JPS645201A - Antenna system - Google Patents

Antenna system

Info

Publication number
JPS645201A
JPS645201A JP16203787A JP16203787A JPS645201A JP S645201 A JPS645201 A JP S645201A JP 16203787 A JP16203787 A JP 16203787A JP 16203787 A JP16203787 A JP 16203787A JP S645201 A JPS645201 A JP S645201A
Authority
JP
Japan
Prior art keywords
radome
antenna
diameter
center
epsilon
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
JP16203787A
Other languages
Japanese (ja)
Other versions
JPH0650805B2 (en
Inventor
Katsuhiko Aoki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP62162037A priority Critical patent/JPH0650805B2/en
Publication of JPS645201A publication Critical patent/JPS645201A/en
Publication of JPH0650805B2 publication Critical patent/JPH0650805B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Details Of Aerials (AREA)

Abstract

PURPOSE:To make d/D to '1' by arranging an antenna so that the center of aperture is placed to the center of the sphere of a radome and selecting the ratio of a diameter D of the radome to the antenna diameter (d) to a specific value relating the specific dielectric constant of the constituting material of the radome. CONSTITUTION:A spherical radome 7 is formed to be spherical by a reinforced plastic whose specific dielectric constant is epsilon and an aperture antenna 8 turned at the center of the sphere is arranged so that the aperture center is placed to the center of the radome sphere and the diameter D of the radome is selected to be a multiple of epsilon<1/2> of the antenna diameter (d). Thus, the size of the radome is reduced when the antenna diameter is given and the antenna diameter is maximized when the radome size is given. Moreover, in selecting the diameter D to be d.epsilon<1/2>, the transmission radio wave from the antenna is not reflected in the radome but radiated externally.
JP62162037A 1987-06-29 1987-06-29 Antenna device Expired - Fee Related JPH0650805B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62162037A JPH0650805B2 (en) 1987-06-29 1987-06-29 Antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62162037A JPH0650805B2 (en) 1987-06-29 1987-06-29 Antenna device

Publications (2)

Publication Number Publication Date
JPS645201A true JPS645201A (en) 1989-01-10
JPH0650805B2 JPH0650805B2 (en) 1994-06-29

Family

ID=15746880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62162037A Expired - Fee Related JPH0650805B2 (en) 1987-06-29 1987-06-29 Antenna device

Country Status (1)

Country Link
JP (1) JPH0650805B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010510475A (en) * 2006-06-23 2010-04-02 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド Optical recognition system for object position and motion on positioning device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741306U (en) * 1980-08-19 1982-03-05
JPS5823418U (en) * 1981-08-08 1983-02-14 デイエツクスアンテナ株式会社 Radome of parabolic antenna device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741306U (en) * 1980-08-19 1982-03-05
JPS5823418U (en) * 1981-08-08 1983-02-14 デイエツクスアンテナ株式会社 Radome of parabolic antenna device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010510475A (en) * 2006-06-23 2010-04-02 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド Optical recognition system for object position and motion on positioning device

Also Published As

Publication number Publication date
JPH0650805B2 (en) 1994-06-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees