JP2003158415A - Equipment with radio communication function - Google Patents
Equipment with radio communication functionInfo
- Publication number
- JP2003158415A JP2003158415A JP2001354203A JP2001354203A JP2003158415A JP 2003158415 A JP2003158415 A JP 2003158415A JP 2001354203 A JP2001354203 A JP 2001354203A JP 2001354203 A JP2001354203 A JP 2001354203A JP 2003158415 A JP2003158415 A JP 2003158415A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- resin
- housing
- dielectric
- dielectric resin
- 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
Landscapes
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
- Waveguide Aerials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、携帯電話等の移
動体通信端末機器、移動型情報処理機器、無線ＬＡＮ構
成機器、ＧＰＳ等の位置情報案内機器など、電磁波によ
り通信を行う通信回路を備えた無線通信機能付き機器に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a communication circuit for performing communication by electromagnetic waves, such as a mobile communication terminal device such as a mobile phone, a mobile information processing device, a wireless LAN component device, a position information guide device such as GPS. And a device with a wireless communication function.
【０００２】[0002]
【従来の技術】一般に、電磁波を用いて無線通信を行う
機器は、外部に共振型のアンテナを取付けて送受信を行
う。ところが、携帯電話やその他の携帯機器の中には、
収容可能な外部アンテナと待受時用の受信専用内部アン
テナを持つもの、または近距離通信用の内部アンテナの
み持つもの等がある。これらの内部アンテナは、高周波
回路基板から数ミリ程度離した位置に設置した金属板
（携帯電話の逆Ｆ型アンテナなど）、または誘電体セラ
ミックスのブロックに電極を取付けたもの（パッチアン
テナなど）であり、これを基板上に半田付けして用い
る。図１１は、従来の携帯電話の一例を示し、筐体５３
内に設けられた回路基盤５２に、内部アンテナ５４が取
付られている。内部アンテナ５４は、逆Ｆ型アンテナと
され、筐体５３の電池収納部５５と反対側の端部付近に
配置されている。筐体５３は、電磁波の放射部となるア
ンテナ５４の付近を除いて、シールドメッキ層（図示せ
ず）が施されている。2. Description of the Related Art Generally, a device for performing wireless communication using electromagnetic waves has a resonance type antenna attached to the outside for transmission and reception. However, some mobile phones and other mobile devices
Some have an external antenna that can be accommodated and a receive-only internal antenna for standby, or have only an internal antenna for short-range communication. These internal antennas are metal plates (inverted F-type antennas for mobile phones, etc.) placed a few millimeters away from the high-frequency circuit board, or dielectric ceramic blocks with electrodes attached (patch antennas, etc.). Yes, this is soldered onto a board for use. FIG. 11 shows an example of a conventional mobile phone, which has a housing 53.
An internal antenna 54 is attached to a circuit board 52 provided inside. The internal antenna 54 is an inverted F-type antenna, and is arranged near the end of the housing 53 on the opposite side of the battery storage portion 55. The casing 53 is provided with a shield plating layer (not shown) except for the vicinity of the antenna 54 which serves as an electromagnetic wave radiation portion.
【０００３】[0003]
【発明が解決しようとする課題】上記各従来例に示すよ
うな内部アンテナを設けたものは、筐体空間内および回
路基板上にアンテナ配置用のスペースを確保する必要が
あり、無線通信機能付き機器の小型化，軽量化が困難で
あった。また、小型化が困難であることから、小型化を
図るうえで、外観デザインの自由度が制限されていた。In the case where the internal antenna as shown in each of the above-mentioned conventional examples is provided, it is necessary to secure a space for arranging the antenna in the housing space and on the circuit board, and the wireless communication function is provided. It was difficult to reduce the size and weight of the equipment. Further, since it is difficult to reduce the size, the degree of freedom in external design has been limited in reducing the size.
【０００４】この発明の目的は、機器の小型化、軽量
化、および外観デザインの自由度を高めることのできる
無線通信機能付き機器を提供することである。An object of the present invention is to provide a device with a wireless communication function, which can reduce the size and weight of the device and increase the degree of freedom in external design.
【０００５】[0005]
【課題を解決するための手段】この発明の無線通信機能
付き機器は、電磁波により通信を行う通信回路を備えた
無線通信機能付き機器において、筐体の一部を上記通信
のためのアンテナで構成したものである。上記アンテナ
としては、例えばパッチアンテナを用いることができ
る。この構成によると、筐体の一部がアンテナとなるた
め、筐体内にアンテナを収容するスペースが不要とな
り、それだけ機器が小型できる。機器が小型化でき、ま
たアンテナとなる部分だけ筐体の材料が少なくなるた
め、軽量化される。また内部にアンテナの収容スペース
が不要で、機器の小型化が容易なため、外観デザインの
自由度も高まる。なお、この発明の無線通信機能付き機
器は、電磁波により通信を行う通信回路を備えた機器一
般に適用でき、携帯電話等の通信専用または通信を主機
能とした通信機器を始め、移動型情報処理機器など、機
器の主機能が通信とは別であって、通信機能を備えた機
器にも適用することができる。A device with a wireless communication function of the present invention is a device with a wireless communication function including a communication circuit for performing communication by electromagnetic waves, and a part of a housing is formed by an antenna for the communication. It was done. As the antenna, for example, a patch antenna can be used. According to this structure, since a part of the housing serves as an antenna, a space for housing the antenna in the housing is not required, and the device can be downsized accordingly. The size of the device can be reduced, and the material of the housing is reduced only in the portion that serves as the antenna, and thus the weight can be reduced. In addition, since the space for housing the antenna is not required inside and the size of the device can be easily reduced, the degree of freedom in external design is increased. The device with a wireless communication function of the present invention is generally applicable to devices equipped with a communication circuit that performs communication by electromagnetic waves, and includes mobile communication devices such as communication devices dedicated to communication or having communication as a main function, and mobile information processing devices. For example, the main function of the device is different from the communication, and the device can be applied to the device having the communication function.
