JP2007027806A - 携帯端末機 - Google Patents

携帯端末機 Download PDF

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Publication number
JP2007027806A
JP2007027806A JP2005202400A JP2005202400A JP2007027806A JP 2007027806 A JP2007027806 A JP 2007027806A JP 2005202400 A JP2005202400 A JP 2005202400A JP 2005202400 A JP2005202400 A JP 2005202400A JP 2007027806 A JP2007027806 A JP 2007027806A
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JP
Japan
Prior art keywords
unit
housing
display
casing
grip
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
JP2005202400A
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English (en)
Inventor
Tokuhiro Iwama
徳浩 岩間
Hiroshi Suso
公士 須曽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2005202400A priority Critical patent/JP2007027806A/ja
Priority to US11/350,026 priority patent/US7643855B2/en
Priority to CNB2006100073614A priority patent/CN100466661C/zh
Publication of JP2007027806A publication Critical patent/JP2007027806A/ja
Pending legal-status Critical Current

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    • G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
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Abstract

【課題】燃料電池を備えた携帯性に優れた携帯端末機を提供する。
【解決手段】表示筐体２００とグリップ筐体３００とが互いに重なった第１の状態と、２つの筐体の一端が連結された第２の状態を取り得るように、２つの筐体を連結部４００で連結し、表示筐体２００は、表示装置２０１と燃料電池２０２と燃料カートリッジ２０８とを備え、グリップ筐体３００は、操作部３０４と燃料電池２０２で発電した電気を充電する充電部３０２を備え、燃料カートリッジ２０８を表示筺体２００の側面に着脱可能に設けるようにする。
【選択図】図１

Description

本発明は燃料電池を備えた携帯電話機等の携帯端末機に関する。
近年、携帯電話機等の携帯端末機は、身近な存在として生活になくてはならない存在となっている。これらの携帯電話機等の携帯端末機は、一般的に充電池を内蔵しており、この充電池に充電を繰り返すことで、携帯電話機等の携帯端末機に電力を供給するようになっている。しかしながら、近年の携帯電話機は機能の多様化が進んでおり、これに伴って消費電力が増加し、従来の充電池のみでは電力の供給が賄い切れなくなってきている。
このような電力不足を補うため、従来の充電池に加えて別の電池が設けられた携帯端末機が知られている。
例えば、この種の携帯端末機の従来例として、充電池と燃料電池の２つの電池を備えた携帯端末機が、下記の特許文献１に開示されている。
特開２００２−４９４４０号公報
