JP2012080190A - Mobile radio terminal - Google Patents

Mobile radio terminal Download PDF

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JP2012080190A
JP2012080190A JP2010221129A JP2010221129A JP2012080190A JP 2012080190 A JP2012080190 A JP 2012080190A JP 2010221129 A JP2010221129 A JP 2010221129A JP 2010221129 A JP2010221129 A JP 2010221129A JP 2012080190 A JP2012080190 A JP 2012080190A
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unit
operation unit
housing
antenna
wireless terminal
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Nobuaki Majima
伸明 間嶋
Takeya Nagano
健也 長野
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Panasonic Corp
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Panasonic Corp
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Abstract

PROBLEM TO BE SOLVED: To achieve high antenna performance reducing an effect of user's hands at a portable radio terminal which the user operates with both hands.SOLUTION: In a portable radio device 301, an operation part 106 is comprised of two operation parts, a first operation part 302 and a second operation part 303, the distances between the first operation part and the second operation part are set to be d1<d2<d3, and an antenna unit for radio communication 203 is arranged in an intermediate place between the first operation part 302 and the second operation part 303 and also in an end part opposed to a hinge part 104, thereby being able to achieve high antenna performance without user's hands 202 coming close to the antenna unit for radio communication 203. In addition, the antenna unit for radio communication 203 is not limited to a monopole antenna formed in a linear or planar shape, but also a planar inverted F antenna or a patch antenna has a similar effect.

Description

本発明は両手で入力操作を行う携帯無線端末において、使用者の手の影響を低減して高いアンテナ性能を実現するものである。 The present invention achieves high antenna performance by reducing the influence of a user's hand in a portable wireless terminal that performs an input operation with both hands.

近年、スマートフォンの登場により表示部とキーボード入力部を搭載する携帯無線端末が増えている。また、携帯無線端末の機能の一部を分担させた小型子機を内蔵するタイプの携帯無線端末も発表されている。
一般に携帯無線端末は携帯性を重要視するため、ノートPCに比べ小型である。そのため、キーボード入力部は表示部以外の筐体全体にわたって配置されることが多い。
その場合、無線通信用のアンテナは筐体内の空きスペースを有効活用するために、上筐体又は下筐体の端部位置に配置されることが多い。 In recent years, with the advent of smartphones, mobile wireless terminals equipped with a display unit and a keyboard input unit are increasing. A portable wireless terminal of a type that incorporates a small handset that shares a part of the functions of the portable wireless terminal has also been announced.
In general, portable wireless terminals are smaller than notebook PCs because portability is important. For this reason, the keyboard input unit is often arranged over the entire casing other than the display unit.
In that case, the antenna for wireless communication is often arranged at the end position of the upper casing or the lower casing in order to effectively use the empty space in the casing.

上筐体と下筐体とが開閉可能に連結された携帯無線端末では、バッテリは機器本体の大きさに対して占める割合が大きいことから、表示部とは別の下筐体に配置される場合が多い。バッテリが下筐体に配置される場合、無線部も下筐体内に配置される場合が多く、無線通信用のアンテナは下筐体内に配置されることが多い。
なお、無線通信用アンテナを下筐体内に配置する場合、筐体や内部部品との近接により、アンテナ性能が低下しないようにアンテナを最外壁に取り付ける構成（例えば、特許文献１参照）や、小型子機を内蔵する携帯無線端末においては小型子機を搭載した状態で子機のアンテナが筐体の外に飛び出す構成（例えば、特許文献２参照）又は小型子機を搭載した状態で子機のアンテナと重なる領域に親機の金属物を配置しない構成（例えば、特許文献３参照）がある。 In a portable wireless terminal in which an upper housing and a lower housing are connected so as to be openable and closable, since the battery occupies a large proportion of the size of the device body, the battery is disposed in a lower housing separate from the display unit. There are many cases. When the battery is disposed in the lower housing, the wireless unit is often disposed in the lower housing, and the antenna for wireless communication is often disposed in the lower housing.
When the antenna for wireless communication is arranged in the lower housing, a configuration in which the antenna is attached to the outermost wall so as not to deteriorate the antenna performance due to proximity to the housing or internal components (for example, see Patent Document 1), or a small size In a portable wireless terminal with a built-in handset, a structure in which the antenna of the handset jumps out of the housing with the small handset mounted (see, for example, Patent Document 2) or with the small handset installed There is a configuration (for example, refer to Patent Document 3) in which the metal object of the parent device is not arranged in a region overlapping with the antenna.

