JPS6352302U - - Google Patents

Info

Publication number
JPS6352302U
JPS6352302U JP1986147067U JP14706786U JPS6352302U JP S6352302 U JPS6352302 U JP S6352302U JP 1986147067 U JP1986147067 U JP 1986147067U JP 14706786 U JP14706786 U JP 14706786U JP S6352302 U JPS6352302 U JP S6352302U
Authority
JP
Japan
Prior art keywords
conductor
helical
transmission line
line coupler
helical conductor
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
JP1986147067U
Other languages
English (en)
Other versions
JPH0631763Y2 (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 JP1986147067U priority Critical patent/JPH0631763Y2/ja
Publication of JPS6352302U publication Critical patent/JPS6352302U/ja
Priority to US07/432,343 priority patent/US4939484A/en
Application granted granted Critical
Publication of JPH0631763Y2 publication Critical patent/JPH0631763Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens
    • H01Q1/1285—Supports; Mounting means for mounting on windscreens with capacitive feeding through the windscreen

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の一実施例を示す縦断面図で
ある。第２図は、上記実施例の斜視図である。第
３図は、第１図の―から見た横断面図である
。第４図は、上記実施例を自動車に設置した場合
の一例を示す図である。第５図は、上記実施例を
自動車に設置した場合の他の例を示す図である。
第６図は、Ｑ０／ＱＬ対損失レベルを示す特性図
である。第７図はＫ・ＱＬを変化した場合の損失
レベル変化を示す図である。 １０……第１導体、２０……第２導体、１１，
２１……ヘリカル導体、１２，２２……外部導体
、１１ａ，２１ａ……一端、１１ｂ，２１ｂ……
他端、１３，２３……接続手段または導体固定手
段としての導線、３０……ガラス。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) インダクタンス結合型のアンテナ用伝送路
    カプラにおいて、同調インダクタンス回路として
    、ヘリカル型共振器を使用し、その共振周波数を
    、目的周波数のほぼ１／３にしたことを特徴とす
    るアンテナ用伝送路カプラ。 (2) 実用新案登録請求の範囲第１項において、 前記同調インダクタンス回路は、ヘリカル導体
    と、このヘリカル導体の外部に配置され、しかも
    前記ヘリカル導体とほぼ同軸的に配置された外部
    導体と、前記ヘリカル導体の一端と前記外部導体
    の内壁とを電気的に接続する接続手段と、前記外
    部導体の端面で形成される平面内に、前記ヘリカ
    ル導体の他端を固定する導体固定手段とで構成さ
    れ、前記外部導体の内径と、前記ヘリカル導体の
    外径との比が１．１〜２．０であることを特徴と
    するアンテナ用伝送路カプラ。
JP1986147067U 1986-09-24 1986-09-24 アンテナ用伝送路カプラ Expired - Lifetime JPH0631763Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986147067U JPH0631763Y2 (ja) 1986-09-24 1986-09-24 アンテナ用伝送路カプラ
US07/432,343 US4939484A (en) 1986-09-24 1989-11-06 Transmission channel coupler for antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986147067U JPH0631763Y2 (ja) 1986-09-24 1986-09-24 アンテナ用伝送路カプラ

Publications (2)

Publication Number Publication Date
JPS6352302U true JPS6352302U (ja) 1988-04-08
JPH0631763Y2 JPH0631763Y2 (ja) 1994-08-22

Family

ID=15421733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986147067U Expired - Lifetime JPH0631763Y2 (ja) 1986-09-24 1986-09-24 アンテナ用伝送路カプラ

Country Status (2)

Country Link
US (1) US4939484A (ja)
JP (1) JPH0631763Y2 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471222A (en) * 1993-09-28 1995-11-28 The Antenna Company Ultrahigh frequency mobile antenna system using dielectric resonators for coupling RF signals from feed line to antenna
US5742255A (en) * 1994-07-12 1998-04-21 Maxrad, Inc. Aperture fed antenna assembly for coupling RF energy to a vertical radiator
US5451966A (en) * 1994-09-23 1995-09-19 The Antenna Company Ultra-high frequency, slot coupled, low-cost antenna system
US6172651B1 (en) 1995-10-25 2001-01-09 Larsen Electronics, Inc. Dual-band window mounted antenna system for mobile communications
US5898408A (en) * 1995-10-25 1999-04-27 Larsen Electronics, Inc. Window mounted mobile antenna system using annular ring aperture coupling
US6611210B2 (en) * 1996-12-03 2003-08-26 Inductive Signature Technologies, Inc. Automotive vehicle classification and identification by inductive signature

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159804A (ja) * 1984-12-30 1986-07-19 Harada Kogyo Kk アンテナ用伝送路カプラ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829367A (en) * 1953-02-26 1958-04-01 Robert F Rychlik Television lead-in coupler
US3939443A (en) * 1972-01-07 1976-02-17 Finommechanikai Vallalat Frequency-selective coupling for high-frequency electromagnetic waves
US4238799A (en) * 1978-03-27 1980-12-09 Avanti Research & Development, Inc. Windshield mounted half-wave communications antenna assembly
US4342969A (en) * 1980-10-06 1982-08-03 General Electric Company Means for matching impedances between a helical resonator and a circuit connected thereto
JPS59201585A (ja) * 1983-04-30 1984-11-15 Asahi Optical Co Ltd 電子カメラの光学ロ−パスフイルタ支持装置
JPS61159803A (ja) * 1984-12-30 1986-07-19 Harada Kogyo Kk アンテナ用伝送路カプラ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159804A (ja) * 1984-12-30 1986-07-19 Harada Kogyo Kk アンテナ用伝送路カプラ

Also Published As

Publication number Publication date
JPH0631763Y2 (ja) 1994-08-22
US4939484A (en) 1990-07-03

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