JP2007068207A - Mobile terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose a mobile phone capable of improving operability since input keys of an operating part in the mobile phone tend to increase in recent years. <P>SOLUTION: In a mobile phone 1, a first operating part housing 5 including a first operating part 4 and a second operating part housing 9 including a second operating part 11 are selectively expanded at an arbitrary angle, so that without pressing any special operation to a user, only by rotating the first operating part housing 5 or the second operating part housing 9 of an object to be operated in accordance with a use purpose of the user, input operation can be easily performed. Thus, operability can be improved. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mobile terminal device, and is suitable for application to, for example, a mobile phone.

  In recent years, mobile phones have been equipped with not only a call function but also an e-mail creation function and a game function due to rapid technological development, and accordingly, an input key of an operation unit corresponding to the function is also provided. It tends to increase.

  In this case, in mobile phones, there are restrictions on the number of input keys that can be placed on the case, so multiple character systems such as “Kana”, “English letters”, and “numbers” are assigned to multiple input key groups. The input mode is changed as necessary, and one of the plurality of character systems is selected.

  By the way, in a mobile phone having such a configuration, for example, when inputting a hiragana “o” at the time of creating an e-mail, it is necessary to press the input key corresponding to the “o” only five times. If the object is “English”, a complicated operation is required by requiring a change of the input mode.

  As a method for solving such a requirement, for example, as disclosed in Japanese Patent Application Laid-Open No. 12-276256, a plurality of input key groups are arranged in separate housings, and the respective housings are folded via hinges, respectively. Although it has been proposed to be able to be connected, each case is connected in a foldable manner, so even if the input key group of any case is used, all the cases must be unfolded at all times. However, complicated operations are still required.

  The present invention has been made in view of the above points, and intends to propose a portable terminal device capable of improving operability.

  In order to solve such a problem, the present invention is a mobile phone, in which a first casing provided with a display unit, a second casing provided with an operation unit having a plurality of input keys, A rotating shaft for rotating the casing and the second casing on substantially the same plane and a switching means for switching the input content in the input key according to the rotation angle of the second casing are provided. Thereby, in this mobile phone, a user-desired operation can be performed only by rotating the casing to the angle to be operated.

  As described above, according to the present invention, the first casing provided with the display unit, the second casing provided with the operation unit having a plurality of input keys, the first casing and the second casing By providing a rotation axis for rotating the casing of the second casing on substantially the same plane and a switching means for switching the input content in the input key according to the rotation angle of the second casing. By simply rotating the housing, the user's desired operation can be performed, and thus the operability can be improved.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

(1) Appearance Configuration of Mobile Phone In FIG. 1, reference numeral 1 denotes a mobile phone to which the present invention is applied as a whole, and includes a housing 3 having a display unit 2 (hereinafter referred to as a display unit housing), a first It is divided into a housing 5 (hereinafter referred to as a first operation portion housing) 5 having an operation unit 4.

  A speaker 6 is provided in the upper front portion of the display unit housing 3 and outputs a voice of a communication destination user, a ringtone, and the like.

  In the center of the front surface of the display unit housing 3, a display unit 2 made of LCD (Liquid Crystal Display) is provided, and various information corresponding to various functions in the mobile phone 1, such as radio wave reception status and remaining battery level. Is notified to the user.

  At the lower front portion of the display unit housing 3, a rotary pressing operator (jog dial) 7 that can be freely rotated and pressed is provided in a state of slightly protruding from the surface of the display unit housing 3, for example, A selection command and a determination command for various functions in the mobile phone 1 can be easily input by a rotation operation and a pressing operation of only the thumb.

  On the other hand, a microphone 8 is provided at the lower front portion of the first operation unit housing 5 to collect sound in the vicinity of the microphone 8.

  In the center of the front face of the first operation section housing 5 is provided a first operation section 4 composed of various input keys such as a redial key, a call start key, a call end key, a power key, a clear key, and an e-mail key. .

  And the 1st operation part 4 has only the number input key group (not shown) corresponding to the number "0"-"9" among the various character systems of a number, an alphabet, and a Kana (kana) character. In the various character systems, only numbers can be input.

