JPS6237423U - - Google Patents

Info

Publication number
JPS6237423U
JPS6237423U JP9825385U JP9825385U JPS6237423U JP S6237423 U JPS6237423 U JP S6237423U JP 9825385 U JP9825385 U JP 9825385U JP 9825385 U JP9825385 U JP 9825385U JP S6237423 U JPS6237423 U JP S6237423U
Authority
JP
Japan
Prior art keywords
reflector
sub
primary radiator
antenna device
main reflector
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
JP9825385U
Other languages
Japanese (ja)
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
Priority to JP9825385U priority Critical patent/JPS6237423U/ja
Publication of JPS6237423U publication Critical patent/JPS6237423U/ja
Pending legal-status Critical Current

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Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例に係るカセグレンア
ンテナを示す原理図、第２図１は第１図中の副反
射器を示す斜視図、第２図２は同図１の副反射器
の一部を示す部分断面図、第３図は従来例に係る
カセグレンアンテナを示す原理図である。 ２……主反射器、１０……副反射器、１２Ａ…
…第１の一次放射器、１２Ｂ……第２の一次放射
器、１４，…，１４……共振スロツト。 Fig. 1 is a principle diagram showing a Cassegrain antenna according to an embodiment of the present invention, Fig. 2 1 is a perspective view showing the sub-reflector in Fig. 1, and Fig. 2 2 is a perspective view of the sub-reflector in Fig. 1. FIG. 3 is a partial sectional view showing a part of the antenna, and a principle diagram showing a conventional Cassegrain antenna. 2...Main reflector, 10...Sub-reflector, 12A...
...first primary radiator, 12B...second primary radiator, 14,...,14...resonant slot.

Claims (1)

【実用新案登録請求の範囲】 (1) 電波放射用の一次放射器と、この一次放射
器からの放射電波を反射せしめる副反射器と、こ
の副反射器からの反射電斬を大気中に放射する主
反射器とを備えた空中線装置において、 前記一次放射器を、前記副反射器の前記主反射
器側の所定位置に配設された第１の一次放射器と
、前記副反射器の前記主反射器とは反対側の所定
位置に配設された第２の一次放射器とにより構成
するとともに、 前記副反射器に、前記第２の一次放射器から送
信される電波に共振する共振スロツトを形成した
ことを特徴とする空中線装置。 (2) 前記主反射器は放物線状の反射面を備え、
前記副反射器は双曲線状の反射面を備えているこ
とを特徴とする実用新案登録請求の範囲第１項記
載の空中線装置。 (3) 前記第１の一次放射器及び第２の一次放射
器を配設する所定位置は、前記副反射器の主反射
器側の焦点位置及び前記副反射器の主反射器とは
反対側の焦点位置であることを特徴とする実用新
案登録請求の範囲第１項記載の空中線装置。[Scope of Claim for Utility Model Registration] (1) A primary radiator for radio wave emission, a sub-reflector for reflecting the radio waves emitted from the primary radiator, and a reflected electric beam from the sub-reflector for emitting into the atmosphere. an antenna device comprising: a first primary radiator disposed at a predetermined position on the side of the main reflector of the sub-reflector; a second primary radiator disposed at a predetermined position on the opposite side of the main reflector; and a resonant slot in the sub-reflector that resonates with the radio waves transmitted from the second primary radiator. An antenna device characterized by forming: (2) the main reflector has a parabolic reflecting surface;
The antenna device according to claim 1, wherein the sub-reflector has a hyperbolic reflecting surface. (3) The predetermined positions for arranging the first primary radiator and the second primary radiator are the focal position of the sub-reflector on the main reflector side and the side of the sub-reflector opposite to the main reflector. The antenna device according to claim 1 of the utility model registration, characterized in that the focal position is .
JP9825385U 1985-06-20 1985-06-20 Pending JPS6237423U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9825385U JPS6237423U (en) 1985-06-20 1985-06-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9825385U JPS6237423U (en) 1985-06-20 1985-06-20

Publications (1)

Publication Number Publication Date
JPS6237423U true JPS6237423U (en) 1987-03-05

Family

ID=30966018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9825385U Pending JPS6237423U (en) 1985-06-20 1985-06-20

Country Status (1)

Country Link
JP (1) JPS6237423U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0430606A (en) * 1990-05-24 1992-02-03 Mitsubishi Electric Corp Frequency selection reflecting mirror

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612105A (en) * 1979-07-11 1981-02-06 Morio Onoe Mechanical-reflectivity-variable radar reflector
JPS57143902A (en) * 1981-03-02 1982-09-06 Yamagata Daigaku Gregorian antenna common to milliwave and microwave

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612105A (en) * 1979-07-11 1981-02-06 Morio Onoe Mechanical-reflectivity-variable radar reflector
JPS57143902A (en) * 1981-03-02 1982-09-06 Yamagata Daigaku Gregorian antenna common to milliwave and microwave

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0430606A (en) * 1990-05-24 1992-02-03 Mitsubishi Electric Corp Frequency selection reflecting mirror

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