【０００６】上記アンテナとしては、放射用電極と誘電
体樹脂とを有する誘電体樹脂アンテナが使用できる。こ
の誘電体樹脂アンテナは、放射用電極と接地用電極との
間に誘電体樹脂を介在させたものであっても、また接地
用電極を省略したものであっても良い。放射用電極等の
電極は、金属箔等の金属製の導電体であっても、導電性
樹脂であっても良い。誘電体樹脂アンテナは、高誘電特
性の誘電体樹脂を用いた小型，高機能のものが開発され
ており、従来のセラミックス誘電体に比べて成型性に優
れるという利点がある。このような高誘電特性を持つ樹
脂を使用することで、筐体の肉厚内に収めることが可能
である。As the antenna, a dielectric resin antenna having a radiation electrode and a dielectric resin can be used. The dielectric resin antenna may have a dielectric resin interposed between the radiation electrode and the ground electrode, or may have the ground electrode omitted. Electrodes such as the radiation electrode may be a metal conductor such as a metal foil or a conductive resin. A small-sized and high-performance dielectric resin antenna has been developed using a dielectric resin having a high dielectric property, and has an advantage that it is excellent in moldability as compared with a conventional ceramic dielectric. By using a resin having such a high dielectric property, it is possible to store the resin within the thickness of the housing.
【０００７】上記アンテナを誘電体樹脂アンテナとする
場合、筐体の上記誘電体樹脂アンテナ以外の部分を樹脂
製とすることが好ましい。このように樹脂製とすると、
誘電体樹脂アンテナと筐体の他の部分との一体化が容易
である。一体化は、次のように行える。例えば、上記筐
体の上記誘電体樹脂アンテナ以外の部分が樹脂製であっ
て、この誘電体樹脂アンテナ以外の部分と上記誘電体樹
脂アンテナとが一体に成形されたものとする。この一体
の形成には射出成形等を用いる。誘電体樹脂アンテナの
放射用電極等となる電極が金属材料である場合、この電
極はインサート成形により筐体と一体化する。また誘電
体樹脂アンテナの誘電体となる樹脂材料と、筐体の他の
部分を構成する樹脂材料とは、２色成形ないし３色成形
の手法により同じ金型内で射出成形することができる。
このように、複数種の樹脂を同じ金型内で射出成形する
方法を採用することにより、生産性良く誘電体樹脂アン
テナ付きの筐体の製造が行える。When the antenna is a dielectric resin antenna, it is preferable that the portion of the housing other than the dielectric resin antenna is made of resin. If it is made of resin like this,
It is easy to integrate the dielectric resin antenna with other parts of the housing. The integration can be performed as follows. For example, it is assumed that the portion of the casing other than the dielectric resin antenna is made of resin, and the portion other than the dielectric resin antenna and the dielectric resin antenna are integrally molded. Injection molding or the like is used for this integral formation. When the electrode used as the radiation electrode of the dielectric resin antenna is a metal material, this electrode is integrated with the housing by insert molding. Further, the resin material serving as the dielectric of the dielectric resin antenna and the resin material forming the other part of the housing can be injection-molded in the same mold by a two-color molding method or a three-color molding method.
Thus, by adopting the method of injection-molding a plurality of types of resins in the same mold, it is possible to manufacture a housing with a dielectric resin antenna with high productivity.
【０００８】また、上記誘電体樹脂アンテナの誘電体樹
脂は、樹脂材料の塗布層であっても良い。例えば、筐体
の誘電体樹脂アンテナ以外の部分を射出成形しておき、
これに放電電極を配置するか、または放射用電極を含め
て筐体を射出成形しておき、この後に誘電体樹脂アンテ
ナの誘電体樹脂を塗布する。接地用電極を設ける場合
は、塗布された誘電体樹脂の上に接地用電極を取付け
る。このように誘電体樹脂アンテナの誘電体樹脂を塗布
層とした場合、射出成形により全体を一体に成形する場
合に比べて、塗布の工程は増えるが、射出成形の技術が
容易となり、容易に製造することができる。The dielectric resin of the dielectric resin antenna may be a coating layer of resin material. For example, injection molding the parts other than the dielectric resin antenna of the housing,
A discharge electrode is arranged on this, or a housing including the radiation electrode is injection-molded, and then the dielectric resin of the dielectric resin antenna is applied. When providing the grounding electrode, the grounding electrode is mounted on the applied dielectric resin. In this way, when the dielectric resin of the dielectric resin antenna is used as the coating layer, the number of coating steps is increased compared to the case where the whole is integrally molded by injection molding, but the injection molding technology is easier and easier to manufacture. can do.
【０００９】この発明の無線通信機能付き機器におい
て、誘電体樹脂アンテナの筐体外面側の面および外周
を、この誘電体樹脂アンテナの誘電体よりも誘電率の低
い樹脂である低誘電率樹脂で覆い、筐体のその他の部分
を導電性のものとしても良い。このように、誘電体樹脂
アンテナの筐体外面側の面を低誘電率樹脂で覆うことに
より、電磁波の通過を許しながら、誘電体樹脂アンテナ
を筐体の外部から保護することができる。また、筐体の
その他の部分を導電性のものとすることにより、つまり
電磁波の放射部以外の筐体部分を導電性のものとするこ
とにより、筐体内に配置される高周波回路基板からの不
要輻射を遮断すると共に、外部からの電磁波の進入を遮
断することができる。また、誘電体樹脂アンテナの周囲
を低誘電率樹脂で覆ったことにより、導電性の筐体部分
と誘電体樹脂アンテナの放射用電極との干渉が回避でき
る。In the device with the wireless communication function of the present invention, the surface and the outer periphery of the housing of the dielectric resin antenna are made of a low dielectric constant resin having a lower dielectric constant than the dielectric material of the dielectric resin antenna. The cover and other parts of the housing may be made conductive. Thus, by covering the outer surface of the dielectric resin antenna with the low dielectric constant resin, it is possible to protect the dielectric resin antenna from the outside of the housing while allowing the passage of electromagnetic waves. Further, by making the other parts of the housing conductive, that is, by making the housing parts other than the electromagnetic wave radiation part conductive, it is unnecessary from the high-frequency circuit board arranged in the housing. It is possible to block not only radiation but also electromagnetic waves from the outside. Further, by covering the periphery of the dielectric resin antenna with the low dielectric constant resin, it is possible to avoid interference between the conductive casing portion and the radiation electrode of the dielectric resin antenna.
【００１０】筐体と上記その他の部分は、導電性樹脂で
構成することにより、または非導電性樹脂で構成して導
電性の被膜を形成することによって導電性としても良
い。導電性樹脂で構成した場合、被膜の形成工程が不要
で、筐体の製造工程が簡素化される。The housing and the other portions may be made conductive by being made of a conductive resin or by being made of a non-conductive resin and forming a conductive coating. When it is made of a conductive resin, the step of forming the coating is unnecessary, and the manufacturing process of the housing is simplified.
