JPH01133808U - - Google Patents

Info

Publication number
JPH01133808U
JPH01133808U JP2977888U JP2977888U JPH01133808U JP H01133808 U JPH01133808 U JP H01133808U JP 2977888 U JP2977888 U JP 2977888U JP 2977888 U JP2977888 U JP 2977888U JP H01133808 U JPH01133808 U JP H01133808U
Authority
JP
Japan
Prior art keywords
conductor
quadrifilar
helical antenna
axis
helix
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
JP2977888U
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 JP2977888U priority Critical patent/JPH01133808U/ja
Publication of JPH01133808U publication Critical patent/JPH01133808U/ja
Pending legal-status Critical Current

Links

Description

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

第１図はこの考案の一実施例を示す斜視図、第
２図はこの考案の一応用例を示す斜視図。 １……ヘリカルアンテナ、２……同軸線路、３
……コネクタ、４，５……それぞれ非励振ループ
。 FIG. 1 is a perspective view showing an embodiment of this invention, and FIG. 2 is a perspective view showing an example of application of this invention. 1...Helical antenna, 2...Coaxial line, 3
... Connector, 4, 5 ... Each non-excited loop.

Claims (1)

【実用新案登録請求の範囲】 共通の軸方向を持つて形成され互いに９０度の
角度差を有する４本の螺旋状アンテナを励振して
上記螺旋の進行方向と逆方向に主放射方向を持つ
電波を放射するバツクフアイア特性を与えたクワ
ツドリフアイラ・ヘリカルアンテナにおいて、 上記螺旋の軸上、上記主放射方向で上記螺旋の
軸に直角な平面内に閉ループの形状の導体を少な
くとも１個配置し、該導体の寸法を、上記クワツ
ドリフアイラ・ヘリカルアンテナからの電界によ
つて該導体に誘起される電圧に対し進相または遅
相の電流が流れるようにしたことを特徴とするク
ワツドリフアイラ・ヘリカルアンテナ。[Claims for Utility Model Registration] Radio waves whose main radiation direction is opposite to the traveling direction of the spirals by exciting four helical antennas formed with a common axis direction and having an angular difference of 90 degrees from each other. In a quadrifilar helical antenna having backfire characteristics for radiating, at least one conductor in the shape of a closed loop is arranged on the axis of the helix in the main radiation direction and in a plane perpendicular to the axis of the helix, A quadrifilar airer characterized in that the dimensions of the conductor are such that a current flows leading or lagging in phase with respect to the voltage induced in the conductor by the electric field from the quadrifilar helical antenna.・Helical antenna.
JP2977888U 1988-03-08 1988-03-08 Pending JPH01133808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2977888U JPH01133808U (en) 1988-03-08 1988-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2977888U JPH01133808U (en) 1988-03-08 1988-03-08

Publications (1)

Publication Number Publication Date
JPH01133808U true JPH01133808U (en) 1989-09-12

Family

ID=31254282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2977888U Pending JPH01133808U (en) 1988-03-08 1988-03-08

Country Status (1)

Country Link
JP (1) JPH01133808U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2410610A1 (en) * 2010-07-20 2012-01-25 Fujitsu Limited Antenna device and communication device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62281501A (en) * 1986-05-29 1987-12-07 Japan Radio Co Ltd Microstrip antenna having unexcited element
JPS6326004A (en) * 1986-07-17 1988-02-03 Sony Corp Helical antenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62281501A (en) * 1986-05-29 1987-12-07 Japan Radio Co Ltd Microstrip antenna having unexcited element
JPS6326004A (en) * 1986-07-17 1988-02-03 Sony Corp Helical antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2410610A1 (en) * 2010-07-20 2012-01-25 Fujitsu Limited Antenna device and communication device
US20120019427A1 (en) * 2010-07-20 2012-01-26 Fujitsu Limited Antenna device and communication device

Similar Documents

Publication Publication Date Title
US4684953A (en) Reduced height monopole/crossed slot antenna
JPH03274808A (en) Double-layer resonance four-feature helical antenna
US5952982A (en) Broadband circularly polarized antenna
US3019439A (en) Elliptically polarized spiral antenna
JPH0270104A (en) Wide directional microstrip antenna
US6067058A (en) End-fed spiral antenna, and arrays thereof
US3488657A (en) Low profile antenna
US5264861A (en) Circular polarization antenna
JPH01133808U (en)
JP3959123B2 (en) Stub-formed spiral antenna
JPS61252701A (en) Circularly polarized wave generating loop antenna
JPS639206A (en) Antenna system
JPS617706A (en) Circularly polarized wave antenna
JPS61218206A (en) Dipole connection type folded antenna
JPH06169219A (en) Multi-point feeding circularly polarized wave antenna
JPS61200704A (en) Helical antenna
JPS6165604A (en) Helical antenna for linearly polarized wave
JPH0354416Y2 (en)
JP2526673B2 (en) Circularly polarized antenna
JPS6312578Y2 (en)
JPH0328572Y2 (en)
JPH029481B2 (en)
JPH0368201A (en) Dielectric antenna
JPS5834805Y2 (en) receiving antenna
RU2089020C1 (en) Zigzag antenna