  In addition to this configuration, in the cellular phone 1, a casing (hereinafter referred to as a second operation section casing) having the same shape and size as the first operation section casing 5 is provided below the first operation section casing 5. 9) is provided.

  Furthermore, the cellular phone 1 has a rotating shaft 10 inserted from the lower front side of the display unit housing 3 to the upper back side of the second operation unit housing 9 through the first operation unit housing 5, and the rotation The display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 are independently and rotatably connected via the shaft 10.

  Therefore, as shown in FIG. 2, the mobile phone 1 moves the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 independently to the right (the direction indicated by the arrow in the drawing). It is designed to be able to rotate on substantially the same plane.

  In the case of this embodiment, in the mobile phone 1, the display unit housing 3 and the second operation unit housing 9 are limited to a range of 180 degrees to the right with respect to the first operation unit housing 5. It is designed to be able to rotate.

  Therefore, in the mobile phone 1, the continuous rotation of the display unit housing 3 and the second operation unit housing 9 with respect to the first operation unit housing 5 can be prevented, whereby the first operation unit housing 5 and the display unit can be prevented. It is possible to avoid entanglement or disconnection of wiring connecting the housing 3 and between the first operation unit housing 5 and the second operation unit housing 9.

  Incidentally, in the mobile phone 1, the rotation is limited to 180 degrees in the right direction, but the rotation is not limited to this, and the rotation may be limited to 180 degrees in the left direction. .

  Here, the second operation unit housing 9 has only the second operation unit 11, and accordingly, the second operation unit 11 includes an alphabetic character and an alphabetic character among various character systems of numbers, alphabets, and kana characters. A character input key group corresponding to each one of the kana (kana) characters can be arranged over the entire second operation unit housing 9.

  Therefore, in the mobile phone 1, as shown in FIG. 3, the display unit housing 3 is rotated 180 degrees with respect to the first operation unit housing 5 and unfolded, and the first operation unit housing 5 is expanded. When the second operation unit housing 9 is rotated 90 degrees to be in a deployed state (hereinafter referred to as a character input state), the first operation unit only has a number input key group corresponding to “0” to “9”. By separately providing the operation unit 4 and the second operation unit 11 having character input key groups corresponding to each one of alphabetic characters and kana (kana) characters, numbers and In addition, various characters can be input without changing the input mode between English characters and kana characters.

  In the mobile phone 1, as shown in FIG. 4, the display unit housing 3 is rotated 90 degrees with respect to the first operation unit housing 5 and unfolded, and the first operation unit housing 5 is expanded. The second operation unit housing 9 is rotated 180 degrees and unfolded so that the first operation unit housing 5 and the second operation unit housing 9 face each other 180 degrees across the display unit housing 3 ( Hereinafter, this is referred to as a game operation state), and the first operation unit housing 5 and the second operation unit housing 9 can be held with both hands, and an input operation is performed as if it is a remote controller of a game device. It is made to be able to let you.

  Further, in the mobile phone 1, as shown in FIG. 1, the first operation unit housing 5 is overlaid on the second operation unit housing 9, and the display unit housing is disposed on the first operation unit housing 5. When the body 3 is rotated 180 degrees and deployed (hereinafter referred to as an open state), for example, the user can perform telephone number input operations, telephone conversations, and the like.

  In this case, the mobile phone 1 only stores a thin board corresponding to the character input key group corresponding to the alphabetic characters and the kana (kana) characters for the second operation unit housing 9, so that the built-in antenna and various controls are possible. Even when superposed on the first operation section housing 5 that houses the circuit, the user can easily hold the circuit.

  Further, the mobile phone 1 displays the display on the first operation unit casing 5 by slightly tilting the rotating shaft 10 and gradually raising the upper front portion of the first operation unit casing 5 as it approaches the tip. When the housing 3 is opposed 180 degrees, the entire mobile phone 1 can be expanded in a bow shape, and as a result, the display unit 2 of the display housing 3 can be easily viewed by the user. ing.

  In the cellular phone 1, as shown in FIG. 5, the back surface of the display unit housing 3 and the surface of the first operation unit housing 5 are overlapped, and the back surface of the first operation unit housing 5 and the first operation unit housing 5 are overlapped. 2 When the surface of the operation unit housing 9 is overlapped (hereinafter referred to as a closed state), it can be made smaller than the open state (FIG. 1) and can be easily carried by the user. It is made like that.

