JP4618764B2 - Mobile device - Google Patents

Description

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

A conventional mobile phone slidably holds a second casing provided with a display portion on one side with respect to a first casing having operation keys arranged on one side. The operation key is externally arranged side by side with one surface of the first housing and one surface of the second housing from a key concealed state in which the entire surface and the entire one surface of the second housing are opposed to each other. The key can be slid until the key is exposed (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2003-110675 (page 2, FIG. 1)

  By the way, in the mobile phone having such a configuration, the first casing is held with one hand even if the second casing is slid with respect to the first casing to be in either the key concealed state or the key exposed state. Has been used.

  For this reason, the mobile phone having such a configuration has a problem that it is difficult to stably hold the casing because the entire weight of the casing is applied to one hand, and the one hand is tired even in a relatively short time.

  The present invention has been made in view of the above points, and intends to propose a portable terminal that can be stably held.

In order to solve this problem, in the present invention, the first and second housings are connected to the first housing surface of the first housing and the second housing of the second housing via the hinge portion. the closing direction and the first casing surface and terminal housing which can be opened and closed linked with forming the second casing surface in the opening direction to separate to a predetermined obtuse angle to oppose the body surface, the first housing A display panel provided on the surface of the first housing of the body with the other end of the panel surface positioned closer to the hinge part than the one end of the panel surface, and the first and second housings are opened via the hinge part. Displacement means for displacing the display panel to the second housing surface side of the second housing when operated to displace the display panel in a state where the entire panel surface of the display panel is exposed. If the display panel is not displaced even when the entire panel surface is exposed, the display panel When the display image is displayed so that the width direction of the display image coincides with the horizontal direction orthogonal to the vertical direction from one end of the display panel to the other end of the display panel, and the display panel is displaced via the displacement means, the display panel And a display control unit for displaying the display image by rotating it 90 degrees so that the width direction coincides with the vertical direction.

Thus, according to the present invention, when the display panel is not displaced , the first and second casings opened via the hinges are held with one hand and face the first and second casing surfaces . Allows users who viewed the display panel from the side to display a vertically long display image so that characters, graphics, etc. do not turn upside down or horizontally, and holds the first and second housings opened via the hinges when one hand to the tired, by displacing the display panel, to ensure a space for hold the first and second housing opened through the hinge portion in one hand and the other hand the The first and second housings opened through the hinge portion can be held with both hands, and at that time, the user who has viewed the display panel from the side facing the first and second housing surfaces , Horizontally long so that characters and figures do not turn upside down or sideways It is possible to show the display image.

According to the present invention, the first and second casings are opened via the hinge portion to expose the entire panel surface of the display panel provided on the first casing surface of the first casing . When the display panel is operated to be displaced in the state, the display panel is displaced to the second housing surface side of the second housing via the displacing means, and the entire panel surface of the display panel is moved. If the display panel is not displaced even in the exposed state, the display image is displayed on the display panel, and the width direction of the display image is matched with the horizontal direction perpendicular to the vertical direction from one end of the display panel to the other end of the panel. When the display panel is displaced via the displacement means, the display image is displayed on the display panel by rotating it 90 degrees so that the width direction coincides with the vertical direction. and it is not allowed to, a hinge portion The user who views the display panel from the first and second first and second housing surface the housing is held in one hand and the opposite side opened to the characters and graphics are upside down or sideways When the one hand holding the first and second housings opened via the hinge portion is tired, the display panel is displaced to displace the display panel through the hinge portion. with both hands the first and first and second housing to ensure a space for hold opened through the hinge portion in one hand and the other hand on the second housing is opened Te At the same time, the user who viewed the display panel from the side opposite to the first and second housing surfaces can display a horizontally long display image so that characters, figures, etc. do not turn upside down or horizontally. Portable end that can be held in a stable manner It can be realized.

