JPS6055704A - Portable radio antenna - Google Patents
Portable radio antennaInfo
- Publication number
- JPS6055704A JPS6055704A JP16537583A JP16537583A JPS6055704A JP S6055704 A JPS6055704 A JP S6055704A JP 16537583 A JP16537583 A JP 16537583A JP 16537583 A JP16537583 A JP 16537583A JP S6055704 A JPS6055704 A JP S6055704A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- pole
- short
- portable
- radio
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
Landscapes
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は、例えば無線機本体に装着され、アンテナポ
ールを取りはずすことなく、外部アンテナへの給電もで
きる携帯無線用アンテナに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a portable radio antenna that is attached to, for example, a radio device body and can also feed power to an external antenna without removing the antenna pole.
従来この種の装置として第１図に示すものがあった。図
において、１は無線機本体、２はこの無線機本体１に着
脱自在に装着された携帯無線用アンテナ、３は外部据え
付はアンテナであり、４は外部据え付はアンテナ３に接
続され、上記無線機本体１と着脱自在の接栓４ａを備え
た同軸ケーブルである。A conventional device of this type is shown in FIG. In the figure, 1 is a radio device body, 2 is a portable radio antenna detachably attached to the radio device body 1, 3 is an externally installed antenna, 4 is an externally installed antenna connected to the antenna 3, This is a coaxial cable that includes the radio device main body 1 and a detachable plug 4a.
次にこの従来技術の作用について説明する。無線機本体
１を携帯用として用いる際には、無線機本体１に携帯無
線用アンテナ２を取り付けて使用し、無線機本体１を屋
内据え付は用や、車載用として用いる場合には、携帯無
線用アンテナ２を無線機本体１から取りはずし、それに
替えて外部据え付はアンテナ３を同軸ケーブル４を介し
て無線機本体ｌに接続する。以上のように無線機の用途
や、取り付は場所に応じて、アンテナを付は替え、その
アンテナを介して送受信を行なうものである。Next, the operation of this prior art will be explained. When using the radio main body 1 as a portable device, a portable radio antenna 2 is attached to the radio device main body 1. The radio antenna 2 is removed from the radio main body 1, and in place of it, an externally installed antenna 3 is connected to the radio main body 1 via a coaxial cable 4. As described above, the antenna is attached or removed depending on the purpose and location of the radio, and transmission and reception are performed through that antenna.
従来の携帯無線用アンテナは以上のように構成されてい
るので、外部据え付はアンテナ３を用いる際携帯無線用
アンテナ２を取りはずさな＋Ｊればならずアンテナ付は
替えの手間がかかり、また携帯無線用アンテナ２を取り
はずした際、それを紛失しやすいなどの欠点があった。Conventional portable radio antennas are configured as described above, so when using antenna 3 for external installation, it is necessary to remove portable radio antenna 2. There is a drawback that when the wireless antenna 2 is removed, it is easy to lose it.
この発明は上記のような従来のものの欠点を除去するた
めになされたもので、携帯無線用アンチ姉
すのアンテナボールを下方に何動して折りたたむだけで
、この携帯無線用アンテナの影響を除くことができ、外
部接続接栓に外部据え付はアンテナを接続するにより、
アンテナの付は替えができる携帯無線用アンテナを提供
することを目的としている。This invention was made in order to eliminate the drawbacks of the conventional ones as described above, and the influence of the antenna for mobile radio can be removed by simply folding the antenna ball of the antenna for mobile radio. By connecting the external antenna to the external connection plug, you can
The purpose is to provide a portable radio antenna whose antenna attachment can be replaced.
以下、この発明の一実施例を図について説明する。第２
図において、１は無線機本体、２はこの無ｕｔｔａ本体
１に装着され、外部アンテナへの接続接栓２ｂを備えた
携帯無線用アンテナ、３は外部据え付はアンテナ、４は
この外部据え付はアンテナ３に接続され、上記携帯無線
用アンテナ２の外部接続接栓２ｂと着脱自在の接栓４ａ
を備えた同軸ケーブルである。また、第３図は第２図の
要部を示す正面断面図及び１ｕ１１面図であり、２ａは
同軸形の給電接栓、２ｂは給電接栓２ａとその芯線２ｇ
を共用し、該給電接栓２ａと接続して形成された同軸形
の外部接続接栓、２ｃは上記２つの接栓２ａ、２ｂが共
用している芯線２ｇの中央部分に接続され、該芯線２ｇ
を中心に回転可能な構造を有し、長さが約４分の１波長
のアンテナボール、２ｄは上記２つの接栓２ａ、’ｌｂ
Ｏ外導体に接続され、長さが約４分の１波長の地導体棒
、２ｅは地導体棒２ｄの先端部分に付加され、アンテナ
ボール２ｃを折りたたんだ際、その先端部分においてこ
れを固定することができる短絡板で、これは地導体棒２
ｄ上をスライド移動可能な構造になっている。２ｆは上
記２つの接栓’ｌａ、２ｂ内の芯線２ｇ部分を外導体部
分と絶縁する絶縁体である。An embodiment of the present invention will be described below with reference to the drawings. Second
In the figure, 1 is the main body of the radio, 2 is a portable radio antenna that is attached to the main unit 1 and is equipped with a connection plug 2b for connecting to an external antenna, 3 is an externally installed antenna, and 4 is this externally installed antenna. is connected to the antenna 3, and is connected to the external connection plug 2b of the portable radio antenna 2 and the removable plug 4a.
