JP2690723B2 - Retractable antenna grounding structure for portable radios - Google Patents
Retractable antenna grounding structure for portable radiosInfo
- Publication number
- JP2690723B2 JP2690723B2 JP7301137A JP30113795A JP2690723B2 JP 2690723 B2 JP2690723 B2 JP 2690723B2 JP 7301137 A JP7301137 A JP 7301137A JP 30113795 A JP30113795 A JP 30113795A JP 2690723 B2 JP2690723 B2 JP 2690723B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- ground layer
- grounding structure
- case
- retractable antenna
- 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.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims 1
- 238000005476 soldering Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
- Transceivers (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は携帯無線機の収納式
アンテナ接地構造に関し、特に携帯無線機筐体内の多層
プリント基板に収納式アンテナのケースを接地させる収
納式アンテナ接地構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retractable antenna grounding structure for a portable wireless device, and more particularly to a retractable antenna grounding structure for grounding a case of a retractable antenna on a multilayer printed circuit board inside a portable wireless device housing.
【０００２】[0002]
【従来の技術】図３は、従来の携帯無線機の収納式アン
テナ接地構造の一例を示す一部切欠き斜視図である。2. Description of the Related Art FIG. 3 is a partially cutaway perspective view showing an example of a retractable antenna grounding structure of a conventional portable wireless device.
【０００３】ここで、収納式アンテナ１のアンテナケー
ス２は、携帯無線機筐体１０内に実装される多層プリン
ト基板３上に配設され接地される。この場合、多層プリ
ント基板３の表面に形成されたグランドパターン７上に
金属性の接触バネ８をハンダ付けし、この接触バネ８に
アンテナケース２を圧接することにより、接触バネ８を
介してアンテナケース２を接地している。なお、多層プ
リント基板３には中間グランド層４が設けられて無線回
路が配置されている。Here, the antenna case 2 of the retractable antenna 1 is arranged and grounded on a multilayer printed circuit board 3 mounted in a portable radio casing 10. In this case, a metallic contact spring 8 is soldered on the ground pattern 7 formed on the surface of the multilayer printed circuit board 3, and the antenna case 2 is pressed against this contact spring 8 to thereby cause the antenna to pass through the contact spring 8. Case 2 is grounded. An intermediate ground layer 4 is provided on the multilayer printed circuit board 3 to arrange a wireless circuit.
【０００４】[0004]
【発明が解決しようとする課題】上述した従来の携帯無
線機の収納式アンテナ接地構造では、多層プリント基板
表面のグランドパターン上に接触バネをハンダ付けし、
この接触バネにアンテナケースを押し付けて接地してい
る。In the above-mentioned conventional retractable antenna grounding structure for a portable wireless device, a contact spring is soldered on the ground pattern on the surface of the multilayer printed circuit board,
The antenna case is pressed against this contact spring to be grounded.
【０００５】しかし、接触バネとアンテナケースとの接
触は部分的であり、また、接触バネをハンダ付けする際
に、ハンダの盛り上りや多層プリント基板の反り等が生
じた場合には、接触不良が発生するという問題点を有し
ている。However, the contact between the contact spring and the antenna case is partial, and if solder bumps or warpage of the multi-layer printed circuit board occur when soldering the contact spring, poor contact occurs. Has a problem that occurs.
【０００６】本発明の目的は、収納式アンテナのアンテ
ナケースを確実に多層プリント基板に接地させて固定で
きる収納式アンテナの接地構造を提供することにある。An object of the present invention is to provide a grounding structure for a retractable antenna, which can surely ground and fix the antenna case of the retractable antenna to the multilayer printed circuit board.
【０００７】[0007]
【課題を解決するための手段】本発明の携帯無線機の収
納式アンテナ接地構造は、中間グランド層を有する多層
プリント基板上に、アンテナケースの取付け位置に沿っ
て、中間グランド層が露出する溝を形成し、この溝に沿
って導電弾性体を置き、この導電弾性体を介してアンテ
ナケースを中間グランド層に圧接して接地させる構造と
する。SUMMARY OF THE INVENTION A retractable antenna grounding structure for a portable wireless device according to the present invention has a groove in which an intermediate ground layer is exposed along a mounting position of an antenna case on a multilayer printed circuit board having an intermediate ground layer. Is formed, a conductive elastic body is placed along the groove, and the antenna case is pressed against the intermediate ground layer through the conductive elastic body to be grounded.
【０００８】[0008]
【発明の実施の形態】次に本発明について図面を参照し
て説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings.
【０００９】図１は本発明の一実施形態を示す一部切欠
き斜視図である。ここで、携帯無線機筐体１０内に実装
される多層プリント基板３には、中間グランド層４が設
けられて無線回路が配置されている。FIG. 1 is a partially cutaway perspective view showing an embodiment of the present invention. Here, an intermediate ground layer 4 is provided on the multilayer printed circuit board 3 mounted in the portable wireless device housing 10 to arrange a wireless circuit.
【００１０】さて、多層プリント基板３の表面には、収
納式アンテナ１のアンテナケース２の配設位置に沿っ
て、図２に示すように、溝５が形成されている。この溝
５は中間グランド層４に達する深さまで削られており、
溝５の底面には中間グランド層４が露出している。Now, as shown in FIG. 2, a groove 5 is formed on the surface of the multilayer printed circuit board 3 along the position of the antenna case 2 of the retractable antenna 1. This groove 5 is cut to a depth reaching the intermediate ground layer 4,
The intermediate ground layer 4 is exposed on the bottom surface of the groove 5.
【００１１】また、溝５の底面に露出している中間グラ
ンド層４の上には、導電性を有する導電弾性体６が置か
れている。この導電弾性体６は、例えば、導電性ゴム材
や導電性樹脂材等により形成する。そして、導電弾性体
６の上にアンテナケース２を置き、携帯無線機筐体１０
の内側の突起部１１により、アンテナケース２を押し付
けるようにする。On the intermediate ground layer 4 exposed on the bottom surface of the groove 5, a conductive elastic body 6 having conductivity is placed. The conductive elastic body 6 is formed of, for example, a conductive rubber material or a conductive resin material. Then, the antenna case 2 is placed on the conductive elastic body 6, and the portable wireless device housing 10
The antenna case 2 is pressed by the protrusion 11 on the inside.
【００１２】このような構造にすることにより、アンテ
ナケース２の広い部分が導電弾性体６を介して中間グラ
ンド層４と密着するので、アンテナケース２を確実に接
地させることができる。With this structure, a wide portion of the antenna case 2 is in close contact with the intermediate ground layer 4 via the conductive elastic body 6, so that the antenna case 2 can be grounded reliably.
【００１３】また、アンテナケース２は、導電弾性体６
を介して多層プリント基板３の溝５に圧接されるので、
確実に固定できる。The antenna case 2 has a conductive elastic body 6
Since it is pressed against the groove 5 of the multilayer printed circuit board 3 via
Can be securely fixed.
【００１４】[0014]
【発明の効果】以上説明したように本発明によれば、中
間グランド層を有する多層プリント基板に、アンテナケ
ースの配設位置に沿って、中間グランド層が露出する深
さの溝を形成し、溝の底面に露出した中間グランド層上
に導電弾性体を置き、この導電弾性体を介してアンテナ
ケースと中間グランド層とを圧接して密着させることに
より、アンテナケースの広い部分を接地させることがで
きる。同時に、アンテナケースを多層プリント基板の溝
に確実に固定できる。また、従来例のハンダ付け接触バ
ネを使用しないので、ハンダ付け不良や接触バネの劣化
による接触不良を防止できるという効果を有している。As described above, according to the present invention, a groove having such a depth that the intermediate ground layer is exposed is formed in the multilayer printed circuit board having the intermediate ground layer along the position where the antenna case is provided. A conductive elastic body is placed on the intermediate ground layer exposed on the bottom surface of the groove, and a wide portion of the antenna case can be grounded by pressing the antenna case and the intermediate ground layer into close contact with each other via the conductive elastic body. it can. At the same time, the antenna case can be securely fixed to the groove of the multilayer printed board. Moreover, since the soldering contact spring of the conventional example is not used, there is an effect that a soldering failure or a contact failure due to deterioration of the contact spring can be prevented.