上記従来例においては、筺体に取り付けられた燃料カートリッジにより燃料が供給されるようになっているが、燃料カートリッジは筺体から大きく張り出すように取り付けられる構成となっている。
携帯電話機等の携帯端末機においては、携帯性が重視されるため、燃料電池をどのように配置するかが重要である。また、燃料電池は発電時に水分が発生する課題がある。
そこで、この発明の目的とするところは、燃料電池を備えた携帯性に優れた携帯端末機を提供することにある。
前記目的を達成するために、本発明に係る携帯端末機では、筐体を表示筐体とグリップ筐体に分割し、この２つの筐体が互いに重なった第１の状態と、この２つの筐体の一端が連結された第２の状態を取り得るように、この２つの筐体を連結部で連結し、前記表示筐体は、表示装置と燃料電池とこの燃料電池に燃料を供給する燃料カートリッジとを備え、前記グリップ筐体は、操作部と前記燃料電池で発電した電気を充電する充電部を備え、前記燃料カートリッジは、前記表示筺体の側面に着脱可能に設けるようにする。
燃料電池を備えた携帯性に優れた携帯端末機を提供することができる。
本発明に係る携帯端末機を、携帯電話機を例として、図１から図１１を参照して詳細に説明する。図１はこの発明に係る携帯電話機の概略構成を示し、図２から図７には第１の実施例を示し、図８は第２の実施例を示し、図９、図１０が第３の実施例を示し、図１１が第４の実施例を示している。なお、同一の部位や方向などは同一符号を持って示し、重複した説明を省略する。
先ず、図１を参照してこの発明の概略構造を説明する。図１はこの発明に係る携帯電話機の概略構成図である。
本発明に係る携帯電話機の１つの特徴は、その筐体１０を、表示部２０１と燃料電池部２０２を備えた表示筐体（第１の筺体）２００と、前記燃料電池部２０２で発電された電気を充電するための充電池部３０２と操作部３０１とを備えたグリップ筐体（第２の筺体）３００とに分割し、この２つの筐体が互いに重なった第１の状態と、この２つの筐体の一端が連結された第２の状態とを取り得るように、この２つの筐体を連結部４００で連結した構造を備えた点である。
この構造を備えた携帯電話機では、筐体１０を少なくとも２つの筐体に分割し、第１の状態では２つの筐体が互いに重なってコンパクトな形態を取り、第２の状態では、２つの筐体の互いの一端が連結された通話状態を取ることができるので、収納性や携帯性を向上させることができる。そして、電源装置を、燃料電池部２０２と、この燃料電池部２０２で発電された電気を充電する充電池部３０２とに分けて構成し、この２つの電源を２つの筐体に分けて設けているので、第２の状態での重量バランスを向上させている。
また、前記グリップ筐体３００に操作部３０１を設け、表示部２０１を表示筐体２００に配置しているので、グリップ筐体３００を片手で保持した際に、このグリップ筐体３００を保持する片手の親指や他の片手の指で操作部３０１を操作しても、その動作による表示部２０１の視認性を損なうことが軽減される。
そして、何より、この携帯電話機の大きな特徴は、保持されるグリップ筐体３００と離れて配置される表示筐体２００に燃料電池部２０２を備えたので、燃料電池部２０２から発生する水分が保持する片手に触れることを軽減することができる。
また、この発明に係る携帯電話機は、２つの筐体を連結する連結部４００を工夫することにより、例えば、矢印Ａ１に示すような折り畳みや、矢印Ａ２に示すような回転や、矢印Ａ３に示すようなスライドなどの多様な形態（動き）を備えた携帯電話機を実現することができる。以下、図２から図１１を参照して本発明に係る実施例を説明する。
図２から図７を参照して第１の実施例に係る携帯電話機を説明する。図２は、第１の実施例に係る携帯電話機の外観斜視図である。
先ず、図２を参照して、この携帯電話機の概略構造を説明する。図２において、符号１で総括的に示す携帯電話機の筐体１０は、表示部２０１と燃料電池部２０２を備えた表示筐体２００と、操作部３０１と前記燃料電池部２０２で発電された電気を充電するための充電池部３０２を備えたグリップ筐体３００とに分割して構成され、この２つの筐体が互いに重なった第１の状態と、この２つの筐体の一端が連結された第２の状態を取り得るように、この２つの筐体を折りたたみ連結部４１０で連結した構造を備えている。