特開２００２−１４１７２４号公報JP 2002-141724 A 特開２００９−０８８８３９号公報JP 2009-088839 A 特開２００２−０１６４１８号公報JP 2002-016418 A

しかしながら、表示部とキーボード入力部を搭載する携帯無線端末ではノートＰＣに比べ筐体のサイズが小さいため、使用者が両手で入力する際に手と無線通信用アンテナが近接するという課題がある。
本発明は、係る事情に鑑みてなされたものであり、表示部とキーボード入力部を搭載する携帯無線端末において、下筐体内に無線通信用アンテナを搭載しながらも、使用者の手の影響を低減し、高いアンテナ性能を備えた携帯無線端末を提供することを目的とする。 However, since a portable wireless terminal equipped with a display unit and a keyboard input unit is smaller in size than a notebook PC, there is a problem that a hand and a wireless communication antenna are close to each other when a user inputs with both hands.
The present invention has been made in view of such circumstances, and in a portable wireless terminal equipped with a display unit and a keyboard input unit, the effect of a user's hand is affected while a wireless communication antenna is mounted in a lower housing. An object of the present invention is to provide a portable wireless terminal that is reduced and has high antenna performance.

本発明の携帯無線端末は、第１の筐体と、前記第１の筐体内に配置される表示部と、第２の筐体と、前記第１の筐体と前記第２の筐体を回動可能に接続するヒンジ部と、前記第２の筐体に配置される操作部と、前記第２の筐体内に配置される無線部と、前記無線部と整合回路を介して接続される無線通信用アンテナ部とを備え、前記操作部は第１操作部、第２操作部とから成り、前記ヒンジ部と最近接する前記第２の筐体の一辺から対抗する辺に対して前記第１操作部と前記第２操作部の間隔が段階的に広くなるように配置され、前記無線通信用アンテナ部は前記第１操作部と前記第２操作部の間に配置される。
上記構成によれば、表示部と操作部を搭載する携帯無線端末において、使用者の手の影響を低減し、高いアンテナ性能を確保することができる。
さらに、携帯無線端末に、前記第２の筐体内に着脱可能に配置される第３の筐体を備え、前記無線通信用アンテナ部を前記第３の筐体内に設ける。
上記構成によれば、携帯無線端末の機能の一部を分担させた小型子機を内蔵するタイプの携帯無線端末においても、使用者の手の影響を低減し、高いアンテナ性能を確保することができる。
また、前記無線通信用アンテナ部を板状逆Ｆアンテナとすることで、より使用者の手の影響を低減することができる。
さらに、前記無線通信用アンテナ部を平衡給電することで、前記第２の筐体に流れるアンテナ電流を低減することができ、使用者の手の影響をさらに低減することができる。 The portable wireless terminal of the present invention includes a first casing, a display unit disposed in the first casing, a second casing, the first casing, and the second casing. A hinge portion that is pivotably connected, an operation portion that is disposed in the second housing, a wireless portion that is disposed in the second housing, and the wireless portion that is connected via a matching circuit. A radio communication antenna unit, and the operation unit includes a first operation unit and a second operation unit, and the first unit is opposed to a side opposite to one side of the second casing that is closest to the hinge unit. The wireless communication antenna unit is disposed between the first operation unit and the second operation unit so that an interval between the operation unit and the second operation unit is gradually increased.
According to the said structure, in the portable radio | wireless terminal carrying a display part and an operation part, the influence of a user's hand can be reduced and high antenna performance can be ensured.
Furthermore, the portable wireless terminal includes a third housing that is detachably disposed in the second housing, and the wireless communication antenna unit is provided in the third housing.
According to the above configuration, even in a portable wireless terminal of a type incorporating a small handset that shares a part of the function of the portable wireless terminal, it is possible to reduce the influence of the user's hand and ensure high antenna performance. it can.
Moreover, the influence of a user's hand can be reduced more by making the said antenna part for radio | wireless communication into a plate-shaped inverted F antenna.
Furthermore, by performing balanced power feeding on the wireless communication antenna unit, the antenna current flowing through the second housing can be reduced, and the influence of the user's hand can be further reduced.

