JP2731709B2 - Mobile phone - Google Patents
Mobile phoneInfo
- Publication number
- JP2731709B2 JP2731709B2 JP26397293A JP26397293A JP2731709B2 JP 2731709 B2 JP2731709 B2 JP 2731709B2 JP 26397293 A JP26397293 A JP 26397293A JP 26397293 A JP26397293 A JP 26397293A JP 2731709 B2 JP2731709 B2 JP 2731709B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- housing
- head
- foldable
- portable telephone
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は携帯電話機に関し、特に
使用者の頭部に対する放射電磁の影響と使用者の頭部に
よる送受信感度の劣化とを抑圧した携帯電話機に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone, and more particularly to a portable telephone in which the influence of radiated electromagnetic waves on the head of a user and the deterioration of transmission / reception sensitivity due to the head of the user are suppressed.
【０００２】[0002]
【従来の技術】携帯電話機の使用時における使用者の頭
部による影響や頭部に対する影響を改善する従来の技術
は、例えば特開平４−１２７７２３号公報の携帯電話機
や特開昭５９−９２６２９号公報の携帯無線電話装置が
ある。2. Description of the Related Art Conventional techniques for improving the influence of the user's head and the influence on the head when using a mobile phone are disclosed in, for example, Japanese Patent Application Laid-Open No. 4-127723 and Japanese Patent Application Laid-Open No. 59-92629. There is a portable radio telephone device disclosed in the publication.
【０００３】前者の携帯電話機は図３に示すように、送
受信電波の４分の１波長のアンテナ２４が使用時に下側
となる方向に突出して取付けられ、アンテナ２４と金属
部材からなる地板の２の近接点２１で送受信機２３から
の給電線２５に接続されている。通話時にはアンテナ２
４の輻射部は使用者の頭部から離れることとなり、この
結果アンテナ２４の放射パターンは水平方向より少し上
を向いた主ビームを持つようになり、従来より利得を上
げることができる。これにより、自由空間において測定
されるアンテナ１４の放射パターンの乱れや、人体の吸
収による利得低下が抑圧される。As shown in FIG. 3, the former portable telephone is provided with an antenna 24 having a quarter wavelength of a transmission / reception radio wave so as to protrude downward when used. Is connected to a power supply line 25 from a transceiver 23 at a proximity point 21 of the transmission line. Antenna 2 when talking
The radiating portion 4 is separated from the user's head, and as a result, the radiation pattern of the antenna 24 has a main beam slightly upward from the horizontal direction, so that the gain can be increased as compared with the conventional case. As a result, disturbance of the radiation pattern of the antenna 14 measured in free space and reduction in gain due to absorption by the human body are suppressed.
【０００４】また、後者の携帯無線電話装置は、図３に
示すように、使用者３１の耳および口に対向した状態で
無線電話機本体３２の受話器部３３および送話器部３４
を配置し、受話器部３３側に伸びるアンテナには、アン
テナ輻射器部３５の他に非輻射部３６が設けられてい
る。この非輻射部３６は、使用者３１の頭部に対向する
位置に設けられるので、アンテナ輻射器部３５からの放
射電磁波は使用者２１の頭上に生じ、使用者に与える影
響を抑圧している。As shown in FIG. 3, the latter portable radio telephone apparatus has a receiver section 33 and a transmitter section 34 of a radio telephone main body 32 in a state of facing the ear and mouth of a user 31.
The antenna extending toward the receiver unit 33 side is provided with a non-radiation unit 36 in addition to the antenna radiator unit 35. Since the non-radiating section 36 is provided at a position facing the head of the user 31, the radiated electromagnetic wave from the antenna radiator section 35 is generated above the user 21 and suppresses the influence on the user. .
【０００５】[0005]
【発明が解決しようとする課題】この従来の第一例（特
開平４−１２７７２３号）では、図３に示すようにアン
テナ１４が筺体１１の下部にあるので、アンテナ１４を
使用者の頭部から遠ざけることには成功しているが、ア
ンテナ１４が使用者の顔面及び眼球に接近し、遮蔽板な
しに露出して電磁波を放射するという問題点があった。
また、アンテナ長を４分の１波長より長い２分の１波長
にすると使用し難いという問題点があった。In this first conventional example (Japanese Patent Laid-Open No. 4-127723), the antenna 14 is located below the housing 11 as shown in FIG. Although the antenna 14 has been successfully moved away from the user, there is a problem that the antenna 14 approaches the user's face and eyes and is exposed without a shielding plate to emit electromagnetic waves.
Further, when the antenna length is set to a half wavelength longer than the quarter wavelength, there is a problem that it is difficult to use the antenna.