即ち、この実施例では、第２の筐体であるグリップ筐体３００と第１の筐体である表示筐体２００とを薄形で偏平な形状とし、それぞれの広い面の長手方向の一端を折りたたみ連結部４１０で折りたたみ可能に連結している。図２は、２つの筐体を開いた第２の状態を示し、この第２の状態から表示筐体２００を矢印Ａ１の方向に折りたたむことにより、２つの筐体が重なった第１の状態に変化させることができる。
前記表示筐体２００は、前記第１の状態で隠蔽され、第２の状態では露出する配置面２０３に表示画面部２０４を備えている。一方、前記グリップ筐体３００は、前記第１の状態で隠蔽され、第２の状態では露出する配置面３０３に、文字や数値を入力するためのテンキー部３０５と、カーソル移動キーや機能キーを備えたファンクションキー部３０６とからなる操作部３０４が配置されている。そして、前記２つの配置面２０３、３０３は、前記折りたたみ連結部４１０が配置される一端と対向する他の一端側にスピーカ部２０５とマイク部３０７が分けて配置される。
この構造によれば、第２の状態では、グリップ筐体３００を片手で保持した場合には使用者の耳と口に合った良好な通話姿勢を取ることが可能であり、また、この第２の状態はグリップ筐体３００を片手で保持した場合、前記表示画面部２０４を見ながら入力操作を行うことができる。
なお、図示していないが、グリップ筺体３００の外周部分に、例えば、薄いゴム板等の滑り止め部材を取り付けるようにしてもよい。これにより、グリップ筺体３００の保持性をより良好にすることができる。
一方、第１の状態では、表示画面部２０４や操作部３０４が２つの筐体で隠蔽／保護されるコンパクトな形態を取ることができるので、携帯性が向上する。
そして、この実施例の１つの特徴は、燃料電池部２０２をグリップ筐体３００から離れた表示筐体２００に備えた点である。しかも、この燃料電池部２０２の発電した電気を充電する充電池部３０２をグリップ筐体３００に配置した点である。この構造によれば、第２の状態での重量バランスや前記表示筐体２００に設けた排気穴２０６から排気される水分が直接グリップ筐体３００を保持する片手に触れることを軽減できるので、発電時に水分が発生するという燃料電池の使用上の欠点を軽減することができる。
次に、図３を参照して、この携帯電話機１の装置構成を説明する。図３は携帯電話機の装置ブロック図である。図３において、この携帯電話機１を統括的に制御する制御部５０にはバスを介して各種装置やスイッチ類が接続される。
内部切替スイッチ５１は、グリップ筐体３００の内部に設けられており、表示筐体２００の開閉動作に対応して信号を発信する。メモリ５２は各種プログラムやデータを格納し、制御部５０がプログラムにしたがってこの携帯電話機１を制御する。高周波回路部５３は通信装置となるものであり、主アンテナ５４とサブアンテナ５５が接続される。この実施の形態では、前記したように、電源部を燃料電池部２０２と充電池部３０２とから構成している。また、前記燃料電池部２０２は、ガバナー５６により制御部５０を介して発電量が制御される。カメラ部５７はカメラ回路部５８を介してバスに接続される。
駆動回路部５９には、着信時に振動を発生させる振動部６０と、メールや通話の着信あるいはアラームなどを光で知らせる状態ランプ部６１が接続されており、制御部５０からの制御に基づいて、これらの動作量と動作パターンが制御される。また、音声回路部６２は、スピーカ部２０５と、音響スピーカ部６７と、マイク部３０７とが接続されている。
更に、この実施の形態では、操作部３０４と任意設定キー部６３とモード切替スイッチ６４などが設けられており、これらの操作スイッチ類により、利用者がこの携帯電話機１を操作することができる。加えて、この実施の形態では、外部接続部６５が設けてあり、コードを介して外部のパーソナルコンピュータなどと接続して、通信やデータ交換を行なうことができる。
次に、図４を参照して、２つの筐体の内蔵される装置の配置構造を説明する。図４は携帯電話機の内部レイアウト図であり、（ａ）図が配置面と対向する後方から見た表示筐体の内部レイアウト図、（ｂ）図が配置面側からみたグリップ筐体の内部レイアウト図を示している。
