JP2005078322A - Portable terminal device - Google Patents

Portable terminal device Download PDF

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JP2005078322A
JP2005078322A JP2003307302A JP2003307302A JP2005078322A JP 2005078322 A JP2005078322 A JP 2005078322A JP 2003307302 A JP2003307302 A JP 2003307302A JP 2003307302 A JP2003307302 A JP 2003307302A JP 2005078322 A JP2005078322 A JP 2005078322A
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casing
casings
housing
terminal device
circuit board
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JP4310151B2 (en
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Masaharu Yoda
雅治 与田
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Kyocera Corp
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Kyocera Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent breakage of a bearing part or a casing, in a portable terminal device wherein two casings are connected mutually turnably with an axial line extending to an overlapping direction as the center and wherein a relative turn range of the two casings are restricted. <P>SOLUTION: This portable terminal device has: the two casings 2, 3 disposed such that the two casings 2, 3 can overlap each other; and a connection means 5 connecting the two casings 2, 3 mutually turnably with the axial line L1 extending to the overlapping direction as the center. The connection means 5 has a rotary shaft 41 with the axial line as the center line, provided on one casing 3 side of the two casings 2, 3; and the bearing part 43 rotatably journaling the rotary shaft 41, provided on the other casing 2 side of the two casings 2, 3. The other casing 2 incorporates a circuit board 23, and the circuit board 23 has a cutout part 23c or a through hole through which the rotary shaft 41 is inserted. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、２つの筐体を相互に回動可能に連結してなる携帯電話機、ＰＤＡ（Ｐｅｒｓｏｎａｌ Ｄｉｇｉｔａｌ Ａｓｓｉｓｔａｎｔｓ）等の携帯端末装置に関する。   The present invention relates to a mobile terminal device such as a mobile phone, PDA (Personal Digital Assistants), etc., in which two casings are rotatably connected to each other.

従来、２つの筐体を備えた携帯端末装置としては、互いに重ね合わせ可能に配置される２つの筐体と、これら両筐体の重ね合わせ方向に沿う軸線を中心として相互に回動可能に連結する連結部とを備えたものがある（例えば、特許文献１参照。）。このような構成の携帯端末装置においては、連結部を構成する回転軸に２つの筐体の内部空間を相互に連通させる貫通孔が形成されている。この貫通孔には、２つの筐体内部に配された回路基板を相互に電気的に接続するケーブルが配されている。このケーブルは、両筐体に配された回路基板の間でやりとりされる電気信号を伝達したり、一方の筐体に設けられたバッテリーから他方の筐体側に電力を供給するものである。
このような携帯端末装置では、２つの筐体を相互に回動させる際にケーブルが回動方向に捻れるため、この捩れに基づくケーブルの断線防止を目的として、２つの筐体の相対的な回動範囲を規制している。また、回転軸は、一方の筐体に設けられた軸受部により他方の筐体に対して回転可能に支持されている。
特開平７−２８８８６０号公報 Conventionally, as a portable terminal device having two casings, two casings arranged so as to be superposed on each other are connected to each other so as to be rotatable around an axis along the superimposing direction of the two casings. There is a thing provided with the connecting part to perform (for example, refer to patent documents 1). In the mobile terminal device having such a configuration, a through-hole that allows the internal spaces of the two casings to communicate with each other is formed on the rotating shaft that forms the connecting portion. In the through hole, a cable for electrically connecting the circuit boards disposed in the two casings to each other is disposed. This cable transmits an electrical signal exchanged between circuit boards arranged in both housings, or supplies power from a battery provided in one housing to the other housing side.
In such a portable terminal device, when the two casings are rotated relative to each other, the cable is twisted in the rotating direction. Therefore, for the purpose of preventing disconnection of the cable based on the twist, the relative relationship between the two casings is determined. The rotation range is restricted. Moreover, the rotating shaft is rotatably supported with respect to the other casing by a bearing portion provided in the one casing.
JP-A-7-288860

しかしながら、従来の携帯端末装置において、使用者が所定の回動範囲を超えて２つの筐体を相互に回動させる外力を加えた際には、回転軸の中心線を軸線に対して傾けようとする力が作用して軸受部や軸受部を固定する筐体取付部に応力が集中するため、特に強度がそれ程大きくない筐体取付部が破損する虞があった。
なお、上記の問題点を解決する方法としては、軸受部を設ける筐体の肉厚を厚く形成することが考えられるが、近年では、携帯端末装置の携行性を向上させることを目的として携帯端末装置の小型化や薄型化が要求されているため、この解決方法は好ましくない。 However, in the conventional portable terminal device, when the user applies an external force that causes the two casings to rotate relative to each other beyond a predetermined rotation range, the center line of the rotation shaft is inclined with respect to the axis. As a result, the stress concentrates on the bearing portion and the housing mounting portion that fixes the bearing portion, so that the housing mounting portion that is not particularly strong may be damaged.
As a method for solving the above problems, it is conceivable to increase the thickness of the casing in which the bearing portion is provided. However, in recent years, the portable terminal is intended to improve the portability of the portable terminal device. This solution is not preferred because there is a demand for smaller and thinner devices.

本発明の目的は、上述した事情に鑑みてなされたもので、所定の回転範囲を超えて２つの筐体を相互に回動させる外力が軸受部や筐体に作用しても、筐体が破損することを防止できる携帯端末装置を提供することにある。   The object of the present invention has been made in view of the above-described circumstances, and even if an external force that causes the two casings to rotate relative to each other beyond a predetermined rotation range acts on the bearing portion or the casing, the casing does not move. An object of the present invention is to provide a portable terminal device that can prevent breakage.