【００１１】上記誘電体樹脂アンテナが、筐体の本体と
は別体のアンテナ付き筐体構成部品に設けられて上記筐
体の本体に取付けられたものであって良い。このアンテ
ナ付き筐体構成部品は、放射用電極および誘電体樹脂を
有する誘電体樹脂アンテナと、この誘電体樹脂アンテナ
の筐体外面側の面および外周を覆う低誘電率樹脂部とを
有し、この低誘電率樹脂部が、誘電体樹脂アンテナの誘
電体よりも誘電率の低い誘電体樹脂とされたものであっ
ても良い。このように、筐体の本体とは別体のアンテナ
付き筐体構成部品を用いる場合、アンテナ付き筐体構成
部品を各種の筐体に共通のものとして量産することがで
きて、筐体の製造が簡素化でき、またデザイン変更等へ
の対応が容易である。The dielectric resin antenna may be provided in a housing component with an antenna, which is separate from the body of the housing, and attached to the body of the housing. This antenna-equipped housing component has a dielectric resin antenna having a radiation electrode and a dielectric resin, and a low-dielectric-constant resin portion that covers the housing outer surface side surface and outer periphery of the dielectric resin antenna, The low dielectric constant resin portion may be made of a dielectric resin having a lower dielectric constant than the dielectric material of the dielectric resin antenna. As described above, when the housing component with the antenna that is separate from the main body of the housing is used, the housing component with the antenna can be mass-produced as common to various housings, and the manufacturing of the housing can be performed. Can be simplified, and it is easy to deal with design changes.
【００１２】[0012]
【発明の実施の形態】この発明の第１の実施形態を図１
および図２と共に説明する。この無線通信機能付き機器
１は、電磁波により通信を行う通信回路２を備えた無線
通信機能付き機器において、筐体３の一部を、上記通信
のためのアンテナ４で構成したものである。したがっ
て、筐体３は、アンテナ付き筐体となっている。無線通
信機能付き機器１は、電磁波により通信を行う通信回路
２を備えた機器であれば良いが、この実施形態は、携帯
電話に適用した例を示している。通信回路２は、筐体３
内に収容された回路基板５に設けられ、アンテナ４と配
線またはコネクタ（図示せず）等で接続されている。筐
体３は、複数の分割筐体３Ａ，３Ｂにより構成され、そ
の一部の分割筐体３Ａの一部が上記アンテナ４とされて
いる。1 is a block diagram of a first embodiment of the present invention.
And it demonstrates with FIG. This wireless communication function-equipped device 1 is a wireless communication function-equipped device provided with a communication circuit 2 that performs communication by electromagnetic waves, and a part of a housing 3 is configured with an antenna 4 for communication. Therefore, the housing 3 is a housing with an antenna. The device 1 with a wireless communication function may be any device that includes the communication circuit 2 that performs communication by electromagnetic waves, but this embodiment shows an example applied to a mobile phone. The communication circuit 2 includes a housing 3
It is provided on a circuit board 5 housed inside and is connected to the antenna 4 by wiring or a connector (not shown). The casing 3 is composed of a plurality of divided casings 3A and 3B, and a part of the divided casing 3A serves as the antenna 4.
【００１３】アンテナ４は、図１（Ｂ）に拡大して示す
ように、放射用電極６と誘電体樹脂８とを有する誘電体
樹脂アンテナであり、放射用電極６と接地用電極７との
間に誘電体樹脂９を介在させたパッチアンテナとしてあ
る。誘電体樹脂アンテナ４の誘電体樹脂９は高誘電率樹
脂である。放射用電極６および接地用電極７は、金属箔
体等の金属製の導電体、または導電製樹脂からなる。誘
電体樹脂アンテナ４の筐体３の外面側となる面および外
周は、この誘電体樹脂アンテナ４の誘電体樹脂８よりも
誘電率の低い樹脂である低誘電率樹脂９で覆ってある。
この低誘電率樹脂９の部分は、誘電体樹脂アンテナ４の
上記外面側を覆う外面覆い部９ａと、外周を囲む外周囲
み部９ｂとで構成される。筐体３のその他の部分、つま
り一般部３ａは、導電性樹脂からなり、導電性としてあ
る。誘電体樹脂アンテナ４の誘電体樹脂８、筐体３の低
誘電率樹脂９、および一般部３ａの樹脂材料は、いずれ
も射出形成可能な樹脂材料としてあり、例えば熱可塑性
樹脂としてある。As shown in the enlarged view of FIG. 1B, the antenna 4 is a dielectric resin antenna having a radiation electrode 6 and a dielectric resin 8. The antenna 4 includes a radiation electrode 6 and a ground electrode 7. This is a patch antenna with a dielectric resin 9 interposed therebetween. The dielectric resin 9 of the dielectric resin antenna 4 is a high dielectric constant resin. The radiation electrode 6 and the ground electrode 7 are made of a metal conductor such as a metal foil body or a conductive resin. The surface of the dielectric resin antenna 4 which is the outer surface side of the housing 3 and the outer periphery are covered with a low dielectric constant resin 9 having a lower dielectric constant than the dielectric resin 8 of the dielectric resin antenna 4.
The portion of the low dielectric constant resin 9 is composed of an outer surface covering portion 9a that covers the outer surface side of the dielectric resin antenna 4 and an outer peripheral portion 9b that surrounds the outer periphery. The other portion of the housing 3, that is, the general portion 3a is made of a conductive resin and is conductive. The dielectric resin 8 of the dielectric resin antenna 4, the low dielectric constant resin 9 of the housing 3, and the resin material of the general portion 3a are all resin materials that can be injection-molded, for example, thermoplastic resin.
【００１４】誘電体樹脂アンテナ４において、接地用電
極７は省略しても良く、その場合、図５に示すように、
誘電体樹脂アンテナ４は放射用電極６と誘電体樹脂９と
で構成される。また、誘電体樹脂アンテナ４の低誘電率
樹脂９の部分は、絶縁体としても良い。筐体３の一般部
３ａは、導電性樹脂を用いる代わりに、非導電性樹脂を
用い、図６に示すように導電性の被膜１１を設けること
で、一般部３ａが導電性を有するものとしても良い。被
膜１１は、例えばシールドメッキを用いることができ
る。In the dielectric resin antenna 4, the ground electrode 7 may be omitted, and in that case, as shown in FIG.
The dielectric resin antenna 4 is composed of a radiation electrode 6 and a dielectric resin 9. Further, the low dielectric constant resin 9 portion of the dielectric resin antenna 4 may be an insulator. The general portion 3a of the housing 3 is made of a non-conductive resin instead of the conductive resin, and the conductive film 11 is provided as shown in FIG. Is also good. The coating 11 may be shield plating, for example.
