JPH06196912A - Antenna - Google Patents

Antenna

Info

Publication number
JPH06196912A
JPH06196912A JP5260358A JP26035893A JPH06196912A JP H06196912 A JPH06196912 A JP H06196912A JP 5260358 A JP5260358 A JP 5260358A JP 26035893 A JP26035893 A JP 26035893A JP H06196912 A JPH06196912 A JP H06196912A
Authority
JP
Japan
Prior art keywords
antenna
housing
housed
loading
rod
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
JP5260358A
Other languages
Japanese (ja)
Other versions
JP2501413B2 (en
Inventor
Noboru Koike
昇 小池
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP5260358A priority Critical patent/JP2501413B2/en
Publication of JPH06196912A publication Critical patent/JPH06196912A/en
Application granted granted Critical
Publication of JP2501413B2 publication Critical patent/JP2501413B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To provide an antenna eliminating the need for a built-in antenna, capable of transmitting/receiving signals even when the antenna is stored and constituted so as to be appropriate for carrying. CONSTITUTION:Since at least a rod-like antenna 20c is functioned as an antenna when a 1st connection part 20a is engaged with the hole of a casing joint part 11 or a loading antenna 20b is functioned as an antenna when a 2nd connection part 24 is engaged with the hole of the joint part 11, a user for this radio set is allowed to contract the antenna until the 1st connection part 20a is tightly engaged with the hole of the joint part 11 at the time of waiting and extend the antenna until the 2nd connection part 24 is tightly engaged with the joint part 11 at the time of calling, so that the operability of the radio set can be improved. At the time of waiting, only the loading antenna 20b is protruded from the casing 1.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は無線機、特に携帯用無線
機に好適なアンテナを提供することを目的とする。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention aims to provide an antenna suitable for a wireless device, particularly a portable wireless device.

【0002】[0002]

【従来の技術】近年携帯無線機、例えば携帯無線電話機
は携帯しやすいように小形化され、形状も種々工夫され
ている。この種の無線電話機に用いられるアンテナにつ
いてもできるだけ持ち運びしやすいように収納可能なア
ンテナが開発されている。このようなアンテナの従来の
構造を第8図から第10図までを使って説明する。第1
0図は無線電話機を表した斜視図であり、実線により筐
体(1)の内部にアンテナ(3)が収納されている状態
を示し、2点鎖線により筐体(1)から引出された状態
を示している。このアンテナ(3)の伸長時、収納時の
詳細を示した図が第8図、第9図である。筐体(1)に
は第8図に示す如く種々の高周波部品が実装された印刷
配線板(5)が設けられている。さらに印刷配線板
(5)には、送信部、受信部につながった共用器(図示
せず)が接続される給電部(7)が設けられている。さ
らに筐体(1)には金属で形成され、めねじ部を有する
取付リング(9)が設けられている。さらにこのリング
(9)に筐体接合部(11)のおねじ部が螺合されてい
る。筐体接合部(11)も金属で形成され、舌片(11
a)を有しており、アンテナ(3)をこの舌片(11
a)にて保持している。なお、アンテナ(1)の基端部
側にはストッパ部(3a)が設けられ、先端部側には樹
脂で形成されたつまみ(3b)が設けられている。
2. Description of the Related Art In recent years, portable wireless devices, such as portable wireless telephones, have been miniaturized so that they can be easily carried and various shapes have been devised. As for the antenna used in this type of wireless telephone, an antenna that can be stored so as to be as portable as possible has been developed. A conventional structure of such an antenna will be described with reference to FIGS. 8 to 10. First
FIG. 0 is a perspective view showing a wireless telephone, in which the solid line shows a state where the antenna (3) is housed inside the housing (1), and the two-dot chain line shows a state where the antenna (3) is pulled out from the housing (1). Is shown. FIGS. 8 and 9 show the details of the antenna (3) when it is extended and stored. The housing (1) is provided with a printed wiring board (5) on which various high frequency components are mounted as shown in FIG. Further, the printed wiring board (5) is provided with a power feeding section (7) to which a duplexer (not shown) connected to the transmitting section and the receiving section is connected. Further, the housing (1) is provided with a mounting ring (9) which is made of metal and has a female screw portion. Further, the male thread portion of the housing joint portion (11) is screwed into the ring (9). The housing joint (11) is also made of metal, and the tongue (11)
a), and the antenna (3) is attached to this tongue (11).
It is held in a). A stopper (3a) is provided on the base end side of the antenna (1), and a knob (3b) made of resin is provided on the tip end side.