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

(1) External configuration of a foldable mobile phone As shown in FIGS. 1A and 1B, reference numeral 1 denotes a foldable mobile phone as a mobile terminal to which the present invention is applied. A substantially rectangular first casing (hereinafter referred to as a display unit casing) 3 serving as a portion and a substantially rectangular second casing (hereinafter referred to as this) serving as the other end of the telephone casing 2. (Referred to as an operation unit housing) 4 is connected to the operation unit housing 4 via the hinge unit 5, and the display unit housing 3 is opposed to the operation unit housing 4 in the closing direction in which the surfaces indicated by the arrow A face each other. It is formed to be openable and closable in the opening direction that separates the surfaces opposite to each other.

  In this case, a flat rectangular display panel 6 composed of a liquid crystal display or the like is provided on one surface (hereinafter referred to as the front surface of the display unit housing) 3A of the display unit housing 3 in the longitudinal direction (hereinafter referred to as the following). , Which is referred to as the panel longitudinal direction) is provided substantially in parallel with the longitudinal direction of the display unit housing 3 (hereinafter referred to as the housing longitudinal direction). In addition to the remaining amount, telephone directory list, outgoing and incoming call history, current time, e-mail text, homepage, etc. can be displayed.

  In addition, a speaker 7 is provided in a slight space on one end side of the display panel 6 on the front surface 3A of the display unit housing, so that the voice or ringtone of the other party can be output via the speaker 7. Has been made.

  On the other hand, on one side of the operation unit casing 4 (hereinafter referred to as the operation unit casing front) 4A, a central portion includes operation keys such as a power key, a numeric key, a call key, and a call end key. An operation unit 8 including a jog dial capable of pressing operation is provided, and various commands can be input via the operation unit 8.

  A microphone 9 is provided on the other end side of the operation unit housing front surface 4 </ b> A with respect to the operation unit 8, so that the user's voice during a call can be collected by the microphone 9.

  Further, an earphone terminal 10 for connecting an earphone (not shown) is provided at a predetermined position on the right side surface 4B of the operation unit casing 4, and the earphone connected to the earphone terminal 10 is replaced with the speaker 7. It is also possible to output the voice or ringtone of the other party through the telephone.

  Furthermore, a radio communication antenna (not shown) used for a call or the like is housed inside the operation unit housing 4, and the base station (not shown) of the radio communication system is connected via the radio communication antenna. It is designed to be able to communicate.

  Furthermore, a television broadcast receiving antenna (not shown) for terrestrial digital television broadcasting is provided inside the operation unit casing 4 in addition to the above-described wireless communication antenna. Thus, a television broadcast signal transmitted from a broadcasting station (not shown) for digital terrestrial television broadcasting is received, and the program video of the digital terrestrial television broadcast is displayed on the display panel 6 and the program audio is transmitted through a speaker. 7 and the earphone can be used for output.

  In addition to this configuration, in the case of the foldable mobile phone 1, a panel displacement mechanism 20 for displacing the position of the display panel 6 is provided on the display unit housing front surface 3A as shown in FIG.

  In this case, the panel displacement mechanism 20 has a storage recess 21 formed in the display unit housing front surface 3A, and one of the widthwise directions of the storage recess 21 (that is, the direction orthogonal to the housing longitudinal direction) and On the other inner walls 21A and 21B, slide grooves 22A and 22B substantially parallel to the longitudinal direction of the casing are formed, respectively, and a panel posture changing member 23 is housed on the other end side.

  As shown in FIG. 3, the panel posture changing member 23 is provided with a pair of plate-like panel support portions 25 </ b> A and 25 </ b> B at one end of a box-shaped member main body 24, and at the other end of the member main body 24. A pair of disk-like hinge attachment portions 26A and 26B are provided.

  Further, the hinge mounting portions 26A and 26B are pivotally supported by the hinge portion 5 so as to be rotatable in the closing direction and the opening direction with their central axes substantially coincident with the central axis of the hinge portion 5, and are displayed on the operation portion casing 4. It is configured to be able to rotate independently of the rotating operation of the partial housing 3 in the closing direction and the opening direction.

  Further, the rotation shafts 27A and 27B are provided at the front ends of the panel support portions 25A and 25B, respectively, substantially parallel to the central axis of the hinge portion 5, and the panel mounting plate 28 is closed to the rotation shafts 27A and 27B. It is pivotally supported in a direction and an opening direction.

  The display panel 6 (FIG. 2) has slide projections 29A and 29B projecting from one end of the other side surfaces 6A and 6B in the width direction, and the slide projections 29A and 29B are opposed to the storage recess 21. The other end of the panel back surface 6C is attached to the panel mounting plate 28.

  Thereby, the panel displacement mechanism 20 is in a state in which the display unit housing 3 rotates in the closing direction with respect to the operation unit housing 4 and the operation unit housing front surface 4A and the display unit housing front surface 3A face each other (hereinafter, this The display unit housing 3 is simply rotated in the opening direction with respect to the operation unit housing 4 from the closed state so that the operation unit housing 4 and the display unit housing 3 are at the center of the hinge unit 5. A state where one end of the display panel 6 is abutted against an inner wall of one end of the storage recess 21 during normal use in a state where the shaft is opened to a predetermined obtuse angle (hereinafter referred to as an open state). Thus, the display panel 6 is integrated with the panel posture changing member 23 and stored in the storage recess 21 as shown in FIG.

  Further, as shown in FIGS. 4A to 4C and FIGS. 5A to 5C, the panel displacement mechanism 20 is configured so that the display panel 6 is in the open state of the operation unit casing 4 and the display unit casing 3. When the panel displacement is used, when the panel surface of the display panel 6 in the storage recess 21 is pushed so as to be shifted in the panel displacement direction from one end of the panel to the other end of the panel as indicated by the arrow B, the display One end of the panel 6 is slid in the panel displacement direction via the slide protrusions 29A and 29B and the slide grooves 22A and 22B.

  At this time, the panel displacement mechanism 20 rotates in the opening direction while interlocking with the slide of the display panel 6 while the panel mounting plate 28 is integrated with the display panel 6 and rotates the panel posture changing member 23 in the closing direction. As a result, one end of the panel is brought closer to the inner wall side of the other end in the recess 21 for storage, and the other end of the panel is projected onto the operation unit housing front surface 4A, and thus the display panel 6 is integrated into the recess 21 for storage. From the housed position, it can be displaced to a predetermined displacement position where the substantially central portion of the panel back surface 6C is opposed to the hinge portion 5.

  Positioning projections 30A and 30B are provided at the other end of the display panel 6, and the operation unit casing 4 and the display unit casing 3 are opened to a predetermined obtuse angle on the operation unit casing front surface 4A. In FIG. 5, protrusion locking holes 31A and 31B are formed at predetermined positions facing the positioning protrusions 30A and 30B.

  As a result, when the display panel 6 is displaced so as to protrude onto the operation unit housing front surface 4A, the panel displacement mechanism 20 engages by inserting the positioning protrusions 30A and 30B into the protrusion locking holes 31A and 31B, respectively. Thus, the displacement state of the display panel 6 can be stably maintained.

  Thus, in the folding cellular phone 1, when the panel displacement is used, the display panel 6 is displaced from the position where the display panel 6 is accommodated in the accommodating recess 21 to a predetermined displacement position where the central portion of the panel back surface 6C is opposed to the hinge part 5. Thus, a space for holding the housing with one hand and the other hand can be secured at one end of the display unit housing 3 and the other end of the operation unit housing 4, respectively.

  By the way, as shown in FIG. 6A, the foldable mobile phone 1 is displayed in a length in a direction perpendicular to the longitudinal direction of the display panel 6 (hereinafter referred to as a panel width direction) during normal use. A vertically long display image is displayed on the display panel in accordance with the width of the image.

  Therefore, when the display unit housing 3 and the operation unit housing 4 are positioned up and down during normal use and the operation unit housing 4 is held with one hand, the foldable mobile phone 1 A vertically long display image can be shown to a user who views the display panel 6 from the opposite side so that characters, figures, etc. do not turn upside down or horizontally.

  In addition, as shown in FIG. 6B, the foldable mobile phone 1 has a horizontally long display image on the display panel 6 by adjusting the width of the display image to the length in the longitudinal direction of the display panel 6 when using the panel displacement. Is displayed.

  At this time, the foldable mobile phone 1 displaces the display panel 6 to a predetermined displacement position so that one end of the display unit housing 3 and the other end of the operation unit housing 4 are respectively connected to one of the users (for example, the right side). ) And the other hand (for example, the left hand) secure a housing holding space for holding the telephone housing 2.

  Therefore, as shown in FIG. 7, the foldable mobile phone 1 positions the operation unit housing 4 and the display unit housing 3 on the left and right sides, and sets the housing holding space at the other end of the operation unit housing 4 as an example. The left thumb and other fingers are held so as to be sandwiched from the front surface 4A of the operation unit housing and the rear surface thereof, and the housing holding space at one end of the display unit housing 3 is held by the right thumb and other fingers. It can be held so as to be sandwiched from the display unit housing front surface 3A and the back surface thereof, and in this state, the user who visually observes the display panel 6 from the side facing the operation unit housing front surface 4A and the display unit housing front surface 3A It is possible to display a horizontally long display image such as a program video of terrestrial digital television broadcasting so that the image or figure does not turn upside down or horizontally.

  Further, when the panel mobile phone 1 is used, the foldable mobile phone 1 is not exposed to the display panel 6 that is displaced to a predetermined displacement position with respect to the operation unit 8 and is not exposed to the operation keys. By assigning various commands such as channel switching commands and volume adjustment commands for digital terrestrial television broadcasting, the display image can be switched even when the operation unit housing 4 and the display unit housing 3 are positioned on the left and right and are held by both hands. In addition, various commands for operating the folding mobile phone 1 can be inputted without any trouble.

(2) Circuit Configuration Next, the circuit configuration of the mobile phone 1 will be described with reference to FIG.

The cellular phone 1 stores, in a CPU (Central Processing Unit) 40, various programs such as basic programs and application programs, and various data such as phone book data (Read ROM).
Only Memory) 41, RAM (Random Access Memory) 42 used as a work area of the CPU 40, operation unit 8, displacement state detection unit 43 for detecting the displacement state of the display panel 6, and display for controlling the display direction of the display panel 6. A control unit 44, a wireless communication transmitting / receiving unit 45, a television broadcast receiving unit 46, a codec unit 47, and a video / audio processing unit 48 are connected.

  Then, the CPU 40 appropriately loads various programs from the ROM 41 in response to a call instruction such as a call instruction or an end instruction input via the operation unit 8 and a program viewing instruction such as a channel switching instruction or a volume adjustment instruction. These are read out, developed in the RAM 42 and executed, thereby controlling each circuit unit of the foldable mobile phone 1 and executing various processes in accordance with a call instruction and a program viewing instruction.

  In practice, in the call mode, the CPU 40 compresses and encodes a voice signal obtained by collecting the user's voice with the microphone 9 by the codec unit 47, and a wireless communication transmitting / receiving unit 45 for the encoded data obtained as a result. Then, after performing predetermined transmission processing such as modulation processing, the data is transmitted to the base station via the radio communication antenna 49.

  At this time, the CPU 40 receives a reception signal corresponding to the other party's voice transmitted from the base station by the wireless communication antenna 49 and loads the reception signal into the wireless communication transmission / reception unit 45. The demodulated data obtained as a result of performing predetermined reception processing such as demodulation processing is decoded by the codec unit 47 to obtain an audio signal, which is output via the audio output unit 51 including the speaker 7 and the earphone terminal 10. .

