JPH04252523A - Mobile radio equipment - Google Patents
Mobile radio equipmentInfo
- Publication number
- JPH04252523A JPH04252523A JP3025048A JP2504891A JPH04252523A JP H04252523 A JPH04252523 A JP H04252523A JP 3025048 A JP3025048 A JP 3025048A JP 2504891 A JP2504891 A JP 2504891A JP H04252523 A JPH04252523 A JP H04252523A
- Authority
- JP
- Japan
- Prior art keywords
- antenna element
- mobile radio
- radio equipment
- section
- transmitting
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003973 paint Substances 0.000 abstract 1
- 238000007740 vapor deposition Methods 0.000 description 5
- 238000000151 deposition Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Structure Of Receivers (AREA)
- Support Of Aerials (AREA)
- Transceivers (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】この発明は、無線機筐体内にアン
テナ素子を設けた移動無線機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile radio device in which an antenna element is provided within a radio device housing.
【０００２】0002
【従来の技術】図２は従来の内蔵アンテナ素子を持つ移
動無線機を示す断面側面図であり、図において、１は無
線機本体、２は無線機筐体、３は無線機筐体２内に設け
たアンテナ素子、４は無線機筐体２内に設けた送受信部
、５はアンテナ素子３と送受信部４とのインピーダンス
整合を行う給電部である。BACKGROUND ART FIG. 2 is a cross-sectional side view showing a conventional mobile radio device having a built-in antenna element. 4 is a transmitting/receiving section provided in the radio housing 2, and 5 is a power feeding section that performs impedance matching between the antenna element 3 and the transmitting/receiving section 4.
【０００３】次に動作について説明する。アンテナ素子
３は板金を折りまげて作ってあり、基板上、あるいは無
線機筐体２内に固定されている。アンテナ素子３と送受
信部４とは給電部５により結ばれており、給電部５はイ
ンピーダンス整合回路から構成されている。送受信部４
で作られた送信信号は、給電部５を介してアンテナ素子
３に送られ、送信される。またアンテナ素子３で受信し
た受信信号は給電部５を介して送受信部４に送られ、復
調される。Next, the operation will be explained. The antenna element 3 is made by folding a sheet metal, and is fixed on a board or inside the radio housing 2. The antenna element 3 and the transmitting/receiving section 4 are connected by a power feeding section 5, and the power feeding section 5 is composed of an impedance matching circuit. Transceiver section 4
The transmission signal generated is sent to the antenna element 3 via the power feeding section 5 and transmitted. Further, the received signal received by the antenna element 3 is sent to the transmitting/receiving section 4 via the power feeding section 5 and demodulated.
【０００４】0004
【発明が解決しようとする課題】従来の移動無線機は以
上のように構成されているので、無線機筐体２の内部に
アンテナ素子３を収納するスペースが必要であり、装置
が大型になると共に、板金を折りまげたもので、アンテ
ナ素子３を構成しているため、装置が重くなる等の問題
があった。[Problems to be Solved by the Invention] Since the conventional mobile radio device is configured as described above, a space is required to house the antenna element 3 inside the radio device housing 2, and the device becomes large. In addition, since the antenna element 3 is made of a folded sheet metal, there is a problem that the device becomes heavy.
【０００５】この発明は上記のような課題を解消するた
めになされたもので、小型軽量の移動無線機を得ること
を目的とする。The present invention has been made to solve the above-mentioned problems, and its object is to provide a small and lightweight mobile radio device.
【０００６】[0006]
【課題を解決するための手段】この発明に係る移動無線
機は、無線機筐体の内壁の一部にアルミ蒸着等から成る
金属膜を施し、この部分をアンテナ素子として利用する
ものである。[Means for Solving the Problems] A mobile radio according to the present invention is such that a metal film made of aluminum vapor deposition or the like is applied to a part of the inner wall of the radio casing, and this part is used as an antenna element.
【０００７】[0007]
【作用】この発明における移動無線機は、無線機筐体内
壁に施したアルミ蒸着等から成る金属膜をアンテナ素子
として利用することにより、アンテナ素子を収納するた
めのスペースが必要なくなり、装置の小型化がはかれる
。また、板金をアンテナ素子として利用した場合より軽
量化がはかれる。[Operation] The mobile radio device according to the present invention uses a metal film made of aluminum vapor deposition on the inner wall of the radio device housing as an antenna element, thereby eliminating the need for space to house the antenna element and making the device compact. The transformation is measured. Furthermore, the antenna element is lighter in weight than when a sheet metal is used as the antenna element.