本発明は、両手で操作を行う携帯無線端末において、使用者の手の影響を軽減してアンテナ性能を高める効果を有する。 INDUSTRIAL APPLICABILITY The present invention has an effect of improving antenna performance by reducing the influence of a user's hand in a portable wireless terminal operated with both hands.

従来構成に係る携帯無線端末の概略構成を示す外観斜視図External perspective view showing schematic configuration of portable wireless terminal according to conventional configuration 従来構成に係る携帯無線端末の使用状態を示す外観正面図External appearance front view showing usage state of portable wireless terminal according to conventional configuration 本発明の実施の形態１に係る携帯無線端末の使用状態を説明するための外観概略図Schematic external view for explaining a use state of the portable wireless terminal according to the first embodiment of the present invention 本発明の実施の形態２に係る携帯無線端末の使用状態を説明するための外観概略図Outline appearance diagram for explaining use state of portable wireless terminal according to embodiment 2 of the present invention

以下、本発明を実施するための好適な実施の形態について、図面を参照して詳細に説明する。
図１及び図２は本発明の実施の形態１に係る携帯無線端末を示す上で前提となる従来の携帯無線端末の概略図である。同図において、本実施の形態の携帯無線機１０１は２つ以上の筐体から構成される携帯無線端末である。
携帯無線端末１０１は第１の筐体１０３と第２の筐体１０５、第１の筐体１０３と第２の筐体１０５を回転可動に接続するヒンジ部１０４とから構成されている。第一の筐体１０３上には表示部１０２が配置され、第２の筐体上に操作部１０６が構成される。操作部１０６は使用者の要望に応じて、ＱＷＥＲＴＹ配列や、携帯無線端末に固有のキー配列が選択される。第１の筐体１０３、第２の筐体１０５は略１００ｍｍ×５０ｍｍのサイズで構成される。
図２に従来構成に係る携帯無線端末の使用状態を表す正面図を示す。なお、図２において前述した図１の携帯無線機１０１と共通する部分には同一の符号を付ける。
携帯無線端末２０１には無線通信用の無線通信用アンテナ部２０３を備える。無線通信用アンテナ部２０３は線状又は板状の導体で構成され、モノポールアンテナとして動作する。例えば、動作周波数は２ＧＨｚ帯で設定され、第２の筐体１０５の端部に配置される。そのため、従来構成に係る携帯無線端末において、使用者の手２０２が操作部１０６に配置される状態では無線通信用無線通信用アンテナ部２０３は使用者の手２０２と近接した状態で配置される。 DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments for carrying out the invention will be described in detail with reference to the drawings.
1 and 2 are schematic views of a conventional portable radio terminal which is a premise for showing a portable radio terminal according to Embodiment 1 of the present invention. In the figure, a portable wireless device 101 according to the present embodiment is a portable wireless terminal composed of two or more housings.
The portable wireless terminal 101 includes a first casing 103 and a second casing 105, and a hinge section 104 that connects the first casing 103 and the second casing 105 to be rotatable. A display unit 102 is disposed on the first housing 103, and an operation unit 106 is configured on the second housing. The operation unit 106 selects a QWERTY layout or a key layout unique to the portable wireless terminal according to the user's request. The first housing 103 and the second housing 105 have a size of approximately 100 mm × 50 mm.
FIG. 2 is a front view showing a use state of the portable wireless terminal according to the conventional configuration. 2 that are the same as those in the portable wireless device 101 of FIG. 1 described above are denoted by the same reference numerals.
The portable wireless terminal 201 includes a wireless communication antenna unit 203 for wireless communication. The wireless communication antenna unit 203 is composed of a linear or plate-like conductor and operates as a monopole antenna. For example, the operating frequency is set in the 2 GHz band, and is arranged at the end of the second casing 105. Therefore, in the portable wireless terminal according to the conventional configuration, when the user's hand 202 is disposed on the operation unit 106, the wireless communication antenna unit 203 for wireless communication is disposed close to the user's hand 202.