【0003】アンテナ伸長時には第8図に示す如くアン
テナのストッパ部(3a)が舌片(11a)の先端に当
接する位置で舌片(11a)に保持される。一方、アン
テナ収納時には第9図に示す如くつまみ(3b)が舌片
(11a)に保持される。ところがこの状態で給電部
(7)はアンテナ胴部(3c)に接続されないので送・
受信は不可能である。これに対し第8図のように金属の
ストッパ部(3a)を介して給電部(7)がアンテナ胴
部(3c)に導通してはじめて送・受信が可能となる。
When the antenna is extended, the stopper portion (3a) of the antenna is held by the tongue (11a) at a position where it comes into contact with the tip of the tongue (11a) as shown in FIG. On the other hand, when the antenna is housed, the tongue piece (11a) holds the knob (3b) as shown in FIG. However, in this state, the feeding part (7) is not connected to the antenna body part (3c),
Reception is not possible. On the other hand, as shown in FIG. 8, transmission / reception is possible only when the power feeding portion (7) is electrically connected to the antenna body portion (3c) through the metal stopper portion (3a).

【0004】この種の携帯無線電話機では通信の待受時
には持運びしやすいようにアンテナを収納しておくこと
が多い。従って、アンテナを収納しているときに送・受
信、特に着呼の検出が不可能であると携帯無線電話機へ
の呼出がアンテナ収納時には不可能となり、呼出があり
そうなときにはわざわざアンテナを引出しておかなけれ
ばならないという問題がある。
In this type of portable radio telephone, an antenna is often housed so that it can be easily carried when waiting for communication. Therefore, if it is not possible to send / receive, especially to detect incoming calls when the antenna is stored, it is impossible to call the mobile wireless telephone when the antenna is stored, and the antenna is pulled out if there is a call. There is the problem of having to stay.

【0005】また、この欠点を解消すべくアンテナ収納
時に筐体内の内蔵アンテナに切替える方式も種々考えら
れているが、この方式ではアンテナの収納状態を検知
し、内蔵アンテナに切替える電気的あるいは機械的な切
替手段が必要となる。
In order to solve this drawback, various methods of switching to the built-in antenna in the housing when the antenna is housed have been considered, but in this method, the housed state of the antenna is detected and switched to the built-in antenna electrically or mechanically. Therefore, a different switching means is required.

【0006】また、内蔵アンテナが他の実装部品に高周
波を放射しないようにこれらの部品との間に導電体から
成る仕切りを設ける必要があり、その分筐体が大形にな
る。
Further, it is necessary to provide a partition made of a conductor between the built-in antenna and other mounted components so as not to radiate a high frequency, and the housing becomes large accordingly.

【0007】さらに操作者が無線機を握る手によって送
受信の電波がさえぎられないように内蔵アンテナの配設
箇所もおのずと筐体の上端面側になり、他の実装部品の
配置自由度の妨げになるなどの問題があった。
Further, the location of the built-in antenna is naturally on the upper end surface side of the housing so that the operator's hand holding the radio does not block the transmitted and received radio waves, which hinders the degree of freedom of arrangement of other mounted components. There was a problem such as becoming.

【0008】[0008]

【発明が解決しようとする課題】上述したように、従来
の収納可能なアンテナのうち内蔵アンテナを有していな
いものはアンテナ収納時に送・受信ができない、特にア
ンテナを伸ばしておかない限り着呼のあったことを検出
できないことは非常に不便であった。一方、内蔵アンテ
ナと切替え可能なアンテナにおいても、アンテナ収納動
作に連動して内蔵アンテナに切替える手段が必要である
ことや、内蔵アンテナの配置スペースによる筐体の大形
化、配置箇所の制約による他の実装部品の配置自由度に
影響を及ぼすといった問題があった。
As described above, among the conventional storable antennas that do not have a built-in antenna, transmission / reception cannot be performed when the antenna is stored, and in particular, an incoming call unless the antenna is extended. It was very inconvenient to not be able to detect that there was. On the other hand, even for an antenna that can be switched to the built-in antenna, it is necessary to have a means for switching to the built-in antenna in conjunction with the antenna housing operation, and due to the large size of the housing due to the space for arranging the built-in antenna, restrictions on the location, etc. However, there is a problem that it affects the degree of freedom in arranging mounted components.