  In addition, the mobile phone 1 is provided with the display unit 2 on the front surface of the display unit housing unit 3 so that the user can be notified of the current time, radio wave state, and the like via the display unit 2 even in the closed state. Has been made.

  Furthermore, since the mobile phone 1 is provided with the jog dial 7 on the front surface of the display housing 3, all the basic functions of the mobile phone 1 can be achieved by rotating and pressing the jog dial 7 even in the closed state. It is designed to be executed.

  As described above, in the mobile phone 1, the display unit housing 3 and the second operation unit housing 9 are selectively expanded at an arbitrary angle with respect to the first operation unit housing 5 via the rotation shaft 10. The input operation can be performed according to the purpose of use of the user.

(2) Circuit Configuration of Mobile Phone As shown in FIG. 6, the mobile phone 1 controls the ROM 20, the RAM 22, and the display unit 2 via the bus BUS with respect to the CPU 20 that comprehensively controls various functions of the mobile phone 1. A jog dial I / F (interface) 23, an operation control unit 24 as a control unit, and a transmission / reception unit 25 are connected, and an antenna 26 and a signal processing unit 27 are connected to the transmission / reception unit 25.

  The CPU 20 of the mobile phone 1 appropriately reads out various programs stored in the ROM 21 and executes them on the RAM 22 according to various commands input via the first operation unit 4, the second operation unit 11, or the jog dial 7. Thus, various functions in the mobile phone 1 are realized.

  For example, the CPU 20 controls the transmission / reception unit 25 according to an operation command input via the first operation unit 4, thereby executing various communication processes such as a calling process and a call termination process.

  That is, the transmission / reception unit 25 transmits a predetermined control signal to a base station (not shown) via the antenna 26 to perform call processing, and receives an incoming signal transmitted from the base station via the antenna 26. The incoming signal is notified to the user via the signal processing unit 27 and the speaker 6 in order.

  Then, the transmitter / receiver 25 amplifies the received signal received via the antenna 26 during a call, generates frequency data by performing frequency conversion processing and analog-digital conversion processing in sequence, and sends this to the signal processing unit 27. To do. The signal processing unit 27 outputs an audio signal obtained by sequentially performing demodulation processing, error correction processing, and digital-analog conversion processing on the audio data via the speaker 6.

  On the other hand, the signal processing unit 27 generates audio data by sequentially performing analog-digital conversion processing, error correction processing, and modulation processing on the audio signal collected through the microphone 8, and transmits the audio data to the transmission / reception unit 25. To send. The transmission / reception unit 25 transmits a transmission signal obtained through amplification after sequentially performing digital-analog conversion processing and frequency conversion processing on the audio data via the antenna 26.

(3) Operation Control Processing By the way, the CPU 20 of the mobile phone 1 reads the operation control processing program stored in the ROM 21 and executes it on the RAM 22, thereby controlling the operation control unit 24 in accordance with the operation control processing program and executing the first operation control program 24. The operation unit housing 5 and the second operation unit housing 9 are constantly monitored.

  Here, the operation control processing procedure in the operation control unit 24 will be described with reference to the flowchart shown in FIG.

  The operation control unit 24 proceeds from the start step of the operation control processing routine RT to the next step SP1, and determines whether or not the first operation unit housing 5 has been deployed.

  If a negative result is obtained here, this indicates that the display unit casing 3 and the first operation unit casing 5 are in an overlapping state. At this time, the operation control unit 24 displays the display unit casing. It waits until the 1st operation part housing | casing 5 is expand | deployed by rotation of the body 3. FIG.

  On the other hand, if a positive result is obtained, this means that the first operation unit housing 5 is unfolded by rotating the display unit housing 3 (for example, the open state (FIG. 1)) or the first operation. This represents that the housing 5 itself has been rotated to an arbitrary angle and has been unfolded. At this time, the operation control unit 24 proceeds to the next step SP2.

  In step SP2, the operation control unit 24 operates the first operation unit 4 by turning on the first operation unit 4 of the first operation unit housing 5, and then proceeds to the next step SP3.

  In step SP3, the operation control unit 24 determines whether or not the second operation unit housing 9 has been deployed.

  If a negative result is obtained here, this means that the first operation unit housing 5 and the second operation unit housing 9 are in an overlapping state. At this time, the operation control unit 24 2 Wait until the operation unit housing 9 is unfolded.

  On the other hand, if a positive result is obtained, this means that the second operation unit casing 9 is unfolded by rotating the first operation unit casing 5, or the second operation unit casing 9 itself is arbitrarily set. The operation control unit 24 moves to the next step SP4.

  In step SP4, the operation control unit 24 operates the first operation unit 4 by turning on the power to the second operation unit 11 of the second operation unit housing 9, and then proceeds to the next step SP5.

  In step SP5, the operation control unit 24 determines whether or not the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 are in the game operation state (FIG. 5).

  If a negative result is obtained here, this means that in the game operation state, the first operation unit housing 5 and the second operation unit housing 9 are still opposed to each other by 180 degrees with the display unit housing 3 interposed therebetween. At this time, the operation control unit 24 waits until the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 are in the game operation state.

  On the other hand, if an affirmative result is obtained, this means that the first operation unit housing 5 and the second operation unit housing 9 are opposed to each other by 180 degrees with the display unit housing 3 interposed therebetween. At this time, the operation control unit 24 proceeds to the next step SP6.

  In step SP6, the operation control unit 24 performs predetermined mode conversion on the number input key group in the first operation unit 4 so that only a predetermined input key of the number input key group is assigned to the A button and B of the game device. Operate as a button.

  Similarly, the operation control unit 24 performs predetermined mode conversion on a character input key group corresponding to an alphabetic character and a kana (kana) character in the second operation unit 11 to thereby perform a predetermined input key of the character input key group. Is operated as a cross button of the game device, and the process proceeds to the next step SP7.

  Incidentally, the operation control unit 24 performs predetermined mode conversion to operate only the predetermined numeric input keys in the first operation unit 4 as the A button and the B button of the game device, and also performs predetermined characters in the second operation unit 11. Although only the input key is operated as a cross button of the game device, the first operation unit is not limited to this, for example, by performing mode conversion corresponding to the button of the game device according to the game program executed on the RAM 23. 4 and the second operation unit 11 may be operated, and the first operation unit 4 and the second operation unit 11 may be operated by performing various other mode conversions.

  In step SP7, the operation control unit 24 determines whether or not the game operation state has changed in the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9.

  If a negative result is obtained here, this means that the first operation unit housing 5 and the second operation unit housing 9 are still facing each other by 180 degrees with the display unit housing 3 interposed therebetween. At this time, the operation control unit 24 waits until the game operation state is changed.

  On the other hand, when a positive result is obtained, the operation control unit 24 performs a predetermined mode conversion on the first operation unit 4 again, thereby causing the first operation to be operated as the A button and the B button of the game device. Switch the number input key of section 4 to the number input key corresponding to the original “0” to “9”.

  Similarly, the operation control unit 24 performs predetermined mode conversion on the second operation unit 11, so that the character input keys of the second operation unit 11 operated as a cross button of the game device are changed to the original alphabet and kana. Switch again to the character input key corresponding to the (kana) character, and return to step SP5 to wait until the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 are again in the game operation state. .

  As described above, when the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 are in the game operation state, the operation control unit 24 performs the first operation unit 4 and the second operation unit. By operating only predetermined number and character input keys in the unit 11 as buttons dedicated to the game device, it is possible to perform an input operation as if it were a remote controller of the game device.

  In the configuration described above, the mobile phone 1 includes the display unit housing 3 having the display unit 2, the first operation unit housing 5 having the first operation unit 4, and the second operation unit housing having the second operation unit 11. The body 9 and the rotation shaft 10 for independently rotating the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 on substantially the same plane are provided.

  Therefore, in the mobile phone 1, when the call function is executed, as shown in FIG. 1, the first operation unit casing 5 is overlaid on the second operation unit casing 9, and the first operation unit casing is overlapped. Number display keys corresponding to “0” to “9” of the first operation unit 4 of the first operation unit housing 5 are opened by expanding the display unit housing 3 by 180 degrees relative to the body 5. A call can be initiated through the group.