上記課題を解決するために、この発明は以下の手段を提案している。
本発明に係る携帯端末装置は、互いに重ね合わせ可能に配置される２つの筐体と、重ね合わせ方向に延びる軸線を中心として前記２つの筐体を相互に回動可能に連結する連結手段とを備え、該連結手段は、前記２つの筐体のうち一方の筐体側に設けられ、前記軸線を中心線する回転軸と、前記２つの筐体のうち他方の筐体側に設けられ、前記回転軸を回転可能に軸支する軸受部とを有し、前記他方の筐体内には回路基板を備えると共に、当該回路基板に前記回転軸が挿通される切欠部又は貫通孔を有することを特徴とする。 In order to solve the above problems, the present invention proposes the following means.
A mobile terminal device according to the present invention includes two housings arranged to be superposed on each other, and a connecting means for rotatably connecting the two housings around an axis extending in the superposition direction. The connecting means is provided on one housing side of the two housings, and is provided on a rotating shaft centering on the axis, and on the other housing side of the two housings, and the rotating shaft And a circuit board in the other housing, and a notch or a through-hole through which the rotary shaft is inserted into the circuit board. .

また、本発明に係る携帯端末装置は、前記一方の筐体内に回路基板を備えると共に、前記２つの筐体の相対的な位置を検出する位置検出手段を備え、該位置検出手段は、前記軸線の周囲近傍に位置して前記一方の筐体に固定される磁石と、前記軸線を中心とする前記磁石の移動軌跡の所定位置に対向するように前記回路基板上に設けられ、前記磁石の磁気を検出する磁気センサとを有することを特徴とする。
さらに、本発明に係る携帯端末装置は、前記磁気センサを、前記軸線を挟んで対称な位置に一対設けたことを特徴とする。 In addition, the mobile terminal device according to the present invention includes a circuit board in the one casing, and further includes a position detection unit that detects a relative position of the two casings, and the position detection unit includes the axis line. A magnet positioned near the periphery of the magnet and fixed to the one housing, and provided on the circuit board so as to oppose a predetermined position of a movement trajectory of the magnet centered on the axis. And a magnetic sensor for detecting.
Furthermore, the mobile terminal device according to the present invention is characterized in that a pair of the magnetic sensors are provided at symmetrical positions across the axis.

本発明によれば、回転軸の中心線を軸線に対して揺動させる外力が回転軸に作用した場合には、回転軸が、回路基板に形成された切欠部や貫通孔の内周壁面に当接するため、他方の筐体に対して軸線方向の２点（筐体に設けられた軸受部と回路基板）で支持されることになる。したがって、前記外力によって筐体の軸受部のみに応力が集中することを防止して、筐体の破損を防ぐことができる。   According to the present invention, when an external force that swings the center line of the rotating shaft with respect to the axis acts on the rotating shaft, the rotating shaft is applied to the notched portion formed in the circuit board and the inner peripheral wall surface of the through hole. Since it abuts, it is supported at two points in the axial direction (the bearing portion and the circuit board provided on the casing) with respect to the other casing. Therefore, it is possible to prevent stress from concentrating only on the bearing portion of the casing due to the external force, thereby preventing the casing from being damaged.

図１から図５は本発明に係る一実施形態を示しており、ここで説明する実施の形態は、この発明を携帯電話機に適用した場合のものである。
この実施の形態に係る携帯電話機（携帯端末装置）１は、図１に示すように、第１の筐体２と、この第１の筐体２の厚さ方向に重ね合わせ可能な第２の筐体３と、これら２つの筐体２，３を、その重ね合わせ方向に延びる基準軸線Ｌ１を中心として回動可能に連結する連結手段５とを備えている。なお、連結手段５は、２つの筐体２，３の各端部２ｂ，３ｂ（以下、基端部２ｂ，３ｂと呼ぶ。）同士を連結するようになっている。 1 to 5 show one embodiment according to the present invention, and the embodiment described here is a case where the present invention is applied to a mobile phone.
As shown in FIG. 1, a mobile phone (mobile terminal device) 1 according to this embodiment includes a first casing 2 and a second casing that can be overlapped in the thickness direction of the first casing 2. The housing 3 is provided with connecting means 5 for connecting the two housings 2 and 3 so as to be rotatable about a reference axis L1 extending in the overlapping direction. In addition, the connection means 5 connects each edge part 2b, 3b (henceforth base end part 2b, 3b) of the two housing | casing 2,3.

重ね合わせ時に第２の筐体３と対向する第１の筐体２の内面２ａには、通話キー、終話キー、テンキー等の各種押圧可能な操作キーからなる操作部７が設けられている。また、内面２ａのうち、基端部２ｂの反対側に位置する第１の筐体２の先端部２ｃには、マイクロフォン部９が設けられている。これら操作部７及びマイクロフォン部９は、第１、第２の筐体２，３を互いに重ね合わせて閉じた状態において、第２の筐体３により覆い隠されるようになっている。   On the inner surface 2a of the first casing 2 that faces the second casing 3 when superimposed, an operation unit 7 is provided that includes various pressable operation keys such as a call key, an end key, and a numeric keypad. . In addition, a microphone portion 9 is provided at the distal end portion 2c of the first housing 2 located on the opposite side of the base end portion 2b in the inner surface 2a. The operation unit 7 and the microphone unit 9 are covered with the second casing 3 in a state where the first and second casings 2 and 3 are overlapped and closed.