It is a coaxial cable with In addition, FIG. 3 is a front sectional view and a 1u11 side view showing the main parts of FIG.
A coaxial external connection plug 2c formed by connecting to the power supply connector 2a is connected to the center portion of the core wire 2g that is shared by the two connectors 2a and 2b, and the core wire 2g
The antenna ball has a structure that can be rotated around the center and has a length of about 1/4 wavelength. 2d is the above two connectors 2a and 'lb.
A ground conductor rod 2e connected to the O outer conductor and having a length of approximately 1/4 wavelength is added to the tip of the ground conductor rod 2d, and fixes it at the tip when the antenna ball 2c is folded. This is a short circuit board that can be connected to the ground conductor bar 2.
It has a structure that allows it to slide on the d. 2f is an insulator that insulates the core wire 2g portion in the two connectors 'la and 2b from the outer conductor portion.
次に動作について説明する。携帯用として無線機を使用
する際は、第４図１ａｌに示すように、携帯無線用アン
テナ２のボール２Ｃを立てて、外部接続接栓２ｂは開放
にしておけば、その等価回路は第４図Ｔｂ）に示すよう
になり、ダイポールアンテナと同様の特性が得られる。Next, the operation will be explained. When using the radio as a portable device, as shown in FIG. As shown in Figure Tb), characteristics similar to those of a dipole antenna can be obtained.
また、自動車内で使用する等、外部アンテナ３に付は替
える必要があるときは、携帯無線用アンテナ２のボール
２Ｃを下方に回動して第５図（ａｌに示すように折りた
たみ、地導体棒２ｄに付加された短絡板２ｅに固定する
と、第５図（ｂ）に示すように、先端が短絡された４分
の１波長線路が構成されるため、給電接栓２ａからアン
テナボール２Ｃ側を見たインピーダンスは無限大となる
。そのため、アンテナボール２Ｃの影響を受けることな
く、外部接続接栓２ｂを介して、外部アンテナ３へ給電
することができる。In addition, when it is necessary to replace the external antenna 3, such as when using it in a car, rotate the ball 2C of the portable wireless antenna 2 downward and fold it as shown in Figure 5 (al). When fixed to the short-circuiting plate 2e attached to the rod 2d, a quarter-wavelength line with a short-circuited tip is formed as shown in FIG. The impedance seen by the antenna becomes infinite.Therefore, power can be supplied to the external antenna 3 via the external connection plug 2b without being affected by the antenna ball 2C.
また、この実施例においては、短絡板２ｅをスライド移
動させることで外部アンテナとのインピーダンス整合の
ｙｋｉｌｌｌ整が可能である。Further, in this embodiment, impedance matching with an external antenna can be adjusted by sliding the shorting plate 2e.
なお、上記実施例ではアンテナボール２Ｃの長さが４分
の１波長のものについて説明したが、他に８分の５波長
のものや第６図に示したような中間にローディングコイ
ルを有したアンテナボール等、よりアンテナ利得の高い
ものを使用することもできる。In the above embodiment, the antenna ball 2C has a length of 1/4 wavelength, but it is also possible to use an antenna ball 2C with a length of 5/8 wavelength or a loading coil in the middle as shown in FIG. It is also possible to use something with higher antenna gain, such as an antenna ball.
また、上記実施例では、地導体として、長さが４分の１
波長の地導体棒２ｄについて説明したが、この地導体棒
の形状は任意であり、また短絡板２ｅと給電接栓２ａの
間隔が４分の１波長、あるいはそれに半波長の整数倍を
加えた長さであればよい。例えば、この地導体欅２ｄは
第６図に示したように、無線機本体１の側面板を利用し
たもの２ｄ゛であってもよいし、第７図のように導体管
２ｄ“を用いたものでもよい。In addition, in the above embodiment, the length is 1/4 as the ground conductor.