【００１５】筐体３の製造方法としては、例えば次の２
種類の方法が採用できる。
（１）全体を射出成形する方法。
誘電体樹脂アンテナ４の各電極６，７をインサート成形
することによって、筐体３（または分割筐体３Ａ）の全
体を一体に射出成形する。筐体３がこの実施形態のよう
に複数の分割筐体３Ａ，３Ｂからなる場合は、筐体３の
うちの誘電体樹脂アンテナ４を有する分割筐体３Ａの全
体を一体に射出成形する。このように一体に射出成形す
る場合に、誘電体樹脂アンテナ４の誘電体樹脂８、筐体
３の低誘電率樹脂９、および一般部３ａの樹脂材料は、
それぞれ異なる材料のため、３色成形の手法によって、
これらの樹脂材料を同じ金型内で一体に射出成形する。
このように筐体３，３Ａの全体を一体に射出成形する
と、生産性が高められる。誘電体樹脂アンテナ４の電極
６，７が導電性樹脂である場合は、インサート成形によ
らず、電極６，７を含めて筐体３，３Ａの全体を多色成
形の技法によって、同じ金型内で一体に射出成形しても
良い。As a method of manufacturing the housing 3, for example, the following 2
Different types of methods can be adopted. (1) A method of injection molding the whole. By insert-molding the electrodes 6 and 7 of the dielectric resin antenna 4, the entire housing 3 (or the split housing 3A) is integrally injection-molded. When the casing 3 is composed of a plurality of divided casings 3A and 3B as in this embodiment, the entire divided casing 3A having the dielectric resin antenna 4 of the casing 3 is integrally injection-molded. When integrally injection-molding as described above, the dielectric resin 8 of the dielectric resin antenna 4, the low dielectric constant resin 9 of the housing 3, and the resin material of the general portion 3a are
Due to the different materials, the three-color molding method
These resin materials are integrally injection-molded in the same mold.
In this way, if the entire casings 3 and 3A are integrally injection-molded, the productivity is improved. When the electrodes 6 and 7 of the dielectric resin antenna 4 are made of a conductive resin, the entire housing 3, 3A including the electrodes 6 and 7 is molded by the same multi-color molding technique without using the insert molding. It may be integrally injection-molded inside.
【００１６】（２）塗布を用いる方法。
図３（Ａ）に示すように、筐体３の一般部３ａと、低誘
電率樹脂９の部分を一体に射出成形し、低誘電率樹脂９
の内側に放射用電極６を取付け（同図（Ｂ））、その内
側に誘電体樹脂８を塗布する（同図（Ｃ））。さらに、
その内側に接地用電極７を取付ける（同図（Ｄ））。放
射用電極６の取付けは、接着により行っても、また蒸着
により放射用電極６となる被膜層を形成することにより
行っても良く、また筐体３の一般部３ａと低誘電率樹脂
９の部分との射出成形時に、インサート成形で行っても
良い。接地用電極７の取付は、接着または蒸着により行
っても良い。このように誘電体樹脂アンテナ４の誘電体
樹脂８の部分を塗布により形成するようにすると、２色
成形により筐体３の一般部３ａと低誘電率樹脂９の部分
が一体に射出成形でき、簡単な成形技術で安価に製造で
きる。(2) A method using coating. As shown in FIG. 3A, the general portion 3a of the housing 3 and the portion of the low dielectric constant resin 9 are integrally injection-molded to form the low dielectric constant resin 9
The radiation electrode 6 is attached to the inner side of the same (FIG. 2B), and the dielectric resin 8 is applied to the inner side (FIG. 2C). further,
The grounding electrode 7 is attached to the inside (FIG. 2 (D)). The radiation electrode 6 may be attached by adhesion, or by forming a coating layer to be the radiation electrode 6 by vapor deposition, and the general portion 3a of the housing 3 and the low dielectric constant resin 9 may be attached. Insert molding may be performed at the time of injection molding with the part. The ground electrode 7 may be attached by adhesion or vapor deposition. When the dielectric resin 8 portion of the dielectric resin antenna 4 is thus formed by coating, the general portion 3a of the housing 3 and the low dielectric constant resin 9 portion can be integrally injection-molded by two-color molding, It can be manufactured at low cost with a simple molding technique.
【００１７】誘電体樹脂アンテナ４における放射用電極
６への配線の接続は、例えば誘電体樹脂アンテナ４にス
ルーホール（図示せず）を設け、これに配線（図示せ
ず）を通して接続される。この他に、図４に示すよう
に、放射用電極６と接続された端子１０を、誘電体樹脂
アンテナ４の筐体内側面に露出するように設けておいて
もよく、これにより配線の接続が簡単に行える。To connect the wiring to the radiation electrode 6 in the dielectric resin antenna 4, for example, a through hole (not shown) is provided in the dielectric resin antenna 4 and the wiring is connected to the through hole (not shown). In addition to this, as shown in FIG. 4, the terminal 10 connected to the radiation electrode 6 may be provided so as to be exposed at the inner side surface of the housing of the dielectric resin antenna 4, so that the wiring can be connected. Easy to do.
【００１８】この実施形態と共に説明した上記の各構成
は、無線通信機能付き機器１が携帯電話である場合に限
らず、電磁波により通信を行う通信回路２を備えた無線
通信機能付き機器一般に適用できる。無線通信機能付き
機器１が携帯電話である場合、筐体３は、上記のように
複数、例えば２つの分割筐体３Ａ，３Ｂで構成され、両
分割筐体３Ａ，３Ｂが周縁で合わさって内部空間が閉状
態の中空の筐体３とされる。このうち、機器の裏側の分
割筐体３Ａに誘電体樹脂アンテナ４が設けられる。この
裏側の分割筐体３Ａに、電池収納空間１２が形成され、
開閉蓋３Ｃにより電池収納空間１２が閉じられる。表側
の分割筐体３Ｂには、図２に示すように、画面表示手段
１３と、キースイッチ等からなる複数の操作手段１４と
が設けられる。The above-described respective configurations described with this embodiment are not limited to the case where the device 1 with a wireless communication function is a mobile phone, but can be applied to general devices with a wireless communication function provided with a communication circuit 2 for performing communication by electromagnetic waves. . When the device with wireless communication function 1 is a mobile phone, the casing 3 is composed of a plurality of, for example, two divided casings 3A and 3B as described above, and the two divided casings 3A and 3B are joined together at the periphery to form the inside. The space is a hollow housing 3 in a closed state. Among them, the dielectric resin antenna 4 is provided in the divided casing 3A on the back side of the device. The battery housing space 12 is formed in the rear divided housing 3A,
The battery storage space 12 is closed by the opening / closing lid 3C. As shown in FIG. 2, a screen display unit 13 and a plurality of operation units 14 including key switches and the like are provided in the front side divided casing 3B.