第１の筐体２の内面２ａと略同方向に向く第２の筐体３の外面３ａには、各種情報を表示する液晶表示装置等の表示部１１が設けられている。また、この外面３ａのうち、第２の筐体３の基端部３ｂには、スピーカー部１３が設けられており、基端部３ｂの反対側に位置する第２の筐体３の先端部３ｃには、電気音響変換部１５が設けられている。
電気音響変換部１５は、２つの筐体２，３を相互に開いた状態（図１の状態）において第１の筐体２のマイクロフォン部９と共に通話に使用する受話スピーカーとして機能する。また、この電気音響変換部１５は、２つの筐体２，３を開いた状態から基準軸線Ｌ１を中心に相互に１８０°回動して、図２に示すように、重ね合わせて閉じた状態おいて、スピーカー部１３と共に通話に使用するマイクロフォンとして機能する。これら表示部１１、スピーカー部１３及び電気音響変換部１５は、２つの筐体２，３の開閉状態にかかわらず、外方に露出している。
なお、この第２の筐体３は、２つの筐体２，３を相互に開いた状態において、第１の筐体２に対して基準軸線Ｌ１を中心とする時計回り（Ａ方向）のみに回動可能となっている。また、２つの筐体２，３を相互に閉じた状態において、第２の筐体３は第１の筐体２に対して基準軸線Ｌ１を中心とする反時計回り（Ｂ方向）のみに回動可能となっている。すなわち、第１の筐体２に対する第２の筐体３の回動可能な範囲は１８０°となっている。
また、符号８は、第１の筐体側面に設けられたジョグダイヤル等の補助操作部を示しており、２つの筐体２，３を相互に閉じた状態で着信を受けた場合、補助操作部８を筐体２内に押圧することで着信を受けることができる。また、上記閉じた状態で携帯電話機１が有するアプリケーションを起動させる場合、補助操作部８を筐体２内に押圧することで表示部１１のメニュー画面が表示され、その後、補助操作部８を回転させて所定のアプリケーションを選択したあと、再度、補助操作部８を押圧することにより、前記所定のアプリケーションを起動させ、表示部１１に表示させることができるようになっている。 A display unit 11 such as a liquid crystal display device for displaying various kinds of information is provided on the outer surface 3a of the second housing 3 facing substantially the same direction as the inner surface 2a of the first housing 2. Moreover, the speaker part 13 is provided in the base end part 3b of the 2nd housing | casing 3 among this outer surface 3a, and the front-end | tip part of the 2nd housing | casing 3 located in the other side of the base end part 3b. The electroacoustic conversion unit 15 is provided in 3c.
The electroacoustic conversion unit 15 functions as a receiving speaker used for a call together with the microphone unit 9 of the first housing 2 in a state where the two housings 2 and 3 are opened to each other (state of FIG. 1). Further, the electroacoustic transducer 15 is rotated 180 ° around the reference axis L1 from the state in which the two casings 2 and 3 are opened, and is overlapped and closed as shown in FIG. In this case, the speaker unit 13 functions as a microphone used for a call. The display unit 11, the speaker unit 13, and the electroacoustic conversion unit 15 are exposed to the outside regardless of whether the two casings 2 and 3 are opened or closed.
The second casing 3 is only clockwise (A direction) around the reference axis L1 with respect to the first casing 2 in a state where the two casings 2 and 3 are opened to each other. It can be turned. In the state where the two casings 2 and 3 are closed, the second casing 3 rotates only counterclockwise (B direction) with respect to the first casing 2 around the reference axis L1. It is possible to move. That is, the rotatable range of the second casing 3 relative to the first casing 2 is 180 °.
Reference numeral 8 denotes an auxiliary operation unit such as a jog dial provided on the side surface of the first case. When an incoming call is received with the two cases 2 and 3 closed, the auxiliary operation unit An incoming call can be received by pressing 8 into the housing 2. Further, when the application of the mobile phone 1 is activated in the closed state, the menu screen of the display unit 11 is displayed by pressing the auxiliary operation unit 8 into the housing 2, and then the auxiliary operation unit 8 is rotated. Then, after selecting a predetermined application, the auxiliary operation unit 8 is pressed again to activate the predetermined application and display it on the display unit 11.

図３，４に示すように、第１の筐体２の内部には、操作キー基板２１及び第１の回路基板２３が、第１の筐体２の内面２ａ側から基準軸線Ｌ１に沿って順次重ねて固定されている。操作キー基板２１は、その前面に前述した操作部７を構成する各種キーを配してなるものであり、前述したマイクロフォン部９と共に第１の回路基板２３に電気的に接続されている。
第１の筐体２の基端部２ｂ側に位置する第１の回路基板２３の端部には、基準軸線Ｌ１を略中心する円弧を含むＵ字状に切り欠かれた切欠部２３ｃが形成されている。また、操作キー基板２１を配した第１の回路基板２３の前面２３ａには、磁気抵抗素子、ホールＩＣ素子等からなる３つの磁気センサ２４ａ〜２４ｃが搭載されている。これら磁気センサ２４ａ〜２４ｃは、基準軸線Ｌ１を中心とする同一円周上、かつ、切欠部２３ｃの周囲近傍に配されている。 As shown in FIGS. 3 and 4, the operation key board 21 and the first circuit board 23 are arranged inside the first housing 2 along the reference axis L <b> 1 from the inner surface 2 a side of the first housing 2. They are fixed one after another. The operation key substrate 21 is provided with various keys constituting the operation unit 7 described above on the front surface thereof, and is electrically connected to the first circuit substrate 23 together with the microphone unit 9 described above.
At the end of the first circuit board 23 positioned on the base end 2b side of the first housing 2, a notch 23c cut out in a U shape including an arc substantially centered on the reference axis L1 is formed. Has been. In addition, on the front surface 23a of the first circuit board 23 on which the operation key board 21 is arranged, three magnetic sensors 24a to 24c made of a magnetoresistive element, a Hall IC element and the like are mounted. These magnetic sensors 24a to 24c are arranged on the same circumference around the reference axis L1 and in the vicinity of the periphery of the notch 23c.