（実施の形態１）
図３に本実施の形態１に係る携帯無線端末の使用状態を説明するための概略図を示す。なお、図３において前述した図１の携帯無線端末１０１及び図２の携帯無線端末２０１と共通する部分には同一の符号を付ける。
本実施の形態１に係る携帯無線端末は第２の筐体１０５上に第１操作部３０２、第２操作部３０３を備える。第１操作部３０２及び第２操作部３０３は操作部１０６を中央部から左右に分割した構成にしたものである。第１操作部３０２と第２操作部３０３は第１操作部と第２操作部の間隔ｄ１、ｄ２、ｄ３を隔てて第２の筐体１０５上に配置される。第１操作部と第２操作部の間隔ｄ１、ｄ２、ｄ３は段階的に大きくなり、ｄ１＜ｄ２＜ｄ３の関係が成り立つ。例えばｄ１＝５ｍｍ、ｄ２＝７．５ｍｍ、ｄ３＝１０ｍｍで設定される。無線通信用アンテナ部２０３は第１操作部３０２、第２操作部３０３の中間位置かつヒンジ部１０４とは対抗する端部に配置される。
このように本実施の形態の携帯無線機３０１によれば、操作部１０６を第１操作部３０２、第２操作部３０３といった２つの操作部から成り、第１操作部と第２操作部の間隔をｄ１＜ｄ２＜ｄ３となるように設定し、無線通信用アンテナ部２０３を第１操作部３０２、第２操作部３０３の中間位置かつヒンジ部１０４とは対抗する端部に配置するようにしたので、使用者の手２０２が無線通信用アンテナ部２０３に近接することなく、高いアンテナ性能を実現できる。
なお、無線通信用アンテナ部２０３は線状又は板状形状で構成されるモノポールアンテナだけでなく、板状逆Ｆアンテナ、パッチアンテナでも同等の効果を有する。
図４に本実施の形態２に係る携帯無線端末の使用状態を説明するための正面図を示す。図４において、前述した図１の携帯無線端末１０１、図２の携帯無線端末２０１及び図３の携帯無線端末３０１と共通する部分には同一の符号を付ける。
本実施の形態２は本実施の形態１に第３の筐体４０２を追加した構成である。第３の筐体４０２は第２の筐体１０５内に内蔵され、第２の筐体１０５と着脱可能な構造で固定される。また、無線通信用アンテナ部２０３は第３の筐体に内蔵される。
このように本実施の形態の携帯無線機４０１によれば、第３の筐体を備えた携帯無線端末において、操作部１０６を第１操作部３０２、第２操作部３０３に分割し、第１操作部と第２操作部の間隔をｄ１＜ｄ２＜ｄ３となるように設定し、無線通信用アンテナ部２０３を第１操作部３０２、第２操作部３０３の中間位置かつヒンジ部１０４とは対抗する端部に配置するようにしたので、使用者の手２０２が無線通信用アンテナ部２０３に近接することなく、高いアンテナ性能を実現できる。なお、無線通信用アンテナ部２０３は線状又は板状形状で構成されるモノポールアンテナだけでなく、板状逆Ｆアンテナ、パッチアンテナでも同等の効果を有する。 (Embodiment 1)
FIG. 3 shows a schematic diagram for explaining a use state of the portable wireless terminal according to the first embodiment. In FIG. 3, the same reference numerals are assigned to the parts common to the portable wireless terminal 101 of FIG. 1 and the portable wireless terminal 201 of FIG.
The mobile radio terminal according to Embodiment 1 includes a first operation unit 302 and a second operation unit 303 on the second casing 105. The first operation unit 302 and the second operation unit 303 are configured such that the operation unit 106 is divided into left and right parts from the central part. The first operation unit 302 and the second operation unit 303 are disposed on the second casing 105 with the distances d1, d2, and d3 between the first operation unit and the second operation unit being separated. The distances d1, d2, and d3 between the first operation unit and the second operation unit increase stepwise, and the relationship d1 <d2 <d3 is established. For example, d1 = 5 mm, d2 = 7.5 mm, and d3 = 10 mm. The wireless communication antenna unit 203 is disposed at an intermediate position between the first operation unit 302 and the second operation unit 303 and at an end facing the hinge unit 104.
