JPS53105343A - Antenna unit - Google Patents

Antenna unit

Info

Publication number
JPS53105343A
JPS53105343A JP1980877A JP1980877A JPS53105343A JP S53105343 A JPS53105343 A JP S53105343A JP 1980877 A JP1980877 A JP 1980877A JP 1980877 A JP1980877 A JP 1980877A JP S53105343 A JPS53105343 A JP S53105343A
Authority
JP
Japan
Prior art keywords
antenna unit
subreflection
weakening
radiation
location
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.)
Granted
Application number
JP1980877A
Other languages
Japanese (ja)
Other versions
JPS5754001B2 (en
Inventor
Hidekazu Ogawa
Toshikazu Hori
Tadashi Takano
Masaaki Shinshi
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1980877A priority Critical patent/JPS53105343A/en
Publication of JPS53105343A publication Critical patent/JPS53105343A/en
Publication of JPS5754001B2 publication Critical patent/JPS5754001B2/ja
Granted 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
    • H01Q19/02—Details
    • H01Q19/021—Means for reducing undesirable effects
    • H01Q19/023—Means for reducing undesirable effects for reducing the scattering of mounting structures, e.g. of the struts

Abstract

PURPOSE:To improve the characteristics of radiation in broad angle by weakening the scattered waves from supporting stems, through the location of the dielectric substance or metallic construction on the surface of the subreflection support stem present in the antenna opening surface.
JP1980877A 1977-02-26 1977-02-26 Antenna unit Granted JPS53105343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980877A JPS53105343A (en) 1977-02-26 1977-02-26 Antenna unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980877A JPS53105343A (en) 1977-02-26 1977-02-26 Antenna unit

Publications (2)

Publication Number Publication Date
JPS53105343A true JPS53105343A (en) 1978-09-13
JPS5754001B2 JPS5754001B2 (en) 1982-11-16

Family

ID=12009623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980877A Granted JPS53105343A (en) 1977-02-26 1977-02-26 Antenna unit

Country Status (1)

Country Link
JP (1) JPS53105343A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105908U (en) * 1980-01-16 1981-08-18
JPS56169907A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169902A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169905A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169906A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169904A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169908A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169903A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS60145719U (en) * 1984-03-07 1985-09-27 日本電信電話株式会社 parabolic antenna
JP2016161525A (en) * 2015-03-05 2016-09-05 日立オートモティブシステムズ株式会社 Speed measurement device

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105908U (en) * 1980-01-16 1981-08-18
JPH0221166B2 (en) * 1980-06-03 1990-05-14 Kokusai Denshin Denwa Kk
JPS56169903A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169905A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169906A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPH0221168B2 (en) * 1980-06-03 1990-05-14 Kokusai Denshin Denwa Kk
JPS56169908A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS56169902A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPH0221170B2 (en) * 1980-06-03 1990-05-14 Kokusai Denshin Denwa Kk
JPS56169904A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPH0221165B2 (en) * 1980-06-03 1990-05-14 Kokusai Denshin Denwa Kk
JPH0221167B2 (en) * 1980-06-03 1990-05-14 Kokusai Denshin Denwa Kk
JPS56169907A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPH0221171B2 (en) * 1980-06-03 1990-05-14 Kokusai Denshin Denwa Kk
JPH0221169B2 (en) * 1980-06-03 1990-05-14 Kokusai Denshin Denwa Kk
JPS60145719U (en) * 1984-03-07 1985-09-27 日本電信電話株式会社 parabolic antenna
JP2016161525A (en) * 2015-03-05 2016-09-05 日立オートモティブシステムズ株式会社 Speed measurement device

Also Published As

Publication number Publication date
JPS5754001B2 (en) 1982-11-16

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