JPH10200605A - Communication terminal equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication terminal equipment in which a sufficient display area is reserved, while one-hand operation is made available. SOLUTION: This terminal equipment 1 is made up of an equipment main body 2 and a cover 3 freely supported to a lower end of the equipment main body 2 in an opening/closing available way. Major circuit sections and a secondary battery are built in the equipment main body 2, and a key entry section such as a circular cursor key 9, a release key 10, an enter key 11, a speech key 12 and a stop key 13 is arranged on the equipment main body 2. On the other hand, the cover 3 is supported on the lower end of the equipment main body 2 by a hinge 27, and a display section 30 is placed nearly in the middle of the cover 3. Each key is operated by extending a thumb of one hand, gripping the equipment main body 2 without using the fingers of the other hand. Since a plurality of keys requiring unavoidably large arrangement area are arranged on the equipment main body 2, the display section 30 placed on the side of a cover 2 is made larger in size, to sufficiently reserve its display area.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal comprising a main body and a lid.

[0002]

2. Description of the Related Art Heretofore, there has been known a portable communication terminal such as a PHS in which an openable and closable lid is pivotally supported at one end of a device body. As a mobile communication terminal having this lid,
A small screen type and a large screen type are in practical use. For small screen type terminals,
A main circuit board, a speaker, a plurality of keys and a display unit are arranged on the device body side, and a microphone is arranged on the lid side. Then, when not in use, the lid is closed to cover and protect the plurality of keys and the display unit and to reduce the size. In use, the lid is opened so as to be continuous with one end of the device main body, and a plurality of keys are operated while visually recognizing the display unit, or sound is input through a microphone while listening to sound from a speaker.

On the other hand, in a large screen type terminal, a main circuit board, a display section and a speaker are arranged on the main body of the apparatus, and a microphone and a plurality of keys are arranged on a lid. In other words, by arranging a plurality of keys that require a large layout area on the lid side and arranging the display unit on the device body side, it is possible to increase the size of the display unit. When not in use, the cover is closed to cover and protect the display unit and downsize, and when used as a telephone, the cover is opened to connect to the whole area of the device main body to listen to the sound from the speaker. And input voice through a microphone. When sending and receiving an e-mail, the user operates a plurality of keys while visually recognizing the display unit to input data to be transmitted.

[0004]

However, in such a conventional terminal, since a plurality of keys are arranged on the device body side in the former, the device body is held with one hand and the thumb of the one hand is used. While one-handed key operation is possible, the display unit is also located on the device body side, so the area of the display unit is relatively reduced, and it is not suitable for displaying the text etc. of sent and received mail . On the other hand, in the latter, since a plurality of keys are arranged on the lid side, the area of the display unit arranged on the device main body side is sufficiently secured, so that it is suitable for displaying texts and the like of mail to be transmitted and received. On the other hand, when performing key operations, the device main body must be held with one hand and the keys on the lid side must be operated with the other hand, so that one-handed operation is not possible.

The present invention has been made in view of such conventional problems, and has as its object to provide a communication terminal capable of ensuring a sufficient display area while allowing one-handed operation. It is.

[0006]

According to the first aspect of the present invention, there is provided an apparatus main body and a closed state which is pivotally supported at one end of the apparatus main body and covers a front surface of the apparatus main body. In a communication terminal having a lid connected to the one end and capable of being opened and closed in an open state to expose an inner surface thereof, a main circuit unit including a communication circuit of the terminal and a key operation unit on the device main body side. On the other hand, a display unit for displaying various information is disposed on the inner surface on the side of the lid. In such a configuration, since the main circuit portion is arranged on the device main body side, the device main body becomes heavier than the lid.
Therefore, when the lid is opened, the center of gravity is deviated toward the device main body side, so that the terminal device is used by gripping the device main body side. At this time, since the key operation unit is provided on the device main body side, the key operation can be performed with one finger holding the device main body. In addition, if the key operation unit having an unavoidably large arrangement area is arranged on the device body side, it is possible to enlarge the display unit arranged on the lid side and sufficiently secure the display area.

According to a second aspect of the present invention, in the communication terminal capable of executing a plurality of functions, the plurality of functions are operated with one key, and the keys are operated at one end of the communication terminal or at one end thereof. It is arranged so that it can be operated from the adjacent end. Therefore, the communication terminal can be held with one hand, and key operation can be performed with one thumb or the end adjacent thereto, for example, with the thumb, and a plurality of functions are executed by the key operation with the thumb.

