GB1495298A - Antenna - Google Patents

Antenna

Info

Publication number
GB1495298A
GB1495298A GB5491874A GB5491874A GB1495298A GB 1495298 A GB1495298 A GB 1495298A GB 5491874 A GB5491874 A GB 5491874A GB 5491874 A GB5491874 A GB 5491874A GB 1495298 A GB1495298 A GB 1495298A
Authority
GB
United Kingdom
Prior art keywords
reflector
main
displacement
antenna
main reflector
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
GB5491874A
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB1495298A publication Critical patent/GB1495298A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q3/12Arrangements 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 relative movement between primary active elements and secondary devices of antennas or antenna systems
    • 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

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB5491874A 1973-12-21 1974-12-19 Antenna Expired GB1495298A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14238473A JPS5513444B2 (enrdf_load_stackoverflow) 1973-12-21 1973-12-21

Publications (1)

Publication Number Publication Date
GB1495298A true GB1495298A (en) 1977-12-14

Family

ID=15314098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5491874A Expired GB1495298A (en) 1973-12-21 1974-12-19 Antenna

Country Status (2)

Country Link
JP (1) JPS5513444B2 (enrdf_load_stackoverflow)
GB (1) GB1495298A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3144466A1 (de) * 1981-11-09 1983-07-07 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Steuerbare antennenanordnung
DE3400729A1 (de) * 1984-01-11 1985-07-18 Siemens AG, 1000 Berlin und 8000 München Schwenkbare cassegrain-antenne
US5351060A (en) * 1991-02-25 1994-09-27 Bayne Gerald A Antenna

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628713C2 (de) * 1976-06-25 1987-02-05 Siemens AG, 1000 Berlin und 8000 München Rotationssymmetrische Zweispiegelantenne
JPS5412550A (en) * 1977-06-29 1979-01-30 Nippon Telegr & Teleph Corp <Ntt> Dual reflecting mirror antenna of offset type
JP3131347B2 (ja) * 1993-06-15 2001-01-31 三菱電機株式会社 マルチビームアンテナ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619632B2 (enrdf_load_stackoverflow) * 1974-09-09 1981-05-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3144466A1 (de) * 1981-11-09 1983-07-07 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Steuerbare antennenanordnung
DE3400729A1 (de) * 1984-01-11 1985-07-18 Siemens AG, 1000 Berlin und 8000 München Schwenkbare cassegrain-antenne
US5351060A (en) * 1991-02-25 1994-09-27 Bayne Gerald A Antenna

Also Published As

Publication number Publication date
JPS5093759A (enrdf_load_stackoverflow) 1975-07-26
JPS5513444B2 (enrdf_load_stackoverflow) 1980-04-09

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Legal Events

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