JPS57107609A - Antenna device - Google Patents

Antenna device

Info

Publication number
JPS57107609A
JPS57107609A JP18421980A JP18421980A JPS57107609A JP S57107609 A JPS57107609 A JP S57107609A JP 18421980 A JP18421980 A JP 18421980A JP 18421980 A JP18421980 A JP 18421980A JP S57107609 A JPS57107609 A JP S57107609A
Authority
JP
Japan
Prior art keywords
torus
reflector
rotary mechanism
shape
rods
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.)
Pending
Application number
JP18421980A
Other languages
Japanese (ja)
Inventor
Motoharu Ueno
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP18421980A priority Critical patent/JPS57107609A/en
Publication of JPS57107609A publication Critical patent/JPS57107609A/en
Pending 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
    • H01Q19/12—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 wherein the surfaces are concave

Landscapes

  • Aerials With Secondary Devices (AREA)

Abstract

PURPOSE:To achieve large-sized antenna construction with sufficient antenna accuracy, stable beam directivity and high practicality, by turning a reflection mirror constituted as a torus shape through taking its center axis as a rotary shaft. CONSTITUTION:A reflector 1 of flexible construction consisting of metal wire net is suspended between a plurality of holding rods 2 located in torus shape, and the rods form a torus surface along a line cured inside. The reflector 1 is connected to a rotary mechanism 4 with a wire 3 suspended from both ends of the rods 2 to the center position. The rotary mechanism 4 is provided at the center axis location of the torus surface and drives the reflector 1 rotatably via the wire 3. A communication device assembled at the inside of the rotary mechanism 4 holds fixedly radiators provided opposingly to the torus surface at an offset power feeding position of the parabola-shape torus surface, and the reflectors 1 is turned to the radiators 5.
JP18421980A 1980-12-25 1980-12-25 Antenna device Pending JPS57107609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18421980A JPS57107609A (en) 1980-12-25 1980-12-25 Antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18421980A JPS57107609A (en) 1980-12-25 1980-12-25 Antenna device

Publications (1)

Publication Number Publication Date
JPS57107609A true JPS57107609A (en) 1982-07-05

Family

ID=16149443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18421980A Pending JPS57107609A (en) 1980-12-25 1980-12-25 Antenna device

Country Status (1)

Country Link
JP (1) JPS57107609A (en)

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