  Further, in the mobile phone 1, when executing the e-mail creation function, as shown in FIG. 3, the display unit housing 3 is expanded by 180 degrees with respect to the first operation unit housing 5, and The second operation unit housing 9 is expanded by 90 degrees to the right with respect to the first operation unit housing 5 to enter a character input state, and corresponds to “0” to “9” in the first operation unit 4. Between each of the numbers, letters and kana characters via the number input keys and the letter input keys corresponding to each of the letters and kana characters in the second operation unit 11 Characters can be entered without changing the input mode.

  Furthermore, in the mobile phone 1, when executing the game function, as shown in FIG. 4, the display unit housing 3 is expanded by 90 degrees with respect to the first operation unit housing 5, and the first The second operation unit housing 9 is unfolded by 180 degrees with respect to the operation unit housing 5 to enter a game operation state, and the first operation unit housing 5 and the second operation unit housing 9 are held with both hands. At this time, it is possible to perform an input operation as if it were a remote controller of a game machine via the first operation unit 4 and the second operation unit 11 in which the input mode was switched by the operation control unit 24.

  As described above, in the mobile phone 1, the display unit housing 3 and the second operation unit housing 9 are selectively expanded at an arbitrary angle with respect to the first operation unit housing 5 according to the purpose of use of the user. Thus, the input operation can be performed without causing the user to perform a special operation such as changing the input mode.

  According to the above configuration, in the mobile phone 1, the first operation unit housing 5 having the first operation unit 4 and the second operation unit housing 9 having the second operation unit 11 can be selectively set to be arbitrary. By expanding to an angle, the first operation unit housing 5 or the second operation unit housing 9 to be operated is rotated according to the purpose of use of the user without causing the user to perform a special operation. It is possible to easily perform an input operation only by operating, and thus the operability can be improved.

(4) Other Embodiments In the above-described embodiment, the case where the two first operation unit cases 5 and the second operation unit case 9 are provided has been described, but the present invention is not limited to this. Instead, a plurality of operation unit casings of two or more may be provided. In this case, a plurality of character systems corresponding to various functions of the mobile phone 1 can be individually arranged one by one without being assigned to the same input key group, and thus the operability can be further improved.

  Further, in this case, for example, as shown in FIG. 8 in which the same reference numerals are assigned to the corresponding parts to FIG. 1, the first operation unit housing 31 having the first operation unit 30 and the input key group of the first operation unit 30 If the second operation unit housing 33 having the second operation unit 32 composed of different input key groups is coupled to the second operation unit casing 33 on the same plane by the separate rotation shafts 10 and 34 so as to be independently rotatable. In a state where the thickness of the mobile phone 1 is reduced as much as possible, a plurality of character systems corresponding to various functions of the mobile phone 1 can be arranged individually one by one without being assigned to the same input key group.

  Further, in the above-described embodiment, the case where the display unit housing 3, the first operation unit housing 5, and the second operation unit housing 9 are connected by the same rotating shaft 10 has been described. The display unit housing 3 and the first operation unit housing 5 are connected to each other by the first rotation shaft, and the first operation unit housing 5 and the second operation unit housing 9 are connected to the first operation shaft. You may make it connect by the 2nd rotating shaft different from a rotating shaft. In this case, the same effect as that of the above-described embodiment can be obtained.

  Furthermore, in the above-described embodiment, the case where the display unit housing 3 and the second operation unit housing 9 are rotated to the right within a range of 180 degrees has been described. However, the rotation is not limited to 360 degrees.

  Further, in the above-described embodiment, the case where the second operation unit housing 9 having the same shape and the same size as the first operation unit housing 5 is described. However, the present invention is not limited to this, and the first operation unit housing 5 is not limited thereto. You may make it provide the 2nd operation part housing | casing different in size from the operation part housing | casing 5. FIG.

  In this case, for example, as shown in FIG. 9 in which the same reference numerals are assigned to the corresponding parts to FIG. 1, the first operation unit 40 is arranged with only numeric input key groups corresponding to “0” to “9”, Various input keys such as a call start key, a call end key, a power key, and an e-mail key are arranged in the exposed area AR of the second operation unit casing 41 exposed from the first operation unit casing 5, and the second operation unit Alphabet and kana (Kana) character input keys are arranged in an area (not shown) other than the exposed area AR of the housing 41.