According to a third aspect of the present invention, a key for operating only a predetermined function of the plurality of functions can be operated from one end of the communication terminal or one of ends adjacent thereto. It is arranged. Therefore, as described above, the communication terminal can be gripped with one hand, and key operation can be performed from one end or an end adjacent thereto with, for example, a thumb. At this time, since only a predetermined function is executed by a key operation with a specific finger, it becomes possible to execute the predetermined function by operating the key without visual confirmation as the user gets used to the operation. .

In the invention according to claim 4, the keys are arranged along a line intersecting a line parallel to the end of the device. Therefore, hold this communication terminal with your left hand,
When the thumb is operated, the keys fall within the operation range of the thumb, and the key operation can be performed with the left thumb while holding the communication terminal.

In a communication terminal having a rectangular display device, a plurality of functions can be executed when a predetermined function among the plurality of functions is executed. Is displayed in the longitudinal direction of the rectangular display device, and when executing a function different from the predetermined function among the plurality of functions, data is displayed in the lateral direction of the rectangular display device. Therefore, when executing the predetermined function, the data is displayed in the longitudinal direction of the rectangular display device, so that one line length becomes sufficient, and the data can be displayed with a sufficient one line length. When executing a different function, the data is displayed in the short direction of the rectangular display device, so that the data can be displayed in a large number of rows.

Further, in the invention according to claim 6, the plurality of functions include at least a communication function, and when an incoming call is detected by the communication function, data is transferred in a short direction of the rectangular display device. indicate. Therefore, when an incoming call is received, data is displayed in the short direction of the rectangular display device, so that a large number of lines can be displayed on one screen.

Further, in the invention according to claim 7, the plurality of functions include a plurality of communication functions, and when an incoming call by a predetermined communication function is detected among the plurality of communication functions, data is transmitted. An image is displayed in the short direction of the rectangular display device. Therefore, when data is displayed in the short direction of the rectangular display device at the time of an incoming call, it can be seen at a glance whether or not the incoming call is due to the predetermined communication function.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In this embodiment, the present invention is applied to a PHS terminal. As shown in FIGS. 1 to 5, a terminal 1 has an apparatus main body 2 and a lower end portion of the apparatus main body 2 which are pivotally supported to open and close. It is configured with the lid 3 that is provided. Equipment body 2
The cover 3 and the lid 3 are both vertically long, and the device main body 2 includes an RF module 4 and a main PCB as shown in FIG.
5. This terminal 1 such as a button PCB 6 has a main circuit section, a rechargeable battery 18 and a ringer 19 built therein, and a speaker 7 built therein. An upper ridge 28 extending in the direction is formed at the upper end of the front surface 2a of the device body 2, and the speaker 7 is connected to the upper ridge 28.
Is built in the device main body 2 so that a part thereof is located below the main body.

An annular ridge line 8 is formed substantially at the center of the front surface 2a of the device main body 2, and the outside and the inside are gently lowered with the ridge line 8 as a top. A circular cursor key 9 is arranged at the center of the portion surrounded by the annular ridge line 8. This cursor key 9
A circular concave portion 9a is formed at the center, and when pressing the upper, lower, left, and right parts of each arrow shown in the figure, the pressed parts are displaced downward, and a signal when the parts are displaced downward is indicated by the button PCB6 using the cursor. It is configured to be detected as a movement instruction signal. Along the ridge line 8, a release key 10 and an enter key 11 are arranged on the upper side, and a call key 12 and an off key 13 are arranged on the lower side. This release key 1
0, the enter key 11, the call key 12, and the off key 13 are parallel to an end (for example, 2b) of the device body 2 (for example, A-line).
A) is arranged along a line inclined with respect to A) (for example, A'-A '). In this arrangement, the device main body 2 is arranged with the left hand such that the key is within the operating range of the thumb so that the key can be easily operated from the end (vertical direction in the drawing) with the thumb. Furthermore, when the device is used in the vertical or horizontal direction (for example, the vertical direction is used as a telephone and the horizontal direction is used as a PDA), keys related to functions used in both directions (cursor key 9, release key) 9, a decision key) is arranged so that it can be operated from the vertical end 2b or the horizontal end 2c, and keys related to functions used in either of them (in this case, a telephone call key 12 for a telephone, an off key 13). ) Is operably arranged only from one end (in this case, 2b).