図４の（ａ）図において、前記表示筐体２００の表示画面部２０４を構成する薄形の表示部２０１の後方には薄形偏平な燃料電池部２０２の発電部２０７が配置され、前記折りたたみ連結部４１０の一端側に前記発電部２０７に燃料を供給するためのボンベ２０８と、このボンベ２０８から発電部２０７に供給される燃料を供給するためのガバナー５６とカメラ部５７が配置され、他の一端にはスピーカ部２０５とサブ表示部６６が対向して配置される。
また、前記ボンベ２０８は、その軸方向に長い円柱形状を備えており、前記ガバナー５６はこのボンベ２０８の長手方向の一端側に配置される。そして、前記ボンベ２０８は、前記ガバナー５６に対して着脱可能に取り付けられる。これにより、ボンベ２０８を交換することにより、充電池部３０２のみ有するものに比べ、充電台に設置することなくいつでも充電が可能である。
一方、図４の（ｂ）図において、グリップ筐体３００は、その内部に操作基板６８と制御基板６９と充電池部３０２が前後に積層され、折りたたみ連結部４１０側に音響スピーカ部６７が配置され、他の片側にマイク部３０７が配置される。
なお、２つの筐体の間の信号配線や電源配線は前記折りたたみ連結部４１０を介して配線される。
次に、図５、図６を参照して携帯電話機１の外観構造を説明する。図５は携帯電話機の第2の状態の外観図であり、（ａ）図が背面図、（ｂ）図が左側面図、（ｃ）図が正面図、（ｄ）図が上面図、（ｅ）図が底面図である。図６は携帯電話機の第1の状態の外観図であり、（ａ）図が上面図、（ｂ）図が正面図、（ｃ）図が右側面図を示している。なお、これら図５、図６の各図は図５の（ｃ）図を正面として表記している。
図５、図６において、この実施の形態では、表示筐体２００の両側面及び前記配置面２０３と対向する筐体面２０９に排気穴２０６を設けている。これにより、燃料電池部２０２から発生する水分を排気することができる。また、筐体面２０９に設けた排気穴２０６は上方に片寄って配置され、第２の状態で水分が保持する手に触れないように配慮している。この排気穴２０６の中央にはサブ表示部６６が配置され、筐体面２０９の下方には、カメラ部５７とフラッシュ７０及び状態ランプ部６１が設けられている。
また、この実施の形態では、表示筐体２００に側方から装着可能なボンベ２０８を設けている。このボンベ２０８は筐体面２０９の一部を僅かに隆起させて形成される図示しない収納部に装着される。
一方、グリップ筐体３００の配置面３０３と対向する筐体面３０８には折りたたみ連結部４１０側に音響スピーカ部６７の放音部６７ａが設けられ、他方には着脱可能な充電池部３０２が設けられている。この充電池部３０２は充電端子７１を備え、充電台からの充電も可能である。
次に、図７を参照して、携帯電話機１の使用状態を説明する。図７は使用状態の参考図である。前記したように、この実施の形態の携帯電話機１は、第２の状態の姿勢を取ると前記グリップ筐体３００を片手で保持することができる。この保持姿勢によれば、グリップ筐体３００は片手の中にスッポリ納まり、表示筐体２００は片手で保持されるグリップ筐体３００の上方に張り出して配置される。このため、保持する片手の指で前記操作部３０１を操作しても、あるいは他の手の指で前記操作部３０１を操作しても、上方に張り出した表示筐体２００の表示画面部２０４の視認性を損なうことが軽減される。しかも、表示筐体２００に設けた排気穴２０６から排出される水分は、矢印Ａ４で示す上方に排出されるので、保持する片手に水分が接触することを軽減することができる。
また、前記ボンベ２０８は、上方に張り出した表示筐体２００の側面から着脱できるので、取扱いが容易である。
次に、図８を参照して、この発明に係る第２実施例を説明する。図８は折りたたみ連結部の他の応用例を示す説明図である。
図８において、この前記第１の実施例では、表示筐体２００にボンベ２０８を設ける構造としたが、この第２の実施例では折りたたみ連結部４１０にボンベを配置する構造としている。この場合、折りたたみ連結部４１０の回転中心軸Ｐと、前記ボンベ２０８の中心軸を一致させることにより、ボンベ２０８をコンパクトに筐体１０内に収めることができる。