As described above, according to the portable wireless device 301 of the present embodiment, the operation unit 106 includes two operation units such as the first operation unit 302 and the second operation unit 303, and the interval between the first operation unit and the second operation unit. Is set so that d1 <d2 <d3, and the wireless communication antenna unit 203 is disposed at an intermediate position between the first operation unit 302 and the second operation unit 303 and at an end facing the hinge unit 104. Therefore, high antenna performance can be realized without the user's hand 202 being close to the wireless communication antenna unit 203.
The wireless communication antenna unit 203 has not only a monopole antenna having a linear or plate shape, but also a plate-like inverted F antenna and a patch antenna having the same effect.
FIG. 4 shows a front view for explaining a use state of the portable wireless terminal according to the second embodiment. 4, parts that are the same as those of the portable wireless terminal 101 of FIG. 1, the portable wireless terminal 201 of FIG. 2, and the portable wireless terminal 301 of FIG.
In the second embodiment, a third housing 402 is added to the first embodiment. The third housing 402 is built in the second housing 105 and is fixed to the second housing 105 with a detachable structure. The wireless communication antenna unit 203 is built in the third housing.
As described above, according to the portable wireless device 401 of the present embodiment, in the portable wireless terminal having the third housing, the operation unit 106 is divided into the first operation unit 302 and the second operation unit 303, and the first The interval between the operation unit and the second operation unit is set to satisfy d1 <d2 <d3, and the wireless communication antenna unit 203 is positioned at an intermediate position between the first operation unit 302 and the second operation unit 303 and opposed to the hinge unit 104. Therefore, it is possible to realize high antenna performance without the user's hand 202 coming close to the wireless communication antenna unit 203. The wireless communication antenna unit 203 has not only a monopole antenna having a linear or plate shape, but also a plate-like inverted F antenna and a patch antenna having the same effect.