【0009】本発明は上記欠点を解決するためになされ
たもので内蔵アンテナを設ける必要がなく、アンテナ収
納時でも送・受信が可能となり、携帯に適したアンテナ
を提供することを目的とする。
The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to provide an antenna suitable for being carried, which does not require a built-in antenna and enables transmission / reception even when the antenna is housed.

【0010】[0010]

【課題を解決するための手段】本発明は、筐体と、この
筐体の一部位に設けられた所定長の内径の円形の穴を有
し、無線機の回路部と接続される筐体接合部と、前記所
定長より短かい外径を有し、前記穴を介して前記筐体内
または外に収納または伸長可能なロッド状アンテナ部
と、前記ロッド状アンテナ部の一端に接続され、前記所
定長とほぼ同じ長さの外径の第1の接続部と、前記ロッ
ド状アンテナ部の他端に設けられ、前記所定長とほぼ同
じ長さの外径の第2の接続部と、この第2の接続部に接
続されたロ−ディングアンテナ部とを備え、前記第1の
接続部が前記筐体接合部に接触している場合は少なくと
も前記ロッド状アンテナ部がアンテナとして機能し、前
記第2の接続部が前記筐体接合部に接触している場合
は、前記ロ−ディングアンテナ部がアンテナとして機能
するアンテナである。
According to the present invention, there is provided a housing, and a housing having a circular hole having a predetermined length and provided in one portion of the housing, the housing being connected to a circuit portion of a radio device. A joint portion, a rod-shaped antenna portion having an outer diameter shorter than the predetermined length and capable of being housed or extended in or out of the housing through the hole, and connected to one end of the rod-shaped antenna portion, A first connecting portion having an outer diameter substantially equal to the predetermined length and a second connecting portion having an outer diameter substantially equal to the predetermined length, which is provided at the other end of the rod-shaped antenna portion; A loading antenna part connected to a second connection part, and at least the rod-shaped antenna part functions as an antenna when the first connection part is in contact with the housing joint part, When the second connecting portion is in contact with the housing joint portion, the loading Antenna portion is an antenna that functions as an antenna.

【0011】[0011]

【作用】本発明のアンテナによれば、第1の接続部が筐
体接合部の穴にはまり込んだときには、少なくともロッ
ド状アンテナがアンテナとして機能し、第2の接続部が
筐体接合部の穴にはまり込んだときは、ロ−ディングア
ンテナがアンテナとして機能するので、本無線機のユ−
ザは待受時には第1の接続部が筐体接合部の穴にカチリ
とはまり込むまでアンテナを収縮させて、通話時には第
2の接続部が筐体接合部の穴にカチリとはまり込むまで
アンテナを伸長させればよいだけとなり、無線機の操作
性を向上させることができる。また、待受時には筐体か
らロ−ディングアンテナが突出しているのみの形状とな
るので携帯性も非常に秀れたものとなる。
According to the antenna of the present invention, at least the rod-shaped antenna functions as an antenna when the first connecting portion is fitted in the hole of the housing joining portion, and the second connecting portion is the housing joining portion. When it fits into the hole, the loading antenna functions as an antenna, so the user of this radio
In the standby mode, the antenna is contracted until the first connection part fits into the hole of the housing joint part and the antenna is contracted during the call until the second connection part fits into the hole of the housing connection part. Need only be extended, and the operability of the wireless device can be improved. In addition, since the loading antenna has a shape only protruding from the housing during standby, the portability is very excellent.

【0012】[0012]

【実施例】本発明の第一の実施例を図面を用いて説明す
る。なお、従来例と同一部材には同一符号を付し説明を
省略する。第1図に示す如く、(1)は携帯無線機の筐
体であり、これにアンテナ(20)が設けられる。アン
テナ(20)は先端部に設けられる第1のアンテナ部
(20b)と、これに接続される第2のアンテナ部(2
0c)とから成る。第1のアンテナ部(20b)は、つ
まみ(21)の内部にローディングコイル(22)が設
けられて形成される。ローディングコイル(22)はピ
アノ線をヘリカル状に形成したものである。この部分の
詳細を第3図を用いて説明する。つまみ(21)は樹脂
から成り、箱部(21a)と蓋部(21b)とから成
る。箱部(21a)には金具(30)がインサート成形
されており、ローディングコイル(22)が設けられ
る。この状態で蓋部(21b)が箱部(21a)に溶着
されてつまみ(21)が形成される。なお、箱部(21
a)の外周にはアンテナ引出時の手かけ用として溝部
(23)が設けられている。一方、(24)は第2のア
ンテナ部(20c)の先端部に設けられる止め金具であ
る。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to the drawings. The same members as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. As shown in FIG. 1, (1) is a housing of a portable wireless device, and an antenna (20) is provided on the housing. The antenna (20) has a first antenna portion (20b) provided at the tip and a second antenna portion (2) connected to the first antenna portion (20b).
0c) and. The first antenna part (20b) is formed by providing a loading coil (22) inside the knob (21). The loading coil (22) is a helically formed piano wire. Details of this portion will be described with reference to FIG. The knob (21) is made of resin and has a box portion (21a) and a lid portion (21b). A metal fitting (30) is insert-molded in the box portion (21a), and a loading coil (22) is provided. In this state, the lid portion (21b) is welded to the box portion (21a) to form the knob (21). The box part (21
A groove (23) is provided on the outer periphery of (a) as a hand when the antenna is pulled out. On the other hand, (24) is a stopper provided at the tip of the second antenna part (20c).