（ａ）図に示す折りたたみ連結部４１０は、グリップ筐体３００の一端の中央に幅広く形成される第１連結部４１１と、前記表示筐体２００の一端の両側に形成される一対の第２連結部４１２とで構成され、この一対の第２連結部４１２が前記第１連結部４１１の両側に支持される構造としている。この実施例では、前記第１連結部４１１にボンベ２０８を配置する。また、ガバナー５６は第１連結部４１１または、第２連結部４１２の何れか一方に配置する。この場合、ガバナー５６が表示筐体２００に配置されない場合は、折りたたみ連結部４１０の回転軸Ｐを通過するように前記ガバナー５６と発電部２０７とを連結するパイプを配置する。
（ｂ）図に示す折りたたみ連結部４１０は、（ａ）図の実施例を逆転させた構造である。即ち、この折りたたみ連結部４１０は、表示筐体２００の一端の中央に幅広く形成される第１連結部４１３と、前記グリップ筐体３００の一端の両側に形成される一対の第２連結部４１４とで構成され、この一対の第２連結部４１４が前記第１連結部４１３の両側に支持される構造としている。この実施例では、前記第１連結部４１３にボンベ２０８を配置する。また、ガバナー５６は第１連結部４１３または、第２連結部４１４の何れか一方に配置する。この場合、ガバナー５６がグリップ筐体３００に配置されない場合は、折りたたみ連結部４１０の回転軸Ｐを通過するように前記ガバナー５６と発電部２０７とを連結するパイプを配置する。
（ｃ）図に示す折りたたみ連結部４１０は、グリップ筐体３００の両側に形成される一対の第１連結部４１５と、前記表示筐体２００の一端の両側に形成される一対の第２連結部４１６とで構成され、この一対の第２連結部４１６が前記第１連結部４１５の両側に支持される構造としている。この実施例では、１対の連結部４１５、４１６の間に、ボンベ２０８の収納空間４１７を構成する。この場合、ガバナー５６を両側の何れか一方の連結部に配置する。
（ｄ）図に示す折りたたみ連結部４１０は、グリップ筐体３００と表示筐体２００の一端の片側に片寄って形成され第１連結部４１８と第２連結部４１９とからなり、他の開放された空間をボンベ収納空間４１７とする。
この発明では、前記４つの実施例に限定さえるものではなく、２つの筐体を回転可能に連結する他の連結部でも応用可能である。
また、上記の実施例ではボンベ２０８を回転軸Ｐ方向から装着することが有効である。この場合、ボンベ２０８の長手方向の両端に連結部がある場合は、挿入側の連結部にボンベ挿入用の開口部を形成し、他の連結部にこの連結部の回転角度や動きを規制するバネなどを配置するようにする。
また、ボンベ２０８の両側に連結部があるものにつては配置面側から挿入するようにしてもよい。この構造によれば、ボンベ２０８を固定するための固定手段を簡素化できる。
次に、図９と図１０を参照して、本発明に係る第３実施例を説明する。図９は第１の状態の外観図であり、（ａ）が正面図、（ｂ）図が右側面図、（ｃ）図が背面図、（ｄ）図が平面図、（ｅ）図が底面図である。図１０は第２の状態の外観図であり、（ａ）図が左側面図、（ｂ）図が正面図、（ｃ）図が背面図である。
図９および図１０において、この第３実施例は、グリップ筐体３００と表示筐体２００をスライド連結部４２０で摺動可能に連結したものである。つまり、この実施の形態では、グリップ筐体３００の配置面３０３と表示筐体２００の配置面２０２に、互いに嵌合して上下方向（図面上）に摺動可能に連結されるスライド連結部４２０が設けられる。
前記配置面３０３にはテンキー部３０５とマイク部３０７が設けられ、筐体配置面３０８には着脱可能な充電池部３０２が設けられる。一方、前記表示筐体２００の筐体面２０９には、表示画面部２０４とスピーカ部２０５とファンクションキー部３０６とが設けられる。
このスライド連結部４２０を採用した携帯電話機では、前記表示筐体２００の筐体面２０９がどの状態でも常に露出しているので、表示画面部２０４とスピーカ部２０５とファンクションキー部３０６が常に露出して設けられる。一方、グリップ筐体３００の配置面３０３は第２の状態でのみ露出するので、必要な時にのみテンキー部３０５とマイク部３０７を露出させることができる。
また、このスライド連結部４２０を採用した携帯電話機でも前記実施例と同様な内部レイアウトを取ることができる。ただ、このスライド連結部４２０の場合、このスライド連結部４２０側はファンクションキー部３０６が配置されるため、前記ボンベ２０８はスピーカ部２０５側に設けるとよい。
