JPH0382912U - - Google Patents

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Publication number
JPH0382912U
JPH0382912U JP1989143944U JP14394489U JPH0382912U JP H0382912 U JPH0382912 U JP H0382912U JP 1989143944 U JP1989143944 U JP 1989143944U JP 14394489 U JP14394489 U JP 14394489U JP H0382912 U JPH0382912 U JP H0382912U
Authority
JP
Japan
Prior art keywords
antenna
section
frequency
power supply
feed line
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
JP1989143944U
Other languages
Japanese (ja)
Other versions
JP2507901Y2 (en
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 JP1989143944U priority Critical patent/JP2507901Y2/en
Publication of JPH0382912U publication Critical patent/JPH0382912U/ja
Priority to US07/892,616 priority patent/US5248988A/en
Application granted granted Critical
Publication of JP2507901Y2 publication Critical patent/JP2507901Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Details Of Aerials (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の概略図、第２図は
該実施例のアンテナ本体内部の電気的構成を示す
略線、第３図は上記実施例のベース部及び２つの
給電部の概略構造図、第４図は上記実施例のスプ
リング部内における編組線を示す図、第５図はス
リーブの積み重ね構造の一例を示す図である。 ２……アンテナ・エレメント部、３……スプリ
ング部、４……ベース部、６……ＡＭ／ＦＭ用周
波数帯給電部、８……自動車電話用周波数帯給電
部、９……ＡＭ／ＦＭ用給電線、１１……ラジエ
タ部、１２……スリーブ、１３……シユペルトツ
プ。 Fig. 1 is a schematic diagram of an embodiment of the present invention, Fig. 2 is a schematic diagram showing the electrical configuration inside the antenna main body of the embodiment, and Fig. 3 is a diagram showing the base part and two feeding parts of the above embodiment. A schematic structural diagram, FIG. 4 is a diagram showing the braided wire in the spring portion of the above embodiment, and FIG. 5 is a diagram showing an example of the stacked sleeve structure. 2...Antenna element part, 3...Spring part, 4...Base part, 6...Frequency band power feeding part for AM/FM, 8...Frequency band power feeding part for car phone, 9...For AM/FM Power supply line, 11...Radiator section, 12...Sleeve, 13...Shupel top.

Claims (1)

【実用新案登録請求の範囲】 (1) アンテナベース部の第１の給電部より第１
の給電線の中心導体がアンテナの中心部を通つて
アンテナ先端部のラジエタ部に接続され、上記第
１の給電線の外部導体が上記中心導体の周囲を絶
縁物を介して同軸線路状に通つて上記ラジエタ部
の下端でスリーブと高周波的に容量結合されると
共に上記アンテナベース部の第２の給電部より第
２の給電線の中心導体が上記第１の給電線の外部
導体とは絶縁した状態で周側を通つて上記スリー
ブに接続されかつ第２の給電線の外部導体が上記
アンテナベース部において車体に接続されたこと
を特徴とする多周波共用アンテナ。 (2) 上記ラジエタ部とアンテナベース部との間
で第２の給電線の中心導体がコイル状に形成され
たことを特徴とする請求項(1)に記載の多周波共
用アンテナ。 (3) 前記スリーブの下方に、アンテナ漏洩電流
阻止部を設けたことを特徴とする請求項(1)に記
載の多周波共用アンテナ。 (4) 前記第１の給電部が自動車電話用周波数帯
の給電部で、第２の給電部がＡＭ／ＦＭラジオ用
周波数帯の給電部であることを特徴とする請求項
(1)に記載の多周波共用アンテナ。[Scope of claims for utility model registration] (1) From the first power feeding part of the antenna base part to the first
The center conductor of the first feed line is connected to the radiator section at the tip of the antenna through the center of the antenna, and the outer conductor of the first feed line runs around the center conductor through an insulator in the form of a coaxial line. The lower end of the radiator section is capacitively coupled to the sleeve at high frequency, and the center conductor of the second feeder is insulated from the outer conductor of the first feeder from the second feeder of the antenna base. A multi-frequency antenna, characterized in that the antenna is connected to the sleeve through the circumferential side thereof, and the outer conductor of the second feed line is connected to the vehicle body at the antenna base portion. (2) The multi-frequency antenna according to claim 1, wherein the central conductor of the second feed line is formed in a coil shape between the radiator section and the antenna base section. (3) The multi-frequency antenna according to claim 1, further comprising an antenna leakage current blocking section provided below the sleeve. (4) Claim characterized in that the first power supply section is a power supply section for a frequency band for a car telephone, and the second power supply section is a power supply section for a frequency band for AM/FM radio.
The multi-frequency antenna described in (1).
JP1989143944U 1989-12-12 1989-12-12 Multi-frequency shared antenna Expired - Lifetime JP2507901Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989143944U JP2507901Y2 (en) 1989-12-12 1989-12-12 Multi-frequency shared antenna
US07/892,616 US5248988A (en) 1989-12-12 1992-06-01 Antenna used for a plurality of frequencies in common

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989143944U JP2507901Y2 (en) 1989-12-12 1989-12-12 Multi-frequency shared antenna

Publications (2)

Publication Number Publication Date
JPH0382912U true JPH0382912U (en) 1991-08-23
JP2507901Y2 JP2507901Y2 (en) 1996-08-21

Family

ID=31690693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989143944U Expired - Lifetime JP2507901Y2 (en) 1989-12-12 1989-12-12 Multi-frequency shared antenna

Country Status (1)

Country Link
JP (1) JP2507901Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010103635A (en) * 2008-10-21 2010-05-06 Yagi Antenna Co Ltd Dual-frequency antenna device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61227405A (en) * 1985-04-01 1986-10-09 Harada Kogyo Kk On-vehicle three-wave shared antenna
JPS6477205A (en) * 1987-06-27 1989-03-23 Nippon Denso Co Shared antenna equipment for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61227405A (en) * 1985-04-01 1986-10-09 Harada Kogyo Kk On-vehicle three-wave shared antenna
JPS6477205A (en) * 1987-06-27 1989-03-23 Nippon Denso Co Shared antenna equipment for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010103635A (en) * 2008-10-21 2010-05-06 Yagi Antenna Co Ltd Dual-frequency antenna device

Also Published As

Publication number Publication date
JP2507901Y2 (en) 1996-08-21

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