【0013】(26)は可撓性を有するステンレスワイ
ヤから成るアンテナ芯線である。(28)は可撓性を有
するポリアセタールから成る筐体であり、これにアンテ
ナ芯線(26)が圧入されている。さらに筐体(28)
には、黄銅などの金属から成るストッパ部(20a)が
基端部側から圧入され、端部(29)にてかしめられて
アンテナ芯線(26)とストッパ部(20a)との導通
を良好にしている。
(26) is an antenna core wire made of a flexible stainless wire. (28) is a housing made of flexible polyacetal, and the antenna core wire (26) is press-fitted into this housing. Further housing (28)
A stopper portion (20a) made of metal such as brass is press-fitted from the base end side and caulked at the end portion (29) to improve the electrical continuity between the antenna core wire (26) and the stopper portion (20a). ing.

【0014】止め金具(24)は第2図に示すようにア
ンテナ収納時でもローディングコイル(22)を筐体接
合部(11)、リング(9)を介して給電部(7)に導
通させておくためのものである。止め金具(24)の一
方側からは、ローディングコイル(22)と導通した金
具(30)が挿入され部分(30a)にてかしめられて
いる。止め金具(24)の他方側からはアンテナ芯線
(26)と一体の筒体(28)が圧入されている。
As shown in FIG. 2, the metal stopper (24) allows the loading coil (22) to conduct to the power feeding portion (7) through the housing joint portion (11) and the ring (9) even when the antenna is housed. It is for storing. From one side of the stopper fitting (24), a fitting (30) electrically connected to the loading coil (22) is inserted and caulked at a portion (30a). A tubular body (28) integrated with the antenna core wire (26) is press-fitted from the other side of the stopper (24).

【0015】ローディングコイル(22)の一端(22
a)から他端(22b)までの長さはほぼ1/4波長、
例えば900MHz帯使用の無線機では8〜9cmに設
定されている。ローディングコイル基端(22b)はア
ンテナ収納時には筐体(1)の上端面(1a)に位置す
るようにしてある。従って、アンテナ収納時においては
筐体上端面(1a)から1/4波長の長さを有した棒状
アンテナが設けられた状態と等価となる。一方、アンテ
ナ芯線(26)の先端(26a)から基端(26b)長
さもまたほぼ1/4波長の長さに設定されている。従っ
てアンテナ伸長時には第1図に示す如くアンテナ芯線
(26)とローディングコイル(22)とを合わせた全
長が1/2波長の長さとなり、筐体から1/2波長の棒
状アンテナを立てた状態と等価となる。なお、、ローデ
ィングコイル(22)及びアンテナ芯線(26)の長さ
は、筐体接合部(11)や各種金具のR成分やL成分が
高周波になればなるほど影響を及ぼすので、カットアン
ドトライにより微調整されて決定される。
One end (22) of the loading coil (22)
The length from a) to the other end (22b) is approximately 1/4 wavelength,
For example, it is set to 8 to 9 cm for a wireless device using the 900 MHz band. The loading coil base end (22b) is positioned on the upper end surface (1a) of the housing (1) when the antenna is housed. Therefore, when the antenna is housed, it is equivalent to a state in which a rod-shaped antenna having a length of 1/4 wavelength is provided from the upper end surface (1a) of the housing. On the other hand, the length from the front end (26a) to the base end (26b) of the antenna core wire (26) is also set to a length of about ¼ wavelength. Therefore, when the antenna is extended, the total length of the antenna core wire (26) and the loading coil (22) is 1/2 wavelength as shown in FIG. 1, and a 1/2 wavelength rod antenna is erected from the housing. Is equivalent to It should be noted that the lengths of the loading coil (22) and the antenna core wire (26) are affected as the R component and the L component of the housing joint portion (11) and various metal fittings become higher in frequency. Fine-tuned and decided.