  Thereby, the CPU 40 is adapted to establish a call between the user and the other party.

  On the other hand, when a program viewing start command for digital terrestrial television broadcasting is input via the operation unit 8, the CPU 40 shifts to the program viewing mode accordingly.

  At this time, the CPU 40 controls the television broadcast receiving unit 46 in accordance with the channel number of the channel designated by the user via the operation unit 8, and the displacement state detection unit 43 detects the displacement state of the display panel 6. The display control unit 44 and the video / audio processing unit 48 are controlled accordingly.

  As a result, the television broadcast receiving unit 46 first selects a television broadcast signal of a channel designated by the user from a plurality of channels of television broadcast signals received by the television broadcast receiving antenna 50, and performs predetermined processing such as demodulation processing. In this way, digital data composed of a transport stream that has been generated in accordance with, for example, the MPEG (Moving Picture Experts Group) standard is regenerated and sent to the video / audio processing unit 48.

  The video / audio processing unit 48 separates the digital data regenerated by the television broadcast receiving unit 46 into compressed video data and compressed audio data, and decodes the compressed video data and the compressed audio data, respectively, thereby program video. Data and program audio data are generated.

  Here, the display panel 6 is selected so that the entire horizontally long portable broadcast program video for digital terrestrial television broadcasting can be displayed as it is when the size of the display screen is horizontal when viewed from the user when the panel displacement is used. ing.

  Therefore, the video / audio processing unit 48 detects the program video based on the program video data when the displacement state detection unit 43 detects that the display panel 6 is stored in the storage recess 21 (that is, during normal use). The reduced conversion video data is generated by reducing the entire program video so that the width of the program video matches the width of the display panel 6 by thinning out the pixels.

  The video / audio processing unit 48 converts the reduced conversion video data from digital to analog, sends the obtained reduced conversion video signal to the display panel 6 as it is via the display control unit 44, and converts the program audio data from digital to analog. Then, the obtained program audio signal is sent to the audio output unit 51.

  Thus, during normal use, the CPU 40 displays the reduced converted video based on the reduced converted video signal on the display panel 6 so that the width of the reduced converted video matches the width of the display panel 6 and the program audio based on the program audio signal. Is output from the speaker 7 or the earphone of the audio output unit 51, and the reduced conversion video is displayed on the vertically long display panel 6 when viewed from the user in a state where the display unit housing 3 and the operation unit housing 4 are positioned vertically. Can be displayed so that characters, graphics, etc. do not turn upside down or landscape.

  When the displacement state detection unit 43 detects that the display panel 6 has been displaced to a predetermined displacement position (that is, when the panel displacement is used), the video / audio processing unit 48 converts the program video data into digital / analog as it is. The obtained program video signal is sent to the display control unit 44, and the program video signal is rotated by 90 degrees parallel to the front of the panel of the display panel 6, and the obtained rotated program video signal is displayed on the display panel. 6, the program audio data is converted from digital to analog, and the obtained program audio signal is sent to the audio output unit 51.

  Thus, when the panel displacement is used, the CPU 40 displays the rotated program video based on the rotated program video signal on the display panel 6 by matching the width of the rotated program video with the length of the display panel 6 in the longitudinal direction, and the program audio signal. Is output from the speaker 7 or the earphone of the audio output unit 51, and the display panel 6 that is horizontally long when viewed from the user in a state where the operation unit casing 4 and the display unit casing 3 are positioned and held on the left and right. In addition, it is possible to watch the program by displaying the rotated program video so that the characters, figures, etc. are not upside down or sideways.

  In this manner, the CPU 40 arranges the display panel 6 with a desired program of digital terrestrial television broadcasting (vertical or horizontal arrangement) for the user regardless of whether the normal use or the panel displacement is used. Can be shown correctly.

(3) Operation and Effect In the above-described configuration, the foldable mobile phone 1 includes the panel displacement mechanism 20 when the panel displacement is used in the telephone housing 2 including the display unit housing 3 and the operation unit housing 4 in the open state. The display panel 6 is displaced from the storage position in the storage recess 21 of the display unit housing 3 to a predetermined displacement position on the operation unit housing 4 side.

  According to the above configuration, the foldable mobile phone 1 displaces the display panel 6 from one end of the phone casing 2 to a predetermined displacement position on the other end side, thereby A housing holding space can be secured in each of the first and second end portions.

  As a result, the foldable mobile phone 1 holds the case holding space secured at one end and the other end of the phone case 2 with respect to the user with one hand and the other hand, and holds it with both hands. Thus, the telephone housing 2 can be stably held.

  Further, the foldable mobile phone 1 displaces the display panel 6 to a predetermined displacement position in an open state in which the display unit housing 3 and the operation unit housing 4 are opened at an obtuse angle about the central axis of the hinge unit 5. Instead of holding the display unit housing 3 and the operation unit housing 4 with both hands, the state of the display unit housing 3 and the operation unit housing 4 is maintained even when the display unit housing 3 and the operation unit housing 4 are placed on a desk, for example. Can be used.

(4) Other Embodiments In the above-described embodiment, the program audio is output via the speaker 7 provided at one end of the display unit housing 3 and the earphone connected to the earphone terminal 10. However, the present invention is not limited to this, and program audio speakers 60A and 60B are provided at one end of the display unit casing front 3A and the other end of the operation unit casing front 4A as shown in FIG. A stereo speaker may be configured, and the program sound may be output via the program sound speakers 60A and 60B.

  In this case, the foldable mobile phone 1 can listen to the program sound with stereo sound without requiring the user to use the earphone.

  In the above-described embodiment, the case where the present invention is applied to the foldable mobile phone 1 having a program viewing function of digital terrestrial television broadcasting has been described. However, the present invention is not limited to this, and for example, the hinge unit 5 The present invention may also be applied to a foldable mobile phone 1 having a camera function provided with a camera. In this case, when shooting using the camera function, the display unit housing is used as in the case of using the panel displacement described above. By holding the body 3 and the operation unit housing 4 in the open state positioned on the left and right sides and holding them with both hands, it is possible to hold them in a more stable state than when holding them with one hand, thus preventing camera shake during shooting. can do.

  Furthermore, the present invention may be applied to the foldable mobile phone 1 having a game function. In this case, for example, as shown in FIG. 10, a cross key 61 for game operation is provided on the bottom surface of the recess 21 for storage, When playing a game, the display panel 6 is displaced and the cross key 61 is exposed in the open state in which the display unit housing 3 and the operation unit housing 4 are positioned to the left and right, thereby exposing the operation unit 8 and the cross key. 61 can be operated with the left and right hands, respectively, so that the operability when playing a game can be further improved.

  Furthermore, in the above-described embodiment, the case where the user displaces the display panel 6 by pushing down the upper part of the front surface of the display panel 6 in the panel displacement direction. However, the present invention is not limited to this. A panel displacement push button is provided on the right side surface 4B of the operation section housing, and a spring is provided in the hinge section 5 for rotating the panel posture changing member 23 in the closing direction in response to a pressing operation of the panel displacement push button. The display panel 6 may be displaced by pressing the panel displacement push button.

  Further, in the above-described embodiment, the case where the present invention is applied to the foldable mobile phone 1 as a mobile terminal has been described. However, the present invention is not limited thereto, and any device having a displacement mechanism for the display panel 6 can be used. Further, the present invention may be applied to various other portable terminals such as a non-folding integrated cellular phone, a PDA (Personal Digital Assistance), a notebook personal computer, and a portable game machine.

  Further, in the above-described embodiment, the case has been described in which the foldable mobile phone 1 is configured by the telephone casing 2 as the terminal casing, the display panel 6 as the display unit, and the panel displacement mechanism 20 as the displacing means. The present invention is not limited to this, and the foldable mobile phone 1 may be configured by various other terminal casings, display units, and displacement means.

  The mobile terminal of the present invention can be applied to a mobile phone having a program viewing function for digital terrestrial television broadcasting and a mobile game machine.

It is a basic diagram which shows the external appearance structure of the foldable mobile telephone in this invention. It is a basic diagram which shows the structure of a panel displacement mechanism. It is a basic diagram which shows the structure of a panel attitude | position change member. It is a basic diagram which shows the displacement of a display panel. It is a basic diagram which shows rotation of a panel attitude | position change member. It is a basic diagram which shows the usage example of a folding-type mobile telephone. It is a basic diagram which shows the example of holding | maintenance of a folding-type mobile telephone. It is a basic diagram which shows the circuit structure of a foldable mobile telephone. It is a basic diagram which shows the external appearance structure of the foldable mobile telephone which newly provided the speaker for program audio | voices in other embodiment. It is a basic diagram which shows the external appearance structure of the folding-type mobile telephone which newly provided the cross key in other embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Folding type mobile phone, 2 ... Telephone case, 3 ... Display unit case, 4 ... Operation unit case, 6 ... Display panel, 20 ... Panel displacement mechanism, 60A, 60B ... Speaker for program audio.

Claims (5)

A closing direction in which the first and second housings face the first housing surface of the first housing and the second housing surface of the second housing through the hinge portion, and the above A terminal housing formed by connecting the first housing surface and the second housing surface so as to be openable and closable in an opening direction separating them to a predetermined obtuse angle ;
A display panel provided on the surface of the first housing of the first housing with the other end of the panel surface positioned on the hinge part side rather than one end of the panel surface ;
In a state where the first and second housing is opened through the hinge portion to expose the whole the panel surface of the display panel and is operated to displace the display panel, the display panel Displacement means for displacing the second casing toward the second casing surface side of the second casing;
If the display panel is not displaced even when the entire panel surface of the display panel is exposed, the display image is displayed on the display panel at right angles to the vertical direction from the one end of the display panel to the other end of the panel. When the display panel is displaced via the displacement means, the display image is displayed on the display panel, and the width direction is aligned with the vertical direction. And a display control unit that rotates and displays 90 degrees. Above Symbol displacement means,
When the first and second housings are opened via the hinges and the entire panel surface of the display panel is exposed, the display panel is operated to displace the display panel. The mobile terminal according to claim 1, wherein the other end of the panel is displaced so that the other end of the panel protrudes onto the surface of the second casing. A plurality of operation keys arranged on the surface of the second casing of the second casing;
An assignment changing means for changing an assignment of instructions that can be input to the plurality of operation keys,
The displacement means is
When the first and second housings are opened via the hinges and the entire panel surface of the display panel is exposed, the display panel is operated to displace the display panel. Is displaced so as to cover a part of the operation keys arranged on the hinge part side among the plurality of operation keys,
The above allocation changing means is
When the display panel is displaced via the displacing means in a state where the first and second housings are opened via the hinge portion and the entire panel surface of the display panel is exposed, a plurality of The portable terminal according to claim 2, wherein assignment of the inputable command to the operation keys that are exposed to the outside without being behind the display panel among the operation keys is changed. When the display panel is displaced via the displacing means in a state where the first and second housings are opened to the obtuse angle via the hinge portion and the entire panel surface of the display panel is exposed, The portable terminal according to claim 3, further comprising a locking unit that locks the other end of the panel and a predetermined position on the surface of the second casing. 5. A pair of stereo speakers provided at one end of the first casing surface of the first casing and the other end of the second casing surface of the second casing. The portable terminal as described in.

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