 1978-11-15

Family

ID=5934488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4815975A Expired GB1532415A (en) 1974-12-23 1975-11-24 Cassegrain antennae

Country Status (10)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746187A (zh) * 2013-12-23 2014-04-23 北京邮电大学 一种卡塞格伦天线探测系统及其设计方法
EP2835865A1 (en) * 2012-04-02 2015-02-11 Furuno Electric Co., Ltd. Antenna device

Families Citing this family (1)

* 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

Family Cites Families (1)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2835865A1 (en) * 2012-04-02 2015-02-11 Furuno Electric Co., Ltd. Antenna device
EP2835865A4 (en) * 2012-04-02 2015-11-25 Furuno Electric Co ANTENNA DEVICE
US9812776B2 (en) 2012-04-02 2017-11-07 Furuno Electric Co., Ltd. Antenna device
CN103746187A (zh) * 2013-12-23 2014-04-23 北京邮电大学 一种卡塞格伦天线探测系统及其设计方法

Also Published As

Publication number Publication date
DK141221B (da) 1980-02-04
IT1051413B (it) 1981-04-21
DK509575A (da) 1976-06-24
JPS5189371A (da) 1976-08-05
IE42362B1 (en) 1980-07-30
FR2296280B1 (da) 1980-10-17
NL161627C (nl) 1980-02-15
DK141221C (da) 1980-07-21
NL161627B (nl) 1979-09-17
BE837012A (fr) 1976-04-16
DE2461283A1 (de) 1976-07-01
IE42362L (en) 1976-06-23
FR2296280A1 (fr) 1976-07-23
LU73599A1 (da) 1976-06-11
NL7514831A (nl) 1976-06-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee