GB1532665A - Antennae - Google Patents

Antennae

Info

Publication number
GB1532665A
GB1532665A GB34617/76A GB3461776A GB1532665A GB 1532665 A GB1532665 A GB 1532665A GB 34617/76 A GB34617/76 A GB 34617/76A GB 3461776 A GB3461776 A GB 3461776A GB 1532665 A GB1532665 A GB 1532665A
Authority
GB
United Kingdom
Prior art keywords
wavefront
reflectors
aug
arrangement
frequency
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
GB34617/76A
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.)
VOKURKA V
Original Assignee
VOKURKA V
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 VOKURKA V filed Critical VOKURKA V
Publication of GB1532665A publication Critical patent/GB1532665A/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
    • H01Q19/195—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 a reflecting surface acts also as a polarisation filter or a polarising device
    • 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
    • H01Q19/20—Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed

Landscapes

  • Aerials With Secondary Devices (AREA)
GB34617/76A 1975-08-20 1976-08-19 Antennae Expired GB1532665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7509882A NL7509882A (nl) 1975-08-20 1975-08-20 Antenne.

Publications (1)

Publication Number Publication Date
GB1532665A true GB1532665A (en) 1978-11-15

Family

ID=19824327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34617/76A Expired GB1532665A (en) 1975-08-20 1976-08-19 Antennae

Country Status (6)

Country Link
US (1) US4024543A (enExample)
JP (1) JPS5927483B2 (enExample)
DE (1) DE2636142A1 (enExample)
FR (1) FR2321781A1 (enExample)
GB (1) GB1532665A (enExample)
NL (1) NL7509882A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557737B1 (fr) * 1983-12-30 1987-12-18 Thomson Csf Antenne a deux reflecteurs cylindro-paraboliques croises et son procede de fabrication
US4618867A (en) * 1984-06-14 1986-10-21 At&T Bell Laboratories Scanning beam antenna with linear array feed
JP2002339859A (ja) * 2001-05-17 2002-11-27 National Aerospace Laboratory Of Japan 電磁波集束装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846680A (en) * 1946-06-29 1958-08-05 Bell Telephone Labor Inc Directive antennas
US2703506A (en) * 1951-03-30 1955-03-08 Technicolor Motion Picture Light beam linking optical focusing system of the schmidt type
US3029431A (en) * 1960-06-30 1962-04-10 Sperry Rand Corp Broadband selective polarization antenna system
NL6818798A (enExample) * 1968-01-02 1973-08-27
US3953858A (en) * 1975-05-30 1976-04-27 Bell Telephone Laboratories, Incorporated Multiple beam microwave apparatus

Also Published As

Publication number Publication date
FR2321781B1 (enExample) 1981-09-18
DE2636142A1 (de) 1977-03-03
FR2321781A1 (fr) 1977-03-18
NL7509882A (nl) 1977-02-22
JPS5927483B2 (ja) 1984-07-06
US4024543A (en) 1977-05-17
JPS5225548A (en) 1977-02-25

Similar Documents

Publication Publication Date Title
GB385255A (en) Improvements in or relating to reflector arrangements for use in ultra-short wave radio beam systems
ES361117A1 (es) Sistema de antena bidireccional de exploracion electronica.
GB923203A (en) A beam-waveguide antenna
GB1252190A (enExample)
GB1532665A (en) Antennae
GB978509A (en) Improvements in and relating to aerials
GB842351A (en) Directive aerial
GB446619A (en) Improvements in or relating to wireless directional aerial systems
JPS5423449A (en) Electronic scanning reflector antenna
EP0422431A3 (en) Angular-diversity system and device
GB994752A (en) Radio navigation system
JPS5252550A (en) Reception antenna
JPS5765901A (en) Radome
ES472427A1 (es) Una disposicion de antena directriz para la gama de ondas decimetricas
GB990032A (en) Omnidirectional beacon antenna
GB958799A (en) Electromagnetic wave transmission systems
DE3872016D1 (de) Zweireflektor-microwellen-richtantenne.
GB1457907A (en) Microwave antennas
GB1028264A (en) Improvements in or relating to focusing elements for electromagnetic wave energy
JPS554148A (en) Generator for circular polarized wave
GB745038A (en) Improvements relating to scanning aerials
GB889611A (en) Electrically steerable horn antenna system
JPS5481755A (en) Antenna unit for tracking radar
JPS5363845A (en) Primary antenna radiator
GB936111A (en) Improvements in or relating to propagation of radar energy

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee