JP2002280821A - Antenna system and terminal equipment - Google Patents

Antenna system and terminal equipment

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Publication number
JP2002280821A
JP2002280821A JP2001385092A JP2001385092A JP2002280821A JP 2002280821 A JP2002280821 A JP 2002280821A JP 2001385092 A JP2001385092 A JP 2001385092A JP 2001385092 A JP2001385092 A JP 2001385092A JP 2002280821 A JP2002280821 A JP 2002280821A
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JP
Japan
Prior art keywords
antenna
terminal
dielectric chip
circuit board
outer
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
Application number
JP2001385092A
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Japanese (ja)
Inventor
Hiroki Hamada
Masayuki Isawa
浩樹 浜田
正幸 石和
Original Assignee
Furukawa Electric Co Ltd:The
古河電気工業株式会社
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Priority to JP2001-5029 priority Critical
Priority to JP2001005029 priority
Application filed by Furukawa Electric Co Ltd:The, 古河電気工業株式会社 filed Critical Furukawa Electric Co Ltd:The
Priority to JP2001385092A priority patent/JP2002280821A/en
Publication of JP2002280821A publication Critical patent/JP2002280821A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To provided an antenna system the antenna characteristics of which can sufficiently be enhanced and that can be integrated with a small-sized terminal equipment such as a mobile phone terminal without losing its neat outward appearance and to provide the terminal mounted with the antenna system.
SOLUTION: The antenna system (10) includes a dielectric chip (12) that is inserted to an opening (21) provided to an outer package case (20) of the terminal to form an outer surface (12a) of the terminal equipment in cooperation with the outer surface of the outer package case and an antenna conductor (11) that is embedded in the dielectric chip and places at a height sufficiently apart from a ground conductor of a printed circuit board (30) in the outer package case.
COPYRIGHT: (C)2002,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、携帯電話端末等の小型の端末機器に組み込むに好適なアンテナ装置及びこれを備えた端末機器に関する。 The present invention relates to relates to suitable antenna device and terminal equipment provided therewith to incorporate a compact terminal device such as a mobile phone terminal.

【0002】 [0002]

【関連する背景技術】携帯電話端末等の小型の端末機器に組み込まれるアンテナ装置として、平板状またはミアンダ状のアンテナ導体からなる平面アンテナを直方体形状の誘電体チップに埋め込んだチップアンテナが注目されている。 As [Related Art] antenna apparatus incorporated in a small terminal device such as a mobile phone terminal, tabular or meander planar antenna composed of the antenna conductor is noted embedded chip antenna into a rectangular shape of the dielectric chip there. この種のチップアンテナは、例えば図2に示すように印刷配線回路基板1に実装して該印刷配線回路基板1と共に端末機器の外装ケース2内に組み込まれる。 This type of chip antenna, for example, mounted on printed circuit board 1 as shown in FIG. 2 is incorporated into the printed circuit board 1 together with the terminal outer case 2 of the device.

【0003】尚、図2において3はアンテナ導体、4はこのアンテナ導体3を埋め込んだ誘電体チップ、そして5aはアンテナ導体3の端面から導出されたリード端子、5bは固定用端子を示している。 [0003] Incidentally, 3 in FIG. 2 is an antenna conductor, is embedded antenna conductor 3 dielectric chip 4 and 5a is lead terminal led out from the end face of the antenna conductor 3,, 5b shows a fixed terminal . チップアンテナは、前記リード端子5aと固定用端子5bとを印刷配線回路基板1の所定の部位にそれぞれ半田付けすることにより、該印刷配線回路基板1に実装される。 Chip antenna, by respectively soldering the fixed terminal 5b and the lead terminals 5a to a predetermined site of the printed circuit board 1 is mounted on the printed wiring circuit board 1.

【0004】このようなアンテナ装置すなわちチップアンテナによれば、従来一般的なロッドアンテナのように外装ケース2の外側に突出することがないので、アンテナの折損事故がなく、しかも外装ケース2ひいては端末機器の外観を良好なものとすることができる。 [0004] According to such an antenna device or chip antenna, since no projecting outwardly of the outer casing 2 as in the conventional general rod antenna, no breakage accident of the antenna, yet the outer casing 2 thus terminal the appearance of the equipment can be improved.

【0005】 [0005]

【発明が解決しようとする課題】しかしながら上述したチップアンテナにあっては、外装ケース2内の限られた空間内に確実に収納する必要があることから、その外形寸法、特にケース内での高さ位置に大きな制約を受けることが否めない。 In the however aforementioned chip antenna [0005], it is necessary to reliably accommodated within the limited space in the exterior case 2, its external dimensions, high in particular in the case not be denied is possible to receive a major constraint to the position. すなわち、印刷配線回路基板1における地導体(図示せず)からのアンテナ導体3の高さ位置が低く制限され、高さ位置を高くしてアンテナ特性を更に高めることは困難である。 That is, the height position of the antenna conductor 3 from the ground conductor (not shown) in the printed circuit board 1 is limited low, it is difficult to raise height position further enhance the antenna characteristics.

【0006】この点、図3に示すようにアンテナ導体3 [0006] In this respect, the antenna conductor 3 as shown in FIG. 3
自体を外装ケース2に埋め込むことで印刷配線回路基板1の地導体(GND面)からのアンテナ導体3の高さ位置を高くし、そのアンテナ特性を高めることが考えられる。 Itself by increasing the height position of the antenna conductor 3 from the ground conductor of the printed circuit board 1 by embedding the outer casing 2 (GND plane), is considered to enhance the antenna characteristics. しかしながら一般的に射出成形により製造されるプラスチック製の外装ケース2にアンテナ導体3を埋め込むには、射出成型用の金型内にアンテナ導体3を保持する機構が必要となる等、その金型構造が複雑化する等の問題がある。 However embed generally antenna conductor 3 to the outer casing 2 made of plastic produced by injection molding, or the like mechanism for holding the antenna conductor 3 in a mold for injection molding is required, the mold structure there is a problem such that complicated. しかもアンテナ導体3の埋め込みによって外装ケース2の製造工程が複雑化し、その仕上がり精度が損なわれて外装ケース2の外観が損なわれる虞もある。 Moreover the manufacturing process of the outer casing 2 is complicated by embedding the antenna conductor 3, the finishing accuracy is impaired appearance of the outer casing 2 fear also be impaired.

【0007】本発明の目的は、アンテナ特性を十分に高めることができ、携帯電話端末等の小型の端末機器にその外観を損なうことなしに組み込むことのできるアンテナ装置およびこれを取り付けた端末機器を提供することにある。 An object of the present invention, the antenna characteristic can be sufficiently increased, the antenna device and the terminal equipment fitted with this can be incorporated without loss of its appearance-sized terminal devices such as mobile phone terminals It is to provide.

【0008】 [0008]

【課題を解決するための手段】本発明に係るアンテナ装置は、携帯電話端末等の端末機器の外装ケースに設けられた開口部に嵌め込まれ且つ前記外装ケースの外表面と協働して前記端末機器の外面の一部を形成する外表面を有する誘電体チップと、この誘電体チップの前記外表面に沿って該誘電体チップに埋め込まれたアンテナ導体とを具備したことを特徴としている。 The antenna device according to the present invention SUMMARY OF THE INVENTION The outer surface cooperating with said terminal and said outer casing is fitted in an opening provided in the outer case of the terminal device such as a mobile telephone terminal a dielectric chip having an outer surface which forms part of the device of the outer surface, is characterized in that the dielectric along the outer surface of the chip includes an antenna conductor embedded in the dielectric chip.

【0009】本発明は、端末機器表面の一部をなすようにアンテナ装置の誘電体チップを配置することにより端末機器の外観を損なうことなしにアンテナ装置を端末機器に組み込み可能とし、また、誘電体チップの外表面に沿ってアンテナ導体を誘電体チップに埋め込むことでアンテナ導体を端末機器の地導体から十分に離してアンテナ装置のアンテナ特性を向上する。 The present invention, an antenna device and be incorporated into the terminal equipment without compromising the appearance of the terminal equipment by arranging a dielectric chip antenna device so as to form a part of the terminal equipment surface and a dielectric the antenna conductor by embedding the antenna conductor on a dielectric chip along the outer surface of the body tip sufficiently away from the ground conductor of the terminal equipment to improve the antenna characteristics of the antenna device.

【0010】本発明において、好ましくは、アンテナ装置は、前記開口部から前記外装ケースの高さ方向に離隔して前記外装ケース内に配される印刷配線回路基板を有する端末機器に内蔵される。 [0010] In the present invention, preferably, the antenna device is incorporated in a terminal device having a printed circuit board spaced from the opening in the height direction of the outer case is disposed within the outer case. 好ましくは、誘電体チップに埋め込まれたアンテナ導体は、誘電体チップの外表面に略平行に延び、これにより例えば印刷配線回路基板に形成される地導体からのアンテナ導体の高さを十分に高くしてアンテナ特性を向上する。 Preferably, the antenna conductor embedded in the dielectric chip, extends substantially parallel to the outer surface of the dielectric chip, thereby sufficiently increasing the height of the antenna conductor from the ground conductor formed on the printed circuit board e.g. to improve the antenna characteristics are.

【0011】好ましくは、前記誘電体チップは、上記印刷配線回路基板に該誘電体チップを固定する為の固定部を備える。 [0011] Preferably, the dielectric chip includes a fixing portion for fixing the dielectric chip to the printed circuit board. 或いは、前記誘電体チップは、前記端末機器の外装ケースに前記誘電体チップを固定するための固定部を備える。 Alternatively, the dielectric chip includes a fixing portion for fixing the dielectric chip to the outer casing of the terminal device. アンテナ装置の誘電体チップを固定することにより、端末機器の使用時にアンテナ装置が端末機器内に不本意に押し込まれることがなく、アンテナ装置や印刷配線回路基板に実装された部品の損傷が防止される。 By fixing the dielectric chip antenna device, without the antenna device when using the terminal equipment is pushed unintentionally into the terminal device, part of the damage mounted on the antenna device and the printed circuit board is prevented that.

【0012】誘電体チップと外装ケース間にシール用の弾性部材を設けると、アンテナ装置と外装ケースの開口部との位置ずれを吸収することができ、また、アンテナ装置におけるストレスの発生を防止することができる。 [0012] The provision of the elastic member for sealing between the dielectric chip and the outer casing, it is possible to absorb the positional deviation between the opening of the antenna device and the outer case, also, to prevent the occurrence of stress in the antenna device be able to.
アンテナ導体から誘電体チップの外部へ延びる端子導体を印刷配線回路基板のパッドに接触させるようにすれば、回路基板に対するアンテナ装置の位置決め精度を緩和することができる。 If so as to contact the terminal conductors extending from the antenna conductor to the outside of the dielectric chip to the pads of the printed wiring circuit board, it is possible to relax the positioning accuracy of the antenna device to the circuit board.

【0013】また、本発明によれば、上記アンテナ装置が取り付けられた端末装置が提供される。 Further, according to the present invention, the terminal apparatus which the antenna device is mounted is provided. この端末装置は外観に優れる。 The terminal equipment is excellent in appearance.

【0014】 [0014]

【発明の実施の形態】(第1実施形態)以下、図1を参照して本発明の第1実施形態に係るアンテナ装置について説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) Hereinafter, an antenna device is described according to the first embodiment of the present invention with reference to FIG. この実施形態に係るアンテナ装置10は、 The antenna device 10 according to this embodiment,
携帯電話端末の外装ケース20に組み込まれるものであって、基本的には平板状またはミアンダ状のアンテナ導体11からなる平面アンテナを誘電体チップ12に埋め込んだ構造を有する。 It is those incorporated in the outer casing 20 of the mobile phone terminal, basically having the embedded structure of the planar antenna comprising a plate-shaped or meander-shaped antenna conductor 11 on the dielectric chip 12. 特にこのアンテナ装置10が特徴とするところは、前記誘電体チップ12が端末機器の外装ケース20に予め設けられた開口部21に嵌め込まれ、該外装ケース20の外表面と面一をなして配されて端末機器表面の一部をなす外表面12aを有し、アンテナ導体11が上記誘電体チップ12の外表面12aと略平行に設けられている点にある。 Distribution especially where the antenna device 10 is characterized, the dielectric chip 12 is fitted into the opening 21 previously provided in the outer casing 20 of the terminal equipment, at an outer surface flush with the outer instrumentation case 20 by an outer surface 12a that is part of a terminal device surface, the antenna conductor 11 is in point is provided substantially parallel to the outer surface 12a of the dielectric chip 12.

【0015】即ち、誘電体チップ12の外表面12a [0015] That is, the outer surface 12a of the dielectric chip 12
は、該誘電体チップ12を外装ケース20の開口部21 An opening 21 of the outer casing 20 of the dielectric chip 12
に嵌め込んだときに該外装ケース20の外表面と協働して端末機器に滑らかな外観を供するものとなっている。 It has assumed to provide a smooth appearance to the terminal device in cooperation with the outer surface of the outer instrumentation casing 20 when fitted into.
さらに具体的には、外装ケース20の開口部21を囲む端縁21aによって形成される面に近似する面を、誘電体チップ12の外表面12aが形成している。 More specifically, a surface that approximates a plane formed by the edge 21a surrounding the opening 21 of the outer casing 20, the outer surface 12a of the dielectric chip 12 is formed. そしてこの誘電体チップ12に埋め込まれるアンテナ導体11 The antenna conductor 11 embedded in the dielectric chip 12
は、該誘電体チップ12の外表面12aの近傍に該外表面12aと略平行に設けられることで、外装ケース20 , By being provided outer surface 12a substantially parallel to the vicinity of the outer surface 12a of the dielectric chip 12, the outer casing 20
内に組み込まれる印刷配線回路基板30の地導体(図示せず)に対して十分に高い位置に位置付けられるようになっている。 It is adapted to be positioned sufficiently high position with respect to the ground conductor of the printed circuit board 30 incorporated within (not shown). ちなみにアンテナ装置10を取り付ける開口部21は、ユーザが触れる可能性の低い部分、具体的には携帯電話端末の使用時にその裏側上部となる場所、 Incidentally opening 21 for attaching the antenna device 10, the lower portion of the user may touch the location specifically made its rear upper portion when using the mobile telephone terminal,
即ちスピーカAを設けた位置の裏側に設けてある。 That is provided on the back side of a position in which a speaker A. 尚、 still,
この開口部21を例えば携帯電話端末の上端側に設けることも勿論可能である。 It is of course possible to provide the opening 21 for example on the upper end side of the cellular phone terminal.

【0016】さて前記誘電体チップ12の下面側には、 [0016] Now the lower surface of the dielectric chip 12,
アンテナ装置10を印刷配線回路基板30に実装して前記アンテナ導体11を回路基板30から所定の高さに位置付ける為の脚部13が、前記印刷配線回路基板30に対する固定部として設けられている。 Legs 13 for positioning the antenna device 10 and mounted on printed circuit board 30 to the antenna conductor 11 from the circuit board 30 at a predetermined height is provided as a fixing portion for said printed circuit board 30. この脚部13はその先端に楔状のフック14を有し、このフック14を印刷配線回路基板30に設けられたアンテナ取り付け用の孔部に差し込むことで、アンテナ装置10を印刷配線回路基板30に固定して基板上方に支持し、アンテナ装置10のアンテナ導体11を上記印刷配線回路基板30に対して略平行にする。 The leg 13 has a wedge-shaped hook 14 at its tip, by inserting in the hole of the antenna mounting provided the hook 14 to the printed circuit board 30, the antenna device 10 to the printed circuit board 30 fixed and supported above the substrate, the antenna conductor 11 of the antenna device 10 is substantially parallel to the printed circuit board 30.

【0017】尚、アンテナ導体11の一端部にはリード端子15が一体に形成され、リード端子15は誘電体チップ12の一端面から出て、次いで一方の脚部13に沿って下向きに延びている。 [0017] Incidentally, at one end of the antenna conductor 11 lead terminal 15 are integrally formed, the lead terminal 15 exits from one end surface of the dielectric chip 12, then extends downwardly along one of the legs 13 there. このリード端子15は、印刷配線回路基板30に予め実装されたコネクタ31に差し込むまれるとコネクタに電気的に接続され、リード端子15、コネクタ31及び印刷配線回路基板30を介してアンテナ導体11へ給電がなされる。 The lead terminal 15 is electrically connected to or be the connector plug into the connector 31 which has previously been mounted on the printed wiring circuit board 30, the antenna conductor 11 through the lead terminals 15, the connector 31 and the printed circuit board 30 the power supply is made. 参照符号22は、 Reference numeral 22,
外装ケース20の開口部21に嵌め込まれる誘電体チップ12と外装ケース20との間に介挿され両者間をシールするリング状の弾性部材22を示す。 It shows a ring-shaped elastic member 22 that seals between inserted both between the dielectric chip 12 and the outer casing 20 to be fitted into the opening 21 of the outer casing 20. この弾性部材2 The elastic member 2
2により、印刷配線回路基板30に実装されたアンテナ装置10と外装ケース20の開口部21との多少の位置ずれが吸収されて該開口部21に誘電体チップ12が隙間なく嵌め込まれるようになっている。 The 2, slight misalignment between the opening 21 of the antenna device 10 and the outer casing 20 mounted on the printed wiring circuit board 30 is absorbed so as dielectric chip 12 to the opening portion 21 is fitted without a gap ing. 更に弾性部材2 Further the elastic member 2
2は、外装ケース20を介してアンテナ装置10に加わる力を低減し、アンテナ装置での不本意なストレスの発生を防止する。 2 reduces the force applied to the antenna device 10 through the outer casing 20, to prevent the generation of unwanted stress in the antenna device.

【0018】かくして上述した如く構成されたアンテナ装置10によれば、アンテナ導体11を外装ケース20 [0018] Thus, according to the antenna device 10 composed as described above, the outer casing 20 of the antenna conductor 11
の表面近くに位置付けて、該外装ケース20の内部に組み込まれる印刷配線回路基板30における地導体からのアンテナ高さを高くすることができるので、そのアンテナ特性を十分に高めることが可能となる。 Positioned near the surface of the, it is possible to increase the antenna height from the ground conductor in the printed circuit board 30 which is incorporated in the outer instrumentation case 20, it becomes possible to increase the antenna characteristics sufficiently. しかも従来の外装ケースにアンテナ導体を埋め込んだもの(図3参照)とは異なるので、外装ケース20とアンテナ装置1 Moreover, since different from those embedded antenna conductor to a conventional outer case (see FIG. 3), the outer casing 20 and the antenna device 1
0とをそれぞれ別個に製作することができ、従来の外装ケースのように埋設されたアンテナ導体に起因して外装ケースの外観形状が損なわれる虞がない。 0 and can be made separately manufactured, respectively, there is no possibility that impair the appearance shape of the outer casing due to buried antenna conductor as a conventional outer case.

【0019】また上記アンテナ装置10によれば、誘電体チップ12の外表面12aが外部に露出することになるが、その露出面積は外装ケース20の全表面に比較して僅かなので、外装ケース20との材質の違いなどの差異が端末機器の外観を損ねる要因となることも殆どない。 [0019] According to the antenna device 10, although the outer surface 12a of the dielectric chip 12 is exposed to the outside, since the exposed area slightly compared to the entire surface of the outer casing 20, the outer casing 20 the material differences, such as differences in the little may become a factor deteriorating the appearance of the terminal device. むしろ外装ケース20と誘電体チップ12との材質や表面処理、更には色の違い等を積極的に利用して端末機器の美観を高めることが可能となる。 Rather material and surface treatment of the outer casing 20 and the dielectric chip 12, and further it is possible to increase the aesthetics of the terminal device by actively using different colors or the like.

【0020】更には誘電体チップ12の存在がその材質や色の違いから明らかであれば、端末機器を把持した手によりアンテナ装置10を不本意に覆ってしまう等の、 [0020] Furthermore, such presence of the dielectric chip 12 if it is clear from the difference in material or color, thereby undesirably covers the antenna device 10 by the hand holding the terminal equipment,
アンテナ性能を阻害するような行為を未然に防ぐことも可能となるので、アンテナ装置10の性能を遺憾なく発揮させることが期待される。 Since it is possible prevent acts so as to inhibit antenna performance, it is expected to exhibit no regret performance of the antenna device 10. 加えて外装ケース20をなす材料よりも高誘電率の材料で誘電体チップ12を形成すれば、アンテナ装置10を小型にすることができる。 In addition by forming the dielectric chip 12 with a material of high dielectric constant than the material of the outer casing 20, the antenna device 10 can be miniaturized.
このようにすれば、携帯電話端末等においてその通話時に手で覆われ難い場所を選んでアンテナ装置10を配置すことが容易となり、アンテナ特性を十分に確保して通話品質の向上を図ることが可能となる。 In this way, the mobile phone select a hard place covered by hand becomes easy to place the antenna device 10 in the terminal or the like during the call, it is possible to sufficiently improve the speech quality to ensure antenna characteristics It can become.

【0021】(第2実施形態)以下、図4を参照して、 [0021] (Second Embodiment) Hereinafter, with reference to FIG. 4,
本発明の第2実施形態によるアンテナ装置を説明する。 Illustrating the antenna device according to a second embodiment of the present invention.
本実施形態のアンテナ装置は、端末機器の外装ケース内の印刷配線回路基板に対する位置決め精度を緩和して端末機器への組付け性を向上することを主に企図している。 The antenna device of this embodiment is primarily contemplated that by relaxing the positioning accuracy for the printed circuit board in the exterior case of the terminal equipment to improve the assemblability to the terminal equipment. 印刷配線回路基板に固定される構成にされると共にアンテナ導体と印刷配線回路基板との接続にコネクタを用いる第1実施形態に比べ、本実施形態のアンテナ装置は、外装ケースの内面に固定されると共に、アンテナ導体から延びる端子導体を印刷配線回路基板上のパッドに弾発的に接触させて電気接続する点が異なる。 Compared with the first embodiment using the connector for connection of the antenna conductor and the printed circuit board while being configured to be secured to the printed circuit board, the antenna device of the present embodiment is fixed to the inner surface of the outer casing with the terminal conductors extending from the antenna conductor elastically the contacted to the printed circuit pads on the substrate that are electrically connected differently.

【0022】第1実施形態の場合と同様、図4に示すように、第2実施形態のアンテナ装置10は端末機器たとえば携帯電話に内蔵され、端末機器の外装ケース20は上ケース23と下ケース24とからなる。 [0022] As with the first embodiment, as shown in FIG. 4, the antenna device 10 of the second embodiment are built in the terminal device such as a cellular phone, the outer casing 20 of the terminal device the upper case 23 and lower case consisting of 24. そして、上ケース23には誘電体チップ12が嵌合する開口部21が形成されている。 Then, the upper case 23 are formed openings 21 for the dielectric chip 12 is fitted. また、端末機器内には印刷配線回路基板30が収容され、この回路基板30は下ケース24に固定されている。 Further, the printed circuit board 30 is accommodated in the terminal device, the circuit board 30 is fixed to the lower case 24.

【0023】本実施形態の上ケース23は、その開口部21に嵌合した誘電体チップ12の周面に沿って延びる壁26を有し、壁26の下端にはフック27が形成されている。 The upper case 23 of this embodiment has a wall 26 extending along the circumferential surface of the dielectric chip 12 fitted in the opening 21, the lower end of the wall 26 has hook 27 is formed . 誘電体チップ12の下端部は先細に形成され、 The lower end of the dielectric chip 12 is formed in a tapered,
誘電体チップ12をフック27を押しのけて開口部21 Opening 21 of the dielectric chip 12 pushes away the hook 27
に容易に嵌合できるようになっている。 It is readily adapted to be fitted into. 誘電体チップ1 Dielectric chip 1
2の周面に形成された溝12bにフック27が嵌入すると、誘電体チップ12が上ケース23に固定される。 When the hook 27 is fitted into the groove 12b formed on the peripheral surface of the two dielectric chip 12 is fixed to the upper case 23. 外装ケース20のフック27は、誘電体チップ12の溝1 Hook 27 of the outer casing 20, the groove 1 of the dielectric chip 12
2bと協働して、外装ケース20の内面にアンテナ装置10を固定する固定部として機能する。 2b and cooperate to function as a fixing unit for fixing the antenna device 10 on the inner surface of the outer casing 20. なお、外装ケース20の壁26と誘電体チップ12との間に図1に示す要素22に対応する弾性部材を介装しても良い。 It is also possible to interposed the corresponding elastic member to the element 22 shown in FIG. 1 between the wall 26 and the dielectric chip 12 of the outer casing 20.

【0024】アンテナ装置10は、アンテナ導体11、 The antenna device 10 includes an antenna conductor 11,
給電端子16および短絡端子17を更に備え、これらの要素11、16及び17は全体として逆F状の形状を形成している。 Further comprising a feed terminal 16 and the short-circuit terminal 17, these elements 11, 16 and 17 forms a reverse F-shaped shape as a whole. アンテナ導体11は、誘電体チップ12内の外表面12a付近に埋設されこの外表面12aと略平行に延びている。 The antenna conductor 11 is embedded in the vicinity of the outer surface 12a of the dielectric chip 12 and extends substantially parallel to the the outer surface 12a. 給電端子及び短絡端子すなわち端子導体16、17は、その大部分が誘電体チップ12内に埋設されており、誘電体チップ12内をアンテナ導体11 Feeding terminal and the short-circuit terminal or terminal conductors 16 and 17 for the most part are embedded in the dielectric chip 12, the dielectric chip 12 in the antenna conductor 11
から誘電体チップ12の厚さ方向に延びている。 And it extends in the thickness direction of the dielectric chip 12. 両端子16、17の下端部は、誘電体チップ12の底面から印刷配線回路基板30に向けて延びている。 The lower end of the terminals 16 and 17 extends toward the bottom surface of the dielectric chip 12 to the printed circuit board 30. 誘電体チップ12が外装ケース20の開口部21に嵌合されると、給電端子16及び短絡端子17のそれぞれの接触面すなわちU字状下方端部の先端面は、回路基板30の回路パターン上に形成されたパッド32、33の上面に弾性的に接触し、回路基板30および給電端子16を介してアンテナ導体11への給電が可能になる。 When the dielectric chip 12 is fitted into the opening 21 of the outer casing 20, the distal end surface of the respective contact surface or U-shaped lower end of the feed terminal 16 and the short-circuit terminal 17, the circuit pattern of the circuit board 30 elastically contacts the upper surface of the pad 32 and 33 formed on, the power can be supplied to the antenna conductor 11 via the circuit board 30 and the feed terminal 16.

【0025】第2実施形態によれば、アンテナ装置10 According to the second embodiment, the antenna device 10
の誘電体チップ12を回路基板30にではなく外装ケース20に固定するので、回路基板30に対するアンテナ装置10の位置決め精度が緩和され、端末機器へのアンテナ装置10の組付け性が良くなる。 Since the dielectric chip 12 is fixed to the outer case 20 rather than the circuit board 30, is relaxed positioning accuracy of the antenna device 10 to the circuit board 30, the assembly of the antenna device 10 to the terminal device is improved. また、パッド3 In addition, the pad 3
2、33の面積を広くすると回路基板30に対する位置決め精度が更に緩和されて組付け性が更に改善される。 Of assembly and positioning accuracy is further relaxed to the circuit board 30 A broad area of ​​2, 33 is further improved.

【0026】尚、本発明は上述した実施形態に限定されるものではない。 [0026] The present invention is not limited to the embodiments described above. 例えば外装ケース20に設ける開口部21の大きさについては、アンテナ装置10における誘電体チップ12の大きさ、特にその外表面12aの大きさに応じて定めればよい。 For example, for the size of the opening 21 provided in the outer case 20, the size of the dielectric chip 12 in the antenna device 10 may be in particular determined according to the size of its outer surface 12a. また誘電体チップ12の外表面12aの形状については、このアンテナ装置10が組み込まれる外装ケース20の表面形状に応じて定めればよい。 With respect to the shape of the outer surface 12a of the dielectric chip 12, it may be determined according to the surface shape of the outer case 20 the antenna device 10 is incorporated.

【0027】またアンテナ装置10を実装した印刷配線回路基板30と誘電体チップ12の下面との間に形成される空間部を利用して端末機器のその他の部品を実装するようにしても良い。 Further it may be mounted other components of the terminal equipment by utilizing the space formed between the lower surface of the antenna device 10 printed circuit board 30 mounted with the dielectric chip 12. また誘電体チップ12を透明部材を用いて実現し、その近傍に例えば印刷配線回路基板上の電子部品により駆動される発光素子を組み込むことで、アンテナ装置10自体をインジケータとして利用することも可能となる。 The dielectric chip 12 is realized by using a transparent member, by incorporating a light-emitting element driven by the electronic components, for example printed circuit board in the vicinity thereof, and also possible to use the antenna device 10 itself as an indicator Become. また前記誘電体チップ12の外表面12aや底面にメッキや蒸着等によって金属層を形成し、この金属層をアンテナ導体11に対する寄生素子として機能させてアンテナ特性の向上を図ることも容易である。 Also, the outside surface 12a and the bottom surface of the dielectric chip 12 by plating or vapor deposition to form a metal layer, it is easy to improve the antenna characteristics to function as a parasitic element for the antenna conductor 11 to the metal layer.

【0028】更には本発明のアンテナ装置を組み込む端末機器は、上述した携帯電話端末に限らず、携帯情報端末やパーソナルコンピュータ、通信アダプタ等であっても良い。 The terminal device further incorporating the antenna device of the present invention is not limited to a mobile telephone terminal described above, a portable information terminal or a personal computer, may be a communication adapter or the like. その他、本発明はその要旨を逸脱しない範囲で種々変形して実施することができる。 Besides, the present invention can be modified in various ways without departing from the scope thereof. 以上説明した実施形態から下記の発明概念を把握できる。 The inventive concepts described below can be grasped from the embodiments described above.

【0029】(1)端末機器の外装ケースに設けられた開口部に嵌め込まれ且つ前記外装ケースの外表面と協働して前記端末機器の外面の一部を形成する外表面を有する誘電体チップと、この誘電体チップの前記外表面に沿って該誘電体チップに埋め込まれたアンテナ導体とを備えることを特徴とするアンテナ装置。 [0029] (1) a dielectric chip having an outer surface, wherein and fitted into an opening provided in the outer case of the terminal device in cooperation with the outer surface of the outer case forming part of the outer surface of the terminal device When the antenna apparatus characterized by comprising an antenna conductor embedded in the dielectric chip along the outer surface of the dielectric chip. (2)上記(1)のアンテナ装置であって、前記開口部から前記外装ケースの高さ方向に離隔して前記外装ケース内に配される印刷配線回路基板を有する端末機器に内蔵されるもの。 (2) An antenna device of the above (1), intended to be incorporated in a terminal device having a printed circuit board spaced from the opening in the height direction of the outer case is disposed within the outer casing .

【0030】(3)上記(1)のアンテナ装置であって、前記誘電体チップに埋め込まれた前記アンテナ導体が前記誘電体チップの前記外表面に略平行に延びるもの。 [0030] (3) above (1) in an antenna device, which the antenna conductor embedded in the dielectric chip extends substantially parallel to the outer surface of said dielectric chip. (4)上記(2)のアンテナ装置であって、前記誘電体チップが、前記印刷配線回路基板に該誘電体チップを固定する為の固定部を備えるもの。 (4) The antenna apparatus described in (2), said dielectric chip, which comprises a fixing portion for fixing the dielectric chip to the printed circuit board. (5)上記(1)のアンテナ装置であって、前記誘電体チップが、前記端末機器の前記外装ケースに前記誘電体チップを固定するための固定部を備えるもの。 (5) An antenna device of the above (1), said dielectric chip, which comprises a fixing portion for fixing the dielectric chip to the outer casing of the terminal device.

【0031】(6)上記(4)のアンテナ装置であって、前記固定部が、前記誘電体チップの前記印刷配線基板側の面から延びる脚部により構成され、前記脚部に、 [0031] (6) The antenna device of the above (4), wherein the fixing portion is constituted by the legs extending from the surface of the printed wiring board side of the dielectric chip, to the legs,
前記印刷配線基板に設けられた孔部に差し込まれるフックが形成されるもの。 Those hooks to be inserted into the hole provided in the printed wiring board is formed. (7)上記(1)のアンテナ装置であって、前記誘電体チップと前記外装ケースとの間に介装され両者間をシールする弾性部材を更に備えるもの。 (7) above (1) in an antenna device further comprises one resilient member to seal therebetween is interposed between said dielectric chip and said outer case.

【0032】(8)上記(4)のアンテナ装置であって、前記誘電体チップの周面には溝が形成され、前記外装ケースは前記誘電体チップの前記周面に沿って延びる壁を有し、前記壁が前記誘電体チップの前記溝に嵌入するフックを有するもの。 [0032] (8) An antenna device of the above (4), wherein the peripheral surface of the dielectric chip groove is formed, the outer case have a wall extending along said circumferential surface of said dielectric chip and, having a hook which the wall is fitted into the groove of the dielectric chip. (9)上記(8)のアンテナ装置であって、前記アンテナ導体から前記誘電体チップの外部へ延びる端子導体を更に備え、前記端子導体の接触面が前記印刷配線回路基板に形成されたパッドに弾性力により接触するもの。 (9) The antenna device of the above (8), further comprising a terminal conductor extending from the antenna conductor to the outside of the dielectric chip, the pad contacting surface is formed on the printed circuit board of the terminal conductors which contact by the elastic force.

【0033】(10)上記(1)のアンテナ装置であって、前記誘電体チップはその前記外表面が前記外装ケースの前記外表面と面一をなすように配されるもの。 [0033] (10) (1) A of the antenna device, the dielectric chip is that the outer surface thereof is disposed so as to form the outer surface flush of the outer case. (11)上記(1)〜(10)のいずれかのアンテナ装置が取り付けられた端末機器。 (11) In (1) to (10) terminal device is one of an antenna device mounted in.

【0034】 [0034]

【発明の効果】本発明のアンテナ装置は、端末機器表面の一部をなすように誘電体チップを配置することにより端末機器の外観を損なうことなしに端末機器に組み込み可能であり、また、誘電体チップの外表面に沿ってアンテナ導体を誘電体チップに埋め込むことでアンテナ導体を端末機器の地導体から十分に離してアンテナ特性を向上することができる。 Effect of the Invention antenna device of the present invention can be incorporated into the terminal equipment without compromising the appearance of the terminal equipment by arranging a dielectric chip so as to form a part of the terminal equipment surface and a dielectric an antenna conductor can be improved antenna characteristics sufficiently release the antenna conductor by embedding a dielectric chip from ground conductor terminal device along the outer surface of the body tip. 本発明の端末装置は、外観が優れる。 Terminal of the present invention, the appearance is excellent.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の第1実施形態に係るアンテナ装置を、 The antenna device according to a first embodiment of the present invention; FIG,
端末機器へ組み込んだ状態で示す概略図である。 It is a schematic diagram showing a state incorporated to the terminal device.

【図2】端末機器へ組み込まれた従来のチップアンテナを示す図である。 2 is a diagram showing a conventional chip antenna incorporated to the terminal device.

【図3】端末機器の外装ケースにアンテナ導体を埋め込んだ構造のアンテナ装置を例示する図である。 3 is a diagram illustrating the antenna device embedded structure of the antenna conductor to the outer casing of the terminal equipment.

【図4】本発明の第2実施形態に係るアンテナ装置を示す概略図である。 4 is a schematic view showing an antenna device according to a second embodiment of the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

10 アンテナ装置 11 アンテナ導体 12 誘電体チップ 12a 外表面 12b 溝 13 脚部 14、27 フック 15 リード端子 16 給電端子 17 短絡端子 20 外装ケース 21 開口部 22 弾性部材 30 印刷配線回路基板 31 コネクタ 32、33 パッド 10 antenna device 11 antenna conductor 12 dielectric chip 12a outer surface 12b groove 13 leg 14, 27 hook 15 lead terminal 16 power supply terminals 17 short-circuit terminal 20 exterior case 21 opening 22 elastic member 30 printed circuit board 31 Connector 32 pad

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 端末機器の外装ケースに設けられた開口部に嵌め込まれ且つ前記外装ケースの外表面と協働して前記端末機器の外面の一部を形成する外表面を有する誘電体チップと、 この誘電体チップの前記外表面に沿って該誘電体チップに埋め込まれたアンテナ導体とを備えることを特徴とするアンテナ装置。 1. A dielectric chip having an outer surface which is fitted in an opening provided in the outer case of the terminal device and the cooperation with the outer surface of the outer case forming part of the outer surface of the terminal equipment and , antenna apparatus characterized by comprising an antenna conductor embedded in the dielectric chip along the outer surface of the dielectric chip.
  2. 【請求項2】 請求項1に記載のアンテナ装置が取り付けられた端末機器。 2. A terminal device antenna device is mounted according to claim 1.
JP2001385092A 2001-01-12 2001-12-18 Antenna system and terminal equipment Pending JP2002280821A (en)

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