次に、図１１を参照して、本発明に係る第４の実施例を説明する。図１１は概略構造を示す概念図である。図１１において、この第４の実施例は、グリップ筐体３００の一端と表示筐体２００の一端を互いに重ねて配置し、この重なった配置面３０３に、この配置面３０３と直交する回転軸Ｐを備えた回転連結部４３０で回転可能に連結したものである。
前記配置面３０３にはテンキー部３０５とマイク部３０７が設けられ、筐体配置面３０８には着脱可能な充電池部３０２が設けられる。一方、前記表示筐体２００の筐体面２０９には、表示画面部２０４とスピーカ部２０５とファンクションキー部３０６とが設けられる。
この回転連結部４３０を採用した携帯電話機では、前記表示筐体２００の筐体面２０９がどの状態でも常に露出しているので、表示画面部２０４とスピーカ部２０５とファンクションキー部３０６が常に露出して設けられる。一方、グリップ筐体３００の配置面３０３は第２の状態でのみ露出するので、必要な時にのみテンキー部３０５とマイク部３０７を露出させることができる。
なお、この第４の実施例も、前記３の実施例と同様なボンベ２０８やガバナー５６はスピーカ部２０５側に配置するとよい。
この発明に係る携帯電話機の概略構成図である。 第１の実施例に係る携帯電話機の外観斜視図である。 第１の実施例に係る携帯電話機の装置ブロック図である。 第１の実施例に係る携帯電話機の内部レイアウト図である。 第１の実施例に係る携帯電話機の第2の状態の外観図である。 第１の実施例に係る携帯電話機の第１の状態の外観図である。 第１の実施例に係る携帯電話機の使用状態図である。 第２の実施例に係る携帯電話機の折りたたみ連結部の他の応用例を示す説明図である。 第３の実施例に係る携帯電話機の第１の状態の外観図である。 第３の実施例に係る携帯電話機の第２の状態の外観図である。 第４の実施例に係る携帯電話機の概念図である。
符号の説明
１０…筐体、５６…ガバナー、２００…表示筐体、２０１…表示部、２０２…燃料電池部、２０３…配置面、２０４…表示画面部、２０５…スピーカ部、２０６…排気穴、２０７…発電部、２０８…ボンベ、２０９…筐体面、３００…グリップ筐体、３０１…操作部、３０２…充電池部、３０３…配置面、３０４…操作部、３０５…テンキー部、３０６…ファンクションキー部、３０７…マイク部、３０８…筐体面、４００…連結部、４１０…折りたたみ連結部、４１１…第１連結部、４１２…第２連結部、４２０…スライド連結部、４３０…回転連結部。

Claims (4)

  1. 筐体を表示筐体とグリップ筐体に分割し、この２つの筐体が互いに重なった第１の状態と、この２つの筐体の一端が連結された第２の状態を取り得るように、この２つの筐体を連結部で連結し、
    前記表示筐体は、表示装置と燃料電池とこの燃料電池に燃料を供給する燃料カートリッジとを備え、
    前記グリップ筐体は、操作部と前記燃料電池で発電した電気を充電する充電部を備え、
    前記燃料カートリッジは、前記表示筺体の側面に着脱可能に設けられたたことを特徴とする携帯端末機。
  2. 請求項１において、
    前記連結部は、前記表示筐体と前記グリップ筐体を折りたたみ可能に連結することを特徴とする携帯端末機。
  3. 請求項１において、
    前記連結部は、前記表示筐体と前記グリップ筐体を回転可能に連結することを特徴とする携帯端末機。
  4. 請求項１において、
    前記連結部は、前記表示筐体と前記グリップ筐体をスライド可能に連結することを特徴とする携帯端末機。
JP2005202400A 2005-07-12 2005-07-12 携帯端末機 Pending JP2007027806A (ja)

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US11/350,026 US7643855B2 (en) 2005-07-12 2006-02-09 Portable terminal device
CNB2006100073614A CN100466661C (zh) 2005-07-12 2006-02-09 携带终端机

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