【０００８】[0008]
【実施例】以下、この発明の一実施例を図について説明
する。図１においては図２と対応する部分には同一符号
を付して説明を省略する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, parts corresponding to those in FIG. 2 are denoted by the same reference numerals, and explanations thereof will be omitted.
【０００９】図１において、６は無線機筐体２の内壁に
施したアルミ蒸着から成る金属膜を利用したアンテナ素
子、７は上記アンテナ素子６と給電部５とを電気的に接
続するためのアンテナ接触端子である。In FIG. 1, reference numeral 6 denotes an antenna element that utilizes a metal film made of vapor-deposited aluminum applied to the inner wall of the radio housing 2, and 7 an antenna element for electrically connecting the antenna element 6 and the feed section 5. This is the antenna contact terminal.
【００１０】次に、動作について説明する。アンテナ素
子６は無線機筐体２の内壁の一部にアルミ蒸着を施した
金属膜部分を利用しており、また、アンテナ接触端子７
は、アンテナ素子６と給電部５とを電気的に接続する板
金バネから成っている。Next, the operation will be explained. The antenna element 6 uses a metal film part formed by aluminum vapor deposition on a part of the inner wall of the radio housing 2, and the antenna contact terminal 7
is made up of a sheet metal spring that electrically connects the antenna element 6 and the power feeding section 5.
【００１１】送受信部４で作られた送信信号は、給電部
５及びアンテナ接触端子７を介してアンテナ素子６に送
られる。またアンテナ素子６で受信した受信信号は、ア
ンテナ接触端子７及び給電部５を介して送受信部４に送
られる。The transmission signal generated by the transmitting/receiving section 4 is sent to the antenna element 6 via the power feeding section 5 and the antenna contact terminal 7. Further, the reception signal received by the antenna element 6 is sent to the transmitting/receiving section 4 via the antenna contact terminal 7 and the power feeding section 5.
【００１２】なお、上記実施例ではアンテナ素子６とし
て、無線機筐体２内壁の一部にアルミ蒸着を施した金属
膜部分を利用したが、上記内壁の一部に導電塗料を塗布
して成る金属膜部分を利用してもよく、アルミ蒸着を施
す場合よりも低コストで実現できる。[0012] In the above embodiment, the antenna element 6 is made of a metal film formed by vapor-depositing aluminum on a part of the inner wall of the radio housing 2. A metal film portion may also be used, which can be achieved at a lower cost than using aluminum vapor deposition.
【００１３】さらに金属膜として導電性テープを無線機
筐体２の内面に沿って貼り付けてもよく、同様の効果を
奏する。Furthermore, a conductive tape may be attached as a metal film along the inner surface of the radio device housing 2, and the same effect can be obtained.
【００１４】また上記実施例では、アンテナ接触端子７
を板金バネを用いて構成したが、コイルバネでもよく、
その場合は、給電部５のインピーダンスマッチング用の
インダクタンスＬをコイルバネで共用することができる
。Furthermore, in the above embodiment, the antenna contact terminal 7
was constructed using a sheet metal spring, but a coil spring may also be used.
In that case, the inductance L for impedance matching of the power feeding unit 5 can be shared by the coil spring.
【００１５】[0015]
【発明の効果】以上のように、この発明によれば、移動
無線機の内蔵アンテナ素子として、無線機筐体内壁に施
したアルミ蒸着等から成る金属膜を用いる構成としたの
で、移動無線機の小型、軽量化を図ることができる効果
がある。As described above, according to the present invention, since the built-in antenna element of the mobile radio device is configured to use a metal film made of aluminum vapor deposition or the like applied to the inner wall of the radio device housing, the mobile radio device This has the effect of making it smaller and lighter.
【図１】この発明の一実施例による移動無線機を示す断
面側面図である。FIG. 1 is a cross-sectional side view showing a mobile radio according to an embodiment of the present invention.
【図２】従来の移動無線機を示す断面側面図である。FIG. 2 is a cross-sectional side view showing a conventional mobile radio.