【図１】本発明の一実施形態を示す一部切欠き斜視図で
ある。FIG. 1 is a partially cutaway perspective view showing an embodiment of the present invention.
【図２】図１に示したアンテナケース２の取付け状態を
示す断面図である。FIG. 2 is a cross-sectional view showing a mounted state of the antenna case 2 shown in FIG.
【図３】従来の携帯無線機の収納式アンテナ接地構造の
一例を示す一部切欠き斜視図である。FIG. 3 is a partially cutaway perspective view showing an example of a retractable antenna grounding structure of a conventional portable wireless device.
１ 収納式アンテナ ２ アンテナケース ３ 多層プリント基板 ４ 中間グランド層 ５ 溝 ６ 導電弾性体 １０ 携帯無線機筐体 １１ 突起部 1 Retractable Antenna 2 Antenna Case 3 Multilayer Printed Circuit Board 4 Intermediate Ground Layer 5 Groove 6 Conductive Elastic Body 10 Portable Wireless Device Case 11 Protrusion
Claims (2)
収納式アンテナのケースを接地させる携帯無線機の収納
式アンテナ接地構造において、前記多層プリント基板の
内部に中間グランド層を設け、この多層プリント基板の
前記アンテナケースが配設される位置に沿って前記中間
グランド層が露出する深さの溝を形成し、この溝の底面
に露出している中間グランド層上に前記アンテナケース
を配設することを特徴とする携帯無線機の収納式アンテ
ナ接地構造。1. A retractable antenna grounding structure for a portable wireless device in which a case of a retractable antenna is grounded on a multilayer printed circuit board in a portable wireless device housing, wherein an intermediate ground layer is provided inside the multilayer printed circuit board. A groove having a depth to expose the intermediate ground layer is formed along the position of the substrate where the antenna case is provided, and the antenna case is provided on the intermediate ground layer exposed at the bottom surface of the groove. A retractable antenna grounding structure for portable radios.
ド層上に導電性を有する弾性体を配設し、この弾性体上
に前記アンテナケースを配設して圧接することを特徴と
する請求項１記載の携帯無線機の収納式アンテナ接地構
造。2. An elastic body having conductivity is arranged on the intermediate ground layer exposed on the bottom surface of the groove, and the antenna case is arranged on the elastic body and pressure-contacted. The retractable antenna grounding structure for a portable wireless device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7301137A JP2690723B2 (en) | 1995-11-20 | 1995-11-20 | Retractable antenna grounding structure for portable radios |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7301137A JP2690723B2 (en) | 1995-11-20 | 1995-11-20 | Retractable antenna grounding structure for portable radios |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09148813A JPH09148813A (en) | 1997-06-06 |
| JP2690723B2 true JP2690723B2 (en) | 1997-12-17 |
Family
ID=17893260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7301137A Expired - Fee Related JP2690723B2 (en) | 1995-11-20 | 1995-11-20 | Retractable antenna grounding structure for portable radios |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2690723B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5420003B2 (en) * | 2012-03-02 | 2014-02-19 | パナソニック株式会社 | Mobile device |
-
1995
- 1995-11-20 JP JP7301137A patent/JP2690723B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09148813A (en) | 1997-06-06 |
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Legal Events
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|---|---|---|---|
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Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970729 |
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| R250 | Receipt of annual fees |
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| FPAY | Renewal fee payment (event date is renewal date of database) |
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| FPAY | Renewal fee payment (event date is renewal date of database) |
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| LAPS | Cancellation because of no payment of annual fees |