【0016】なお、アンテナ収納時には第1のアンテナ
部(20b)がアンテナとして機能し、第2のアンテナ
部(20c)は筐体内部の長手方向に収納されるので、
アンテナとしてはほぼ機能しなくなる。従って、アンテ
ナ収納時には第1のアンテナ部(20b)のみ、すなわ
ち1/4波長の長さをもった第1のアンテナ部(20
b)がアンテナとして機能する。なお、第2のアンテナ
部(20c)を収納時に完全に機能させないようにする
手段として第5図に示す如く、第2のアンテナ部を給電
部(7)から1/4波長の長さのストッパ部(20a)
でアース片(32)に接触させる方法がある。このよう
にすれば給電部(7)から第2のアンテナ部(20c)
をみたインピーダンスZは無限大となり、第2のアンテ
ナ部(20c)にはほとんど給電されない。従って、第
2のアンテナ部(20c)からは電波が放射されるよう
なこともなく、他の電子部品への影響も完全になくすこ
とができる。
When the antenna is housed, the first antenna part (20b) functions as an antenna and the second antenna part (20c) is housed in the longitudinal direction inside the housing.
It almost does not work as an antenna. Therefore, when the antenna is housed, only the first antenna unit (20b), that is, the first antenna unit (20b) having a length of ¼ wavelength is used.
b) functions as an antenna. As a means for preventing the second antenna section (20c) from completely functioning when it is stored, as shown in FIG. 5, the second antenna section is provided with a stopper having a length of ¼ wavelength from the feeding section (7). Part (20a)
There is a method of contacting the grounding piece (32) with. In this way, from the power feeding part (7) to the second antenna part (20c)
The impedance Z as seen at is infinite and almost no power is supplied to the second antenna section (20c). Therefore, radio waves are not radiated from the second antenna unit (20c), and the influence on other electronic components can be completely eliminated.

【0017】上述したように、本実施例に係るアンテナ
はローディングコイルを有する第1のアンテナ部と、こ
れに結合された第2のアンテナ部とから成り、アンテナ
収納時には1/4波長の長さをもった第1のアンテナ部
のみが筐体より突出するので、収納時でも送・受信が可
能である。特に携帯時のようにアンテナを収納している
ときに着呼の到来のあることが多く、収納時にも着呼検
出が可能であることは大変有効である。なお、このアン
テナ収納状態でも通話可能であるが、アンテナを伸ばし
て最大のアンテナ長1/2波長の長さにしても通話が可
能となる。
As described above, the antenna according to the present embodiment is composed of the first antenna section having the loading coil and the second antenna section coupled thereto, and has a length of 1/4 wavelength when the antenna is housed. Since only the first antenna portion having the protrusion protrudes from the housing, it is possible to send and receive even when stored. In particular, an incoming call often arrives when the antenna is housed, such as when carrying, and it is very effective that the incoming call can be detected even when the antenna is housed. It is possible to make a call even with this antenna housed, but it is possible to make a call even if the antenna is extended and the maximum antenna length is 1/2 wavelength.

【0018】また、このようにアンテナ収納状態ではい
ついかなるときでも着呼検出が可能であるので、操作者
は安心してアンテナを収納して無線機を持ち運びしやす
い状態にして携帯することができる。さらに内蔵アンテ
ナを設ける必要がないので、これと切替える手段や他の
実装部品との仕切りを設ける必要がない。また、これら
を配置するスペースを筐体に設ける必要もなく筐体を小
形に保ち、他の実装部品の配置自由度に影響を与えるこ
ともない。
In addition, since the incoming call can be detected at any time in the state where the antenna is housed, the operator can comfortably carry the antenna and carry the wireless device in a portable state. Further, since it is not necessary to provide a built-in antenna, it is not necessary to provide a means for switching to this and a partition with other mounted parts. Further, it is not necessary to provide a space for arranging these in the housing, the housing is kept small, and the degree of freedom of arrangement of other mounted components is not affected.