第１及び第３の磁気センサ２４ａ，２４ｃは、基準軸線Ｌ１を挟んで対称な位置に配され、その配列方向は第１の筐体２の基端部２ｂから先端部２ｃに向かう長手方向に直交している。また、第２の磁気センサ２４ｂは、２つの磁気センサ２４ａ，２４ｃの配列方向に直交するように、基準軸線Ｌ１から第１の筐体２の先端部２ｃ側に位置している。
なお、この第１の回路基板２３には、通話機能やメール機能等の各種機能を制御する複数の電子部品からなる制御部２９も設けられている。
また、第１の筐体２の内部にはバッテリー（不図示）が設けられており、このバッテリーは、操作部７、表示部１１等の携帯電話機１に搭載された各種電気部品・電子部品に電力を供給するものである。 The first and third magnetic sensors 24a and 24c are arranged at symmetrical positions with respect to the reference axis L1, and the arrangement direction thereof is a longitudinal direction from the base end 2b of the first housing 2 toward the tip 2c. Orthogonal. The second magnetic sensor 24b is located on the side of the distal end portion 2c of the first housing 2 from the reference axis L1 so as to be orthogonal to the arrangement direction of the two magnetic sensors 24a and 24c.
The first circuit board 23 is also provided with a control unit 29 composed of a plurality of electronic components for controlling various functions such as a call function and a mail function.
In addition, a battery (not shown) is provided inside the first housing 2, and this battery is used for various electric / electronic components mounted on the mobile phone 1 such as the operation unit 7 and the display unit 11. It supplies power.

第２の筐体３の内部には、前述した表示部１１、スピーカー部１３及び電気音響変換部１５と電気的に接続された第２の回路基板３１が設けられており、前述した表示部１１、スピーカー部１３及び電気音響変換部１５は、この第２の回路基板３１に電気的に接続されている。
また、第１の筐体２の内面２ａに対向する第２の筐体３の内面３ｄには、基準軸線Ｌ１方向に窪む凹部３３が形成されており、この凹部３３には磁石３５が嵌め込まれて固定されている。磁石３５は、その磁力線Φを基準軸線Ｌ１に沿って第１の筐体２側に向けるように配され、２つの筐体２，３を相互に回動させた際に、図２に示すように、３つの磁気センサ２４ａ〜２４ｃを通過する移動軌跡Ｃ，Ｄに沿って移動するようになっている。 A second circuit board 31 that is electrically connected to the display unit 11, the speaker unit 13, and the electroacoustic conversion unit 15 is provided inside the second housing 3, and the display unit 11 described above. The speaker unit 13 and the electroacoustic conversion unit 15 are electrically connected to the second circuit board 31.
Further, a recess 33 that is recessed in the direction of the reference axis L1 is formed on the inner surface 3d of the second casing 3 that faces the inner surface 2a of the first casing 2, and a magnet 35 is fitted into the recess 33. Is fixed. The magnet 35 is arranged so that the magnetic force line Φ is directed toward the first housing 2 along the reference axis L1, and when the two housings 2 and 3 are rotated relative to each other, as shown in FIG. Furthermore, it moves along the movement trajectories C and D passing through the three magnetic sensors 24a to 24c.

すなわち、磁石３５と第３の磁気センサ２４ｃとが基準軸線Ｌ１方向に重なった場合には、第３の磁気センサ２４ｃが磁石３５の磁気を検出して、２つの筐体２，３が、図２に示すように、相互に閉じた状態にあることを検出する。また、磁石３５と第２の磁気センサ２４ｂとが基準軸線Ｌ１方向に重なった場合には、第２の磁気センサ２４ｂが磁石３５の磁気を検出して２つの筐体２，３の長手方向が相互に９０°の角度をなしている（図５に示す状態）ことを検出する。さらに、磁石３５と第１の磁気センサ２４ａとが基準軸線Ｌ１方向に重なった場合には、第１磁気センサ２４ａが磁石３５の磁気を検出して２つの筐体２，３が相互に開いた状態にあることを検出する。
これら３つの磁気センサ２４ａ〜２４ｃ及び磁石３５により、２つの筐体２，３の相対的な位置を検出する位置検出手段１００が構成されている。 That is, when the magnet 35 and the third magnetic sensor 24c overlap in the direction of the reference axis L1, the third magnetic sensor 24c detects the magnetism of the magnet 35, and the two cases 2 and 3 are As shown in FIG. 2, it is detected that they are in a closed state. When the magnet 35 and the second magnetic sensor 24b overlap in the direction of the reference axis L1, the second magnetic sensor 24b detects the magnetism of the magnet 35 and the longitudinal direction of the two casings 2 and 3 is It is detected that they are at an angle of 90 ° to each other (the state shown in FIG. 5). Further, when the magnet 35 and the first magnetic sensor 24a overlap in the direction of the reference axis L1, the first magnetic sensor 24a detects the magnetism of the magnet 35 and the two casings 2 and 3 are opened to each other. Detect that it is in a state.
The three magnetic sensors 24a to 24c and the magnet 35 constitute a position detection means 100 that detects the relative positions of the two casings 2 and 3.

この位置検出手段１００は、２つの筐体２，３を相互に回動させた際に、２つの筐体２，３の相対位置に応じて携帯電話機１の各種機能を起動させるように構成されている。すなわち、例えば、２つの筐体２，３を相互に閉じた状態から第１の筐体２に対して第２の筐体３をＢ方向に回動させ、図５に示すように、２つの筐体２，３の位置関係を９０°の角度とした場合には、位置検出手段１００の検出結果に基づき、表示部１１における情報Ｉの表示方向を、第２の筐体３の基端部３ｂと先端部３ｃとを結ぶ第２の筐体３の長手方向から、この長手方向に直交する方向に変更させる。
また、この状態から第２の筐体３をさらにＢ方向に回動させて、図１に示すように、２つの筐体２，３を相互に開いた場合には、位置検出手段１００の検出結果に基づき、表示部１１における情報Ｉの表示方向を、２つの筐体２，３を閉じた状態における表示方向に対して１８０°逆向きに変更させる。 The position detecting means 100 is configured to activate various functions of the mobile phone 1 according to the relative positions of the two casings 2 and 3 when the two casings 2 and 3 are rotated relative to each other. ing. That is, for example, the second housing 3 is rotated in the B direction with respect to the first housing 2 from the state where the two housings 2 and 3 are closed to each other, and as shown in FIG. When the positional relationship between the housings 2 and 3 is an angle of 90 °, the display direction of the information I on the display unit 11 is changed to the base end of the second housing 3 based on the detection result of the position detection unit 100. The longitudinal direction of the second casing 3 connecting the 3b and the tip 3c is changed to a direction orthogonal to the longitudinal direction.
Further, when the second casing 3 is further rotated in the B direction from this state and the two casings 2 and 3 are opened to each other as shown in FIG. Based on the result, the display direction of the information I on the display unit 11 is changed to 180 ° opposite to the display direction when the two casings 2 and 3 are closed.

連結手段５は、図３に示すように、略円筒状の回転軸４１と、回転軸４１を回転自在に軸支する軸受部４３とを備えている。
第２の筐体３の基端部３ｂには、その内面３ｄから内部空間に貫通する貫通孔３ｅを有し、この貫通孔３ｅに回転軸４１が嵌入され、その一端に備えるフランジ部４１ｂを第２の筐体３と共にネジ等を用いて取着することで第２の筐体３に一体的に形成するようになっており、回転軸４１の他端は第２の筐体３の外面３ａの背面側に位置する内面３ｄから基準軸線Ｌ１方向に突出するようになっている。
第１の筐体２の基端部２ｂには、その内面２ａから内部空間に貫通する貫通孔２ｄを有し、この貫通孔２ｄに軸受部４３が嵌入され、その一端に備えるフランジ部４３ｂを第１の筐体２と共にネジ等を用いて取着することで第１の筐体２に一体的に形成するようになっている。そして、上記軸受部４３の中央に備える挿通孔４３ａ内に前記回転軸４１が回転可能に挿通されることで軸支するようになっている。
即ち、回転軸４１の外周面には段差部４１ｃを有し、この段差部４１ｃを軸受部４３の頂面４３ｃに当接させることにより、回転軸４１が軸受部４３により基準軸線Ｌ１方向に支持されることになる。
また、回転軸４１の他端は軸受部４３を超えて延設されており、第１の回路基板２３に形成された切欠部２３ｃ内に挿通され、回転軸４１の外周面と切欠部２３ｃの内周壁面とは相互に近接して位置するようになっている。 As shown in FIG. 3, the connecting means 5 includes a substantially cylindrical rotating shaft 41 and a bearing portion 43 that rotatably supports the rotating shaft 41.
The base end portion 3b of the second housing 3 has a through hole 3e penetrating from the inner surface 3d to the internal space, and a rotation shaft 41 is fitted into the through hole 3e, and a flange portion 41b provided at one end thereof is provided. The second shaft 3 is integrally formed with the second housing 3 by using screws or the like, and the other end of the rotating shaft 41 is the outer surface of the second housing 3. It projects in the direction of the reference axis L1 from the inner surface 3d located on the back side of 3a.
The base end portion 2b of the first housing 2 has a through hole 2d penetrating from the inner surface 2a into the internal space, and a bearing portion 43 is fitted into the through hole 2d, and a flange portion 43b provided at one end thereof is provided. The first casing 2 is integrally formed with the first casing 2 by being attached using screws or the like. And the said rotating shaft 41 is rotatably supported by inserting in the insertion hole 43a provided in the center of the said bearing part 43 so that rotation is possible.
That is, the rotation shaft 41 has a step portion 41 c on the outer peripheral surface, and the step portion 41 c is brought into contact with the top surface 43 c of the bearing portion 43, so that the rotation shaft 41 is supported by the bearing portion 43 in the direction of the reference axis L 1. Will be.
The other end of the rotating shaft 41 extends beyond the bearing portion 43 and is inserted into a notch 23 c formed in the first circuit board 23, so that the outer peripheral surface of the rotating shaft 41 and the notch 23 c The inner wall surface is positioned close to each other.

また、前記回転軸４１には、基準軸線Ｌ１方向に貫通して２つの筐体２，３の内部空間を相互に連通する貫通孔４１ａを備え、各筐体２，３に各々設けられた第１及び第２の回路基板２３，３３は、この貫通孔４１ａを介してケーブル４２により相互に電気的に接続されている。
ケーブル４２は、２つの回路基板２３，３１間において電気信号による情報伝達を行うと共に、第１及び第２の回路基板２３，３１を介してバッテリー（不図示）の電力を第２の筐体３に搭載された表示部１１、スピーカー部１３、電気音響変換部１５や各種電子部品等に供給可能とするものである。なお、このケーブル４２は、上記貫通孔４１ａの他に、第１の回路基板２３の切欠部２３ｃにも挿通されており、第１の回路基板２３の裏面２３ｂ側に備えるコネクタ（不図示）に接続されるようになっている。 The rotating shaft 41 includes a through hole 41a that penetrates in the direction of the reference axis L1 and communicates with the internal space of the two casings 2 and 3, and is provided in each casing 2 and 3, respectively. The first and second circuit boards 23 and 33 are electrically connected to each other by a cable 42 through the through hole 41a.
The cable 42 transmits information by an electrical signal between the two circuit boards 23 and 31, and also supplies power of a battery (not shown) to the second casing 3 via the first and second circuit boards 23 and 31. Can be supplied to the display unit 11, the speaker unit 13, the electroacoustic conversion unit 15, various electronic components, and the like mounted on the device. The cable 42 is inserted into the notch 23c of the first circuit board 23 in addition to the through hole 41a, and is connected to a connector (not shown) provided on the back surface 23b side of the first circuit board 23. It is supposed to be connected.