【００１９】各樹脂の材質例を説明する。誘電体樹脂ア
ンテナ４の誘電体樹脂８としては、所定の誘電体部分を
形成できるのであれば特に制限はないが、耐熱性及び強
度に優れた樹脂が好ましく、次のものを例示できる。熱
可塑性芳香族ポリエステル樹脂、ポリフェニレンサルフ
ァイド樹脂、シンジオタクチックポリスチレン樹脂、ポ
リフェニレンエーテル樹脂、ポリエーテルイミド樹脂、
ポリカーボネート樹脂、ポリアセタール樹脂、ポリサル
ホン樹脂、ポリエーテルサルホン樹脂、ポリアミドイミ
ド樹脂、ポリアリレート樹脂、５−メチルペンテン樹
脂、ポリエチレンテレフタレート樹脂、ポリアリーレン
サルファイド樹脂、等の熱可塑性樹脂や、エポキシ樹
脂、フェノール樹脂、不飽和ポリエステル樹脂、ポリエ
ーテルエーテルケトン樹脂等の熱硬化性樹脂を挙げるこ
とができ、これらは２以上のアロイであってもよい。A material example of each resin will be described. The dielectric resin 8 of the dielectric resin antenna 4 is not particularly limited as long as it can form a predetermined dielectric portion, but a resin excellent in heat resistance and strength is preferable, and the following can be exemplified. Thermoplastic aromatic polyester resin, polyphenylene sulfide resin, syndiotactic polystyrene resin, polyphenylene ether resin, polyetherimide resin,
Thermoplastic resins such as polycarbonate resin, polyacetal resin, polysulfone resin, polyether sulfone resin, polyamideimide resin, polyarylate resin, 5-methylpentene resin, polyethylene terephthalate resin, polyarylene sulfide resin, epoxy resin, phenol resin , Unsaturated polyester resins, polyether ether ketone resins, and other thermosetting resins, which may be alloys of two or more.
【００２０】また、上記誘電体樹脂８は、上記例示した
樹脂に、必要に応じ、誘電正接の小さい繊維状又は粒子
状の誘電体セラミックスの１種又は２種以上配合して所
望の誘電率に調整した樹脂組成物であってもよい。かか
る誘電体セラミックスとしては、例えば、チタン酸バリ
ウム、チタン酸ストロンチウム、チタン酸カルシウム、
チタン酸バリウムストロンチウム、アモルファス酸化チ
タンとチタン酸アルカリ土類金属塩との複合体、チタン
酸ジルコン酸鉛、ワラストナイト、ゾノトライト等のケ
イ酸カルシウム、ホウ酸マグネシウム、ホウ酸アルミニ
ウム、ケイ酸亜鉛等の繊維状物、粒子状物を挙げること
ができる。この樹脂組成物の具体例としては、例えば、
熱可塑性樹脂にチタン酸バリウムを配合した樹脂塑性物
が採用できる。この熱可塑性樹脂としては、主要成分が
ポリアリーレンサルファイド樹脂であるものが採用でき
る。The dielectric resin 8 is mixed with the above-exemplified resin, if necessary, by mixing one or more of fibrous or particulate dielectric ceramics having a small dielectric loss tangent to obtain a desired dielectric constant. It may be a prepared resin composition. Examples of such dielectric ceramics include barium titanate, strontium titanate, calcium titanate,
Barium strontium titanate, complex of amorphous titanium oxide and alkaline earth metal titanate, lead zirconate titanate, wollastonite, calcium silicate such as zonotolite, magnesium borate, aluminum borate, zinc silicate, etc. Examples thereof include fibrous substances and particulate substances. Specific examples of this resin composition include, for example,
A resin plastic material in which barium titanate is mixed with a thermoplastic resin can be adopted. As the thermoplastic resin, a resin whose main component is a polyarylene sulfide resin can be adopted.
【００２１】低誘電率樹脂９としては、誘電率が低く、
かつＴａｎδが小さい材質が好ましい。Ｔａｎδとは、
誘電正接のことをいい、この値が小さいほど、材料内を
透過する電磁波の損失が小さい（つまり、Ｔａｎδが小
さいほどアンテナをおおう部材に適している）。低誘電
樹脂９としては、例えば、ＰＴＦＥ（ポリテトラフルオ
ロエチレン）、ＦＥＰ（フルオロエチレンプロピレ
ン）、ＰＥ（ポリエチレン）、ＰＰ（ポリプロピレ
ン）、ＰＰＥ（ポリフェニレンエーテル）、ＳＰＳ（シ
ンジオタクティックポリスチレン）などが採用できる。
以上は、いずれも誘電率２〜３で、Ｔａｎδが、０．０
０１以下であり、樹脂のなかでも比較的低い値である。The low dielectric constant resin 9 has a low dielectric constant,
A material having a small Tan δ is preferable. What is Tanδ
It means the dielectric loss tangent, and the smaller this value is, the smaller the loss of electromagnetic waves passing through the material (that is, the smaller Tanδ is, the more suitable the member is to cover the antenna). As the low dielectric resin 9, for example, PTFE (polytetrafluoroethylene), FEP (fluoroethylene propylene), PE (polyethylene), PP (polypropylene), PPE (polyphenylene ether), SPS (syndiotactic polystyrene), etc. are adopted. it can.
All of the above have a dielectric constant of 2 to 3 and Tan δ of 0.0
It is 01 or less, which is a relatively low value among resins.
【００２２】筐体３の一般部３ａに用いる導電性樹脂
は、樹脂に導電性物質を分散させたものである。導電性
物質としては、金，銀，同，アルミニウム，パラジウム
等の金属が用いられる。これらの金属をＰＶＣ，アクリ
ル樹脂や、シリコーンゴム等に分散させたものである。
また、熱可塑性樹脂に、カーボンブラック，グラファイ
ト，炭素繊維等を分散させたものであっても良い。The conductive resin used for the general portion 3a of the housing 3 is a resin in which a conductive substance is dispersed. As the conductive material, metals such as gold, silver, aluminum, palladium, etc. are used. These metals are dispersed in PVC, acrylic resin, silicone rubber or the like.
Further, it may be one in which carbon black, graphite, carbon fibers, etc. are dispersed in a thermoplastic resin.