【０００６】また従来の第二例（特開昭５９−９２６２
９号）では図３に示すようにアンテナ輻射器２５と無線
電話機本体２２との中間に非輻射部６が介在するため、
送信出力と受信感度の劣化を招き、かつアンテナ長が長
くなり使用し難いという問題点があった。A second conventional example (JP-A-59-9262)
In No. 9), as shown in FIG. 3, the non-radiating portion 6 is interposed between the antenna radiator 25 and the wireless telephone main body 22.
There has been a problem that the transmission output and the reception sensitivity are deteriorated, and the antenna length is long, which makes it difficult to use.
【０００７】本発明の目的は上述した問題点を解決し、
放射電磁波による人体への影響を回避し、かつ送信出力
と受信感度の劣化を著しく抑圧した使用容易な携帯電話
機を提供することにある。An object of the present invention is to solve the above-mentioned problems,
An object of the present invention is to provide an easy-to-use mobile phone that avoids the influence of the radiated electromagnetic waves on the human body and significantly suppresses deterioration of transmission output and reception sensitivity.
【０００８】[0008]
【課題を解決するための手段】本発明の携帯電話機は、
送受話時に使用者の頭部に対向する筺体の操作面の反対
側の背面に配置した折たたみ可能なアンテナと、前記背
面の内側の筺体内に配設し前記アンテナに対する接地板
として機能する金属板と、前記操作面の内側の筺体内に
配設した送受信部と、前記筺体内に前記金属板との間に
前記送受信部を介在させて配置し前記アンテナから放射
される電磁波の前記使用者の頭部に対する伝搬を阻止す
る遮蔽板とを備える。A portable telephone according to the present invention comprises:
A foldable antenna disposed on the back surface opposite to the operation surface of the housing facing the user's head during transmission and reception, and a metal disposed in the housing inside the back surface and functioning as a ground plate for the antenna A transmitting and receiving unit disposed in a casing inside the operation surface, and the user is provided with the transmitting and receiving unit interposed between the metal plate in the casing and the electromagnetic wave radiated from the antenna. And a shielding plate for preventing propagation to the head.
【０００９】また本発明の携帯電話機は、前記折たたみ
可能なアンテナを略逆Ｕ字形に形成し、かつ下部両端を
支点として折たたみ前記筺体の上部形状に適合して収納
可能とした構成を有する。Further, the portable telephone according to the present invention has a structure in which the foldable antenna is formed in a substantially inverted U-shape and foldable with both lower ends as fulcrums so as to fit in the upper shape of the housing. .
【００１０】また本発明の携帯電話機は、前記折たたみ
可能なアンテナを直線状アンテナとし、かつ下部を支点
として折たたみ前記筺体の背面に凹凸なく収納可能とし
た構成を有する。Further, the portable telephone according to the present invention has a configuration in which the foldable antenna is a linear antenna, and the foldable portion is a fulcrum, and the foldable antenna can be stored on the rear surface of the housing without any irregularities.
【００１１】[0011]
【実施例】次に、本発明について図面を参照して説明す
る。図１は本発明の第一の一実施例の正面図（ａ），側
面透視図（ｂ），背面図（ｃ）および斜視図（ｄ），図
２は本発明の第二の実施例の斜視図である。Next, the present invention will be described with reference to the drawings. FIG. 1 is a front view (a), a side perspective view (b), a rear view (c) and a perspective view (d) of a first embodiment of the present invention, and FIG. 2 is a view of a second embodiment of the present invention. It is a perspective view.
【００１２】図１に示すように、本第一の実施例におい
ては送受信電波の２分の１波長の弾力性のあるアンテあ
２が筺体１２と適合した形状で構成され、携帯電話機１
の背面に配置されている。筺体１２の内部背面にはアン
テナ２の接地板として機能する金属板３が設けられ、ま
た筺体１２の内部にはアンテナ２を送受信部４へ結合す
る給電点６と、送受信部４と、アンテナ２および送受信
部４から放射される電磁波をさえぎる遮蔽板５が設けら
れている。図１（ａ）に示すように、携帯電話機１の正
面には使用者の頭部に対向して配設される受話部８，デ
ィスプレイ９，ダイヤルホン１０およびマイク１１が集
約されている。As shown in FIG. 1, in the first embodiment, an elastic antenna 2 having a half wavelength of a transmission / reception radio wave is formed in a shape compatible with a housing 12, and
It is located on the back. A metal plate 3 functioning as a ground plate for the antenna 2 is provided on the inner back surface of the housing 12. A feeding point 6 for coupling the antenna 2 to the transmitting / receiving unit 4, a transmitting / receiving unit 4, and the antenna 2 are provided inside the housing 12. In addition, a shield plate 5 that blocks electromagnetic waves radiated from the transmission / reception unit 4 is provided. As shown in FIG. 1A, a receiver 8, a display 9, a dial phone 10, and a microphone 11 are arranged on the front of the mobile phone 1 so as to face the user's head.
【００１３】また図１（ｄ）に示すように、アンテナ２
はループ状（Ｕ字形）に湾曲し、かつ下部の両端を回転
軸としてアンテナ可動方向Ａに示す範囲に角度調整がで
きる。このアンテナ２を収納する時は、携帯電話機１の
上部にあるアンテナ収納部７へアンテナ２を回転させて
収納する。アンネナ収納部７はアンテナ２の形状に適合
させた段付きの切欠きがあり、収納時に背面、側面およ
び上部面と同一面となる。Further, as shown in FIG.
Is curved in a loop shape (U-shape), and the angle can be adjusted in a range shown in the antenna movable direction A with both lower ends as rotation axes. When storing the antenna 2, the antenna 2 is rotated and stored in an antenna storage section 7 provided above the mobile phone 1. The antenna storage section 7 has a stepped cutout adapted to the shape of the antenna 2 and is flush with the rear, side and upper surfaces when stored.
【００１４】アンテな収納時およびアンテナ引出し時と
もにアンテナ２は送受信部４に供給点６を通して最短距
離にて直結結合されている。The antenna 2 is directly connected to the transmitting / receiving unit 4 via the supply point 6 at the shortest distance when the antenna is stored and the antenna is pulled out.
【００１５】携帯電話機１の使用時において、アンテナ
２はアンテナ収納部７より引出して携帯電話機１の背面
に配置され、筺体１２の内部背面にあるアンテナ接地板
の金属板３と作用して電磁波を放射する。この場合、使
用者頭部方向への放射は筺体１２の内部に配設した遮蔽
板５により阻止され、使用者の頭部に対する電磁波放射
の影響を著しく軽減するとともに送受信感度の劣化を著
しく抑止する。When the mobile phone 1 is used, the antenna 2 is pulled out of the antenna housing 7 and disposed on the back of the mobile phone 1, and acts on the metal plate 3 of the antenna grounding plate on the inner back of the housing 12 to generate electromagnetic waves. Radiate. In this case, the radiation in the direction of the user's head is blocked by the shielding plate 5 disposed inside the housing 12, so that the influence of the electromagnetic wave radiation on the user's head is significantly reduced and the deterioration of the transmission / reception sensitivity is significantly suppressed. .
【００１６】図２は本発明の第二の実施例の斜視図であ
る。この第二の実施例は、アンテナを４分の１波長アン
テナのアンテナ１３とし、これをアンテナ収納部の背面
に開閉自在な構造で開（運用）、閉（格納）可能とす
る。また格納状態では筺体１２の背面が凹凸のない平坦
な面となる。アンテナ１３およびアンテナ収納部７以外
の構成については図１に示す第一の実施例と同じである
ので、図示による詳細な説明は省略する。FIG. 2 is a perspective view of a second embodiment of the present invention. In the second embodiment, the antenna is a quarter-wavelength antenna 13 which can be opened (operated) and closed (retracted) by a structure which can be opened and closed on the back of the antenna housing. In the retracted state, the rear surface of the housing 12 is a flat surface with no irregularities. The configuration other than the antenna 13 and the antenna housing 7 is the same as that of the first embodiment shown in FIG.
【００１７】このようにして、携帯者の頭部に対する放
射電磁波の影響および携帯者の頭部による送受信感度の
劣化を著しく抑圧することができる。In this manner, the influence of the radiated electromagnetic waves on the head of the wearer and the deterioration of the transmission / reception sensitivity due to the head of the wearer can be significantly suppressed.
【００１８】[0018]
【発明の効果】以上説明したように本発明は、アンテナ
を携帯電話機の背面に配置し、かつ携帯電話機の内部に
遮蔽板を設けることにより、携帯者の頭部とアンテナと
の間に位置することによる放射電磁波による人体への影
響と人体頭部による送受信感度の劣化を著しく抑圧する
ことができる効果がある。As described above, according to the present invention, the antenna is located between the head of the wearer and the antenna by disposing the antenna on the back of the mobile phone and providing the shielding plate inside the mobile phone. Therefore, there is an effect that the influence on the human body due to the radiated electromagnetic wave and the deterioration of the transmission / reception sensitivity due to the human head can be significantly suppressed.
【図１】本発明の第一の実施例のの正面図（ａ），側面
透視図（ｂ），背面図（ｃ）および斜視図（ｄ）であ
る。FIG. 1 is a front view (a), a side perspective view (b), a rear view (c), and a perspective view (d) of a first embodiment of the present invention.
【図２】本発明の第二の実施例の斜視図である。FIG. 2 is a perspective view of a second embodiment of the present invention.
【図３】従来の携帯電話機の第一例を示す正面図であ
る。FIG. 3 is a front view showing a first example of a conventional mobile phone.
【図４】従来の携帯電話機の第二例の運用状態を示す側
面図である。FIG. 4 is a side view showing an operation state of a second example of a conventional mobile phone.
１ 携帯電話機 ２，１３ アンテナ ３ 金属板 ４ 送受信部 ５ 遮蔽板 ６ 給電点 ７，１４ アンテナ収納部 ８ 受話部 ９ ディスプレイ １０ ダイヤルボタン １１ マイク １２ 筺体 DESCRIPTION OF SYMBOLS 1 Cellular phone 2, 13 Antenna 3 Metal plate 4 Transmission / reception part 5 Shielding plate 6 Feeding point 7, 14 Antenna storage part 8 Receiver 9 Display 10 Dial button 11 Microphone 12 Housing
Claims (3)
の操作面の反対側の背面に配置した折たたみ可能なアン
テナと、前記背面の内側の筺体内に配設し前記アンテナ
に対する接地板として機能する金属板と、前記操作面の
内側の筺体内に配設した送受信部と、前記筺体内に前記
金属板との間に前記送受信部を介在させて配置し前記ア
ンテナから放射される電磁波の前記使用者の頭部に対す
る伝搬を阻止する遮蔽板とを備えることを特徴とする携
帯電話機。1. A foldable antenna disposed on a back surface opposite to an operation surface of a housing facing a user's head during transmission and reception, and a foldable antenna disposed in a housing inside the back surface and connected to the antenna. A metal plate functioning as a ground plate, a transmitting / receiving unit disposed in a housing inside the operation surface, and the transmitting / receiving unit interposed between the metal plate in the housing and radiated from the antenna A mobile phone comprising: a shielding plate that prevents propagation of electromagnetic waves to the user's head.
形に形成し、かつ下部両端を支点として折たたみ前記筺
体の上部形状に適合して収納可能としたことを特徴とす
る請求項１記載の携帯電話機。2. The antenna according to claim 1, wherein the foldable antenna is formed in a substantially inverted U-shape, and the antenna is foldable with both lower ends serving as fulcrums so as to fit into the upper shape of the housing. Mobile phone.
ンテナとし、かつ下部を支点として折たたみ前記筺体の
背面に凹凸なく収納可能としたことを特徴とする請求項
１記載の携帯電話機。3. The mobile phone according to claim 1, wherein the foldable antenna is a linear antenna, and the foldable portion is a fulcrum, and the foldable antenna can be stowed on the rear surface of the housing without any irregularities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26397293A JP2731709B2 (en) | 1993-10-22 | 1993-10-22 | Mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26397293A JP2731709B2 (en) | 1993-10-22 | 1993-10-22 | Mobile phone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07123463A JPH07123463A (en) | 1995-05-12 |
| JP2731709B2 true JP2731709B2 (en) | 1998-03-25 |
Family
ID=17396779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26397293A Expired - Fee Related JP2731709B2 (en) | 1993-10-22 | 1993-10-22 | Mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2731709B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE508365C2 (en) | 1996-11-04 | 1998-09-28 | Ericsson Telefon Ab L M | Radio telephone with high antenna efficiency |
| KR19990068644A (en) * | 1999-06-08 | 1999-09-06 | 민경식 | Apparatus for wireless communication |
| JP2006325133A (en) * | 2005-05-20 | 2006-11-30 | Matsushita Electric Ind Co Ltd | Cellular phone with broadcasting receiver |
| JP6236372B2 (en) * | 2014-10-03 | 2017-11-22 | 太平洋工業株式会社 | Module terminal |
| CN106129586B (en) * | 2016-06-24 | 2019-01-01 | 芜湖辉灿电子科技有限公司 | The antenna for mobile phone of selective enhancement signal |
| CN108008767B (en) * | 2017-11-30 | 2021-03-16 | 珠海市魅族科技有限公司 | Flexible electronic device |
| CN108494916B (en) * | 2018-05-02 | 2021-06-15 | Oppo广东移动通信有限公司 | Shell assembly, antenna assembly, manufacturing method of antenna assembly and electronic equipment |
| CN108667983B (en) * | 2018-05-04 | 2021-02-02 | Oppo广东移动通信有限公司 | Shell assembly, antenna assembly and electronic equipment |
| CN108650348A (en) * | 2018-05-04 | 2018-10-12 | Oppo广东移动通信有限公司 | Housing unit, antenna module and electronic equipment |
-
1993
- 1993-10-22 JP JP26397293A patent/JP2731709B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07123463A (en) | 1995-05-12 |
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