以上のように構成された携帯電話機１の作用について説明する。
この携帯電話機１を鞄や衣服のポケットに収容して携行する場合には、図２に示すように、２つの筐体２，３を閉じた状態とする。この状態において、例えば、通話の着信があった場合には、補助操作部８を押下して回線接続を行い、受話器として機能するスピーカー部１３及び送話器として機能する電気音響変換部１５により通話を行う。また、例えば、着信したメールやインターネットを閲覧する場合には、表示部１１に表示される各種情報を視認する。
また、例えば、メール等の文章を作成したり、電話番号を入力する場合には、操作部７を操作するため、図２に示す状態から、第２の筐体３を第１の筐体２に対して基準軸線Ｌ１を中心に１８０°回動させ、操作部７を外方に露出させるように２つの筐体２，３を相互に開く。 The operation of the mobile phone 1 configured as described above will be described.
When the cellular phone 1 is carried in a bag or a pocket of clothes, the two casings 2 and 3 are closed as shown in FIG. In this state, for example, when there is an incoming call, the auxiliary operation unit 8 is pressed to connect the line, and the speaker unit 13 functioning as a receiver and the electroacoustic conversion unit 15 functioning as a transmitter I do. For example, when browsing an incoming mail or the Internet, various information displayed on the display unit 11 is visually recognized.
Further, for example, when creating a text such as an e-mail or inputting a telephone number, the second casing 3 is moved from the state shown in FIG. With respect to the reference axis L1, the two casings 2 and 3 are opened to each other so that the operation portion 7 is exposed to the outside.

この開く動作を行う際に、例えば、使用者が気付かずに第２の筐体３を第１の筐体２に対してＡ方向に回動させようとした場合には、回転軸４１の中心線を基準軸線Ｌ１に対して傾けようとする外力が回転軸４１に作用するが、この場合回転軸４１が、第１の回路基板２３に形成された切欠部２３ｃの内周壁面に当接して支持されるため、軸受部４３のみに応力が集中することはない。この応力集中の発生は、２つの筐体２，３を相互に開いた状態から第２の筐体３を第１の筐体２に対してＢ方向に回動させようとした場合においても同様に防止できる。   When performing the opening operation, for example, when the second casing 3 is rotated in the A direction with respect to the first casing 2 without the user's knowledge, the center of the rotation shaft 41 is used. An external force that tries to incline the wire with respect to the reference axis L1 acts on the rotation shaft 41. In this case, the rotation shaft 41 abuts against the inner peripheral wall surface of the notch 23c formed in the first circuit board 23. Since it is supported, stress is not concentrated only on the bearing portion 43. The occurrence of this stress concentration is the same when the second casing 3 is rotated in the B direction with respect to the first casing 2 from the state in which the two casings 2 and 3 are opened to each other. Can be prevented.

上記のように、この携帯電話機１によれば、回転軸４１の中心線を基準軸線Ｌ１に対して傾けようとする外力が回転軸４１に作用しても、軸受部４３及び回路基板２３に形成された切欠部２３ｃにより基準軸線Ｌ１方向の異なる位置において回転軸４１を支持するため、第１の筐体２に設けられた軸受部４３のみに応力が集中することを防止して、第１の筐体２の破損を防ぐことができる。
また、位置検出手段１００は磁石３５と３つの磁気センサ２４ａ〜２４ｃとにより構成される、所謂非接触型の検出手段であるため、接触型の検出手段と比較して摩擦等による検出手段の劣化を防止できる。
さらに、この位置検出手段１００を構成する磁石３５は、２つの筐体２，３の開閉状態に関わらず第１の筐体２により覆い隠される第２の筐体３の基端部３ｂ側に配されるため、磁石３５が第２の筐体３外方に露出することがなく、良好な外観意匠を有する携帯電話機１を提供できる。 As described above, according to the mobile phone 1, even if an external force that tries to incline the center line of the rotation shaft 41 with respect to the reference axis L 1 acts on the rotation shaft 41, it is formed on the bearing 43 and the circuit board 23. Since the rotary shaft 41 is supported at different positions in the direction of the reference axis L1 by the cutout portion 23c, the stress is prevented from concentrating only on the bearing portion 43 provided in the first housing 2, and the first Damage to the housing 2 can be prevented.
Further, since the position detection means 100 is a so-called non-contact detection means constituted by the magnet 35 and the three magnetic sensors 24a to 24c, the detection means is deteriorated due to friction or the like as compared with the contact detection means. Can be prevented.
Further, the magnet 35 constituting the position detecting means 100 is located on the base end 3b side of the second casing 3 that is covered by the first casing 2 regardless of the open / closed state of the two casings 2 and 3. Therefore, the magnet 35 is not exposed to the outside of the second casing 3, and the mobile phone 1 having a good appearance design can be provided.

また、磁石３５及び磁気センサ２４ａ〜２４ｃを連結手段５の近傍に配することで、連結手段５の周囲の第１及び第２の筐体２，３の余剰空間を有効活用することができる。
さらに、位置検出手段１００は、磁気センサ２４ａ〜２４ｃを第１の回路基板２３に実装すると共に、磁石３５を第２の筐体３の凹部３３に嵌め込む構成となっているため、リード線の配線等が不要となり、携帯電話機１の製造を容易に行うことができる。 Further, by arranging the magnet 35 and the magnetic sensors 24 a to 24 c in the vicinity of the connecting means 5, the excess space of the first and second casings 2 and 3 around the connecting means 5 can be effectively used.
Further, since the position detection means 100 is configured to mount the magnetic sensors 24 a to 24 c on the first circuit board 23 and fit the magnet 35 into the recess 33 of the second housing 3, Wiring or the like becomes unnecessary, and the mobile phone 1 can be easily manufactured.