本発明は、両手で操作を行う携帯無線端末で、使用者の手の影響を低減してアンテナ性能を高める効果を有し、セルラ、ＧＰＳ、近距離無線通信、ワイヤレスＬＡＮ、テレビ等の様々な無線アプリケーションを実行可能な携帯無線端末への適用が可能である。   INDUSTRIAL APPLICABILITY The present invention is a portable wireless terminal that operates with both hands, has the effect of reducing the influence of the user's hand and improving the antenna performance, Application to a portable wireless terminal capable of executing a wireless application is possible.

１０１、２０１、３０１、４０１ 携帯無線端末
１０２ 表示部
１０３ 第１の筐体
１０４ ヒンジ部
１０５ 第２の筐体
１０６ 操作部
２０２ 使用者の手
２０３ 無線通信用アンテナ部
３０２ 第１操作部
３０３ 第２操作部
３０４ 第１操作部と第２操作部の間隔ｄ１
３０５ 第１操作部と第２操作部の間隔ｄ２
３０６ 第１操作部と第２操作部の間隔ｄ３
４０２ 第３の筐体 101, 201, 301, 401 Portable wireless terminal 102 Display unit 103 First housing 104 Hinge unit 105 Second housing 106 Operation unit 202 User's hand 203 Wireless communication antenna unit 302 First operation unit 303 Second Operation unit 304 Interval d1 between the first operation unit and the second operation unit
305 Distance d2 between the first operation unit and the second operation unit
306 Distance d3 between first operation unit and second operation unit
402 third housing

Claims (4)

第１の筐体と、前記第１の筐体内に配置される表示部と、
第２の筐体と、前記第１の筐体と前記第２の筐体を回動可能に接続するヒンジ部と、
前記第２の筐体に配置される操作部と、
前記第２の筐体内に配置される無線部と、
前記無線部と整合回路を介して接続される無線通信用アンテナ部とを備え、
前記操作部は第１操作部、第２操作部に分離され、前記ヒンジ部と最近接する前記第２の筐体の一辺から対抗する辺に対して前記第１操作部と前記第２操作部の間隔が段階的に広くなるように配置され、前記無線通信用アンテナ部は前記第１操作部と前記第２操作部の間に配置されることを特徴とする携帯無線端末 A first housing; and a display unit disposed in the first housing;
A second housing, and a hinge portion that rotatably connects the first housing and the second housing;
An operation unit arranged in the second housing;
A wireless unit disposed in the second housing;
A wireless communication antenna unit connected to the wireless unit via a matching circuit;
The operation unit is separated into a first operation unit and a second operation unit, and the first operation unit and the second operation unit are opposed to a side facing from one side of the second casing closest to the hinge unit. A portable wireless terminal, wherein the wireless communication antenna unit is disposed between the first operation unit and the second operation unit, and the wireless communication antenna unit is disposed between the first operation unit and the second operation unit. 前記第２の筐体内に着脱可能に配置される第３の筐体を備え、前記無線通信用アンテナ部を前記第３の筐体内に設けたことを特徴とした請求項１記載の携帯無線端末 The portable wireless terminal according to claim 1, further comprising a third housing that is detachably disposed in the second housing, wherein the wireless communication antenna unit is provided in the third housing. 前記無線通信用アンテナ部に板状逆Ｆアンテナを配置することを特徴とする請求項１乃至２記載の携帯無線端末 3. A portable wireless terminal according to claim 1, wherein a plate-like inverted F antenna is disposed in the wireless communication antenna unit. 前記無線通信用アンテナ部に平衡系のアンテナを配置することを特徴とする請求項１乃至２記載の携帯無線端末 The portable wireless terminal according to claim 1, wherein a balanced antenna is disposed in the wireless communication antenna unit.
JP2010221129A 2010-09-30 2010-09-30 Mobile radio terminal Pending JP2012080190A (en)

Priority Applications (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08234882A (en) * 1995-02-28 1996-09-13 Fujitsu Ltd Keyboard unit
JPH11186947A (en) * 1997-12-22 1999-07-09 Uniden Corp Portable communication terminal
JP2005033736A (en) * 2003-07-11 2005-02-03 Sony Corp Antenna module and radio card module
WO2008129849A1 (en) * 2007-03-30 2008-10-30 Panasonic Corporation Mimo communication device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08234882A (en) * 1995-02-28 1996-09-13 Fujitsu Ltd Keyboard unit
JPH11186947A (en) * 1997-12-22 1999-07-09 Uniden Corp Portable communication terminal
JP2005033736A (en) * 2003-07-11 2005-02-03 Sony Corp Antenna module and radio card module
WO2008129849A1 (en) * 2007-03-30 2008-10-30 Panasonic Corporation Mimo communication device

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