【００２３】この構成の無線通信機能付き機器１による
と、筐体３の一部がアンテナ４となるため、筐体３内に
アンテナを収容するスペースが不要となり、それだけ機
器が小型できる。機器が小型化でき、またアンテナ４と
なる部分だけ筐体３の材料が少なくなるため、軽量化さ
れる。また内部にアンテナの収容スペースが不要で、機
器の小型化が容易であるため、外観デザインの自由度も
高まる。アンテナ４は誘電体樹脂アンテナ４としたが、
誘電体樹脂アンテナは、高誘電特性の誘電体樹脂を用い
た小型，高機能のものが開発されており、このような高
誘電特性を持つ樹脂を使用することで、筐体３の一般部
３ａと同じ肉厚内に収めることが可能である。このよう
に機器が小型化されるため、低価格化を図ることも可能
となる。According to the wireless communication function-equipped device 1 having this structure, a part of the housing 3 serves as the antenna 4, so that there is no need for a space for housing the antenna in the housing 3, and the device can be downsized accordingly. The size of the device can be reduced, and the material of the housing 3 is reduced only in the portion to be the antenna 4, so that the weight can be reduced. In addition, since the space for housing the antenna is not required inside and the size of the device can be easily reduced, the degree of freedom in external design is increased. Although the antenna 4 is the dielectric resin antenna 4,
As the dielectric resin antenna, a small and highly functional one using a dielectric resin having a high dielectric property has been developed. By using such a resin having a high dielectric property, the general portion 3a of the housing 3 can be formed. It is possible to fit within the same wall thickness as. Since the device is downsized in this way, it is possible to reduce the price.
【００２４】なお、上記実施形態は、誘電体樹脂アンテ
ナ４が筐体３の一部として生産過程から一体化されたも
のとしたが、例えば図７に示すように、誘電体樹脂アン
テナ４は、筐体３の本体とは別体のアンテナ付き筐体構
成部品２０として設けられて筐体３の本体に取付けられ
るものとしても良い。この取付は、樹脂同士の溶融によ
り一体化されるようにしても、また接着や嵌め込み等で
行われるようにしても良い。同図の例では、第１の実施
形態（図１）における誘電体樹脂アンテナ４とその筐体
外面側の面および外周を覆う低誘電率樹脂９とで、アン
テナ付き筐体構成部品２０が構成されている。筐体３の
本体は、上記一般部３ａからなり、誘電体樹脂アンテナ
４の取付孔２１が空けられたものとされる。この取付孔
２１にアンテナ付き筐体構成部品２０を嵌め込み、接着
により、または加熱溶融により筐体本体である一般部３
ａに固着される。筐体３の本体は、取付孔２１が空けら
れたものとする代わりに、アンテナ付き筐体構成部品２
０をインサートとしてインサート成形するようにしても
良い。アンテナ付き筐体構成部品２０は、筐体３の開閉
蓋として着脱可能なものとしても良い。In the above embodiment, the dielectric resin antenna 4 is integrated as a part of the housing 3 during the production process. For example, as shown in FIG. It may be provided as an antenna-equipped casing component 20 separate from the main body of the casing 3 and attached to the main body of the casing 3. This attachment may be integrated by melting resins, or may be performed by adhesion or fitting. In the example of the figure, the housing component with an antenna 20 is composed of the dielectric resin antenna 4 and the low dielectric constant resin 9 covering the outer surface and the outer circumference of the housing in the first embodiment (FIG. 1). Has been done. The main body of the housing 3 is composed of the general portion 3a described above, and is provided with a mounting hole 21 for the dielectric resin antenna 4. The housing component 20 with the antenna is fitted into the mounting hole 21, and the general portion 3 serving as the housing body is formed by bonding or by heating and melting.
It is fixed to a. The main body of the housing 3 has a mounting component 21 instead of the mounting hole 21.
You may make it insert-mold as 0 as an insert. The housing component with antenna 20 may be detachable as an opening / closing lid of the housing 3.
【００２５】図８は、アンテナ付き筐体構成部品の変形
例を示す。この例のアンテナ付き筐体構成部品２０Ａ
は、図７の例のアンテナ付き筐体構成部品２０と、その
低誘電率樹脂９の外周の導電性樹脂部２２とで構成され
ている。このアンテナ付き筐体構成部品２０Ａは、筐体
３の本体となる一般部３ａに形成された取付孔２１Ａに
嵌合して着脱可能に取付けられている。この構成の場
合、アンテナ付き筐体構成部品２０Ａは、筐体３の内部
を空けるための開閉蓋を兼用するものとできる。FIG. 8 shows a modification of the housing component with the antenna. Housing component with antenna 20A of this example
Is composed of the housing component 20 with the antenna of the example of FIG. 7 and the conductive resin portion 22 on the outer periphery of the low dielectric constant resin 9. The housing component with antenna 20A is detachably mounted by being fitted into a mounting hole 21A formed in the general portion 3a which is the main body of the housing 3. In the case of this configuration, the antenna-equipped housing component 20A can also serve as an opening / closing lid for opening the inside of the housing 3.
【００２６】なお、上記各実施形態は、筐体３が無線通
信機能付き機器自体の筐体であって、かつ通信回路２を
収容するものである場合を説明したが、この発明は、例
えば図９に示すように、無線通信機能付き機器１が、独
立した筐体３１を持つ通信機器３０と、通信機器３０を
内蔵状態等に取付けた無線通信機能付き機器１の外殻と
なる筐体３２とを有する場合に、同図（Ａ）のように通
信機器３０の筐体３１の一部をアンテナ４としても、ま
た同図（Ｂ）のように外殻となる筐体３２の一部をアン
テナ４としても良い。In each of the above-mentioned embodiments, the case 3 is the case of the apparatus itself having the wireless communication function and also accommodates the communication circuit 2. However, the present invention will be described with reference to FIG. As shown in FIG. 9, the device 1 with a wireless communication function has a communication device 30 having an independent housing 31, and a housing 32 that is an outer shell of the device 1 with a wireless communication function in which the communication device 30 is attached in a built-in state or the like. When a part of the housing 31 of the communication device 30 is used as the antenna 4 as shown in FIG. 7A, and a part of the housing 32 that is an outer shell as shown in FIG. It may be the antenna 4.