なお、上記の実施形態においては、第１の回路基板２３にＵ字状に形成された切欠部２３ｃを形成するとしたが、これに限ることはなく、少なくとも回転軸４１を第１の回路基板２３の厚さ方向に挿通させるように構成されていればよい。したがって、例えば、第１の回路基板２３に、その厚さ方向に貫通する貫通孔を形成するとしても構わない。
また、３つの磁気センサ２４ａ〜２４ｃを用いて、２つの筐体２，３の開閉状態、及び２つの筐体２，３が相互に９０°の角度をなしている状態を検出するとしたが、これに限ることはなく、少なくとも２つの筐体２，３の開閉状態が検出できればよい。したがって、位置検出手段１００は、例えば、第２の磁気センサ２４ｂを除いた構成としてもよい。 In the above embodiment, the U-shaped cutout 23c is formed in the first circuit board 23. However, the present invention is not limited to this, and at least the rotating shaft 41 is connected to the first circuit board 23. What is necessary is just to be comprised so that it may penetrate in thickness direction. Therefore, for example, a through hole penetrating in the thickness direction may be formed in the first circuit board 23.
In addition, the three magnetic sensors 24a to 24c are used to detect the open / closed state of the two casings 2 and 3 and the state where the two casings 2 and 3 form an angle of 90 ° with each other. The present invention is not limited to this, and it is only necessary to detect the open / closed state of at least two housings 2 and 3. Therefore, the position detection unit 100 may be configured without the second magnetic sensor 24b, for example.

さらに、磁石３５は、第２の筐体３の内面３ｄに形成された凹部３３に嵌め込んで第２の筐体３に固定されるとしたが、これに限ることはなく、例えば、図６に示すように、内面３ｄの反対側に位置する第２の筐体３の内壁面３ｅに凹部３４を形成し、この凹部３４に磁石３５を嵌め込んで固定するとしても構わない。
また、磁石３５は、第２の筐体３に固定することに限らず、少なくとも移動軌跡Ｃ，Ｄ上を移動するように第２の筐体３側に固定されていればよい。すなわち、例えば、第２の筐体３の内部に、板状に形成されたマグネシウム合金、アルミニウム合金等の金属材料やエンジニアプラスチック等からなる補強板を固定し、この補強板に磁石３５を接着して固定するとしても良い。また、例えば、この補強板に凹部を形成し、この凹部に磁石３５を圧入して固定するとしても構わない。
ただし、金属材料の補強板を使用する場合には、磁石３５と磁気センサ２４ａ〜２４ｃとの間にこの補強板が介在しないように、磁石３５を固定することが好ましい。 Furthermore, the magnet 35 is fixed to the second casing 3 by being fitted into the recess 33 formed on the inner surface 3d of the second casing 3, but the present invention is not limited to this. For example, FIG. As shown in FIG. 4, a recess 34 may be formed on the inner wall surface 3e of the second housing 3 located on the opposite side of the inner surface 3d, and a magnet 35 may be fitted into the recess 34 and fixed.
The magnet 35 is not limited to being fixed to the second casing 3, but may be fixed to the second casing 3 so as to move at least on the movement trajectories C and D. That is, for example, a reinforcing plate made of metal material such as magnesium alloy or aluminum alloy or engineer plastic is fixed inside the second housing 3, and the magnet 35 is bonded to the reinforcing plate. It may be fixed. Further, for example, a recess may be formed in the reinforcing plate, and the magnet 35 may be press-fitted and fixed in the recess.
However, when a reinforcing plate made of a metal material is used, it is preferable to fix the magnet 35 so that the reinforcing plate is not interposed between the magnet 35 and the magnetic sensors 24a to 24c.

さらに、第１の回路基板２３に磁気センサ２４ａ〜２４ｃを実装し、第２の筐体３側に磁石３５を配するとしたが、これに限ることはなく、例えば、第２の回路基板３１に磁気センサ２４ａ〜２４ｃを実装し、第１の筐体２側に磁石３５を配するとしても構わない。
また、第１の筐体２に軸受部４３を設け、この軸受部４３により第２の筐体３側に設けられた回転軸４１を回転自在に軸支するとしたが、これに限ることはなく、例えば、回転軸を第１の筐体２側に設けると共に、第２の筐体３に軸受部を設けるとしても良い。
また、回転軸を軸支する軸受部は、筐体に設けることに限らず、例えば、第２の筐体３内部に板状の補強板を固定し、この補強板に回転軸を軸支する軸受部を設けるとしても構わない。 Further, the magnetic sensors 24a to 24c are mounted on the first circuit board 23 and the magnet 35 is disposed on the second housing 3 side. However, the present invention is not limited to this. For example, the second circuit board 31 is provided on the second circuit board 31. The magnetic sensors 24a to 24c may be mounted, and the magnet 35 may be disposed on the first housing 2 side.
Moreover, although the bearing part 43 was provided in the 1st housing | casing 2 and the rotating shaft 41 provided in the 2nd housing | casing 3 side was supported by this bearing part 43 rotatably, it is not restricted to this. For example, the rotation shaft may be provided on the first housing 2 side and the bearing portion may be provided on the second housing 3.
Further, the bearing portion that pivotally supports the rotating shaft is not limited to being provided in the housing, and for example, a plate-shaped reinforcing plate is fixed inside the second housing 3 and the rotating shaft is pivotally supported on the reinforcing plate. A bearing portion may be provided.

さらに、２つの筐体２，３を相互に閉じた状態においては、電気音響変換部１５をマイクロフォンとして機能させるとしたが、これに限ることはなく、少なくとも２つの筐体２，３を相互に閉じた状態においても通話可能な構成があればよい。
また、携帯電話機１に限ることはなく、例えば、ＰＤＡやノートパソコンのように、２つの筐体を連結手段により互いに回動可能、かつ開閉自在に連結した携帯端末装置であればよい。
以上、本発明の実施形態について図面を参照して詳述したが、具体的な構成はこの実施形態に限られるものではなく、本発明の要旨を逸脱しない範囲の設計変更等も含まれる。 Further, in the state where the two casings 2 and 3 are closed to each other, the electroacoustic transducer 15 is made to function as a microphone. However, the present invention is not limited to this, and at least two casings 2 and 3 are mutually connected. It is sufficient if there is a configuration capable of making a call even in the closed state.
Further, the present invention is not limited to the mobile phone 1, and may be a mobile terminal device in which two casings are connected to each other so as to be rotatable with respect to each other by connecting means, such as a PDA and a notebook personal computer.
As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