【0019】さらにつまみ内部にローディングコイルが
設けられて保護されているので、アンテナを収納して携
帯するときにコイルが傷つけられたり破損したりするの
を防止できる。また、携帯時に振動や風雨による外乱の
影響を受けないようにして通話品質を確実なものにでき
る。
Further, since the loading coil is provided and protected inside the knob, it is possible to prevent the coil from being damaged or damaged when the antenna is stored and carried. In addition, it is possible to ensure the call quality without being affected by vibrations and disturbances caused by wind and rain when carrying.

【0020】以上の実施例では第2のアンテナ部が棒状
である場合について述べたが、伸縮可能な長尺部材であ
ってもよい。この第2の実施例を第6,7図を使って説
明する。金属から成る筒上部材(44)の一端にはロー
ディングコイル(22)の基端部(48)が圧入固定さ
れ、他端側には可撓性を有するホイップ部(46)が摺
動自在に設けられている。ホイップ部(46)はステン
レスワイヤから成る芯線とこれの外周に設けられるポリ
アセタールなどの樹脂から成る外被とから構成される。
また、基端部側には上記実施例と同様な構成のストッパ
部(3a)が設けられる。一方、ホイップ部(46)の
先端部側には複数の板ばねから成る係止部(46a)が
設けられて、筒状部材(44)の内部に摺動自在に配設
される。
In the above-mentioned embodiments, the case where the second antenna portion is rod-shaped has been described, but it may be an elongated member which can expand and contract. The second embodiment will be described with reference to FIGS. A base end portion (48) of a loading coil (22) is press-fitted and fixed to one end of a tubular member (44) made of metal, and a flexible whip portion (46) is slidably attached to the other end side. It is provided. The whip (46) is composed of a core wire made of a stainless wire and an outer cover made of a resin such as polyacetal provided on the outer circumference of the core wire.
Further, a stopper portion (3a) having the same structure as that of the above embodiment is provided on the base end side. On the other hand, a locking portion (46a) composed of a plurality of leaf springs is provided on the tip end side of the whip portion (46) and is slidably disposed inside the tubular member (44).

【0021】係止部(46a)の弾性力は、舌片(11
a)による弾性保持力に比べ大きく設定されている。従
って、アンテナを伸長状態から収納しようとすると、係
止部(46a)が先に摺動してローディングコイル(2
2)の基端部(48)に当接しアンテナ(40)は縮め
られる。この状態でさらにアンテナが押下げられると縮
められたまま筐体(1)内に収納される(第7図参
照)。
The elastic force of the locking portion (46a) is due to the tongue piece (11
It is set to be larger than the elastic holding force according to a). Therefore, when the antenna is stored from the extended state, the locking portion (46a) slides first and the loading coil (2)
The antenna (40) is contracted by contacting the base end (48) of 2). When the antenna is further pushed down in this state, it is stored in the housing (1) while being contracted (see FIG. 7).

【0022】なお、ローディングコイルは第1のアンテ
ナ部のみならず、第2のアンテナ部に設ける構成として
もよい。このようにすればさらにアンテナの収納スペー
スを小さくすることができる。
The loading coil may be provided not only in the first antenna section but also in the second antenna section. By doing so, the storage space for the antenna can be further reduced.

【0023】また、ローディングコイルはつまみ内部に
設けて構成したが、コイルを露出させたり被覆してカー
ルコードの如く形成するようにしてもよい。
Although the loading coil is provided inside the knob, the coil may be exposed or covered to form a curl cord.

【0024】さらに第1のアンテナ部は給電部との接触
部分から先端までの長さが、電波の送・受可能な長さで
あればよいので、例えば第1のアンテナ部がすべてコイ
ルでもよいし、一部がコイルで一部が線状であってもよ
い。
Further, since the length from the contact portion with the power feeding portion to the tip of the first antenna portion may be a length capable of transmitting and receiving radio waves, for example, the first antenna portion may be all coils. However, a part may be a coil and a part may be linear.

【0025】また第1のアンテナ部、第2のアンテナ部
の長さは1/4波長以外に送信・受信可能な種々の長さ
にすることも可能である。
Further, the lengths of the first antenna portion and the second antenna portion can be set to various lengths that allow transmission / reception in addition to the quarter wavelength.

【0026】また、ローディングする手段としてコイル
のほかに、アンテナ長手方向に直交して設けられる容量
環や板状部材などでもよい。
Further, as a loading means, besides the coil, a capacitance ring or a plate-shaped member provided orthogonally to the longitudinal direction of the antenna may be used.

