GB1302399A - - Google Patents

Info

Publication number
GB1302399A
GB1302399A GB5688070A GB5688070A GB1302399A GB 1302399 A GB1302399 A GB 1302399A GB 5688070 A GB5688070 A GB 5688070A GB 5688070 A GB5688070 A GB 5688070A GB 1302399 A GB1302399 A GB 1302399A
Authority
GB
United Kingdom
Prior art keywords
reflector
sub
reflectors
parabolic
plane
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
GB5688070A
Other languages
English (en)
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 filed Critical
Publication of GB1302399A publication Critical patent/GB1302399A/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
    • H01Q3/12—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 relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
GB5688070A 1969-11-28 1970-11-30 Expired GB1302399A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44094962A JPS5028148B1 (es) 1969-11-28 1969-11-28

Publications (1)

Publication Number Publication Date
GB1302399A true GB1302399A (es) 1973-01-10

Family

ID=14124537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5688070A Expired GB1302399A (es) 1969-11-28 1970-11-30

Country Status (5)

Country Link
US (1) US3680141A (es)
JP (1) JPS5028148B1 (es)
DE (1) DE2058550C3 (es)
FR (1) FR2073432B1 (es)
GB (1) GB1302399A (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803619A (en) * 1973-02-26 1974-04-09 Us Army Multi-horn wheel scanner with stationary feed pipe for schwarzschild radar antenna
US3795003A (en) * 1973-02-26 1974-02-26 Us Army Schwarzschild radar antenna with a unidirectional turnstile scanner
US4062018A (en) * 1973-12-21 1977-12-06 Kokusai Denshin Denwa Kabushiki Kaisha Scanning antenna with moveable beam waveguide feed and defocusing adjustment
US3953858A (en) * 1975-05-30 1976-04-27 Bell Telephone Laboratories, Incorporated Multiple beam microwave apparatus
FR2472284A1 (fr) * 1979-12-18 1981-06-26 Aerospatiale Procede de correction de la defocalisation transversale d'un paraboloide et dispositif correspondant de correction d'antenne parabolique
JPS5744302A (en) * 1980-08-28 1982-03-12 Mitsubishi Electric Corp Antenna device
FR2513820A1 (fr) * 1981-09-30 1983-04-01 Alsthom Atlantique Dispositif d'illumination periscope pour antenne de poursuite de satellite
US4535338A (en) * 1982-05-10 1985-08-13 At&T Bell Laboratories Multibeam antenna arrangement
US5034750A (en) * 1983-10-31 1991-07-23 Raytheon Company Pulse radar and components therefor
US4668955A (en) * 1983-11-14 1987-05-26 Ford Aerospace & Communications Corporation Plural reflector antenna with relatively moveable reflectors
US4638322A (en) * 1984-02-14 1987-01-20 The Boeing Company Multiple feed antenna
CA1258707A (en) * 1984-12-26 1989-08-22 Tomozo Ohta Antenna system
US4692771A (en) * 1985-03-28 1987-09-08 Satellite Technology Services, Inc. Antenna dish reflector with integral azimuth track
US4716416A (en) * 1985-03-28 1987-12-29 Satellite Technology Services, Inc. Antenna dish reflector with integral declination adjustment
US5003321A (en) * 1985-09-09 1991-03-26 Sts Enterprises, Inc. Dual frequency feed
DE19952819A1 (de) * 1999-11-02 2001-07-12 Rr Elektronische Geraete Gmbh Reflektorantenne und Verfahren zum Herstellen eines Subreflektors
US9774095B1 (en) * 2011-09-22 2017-09-26 Space Systems/Loral, Llc Antenna system with multiple independently steerable shaped beams

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976533A (en) * 1954-11-12 1961-03-21 Zenith Radio Corp Radio astronomy antenna having spherical reflector formed integral with earth's surface
US2975419A (en) * 1959-10-13 1961-03-14 Newell H Brown Microwave antenna reflector system for scanning by displacement of focal image
US3392397A (en) * 1966-02-15 1968-07-09 Gen Precision Systems Inc Cassegrain antenna for scanning with elliptically shaped beam
FR1569747A (es) * 1968-03-12 1969-06-06

Also Published As

Publication number Publication date
JPS5028148B1 (es) 1975-09-12
DE2058550C3 (de) 1974-03-14
FR2073432A1 (es) 1971-10-01
US3680141A (en) 1972-07-25
DE2058550A1 (de) 1971-06-16
FR2073432B1 (es) 1976-09-03
DE2058550B2 (de) 1973-08-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years