【００２７】次に、この発明を適用できる無線通信機能
付き機器の各種の例を挙げる。この発明の無線通信機能
付き機器は、上記のように電磁波により通信を行う通信
回路を備えた機器であれば良く、このうち移動や携帯の
ために小型化が要求されるものに特に効果的である。こ
のような例として、図１０に示す各種のものがある。
・例えば、図１０（Ａ）に示すような携帯型パソコン
や、同図（Ｂ）に示すＰＤＡ（Personal Digital Assis
tant）等の携帯型情報処理機器、あるいは同図（Ｃ）に
示す腕時計型の情報処理機器に適用できる。これらは、
携帯電話を代表とする移動体通信の端末となる機器であ
る。
・同図（Ｃ）に示すロボット等の無線通信機能付きの作
業機器または玩具に適用しても良い。作業機器の場合、
一つの機器における異なる部位の間で無線通信を行い、
内部配線を省略するものであっても良い。Next, various examples of equipment with a wireless communication function to which the present invention can be applied will be given. The device with a wireless communication function of the present invention may be any device as long as it is provided with a communication circuit that performs communication by electromagnetic waves as described above, and is particularly effective for devices that are required to be miniaturized for moving or carrying. is there. As such an example, there are various types shown in FIG. -For example, a portable personal computer as shown in FIG. 10 (A) or a PDA (Personal Digital Assis) shown in FIG. 10 (B)
The present invention can be applied to a portable information processing device such as a tant) or a wrist watch type information processing device shown in FIG. They are,
This is a device that serves as a mobile communication terminal represented by a mobile phone. It may be applied to a work device or toy having a wireless communication function such as a robot shown in FIG. For working equipment,
Wireless communication between different parts of one device,
The internal wiring may be omitted.
【００２８】以下は図示を省略するが、次の各種の機器
にも、この発明を適用できる。
・携帯電話を代表とする移動体通信網の端末となる機器
一般。例えば、ＧＰＳ（Global Positioning System ）
等の位置情報案内機器。ディジタルカメラ、携帯型オー
ディオ機器、ゲーム機器。
・無線ＬＡＮの構成機器。
・ＥＴＣ（自動料金収受システム）の端末機器。
・家電製品。
・通信機器。
・無線通信機能付きのセンサ。Although not shown below, the present invention can be applied to the following various types of equipment. -General equipment that serves as terminals of mobile communication networks, such as mobile phones. For example, GPS (Global Positioning System)
Location information guidance device such as. Digital cameras, portable audio equipment, game equipment. -Wireless LAN components. -ETC (Automatic Charge Collection System) terminal equipment. ·Home appliances. -Communication equipment. -A sensor with a wireless communication function.
【００２９】[0029]
【発明の効果】この発明の無線通信機能付き機器は、筐
体の一部をアンテナで構成したため、機器の小型化、軽
量化、および外観デザインの自由度を高めることのでき
る。特に、アンテナを誘電体樹脂アンテナとした場合
は、より小型化が容易である。またアンテナを誘電体樹
脂アンテナとした場合、筐体のアンテナ以外の部分との
一体化が容易に行える。誘電体樹脂アンテナの筐体外面
側の面および外周を、この誘電体樹脂アンテナの誘電体
よりも誘電率の低い樹脂である低誘電率樹脂で覆い、筐
体のその他の部分を導電性とした場合は、電磁波の通過
を許しながら、誘電体樹脂アンテナを筐体の外部から保
護することができる。また、筐体内に配置される高周波
回路基板からの不要輻射を遮断すると共に、外部からの
電磁波の進入を遮断することができ、導電性の筐体部分
と誘電体樹脂アンテナの放射用電極との干渉も回避する
ことができる。誘電体樹脂アンテナを、筐体の本体とは
別体のアンテナ付き筐体構成部品に設けられて上記筐体
の本体に取付けられたものとした場合は、アンテナ付き
筐体構成部品を各種の筐体に共通のものとして量産する
ことができて、筐体の製造が簡素化でき、またデザイン
変更等への対応が容易である。In the device with wireless communication function of the present invention, a part of the housing is formed by an antenna, so that the device can be downsized, the weight can be reduced, and the flexibility of external design can be increased. In particular, when the antenna is a dielectric resin antenna, it is easier to reduce the size. When the antenna is a dielectric resin antenna, it can be easily integrated with the portion of the housing other than the antenna. The outer surface of the dielectric resin antenna and the outer periphery of the housing are covered with a low dielectric constant resin that has a lower dielectric constant than the dielectric of the dielectric resin antenna, and the other parts of the housing are made conductive. In this case, the dielectric resin antenna can be protected from the outside of the housing while allowing passage of electromagnetic waves. Moreover, it is possible to block unwanted radiation from the high-frequency circuit board arranged in the housing and also to block the intrusion of electromagnetic waves from the outside, so that the conductive housing portion and the radiation electrode of the dielectric resin antenna can be separated from each other. Interference can also be avoided. When the dielectric resin antenna is provided in a housing component with an antenna that is separate from the body of the housing and attached to the body of the housing, the housing component with an antenna can be used in various housings. It can be mass-produced as a common body, simplifies the manufacturing of the housing, and can easily deal with design changes.
【図１】（Ａ）はこの発明の第１の実施形態にかかる無
線通信機能付き機器の断面図、（Ｂ）は同図（Ａ）のＢ
部の拡大断面図である。FIG. 1A is a sectional view of a device with a wireless communication function according to a first embodiment of the present invention, and FIG. 1B is a sectional view of FIG.
It is an expanded sectional view of a part.
【図２】同無線通信機能付き機器の外観斜視図である。FIG. 2 is an external perspective view of the device with the wireless communication function.
【図３】同機器の筐体におけるアンテナ部の製造方法の
一例を示す工程図である。FIG. 3 is a process drawing showing an example of a method of manufacturing an antenna unit in the housing of the same device.
【図４】この発明の他の実施形態の部分断面図である。FIG. 4 is a partial cross-sectional view of another embodiment of the present invention.
【図５】この発明のさらに他の実施形態の部分断面図で
ある。FIG. 5 is a partial cross-sectional view of still another embodiment of the present invention.
【図６】この発明のさらに他の実施形態の部分断面図で
ある。FIG. 6 is a partial cross-sectional view of still another embodiment of the present invention.
【図７】この発明のさらに他の実施形態の組み立て過程
を示す部分断面図である。FIG. 7 is a partial sectional view showing an assembly process of still another embodiment of the present invention.
【図８】この発明のさらに他の実施形態の部分断面図で
ある。FIG. 8 is a partial cross-sectional view of still another embodiment of the present invention.
【図９】（Ａ），（Ｂ）は各々この発明のさらに他の実
施形態の概略断面図である。9A and 9B are schematic cross-sectional views of still another embodiment of the present invention.