  In this way, it is possible to easily distinguish and input the numeric input key and the character input key, and thus the operability can be further improved.

  Further, in the above-described embodiment, a case has been described in which the character input key group corresponding to each one of the alphabetic characters and the kana (kana) characters is arranged in the second operation unit housing 9. The invention is not limited to this. For example, as shown in FIG. 10 in which the same reference numerals are assigned to the corresponding parts as in FIG. When the second operation unit casing 50 is expanded 90 degrees to the right via the rotary shaft 10, the operation control unit 24 (FIG. 6) changes the input mode to English characters. If the input mode is expanded 90 degrees to the left, the input mode may be changed to kana by the operation control unit 24. In short, the operation control unit 24 as a control means Depending on the deployment angle of the operation unit housing One of a plurality of alphabet assigned to the character input key group may be adapted to select.

  Furthermore, in the above-described embodiment, a case has been described in which the second operation unit 11 in the second operation unit housing 9 has only a character input key group corresponding to alphabetic characters and kana characters. The invention is not limited to this, but a touch pad or a cross key may be provided instead of the character input keys corresponding to the alphabetic characters and kana (kana) characters, or the same key arrangement of the keyboard in the personal computer. An input key group may be provided. In this case, the operability can be further improved.

  Further, in the above-described embodiment, the case where the present invention is applied to the mobile phone 1 has been described. However, the present invention is not limited to this, and for example, a stick-type mobile phone, PDA (Personal Digital Assistants), personal The present invention can be applied to various other portable terminal devices such as a computer, a headphone stereo, or a portable game device.

It is a basic diagram which shows the structure of the mobile telephone to which this invention is applied. It is a basic diagram which shows the mode of rotation. It is a basic diagram which shows the mobile phone of a character input state. It is a basic diagram which shows the mobile phone of a game operation state. It is an approximate line figure showing a cellular phone in a closed state. It is a block diagram which shows the circuit structure of a mobile telephone. It is a flowchart which shows the operation control processing procedure. It is a basic diagram which shows the structure (1) of the mobile telephone by other embodiment. It is a basic diagram which shows the structure (2) of the mobile telephone by other embodiment. It is a basic diagram which shows the structure (3) of the mobile telephone by other embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Mobile phone, 2 ... Display part, 3 ... Display part housing | casing, 4, 30, 40 ... 1st operation part, 5, 31 ... 1st operation part housing | casing, 9, 33, 41, 50 …… Second operation unit housing, 10 …… Rotating shaft, 11, 32, 51 …… Second operation unit, 20 …… CPU, 24 …… Operation control unit.

Claims (5)

A first housing provided with a display unit;
A second housing provided with an operation unit having a plurality of input keys;
A rotating shaft for rotating the first casing and the second casing on substantially the same plane;
A portable terminal device comprising: switching means for switching input contents assigned to the input keys in accordance with a rotation angle of the second casing with respect to the first casing. The operation unit has a plurality of character input keys,
The switching means is
The portable terminal device according to claim 1, wherein a character system assigned to the character input key is switched in accordance with a rotation angle of the second casing with respect to the first casing. A third case provided with an operation unit having an input key different from the operation unit in the second case;
The rotation axis is
The first casing, the second casing, and the third casing are independently rotated on substantially the same plane,
The switching means is
The second casing is rotated by 90 degrees with respect to the first casing, and the third casing is rotated by 90 with respect to the first casing in a direction opposite to the second casing. The portable terminal device according to claim 1, wherein the input content assigned to the input key is switched to a game mode when the input key is rotated twice. A third case provided with an operation unit different from the operation unit in the second case;
The rotation axis is
The portable terminal device according to claim 1, wherein the first casing, the second casing, and the third casing are independently rotated on substantially the same plane. A third case provided with an operation unit different from the operation unit in the second case;
The rotation axis is
A first rotating shaft for rotating the first casing and the second casing on substantially the same plane;
The portable terminal device according to claim 1, wherein the second casing and the third casing are configured by a second rotating shaft that rotates the substantially same plane.

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