Although the wavelength ground conductor rod 2d has been explained, the shape of this ground conductor rod can be arbitrary, and the distance between the shorting plate 2e and the power supply connector 2a can be set to a quarter wavelength, or an integral multiple of a half wavelength. Any length is fine. For example, the ground conductor 2d may be one that uses the side plate of the radio main body 1, as shown in Figure 6, or one that uses a conductor tube 2d'' as shown in Figure 7. It can be anything.
また、上記実施例では、アンテナボール２ｃと給電接栓
２ａの芯線２ｇ部分との取りつけ機構として、芯線２ｇ
を軸とする回転機構を用いた場合を説明したが、第７図
に示したように、アンテナボール２ｃが芯線２ｇと接触
しつつスライドする構造であってもよく、この図の場合
、アンテナボール２ｃは地導体管２ｄ″の内部に収納す
ることができ、携帯無線用アンテナ２を無線機本体１内
部に装着できるので、外観が簡素で使いやすくなる。な
おこの場合地導体管２ｄ″の凹部２ｅ”が短絡手段とな
っている。In the above embodiment, the core wire 2g is used as the attachment mechanism between the antenna ball 2c and the core wire 2g portion of the power supply connector 2a.
Although a case has been described in which a rotation mechanism with the antenna ball 2c as an axis is used, as shown in FIG. 2c can be stored inside the ground conductor tube 2d'', and the portable radio antenna 2 can be installed inside the radio body 1, making the appearance simple and easy to use.In this case, the recess of the ground conductor tube 2d''2e'' serves as a shorting means.
以上のように、この発明によれば、給電接栓と外部アン
テナ用接続接栓とを接続して形成し、両者間にアンテナ
ボールを回動自在又は上下動自在に設け、該アンテナボ
ールと同−又は平行な直線上に延びる地導体を設け、こ
の地導体に、上記アンテナボールを下方に移動して折り
たたんだときアンテナボールと地導体とを短絡する短絡
手段を設けて携帯無線用アンテナを構成したので、外部
アンテナへの給電装置の機能が付加された結果、アンテ
ナの付は替えの手間が少なくてすみ、携帯用アンテナを
常に無線機本体に取り付けたまま使用でき、紛失のおそ
れがない等の効果がある。As described above, according to the present invention, a power supply plug and an external antenna connection plug are connected and formed, and an antenna ball is provided between the two so as to be rotatable or vertically movable, and the same as the antenna ball. - Or, a portable radio antenna is constructed by providing a ground conductor extending in parallel straight lines, and providing a short-circuiting means for short-circuiting the antenna ball and the ground conductor when the antenna ball is moved downward and folded. As a result of adding the function of a power supply device to the external antenna, there is less need to replace the antenna attachment, and the portable antenna can always be used with it attached to the radio, so there is no risk of losing it. There is an effect.
第１図は従来の携帯無線用アンテナを示す斜視図、第２
図はこの発明の一実施例による斜視図、第３図Ｔａｌ
（ｂｌは第２図の要部を示す拡大正面図及び側面図、第
４図（ａｌ （ｂｌは無線機を携帯用として用いる場合
の斜視図及びその等価回路図、第５図（ａｌ （Ｌ＋１
は無線機を車載あるいは据え付は用として用い、外部ア
ンテナを使用する場合の斜視図及びその等価回路図、第
６図（ａ） （ｂｌは本発明の他の実施例の携帯用とし
て用いる場合及び据え付Ｌｊ用として用いる場合の斜視
図、第７図（ａｌ ｆｔｅｌは本発明のさらに他の実施
例を示す斜視図及びその−Ｂ１ζ断面図である。
図中、２ａは給電接栓、２ｂは外部接続接栓、２ｃはア
ンテナボール、２ｄは地導体環、２ｄ’・・・地導体側
面板、２ｄ”・・・地導体管、２ｅは短絡板、２ｅ゛
・・・凹部（短絡手段）、２ｆは絶縁体、２ｇは芯線、
２は携帯無線用アンテナ、３は外部アンテナである。
なお図中、同一符号は同−又は相当部分を示す。
代理人 大岩増雄
第１図
第３図
（ａ） （ｂ）Figure 1 is a perspective view of a conventional portable radio antenna;
The figure is a perspective view of one embodiment of the present invention;
(bl is an enlarged front view and side view showing the main parts of Fig. 2, Fig. 4 (al) (bl is a perspective view and its equivalent circuit diagram when the radio is used as a portable device, Fig. 5 (al (L+1
6(a) is a perspective view and its equivalent circuit diagram when the radio device is used in a vehicle or as a stationary device and an external antenna is used. FIG. 7 is a perspective view showing still another embodiment of the present invention and its -B1ζ sectional view. In the figure, 2a is a power supply connector, 2b is an external connection plug, 2c is an antenna ball, 2d is a ground conductor ring, 2d'...ground conductor side plate, 2d''...ground conductor tube, 2e is a short circuit plate, 2e''