２ 無線機筐体 ４ 送受信部 ５ 給電部 ６ アンテナ素子 ７ アンテナ接触端子 なお、図中、同一符号は同一又は相当部分を示す。 2 Radio case 4 Transmission/reception section 5 Power supply section 6 Antenna element 7 Antenna contact terminal In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
を行う送受信部と、上記無線機筐体の内壁に設けられた
金属膜から成るアンテナ素子と、上記送受信部とアンテ
ナ素子とのインピーダンス整合を行い両者を電気的に接
続する給電部とを備えた移動無線機。Claim 1: A transmitting/receiving unit that performs transmission and reception provided within a radio housing, an antenna element made of a metal film provided on an inner wall of the radio housing, and impedance between the transmitting/receiving unit and the antenna element. A mobile radio equipped with a power supply unit that performs matching and electrically connects the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3025048A JPH04252523A (en) | 1991-01-28 | 1991-01-28 | Mobile radio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3025048A JPH04252523A (en) | 1991-01-28 | 1991-01-28 | Mobile radio equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04252523A true JPH04252523A (en) | 1992-09-08 |
Family
ID=12155040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3025048A Pending JPH04252523A (en) | 1991-01-28 | 1991-01-28 | Mobile radio equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04252523A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615285A2 (en) * | 1993-03-11 | 1994-09-14 | Btg International Limited | Attaching an electronic circuit to a substrate |
| WO1999034525A1 (en) * | 1997-12-24 | 1999-07-08 | Mitsubishi Denki Kabushiki Kaisha | Pda antenna system |
| US6114998A (en) * | 1997-10-01 | 2000-09-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna unit having electrically steerable transmit and receive beams |
| JP2000307319A (en) * | 1999-04-20 | 2000-11-02 | Funai Electric Co Ltd | Receiver |
| US6470174B1 (en) | 1997-10-01 | 2002-10-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio unit casing including a high-gain antenna |
| KR100491884B1 (en) * | 2002-07-16 | 2005-05-30 | 엘지전자 주식회사 | Frequency Selective Surface painted antenna for a mobile phone |
| JP2018142619A (en) * | 2017-02-28 | 2018-09-13 | 日本電産リード株式会社 | Inductance element, t type filter, oscillation circuit, and method of manufacturing inductance element |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339842A (en) * | 1976-09-24 | 1978-04-12 | Nec Corp | Antenna for small size radio |
| JPS5762635A (en) * | 1980-10-01 | 1982-04-15 | Nec Corp | Portable radio eqipment |
| JPH0222563A (en) * | 1988-07-11 | 1990-01-25 | Nkk Corp | Detecting method for flow direction of air at periphery of body |
-
1991
- 1991-01-28 JP JP3025048A patent/JPH04252523A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339842A (en) * | 1976-09-24 | 1978-04-12 | Nec Corp | Antenna for small size radio |
| JPS5762635A (en) * | 1980-10-01 | 1982-04-15 | Nec Corp | Portable radio eqipment |
| JPH0222563A (en) * | 1988-07-11 | 1990-01-25 | Nkk Corp | Detecting method for flow direction of air at periphery of body |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615285A2 (en) * | 1993-03-11 | 1994-09-14 | Btg International Limited | Attaching an electronic circuit to a substrate |
| EP0615285A3 (en) * | 1993-03-11 | 1996-09-18 | Csir | Attaching an electronic circuit to a substrate. |
| US6114998A (en) * | 1997-10-01 | 2000-09-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna unit having electrically steerable transmit and receive beams |
| US6470174B1 (en) | 1997-10-01 | 2002-10-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio unit casing including a high-gain antenna |
| WO1999034525A1 (en) * | 1997-12-24 | 1999-07-08 | Mitsubishi Denki Kabushiki Kaisha | Pda antenna system |
| JP2000307319A (en) * | 1999-04-20 | 2000-11-02 | Funai Electric Co Ltd | Receiver |
| KR100491884B1 (en) * | 2002-07-16 | 2005-05-30 | 엘지전자 주식회사 | Frequency Selective Surface painted antenna for a mobile phone |
| JP2018142619A (en) * | 2017-02-28 | 2018-09-13 | 日本電産リード株式会社 | Inductance element, t type filter, oscillation circuit, and method of manufacturing inductance element |
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