【0027】なお、以上の実施例では給電部はアンテナ
収納時に筐体を介して第1,第2アンテナ部の境界部に
接触するようにしたがこれに限定されない。すなわち、
給電部からみた第1のアンテナ部の長さを適当な長さに
しさえすれば、アンテナの他の位置に接触させるように
することも可能である。
In the above embodiment, the power feeding part is arranged to contact the boundary between the first and second antenna parts via the housing when the antenna is housed, but the invention is not limited to this. That is,
If the length of the first antenna section viewed from the power feeding section is set to an appropriate length, it is possible to make it contact the other position of the antenna.

【0028】[0028]

【発明の効果】本発明によれば、本無線機のユ−ザは待
受時には第1の接続部が筐体接合部の穴にカチリとはま
り込むまでアンテナを収縮させて、通話時には第2の接
続部が筐体接合部の穴にカチリとはまり込むまでアンテ
ナを伸長させればよいだけとなり、無線機の操作性を向
上させることができる。また待受時には筐体からロ−デ
ィングアンテナが突出しているのみの形状となるので携
帯性も非常に秀れたものとなる。
According to the present invention, the user of the present wireless device contracts the antenna during standby until the first connecting portion snaps into the hole of the housing joint portion and contracts the antenna during the second communication. It is only necessary to extend the antenna until the connection part of (1) is clicked into the hole of the housing joint part, and the operability of the wireless device can be improved. In addition, since the loading antenna has a shape that only protrudes from the housing during standby, portability is also extremely excellent.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の第1の実施例のアンテナの伸長状態を
示す断面図
FIG. 1 is a sectional view showing an extended state of an antenna according to a first embodiment of the present invention.

【図2】本発明の第1の実施例のアンテナ収納状態を示
す断面図
FIG. 2 is a sectional view showing a state where the antenna according to the first embodiment of the present invention is housed.

【図3】本発明の第1の実施例のアンテナの詳細を示す
断面図
FIG. 3 is a sectional view showing details of the antenna of the first embodiment of the present invention.

【図4】本発明の第1の実施例のアンテナの取付られる
無線機を示す斜視図である。
FIG. 4 is a perspective view showing a wireless device to which the antenna of the first embodiment of the present invention is attached.

【図5】本発明の第1の実施例の変形例のアンテナ収納
状態の概要図である。
FIG. 5 is a schematic diagram of a state where the antenna is accommodated in a modification of the first embodiment of the present invention.

【図6】本発明の第2の実施例を示す断面図である。FIG. 6 is a cross-sectional view showing a second embodiment of the present invention.

【図7】本発明の第2の実施例のアンテナの取付られる
無線機を示す斜視図である。
FIG. 7 is a perspective view showing a wireless device to which an antenna according to a second embodiment of the present invention is attached.

【図8】従来例のアンテナの伸長状態を示す断面図であ
る。
FIG. 8 is a cross-sectional view showing an extended state of a conventional antenna.

【図9】従来例のアンテナの収納状態を示す断面図であ
る。
FIG. 9 is a cross-sectional view showing a housed state of a conventional antenna.

【図10】従来例のアンテナの取付られる無線機を示す
斜視図である。
FIG. 10 is a perspective view showing a wireless device to which an antenna of a conventional example is attached.

【符号の説明】[Explanation of symbols]

1…筐体 7…給電部 20…アンテナ 20b…第1のアンテナ部 20c…第2のアンテナ部 21…つまみ 22…ローディングコイル DESCRIPTION OF SYMBOLS 1 ... Housing 7 ... Power feeding part 20 ... Antenna 20b ... 1st antenna part 20c ... 2nd antenna part 21 ... Knob 22 ... Loading coil