... recess (short-circuiting means), 2f is an insulator, 2g is a core wire,
2 is a portable radio antenna, and 3 is an external antenna. In the drawings, the same reference numerals indicate the same or equivalent parts. Agent Masuo Oiwa Figure 1 Figure 3 (a) (b)
Claims (1)
外部アンテナ用接続接栓と、該両接栓のいずれかの芯線
と直角な方向に伸びかつ上下動自在又は該芯線を中心に
回動自在に設けられたアンテナポールと、該アンテナポ
ールと同−又は平行な直線上に配設され下方に移動した
上記アンテナポールと短絡するための短絡手段が設けら
れた地導体とを備えたことを特徴とする携帯無線用アン
テナ。 （２） 上記給電接栓と上記短絡手段との間隔を、約４
分の１波長またはそれに半波長の整数倍を加えた長さと
したことを特徴とする特許請求の範囲第１項記載の携帯
無線用アンテナ。[Scope of Claims] +11 A power supply connector, an external antenna connection connector formed by connecting to the power supply connector, and a connector that extends in a direction perpendicular to the core line of either of the connectors and is movable up and down. Or, short-circuiting means is provided for short-circuiting an antenna pole that is rotatably provided around the core wire and the antenna pole that is arranged on a straight line that is the same as or parallel to the antenna pole and has moved downward. A mobile radio antenna characterized by comprising a ground conductor. (2) The distance between the power supply plug and the short circuit means should be approximately 4
2. The portable radio antenna according to claim 1, wherein the antenna has a length of one-half wavelength or an integral multiple of half-wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16537583A JPS6055704A (en) | 1983-09-06 | 1983-09-06 | Portable radio antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16537583A JPS6055704A (en) | 1983-09-06 | 1983-09-06 | Portable radio antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6055704A true JPS6055704A (en) | 1985-04-01 |
Family
ID=15811175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16537583A Pending JPS6055704A (en) | 1983-09-06 | 1983-09-06 | Portable radio antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6055704A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148455U (en) * | 1983-03-25 | 1984-10-04 | 日産ディーゼル工業株式会社 | Oil pan for internal combustion engines |
| JPH01134760U (en) * | 1988-03-09 | 1989-09-14 | ||
| US5218370A (en) * | 1990-12-10 | 1993-06-08 | Blaese Herbert R | Knuckle swivel antenna for portable telephone |
| JPH06204908A (en) * | 1993-01-07 | 1994-07-22 | Nippon Motorola Ltd | Radio equipment antenna |
| US5357262A (en) * | 1991-12-10 | 1994-10-18 | Blaese Herbert R | Auxiliary antenna connector |
| US5828341A (en) * | 1996-03-29 | 1998-10-27 | Itronix Corporation | Laptop computer having internal radio with interchangeable antenna features |
| WO2002082876A1 (en) * | 2001-03-30 | 2002-10-17 | Matsushita Electric Industrial Co., Ltd. | Storage case |
-
1983
- 1983-09-06 JP JP16537583A patent/JPS6055704A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148455U (en) * | 1983-03-25 | 1984-10-04 | 日産ディーゼル工業株式会社 | Oil pan for internal combustion engines |
| JPH01134760U (en) * | 1988-03-09 | 1989-09-14 | ||
| JPH0313556Y2 (en) * | 1988-03-09 | 1991-03-27 | ||
| US5218370A (en) * | 1990-12-10 | 1993-06-08 | Blaese Herbert R | Knuckle swivel antenna for portable telephone |
| US5357262A (en) * | 1991-12-10 | 1994-10-18 | Blaese Herbert R | Auxiliary antenna connector |
| JPH06204908A (en) * | 1993-01-07 | 1994-07-22 | Nippon Motorola Ltd | Radio equipment antenna |
| US5828341A (en) * | 1996-03-29 | 1998-10-27 | Itronix Corporation | Laptop computer having internal radio with interchangeable antenna features |
| WO2002082876A1 (en) * | 2001-03-30 | 2002-10-17 | Matsushita Electric Industrial Co., Ltd. | Storage case |
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