この発明の一実施形態に係る携帯電話機を構成する第１及び第２の筐体を相互に開いた状態を示す概略平面図である。It is a schematic plan view which shows the state which opened the 1st and 2nd housing | casing which comprises the mobile telephone which concerns on one Embodiment of this invention mutually. 図１の携帯電話機において、第１及び第２の筐体を相互に閉じた状態を示す概略平面図である。FIG. 2 is a schematic plan view showing a state in which the first and second housings are mutually closed in the mobile phone of FIG. 1. 図２のＥ−Ｅ矢視断面図である。It is EE arrow sectional drawing of FIG. 図１の携帯電話機において、第１及び第２の筐体内部に配された各種部品を示す概略斜視図である。FIG. 3 is a schematic perspective view showing various components arranged in first and second housings in the mobile phone of FIG. 1. 図１の携帯電話機において、第１及び第２の筐体を相互に９０°の角度に位置させた状態を示す概略平面図である。FIG. 2 is a schematic plan view showing a state where the first and second housings are positioned at an angle of 90 ° with each other in the mobile phone of FIG. 1. 本発明の他の実施形態に係る携帯電話機において、磁気センサの配置を示す概略斜視図である。It is a schematic perspective view which shows arrangement | positioning of a magnetic sensor in the mobile telephone based on other embodiment of this invention.

符号の説明Explanation of symbols

１ 携帯電話機（携帯端末装置）
２ 第１の筐体
３ 第２の筐体
５ 連結手段
２３ 第１の回路基板
２３ａ 前面
２３ｃ 切欠部
２４ａ 第１の磁気センサ
２４ｂ 第２の磁気センサ
２４ｃ 第３の磁気センサ
３５ 磁石
４１ 回転軸
４３ 軸受部
１００ 位置検出手段
Ｃ，Ｄ 移動軌跡
Ｌ１ 基準軸線

1 Mobile phone (mobile terminal device)
2 first housing 3 second housing 5 connecting means 23 first circuit board 23a front surface 23c notch 24a first magnetic sensor 24b second magnetic sensor 24c third magnetic sensor 35 magnet 41 rotating shaft 43 Bearing part 100 Position detection means C, D Movement locus L1 Reference axis

Claims (3)

互いに重ね合わせ可能に配置される２つの筐体と、重ね合わせ方向に延びる軸線を中心として前記２つの筐体を相互に回動可能に連結する連結手段とを備え、
該連結手段は、前記２つの筐体のうち一方の筐体側に設けられ、前記軸線を中心線する回転軸と、前記２つの筐体のうち他方の筐体側に設けられ、前記回転軸を回転可能に軸支する軸受部とを有し、
前記他方の筐体内には回路基板を備えると共に、当該回路基板に前記回転軸が挿通される切欠部又は貫通孔を有することを特徴とする携帯端末装置。 Two housings arranged so as to be able to be superposed on each other, and connecting means for connecting the two housings so as to be rotatable around an axis extending in the superposition direction,
The connecting means is provided on one housing side of the two housings, and is provided on a rotating shaft centering on the axis, and on the other housing side of the two housings, and rotates the rotating shaft. A bearing part that pivotally supports it,
A portable terminal device comprising a circuit board in the other housing and a notch or a through hole through which the rotation shaft is inserted. 前記２つの筐体の相対的な位置を検出する位置検出手段を備え、
該位置検出手段は、前記軸線の周囲近傍に位置して前記一方の筐体に固定される磁石と、前記軸線を中心とする前記磁石の移動軌跡の所定位置に対向するように前記回路基板上に設けられ、前記磁石の磁気を検出する磁気センサとを有することを特徴とする請求項１に記載の携帯端末装置。 A position detecting means for detecting a relative position of the two cases;
The position detecting means is disposed on the circuit board so as to oppose a predetermined position of a moving locus of the magnet centered on the axis and a magnet positioned near the periphery of the axis and fixed to the one housing. The mobile terminal device according to claim 1, further comprising: a magnetic sensor that is provided in the magnetic sensor and detects the magnetism of the magnet. 前記磁気センサは、前記軸線を挟んで対称な位置に一対設けられていることを特徴とする請求項２又は請求項３に記載の携帯端末装置。

The mobile terminal device according to claim 2, wherein a pair of the magnetic sensors are provided at symmetrical positions with respect to the axis.

JP2003307302A 2003-08-29 2003-08-29 Mobile terminal device Expired - Fee Related JP4310151B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007013376A1 (en) * 2005-07-27 2007-02-01 Matsushita Electric Industrial Co., Ltd. Portable terminal
WO2009145265A1 (en) * 2008-05-29 2009-12-03 京セラ株式会社 Electronic device
JP2010216622A (en) * 2009-03-18 2010-09-30 Nec Corp Casing connecting mechanism and portable terminal unit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007013376A1 (en) * 2005-07-27 2007-02-01 Matsushita Electric Industrial Co., Ltd. Portable terminal
JPWO2007013376A1 (en) * 2005-07-27 2009-02-05 パナソニック株式会社 Mobile device
US7933638B2 (en) 2005-07-27 2011-04-26 Panasonic Corporation Portable terminal
CN101233472B (en) * 2005-07-27 2011-08-24 松下电器产业株式会社 Portable terminal
JP4782128B2 (en) * 2005-07-27 2011-09-28 パナソニック株式会社 Mobile device
WO2009145265A1 (en) * 2008-05-29 2009-12-03 京セラ株式会社 Electronic device
JP2009290506A (en) * 2008-05-29 2009-12-10 Kyocera Corp Portable electronic equipment
KR101189426B1 (en) 2008-05-29 2012-10-10 쿄세라 코포레이션 Electronic device
US8311596B2 (en) 2008-05-29 2012-11-13 Kyocera Corporation Electronic device with rotational position determination unit
JP2010216622A (en) * 2009-03-18 2010-09-30 Nec Corp Casing connecting mechanism and portable terminal unit

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