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 筐体と、 この筐体の一部位に設けられた所定長の内径の円形の穴
を有し、無線機の回路部と接続される筐体接合部と、 前記所定長より短かい外径を有し、前記穴を介して前記
筐体内または外に収納または伸長可能なロッド状アンテ
ナ部と、 前記ロッド状アンテナ部の一端に接続され、前記所定長
とほぼ同じ長さの外径の第1の接続部と、 前記ロッド状アンテナ部の他端に設けられ、前記所定長
とほぼ同じ長さの外径の第2の接続部と、 この第2の接続部に接続されたロ−ディングアンテナ部
とを備え、 前記第1の接続部が前記筐体接合部に接触している場合
は少なくとも前記ロッド状アンテナ部がアンテナとして
機能し、前記第2の接続部が前記筐体接合部に接触して
いる場合は、前記ロ−ディングアンテナ部がアンテナと
して機能することを特徴とするアンテナ。
1. A housing, a housing joint portion having a circular hole having an inner diameter of a predetermined length, which is provided at one portion of the housing, and is connected to a circuit portion of a radio device; A rod-shaped antenna portion having a short outer diameter and capable of being housed or extended in or out of the housing through the hole, and is connected to one end of the rod-shaped antenna portion and has a length substantially equal to the predetermined length. A first connecting portion having an outer diameter, a second connecting portion provided at the other end of the rod-shaped antenna portion and having an outer diameter substantially the same as the predetermined length, and connected to the second connecting portion. A loading antenna part, and at least the rod-shaped antenna part functions as an antenna when the first connecting part is in contact with the housing joining part, and the second connecting part is the housing. When in contact with the body junction, the loading antenna unit Antenna that is characterized by functioning as.
JP5260358A 1993-09-27 1993-09-27 Antenna and radio Expired - Lifetime JP2501413B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5260358A JP2501413B2 (en) 1993-09-27 1993-09-27 Antenna and radio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5260358A JP2501413B2 (en) 1993-09-27 1993-09-27 Antenna and radio

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2041281A Division JP2554762B2 (en) 1990-02-23 1990-02-23 Antenna and radio

Publications (2)

Publication Number Publication Date
JPH06196912A true JPH06196912A (en) 1994-07-15
JP2501413B2 JP2501413B2 (en) 1996-05-29

Family

ID=17346841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5260358A Expired - Lifetime JP2501413B2 (en) 1993-09-27 1993-09-27 Antenna and radio

Country Status (1)

Country Link
JP (1) JP2501413B2 (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017309U (en) * 1973-05-10 1975-02-25
JPS5452450A (en) * 1977-08-03 1979-04-25 Motorola Inc Adjustable antenna for portable radio transmitter*receiver
JPS60121992A (en) * 1983-11-30 1985-06-29 Matsushita Electric Works Ltd Drive signal generator circuit of stepping motor
JPS60134213A (en) * 1983-12-03 1985-07-17 カール・ツアイス‐スチフツング Object lens having conic section shaped reflecting surface
JPS6157608U (en) * 1984-09-14 1986-04-18
JPS6265678A (en) * 1985-09-14 1987-03-24 Tax Adm Agency Production of liquor
JPS63113308U (en) * 1987-01-14 1988-07-21
JPS63173934U (en) * 1987-04-30 1988-11-11
JPH01129503A (en) * 1987-11-13 1989-05-22 Matsushita Electric Ind Co Ltd Antenna system for portable radio equipment
JPH01160101A (en) * 1987-12-16 1989-06-23 Matsushita Electric Ind Co Ltd Antenna system
JPH01204504A (en) * 1988-02-10 1989-08-17 Fujitsu Ltd Antenna mechanism for radio equipment
JPH0237677A (en) * 1988-07-26 1990-02-07 Fujitsu Ltd Grounding structure of portable radio equipment
JPH03245603A (en) * 1990-02-23 1991-11-01 Toshiba Corp Antenna

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017309U (en) * 1973-05-10 1975-02-25
JPS5452450A (en) * 1977-08-03 1979-04-25 Motorola Inc Adjustable antenna for portable radio transmitter*receiver
JPS60121992A (en) * 1983-11-30 1985-06-29 Matsushita Electric Works Ltd Drive signal generator circuit of stepping motor
JPS60134213A (en) * 1983-12-03 1985-07-17 カール・ツアイス‐スチフツング Object lens having conic section shaped reflecting surface
JPS6157608U (en) * 1984-09-14 1986-04-18
JPS6265678A (en) * 1985-09-14 1987-03-24 Tax Adm Agency Production of liquor
JPS63113308U (en) * 1987-01-14 1988-07-21
JPS63173934U (en) * 1987-04-30 1988-11-11
JPH01129503A (en) * 1987-11-13 1989-05-22 Matsushita Electric Ind Co Ltd Antenna system for portable radio equipment
JPH01160101A (en) * 1987-12-16 1989-06-23 Matsushita Electric Ind Co Ltd Antenna system
JPH01204504A (en) * 1988-02-10 1989-08-17 Fujitsu Ltd Antenna mechanism for radio equipment
JPH0237677A (en) * 1988-07-26 1990-02-07 Fujitsu Ltd Grounding structure of portable radio equipment
JPH03245603A (en) * 1990-02-23 1991-11-01 Toshiba Corp Antenna

Also Published As

Publication number Publication date
JP2501413B2 (en) 1996-05-29

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