【図１０】（Ａ）〜（Ｄ）は各々この発明のさらに他の
実施形態の外観斜視図である。10 (A) to (D) are external perspective views of still another embodiment of the present invention.
【図１１】従来例の断面図である。FIG. 11 is a sectional view of a conventional example.
１…無線通信機能付き機器 ２…通信回路 ３…筐体 ３ａ…一般部（その他の部分） ３Ａ，３Ｂ…分割筐体 ４…誘電体樹脂アンテナ ６…放射用電極 ７…接地用電極 ８…誘電体樹脂 ９…低誘電率樹脂 ２０，２０Ａ…アンテナ付き筐体構成部品 1. Equipment with wireless communication function 2 ... communication circuit 3 ... Case 3a ... General part (other parts) 3A, 3B ... Split casing 4 ... Dielectric resin antenna 6 ... Electrode for radiation 7 ... Grounding electrode 8 ... Dielectric resin 9 ... Low dielectric constant resin 20, 20A ... Housing component with antenna
───────────────────────────────────────────────────── フロントページの続き (72)発明者 皆見 章行 静岡県磐田市東貝塚1578番地 エヌティエ ヌ株式会社内 (72)発明者 丸山 武 静岡県磐田市東貝塚1578番地 エヌティエ ヌ株式会社内 (72)発明者 里路 文規 三重県桑名市大字東方字尾弓田3066 エヌ ティエヌ株式会社内 Ｆターム(参考） 5J045 AB05 BA01 DA10 EA07 EA08 KA01 MA01 MA07 NA01 5J046 AA00 AA07 AB13 QA02 QA08 5J047 AA00 AA07 AB13 FD01 5K023 AA07 BB03 BB04 LL05 LL06 QQ03 QQ05 5K067 AA42 EE02 KK01 KK17 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Minami Miyuki Entier, 1578 Higashi-Kaizuka, Iwata City, Shizuoka Prefecture Nu Co., Ltd. (72) Inventor Takeru Maruyama Entier, 1578 Higashi-Kaizuka, Iwata City, Shizuoka Prefecture Nu Co., Ltd. (72) Inventor Fukunori Satoji Mie Prefecture Kuwana City Oogata Oyumi 3066 N Inside Thien Co., Ltd. F-term (reference) 5J045 AB05 BA01 DA10 EA07 EA08 KA01 MA01 MA07 NA01 5J046 AA00 AA07 AB13 QA02 QA08 5J047 AA00 AA07 AB13 FD01 5K023 AA07 BB03 BB04 LL05 LL06 QQ03 QQ05 5K067 AA42 EE02 KK01 KK17
Claims (8)
た無線通信機能付き機器において、筐体の一部を上記通
信のためのアンテナで構成したことを特徴とする無線通
信機能付き機器。1. A device with a wireless communication function, which comprises a communication circuit for communicating by electromagnetic waves, wherein a part of a housing is constituted by an antenna for the communication.
た無線通信機能付き機器において、筐体の一部を上記通
信のためのアンテナで構成し、上記アンテナを、放射用
電極と誘電体樹脂とを有する誘電体樹脂アンテナとした
無線通信機能付き機器。2. In a device with a wireless communication function including a communication circuit for communicating by electromagnetic waves, a part of the housing is formed by an antenna for the communication, and the antenna includes a radiation electrode and a dielectric resin. A device with wireless communication function that uses a dielectric resin antenna having
の部分が樹脂製であって、この誘電体樹脂アンテナ以外
の部分と上記誘電体樹脂アンテナとが一体に成形された
ものである請求項２に記載の無線通信機能付き機器。3. The portion of the casing other than the dielectric resin antenna is made of resin, and the portion other than the dielectric resin antenna and the dielectric resin antenna are integrally molded. A device with a wireless communication function according to item 2.
が、樹脂材料の塗布層である請求項２に記載の無線通信
機能付き機器。4. The device with a wireless communication function according to claim 2, wherein the dielectric resin of the dielectric resin antenna is a coating layer of a resin material.
よび外周を、この誘電体樹脂アンテナの誘電体よりも誘
電率の低い樹脂である低誘電率樹脂で覆い、筐体のその
他の部分を導電性とした請求項２ないし請求項４のいず
れかに記載の無線通信機能付き機器。5. A surface of the dielectric resin antenna on the outer surface side of the housing and an outer periphery thereof are covered with a low dielectric constant resin having a lower dielectric constant than that of the dielectric material of the dielectric resin antenna, and other portions of the housing are covered. The device with a wireless communication function according to any one of claims 2 to 4, wherein the device is conductive.
において、上記筐体の上記その他の部分が導電性樹脂か
らなる無線通信機能付き機器。6. The device with wireless communication function according to claim 5, wherein the other portion of the housing is made of a conductive resin.
とは別体のアンテナ付き筐体構成部品に設けられて、こ
のアンテナ付き筐体構成部品が上記筐体の本体に取付け
られたものである請求項２に記載の無線通信機能付き機
器。7. The dielectric resin antenna is provided in a housing component with an antenna, which is separate from the body of the housing, and the housing component with the antenna is attached to the body of the housing. The device with a wireless communication function according to claim 2.
いられるアンテナ付き筐体構成部品であって、放射用電
極および誘電体樹脂を有する誘電体樹脂アンテナと、こ
の誘電体樹脂アンテナの筐体外面側の面および外周を覆
う低誘電率樹脂部とを有し、この低誘電率樹脂部が、誘
電体樹脂アンテナの誘電体よりも誘電率の低い誘電体樹
脂であるアンテナ付き筐体構成部品。8. A housing component with an antenna used as a part of a housing of a device with a wireless communication function, comprising: a dielectric resin antenna having a radiation electrode and a dielectric resin; and a dielectric resin antenna of the dielectric resin antenna. An antenna housing having a low-dielectric-constant resin portion that covers the outer surface of the housing and the outer periphery, and the low-dielectric-resin resin portion is a dielectric resin having a lower dielectric constant than the dielectric material of the dielectric resin antenna. Component part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001354203A JP2003158415A (en) | 2001-11-20 | 2001-11-20 | Equipment with radio communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001354203A JP2003158415A (en) | 2001-11-20 | 2001-11-20 | Equipment with radio communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003158415A true JP2003158415A (en) | 2003-05-30 |
Family
ID=19166096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001354203A Pending JP2003158415A (en) | 2001-11-20 | 2001-11-20 | Equipment with radio communication function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003158415A (en) |
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