Further, below the call key 12, an ON key 14, an OFF key 15, a catch key 16, and a hold key 17 are arranged in a horizontal direction. One round projection 14a on the surface of the ON key 14, two round projections 15a on the surface of the OFF key 15, a horizontal bar projection 16a on the surface of the catch key 16, and a square projection on the surface of the hold key 17. 1
7a are formed. The on / off of each of the keys 10 to 17 is performed by pressing the button
Detected by CB6.

As shown in FIG. 2, a slide switch 20 and a strap 22, which are operated when the cover 3 is opened, are provided on the left side of the main body 2. Further, on the upper surface of the device main body 2, as shown in FIG.
3. Antenna 24 and incoming lens 25 illuminated when receiving an incoming call
Are arranged, and a touch pen 26 used when performing a pen touch operation on the display unit 30 described later is detachably fitted. In addition, IrDA23, antenna 2
4. The incoming lens 25 and the like are connected to the main PCB 5.

On the other hand, as shown by a broken line in FIG. 2, the lid 3 is in a closed state in which its inner surface 3a is in contact with the front surface 2a of the device main body 2, and as shown by a solid line in FIG. 2 is openable and closable to an open state connected to the lower end of the hinge 27.
Thus, it is pivotally supported at the lower end of the device main body 2. In the open state, as shown in FIGS. 2 and 3, the outer surface 3b is pivotally supported so as to be flush with the back surface 2b of the device main body 2, and the lower end of the device main body 2 has a hinge 27. The lower protruding portion 29 is formed at the portion where the is inserted.

On the inner surface 3a of the lid 3, a display section 30 is disposed at a substantially central portion thereof, and a slit 31 is formed below the display section 30. The display unit 30 is composed of a touch panel and is capable of liquid crystal display and touch detection. A sub-PCB 32 having a circuit for driving the display unit 30 and a circuit for detecting touch is built in the lid 3. ing. Further, a microphone 33 is disposed on the lid 3 below the slit 31, and the microphone 33 is connected to an audio input circuit of the sub PCB 32. The sub PCB 32, the main PCB 5 and the button PCB 6 are connected to the RF module 4,
The module 4 is supplied with power from a rechargeable battery 18.

FIG. 6 is a block diagram showing a circuit configuration of the terminal 1. The antenna 24 is connected to a transmission / reception unit 34. The transmission / reception unit 34 includes a frequency conversion unit and a modem. The frequency conversion unit, on the receiving side,
A signal input from the antenna 24 is input via an antenna switch for distributing transmission / reception, and is mixed with a local oscillation signal of a predetermined frequency output from the PLL synthesizer to be frequency-converted into an IF signal near 1.9 GHz. You. On the transmitting side, π / 4 input from the modem
By mixing the modulated wave of the shift QPSK with a local oscillation signal of a predetermined frequency output from the PLL synthesizer, the frequency is converted into a 1.9 GHz band and radiated from the antenna 24 via the antenna switch. On the receiving side of the modem, the IF signal from the frequency conversion unit is demodulated and separated into IQ data, which is transferred to the communication control unit 35 as a data string. On the transmission side, IQ data is created from the data transferred from the communication control unit 35, and π / 4 shift QPSK is generated.
And outputs the result to the frequency conversion unit.

The communication control unit 35 processes frame synchronization and slot data format. That is, on the receiving side, data for one slot is extracted at a predetermined timing from the received data transmitted from the modem of the transmission / reception unit 34, and a unique word (synchronization signal) is extracted from the data.
Is extracted, the frame is synchronized, and the control data section and the audio data section are descrambled. Then, the control data is sent to the control section 37, and the audio data is transferred to the audio processing section 36. On the transmitting side, control data and the like are added to the voice data transferred from the voice processing unit 36 to create the data, and after scrambling and the like, a unique word and the like are added to generate transmission data for one slot. It is inserted into a predetermined slot in the frame at a predetermined timing and transmitted to the modem of the transmission / reception unit 34.

The voice processing unit 36 is composed of a speech codec and a PCM codec. The speech codec performs compression / expansion processing of digital data. On the receiving side, the A transmitted from the communication control unit 35 is transmitted.
DPCM audio signal (4bit × 8KHz = 32Kbp)
s) is converted to a PCM audio signal (8 bits × 8 KHz = 64 Kb)
ps) and decompressed and output to PCM codec. On the transmission side, the PCM audio signal sent from the PCM codec is encoded into an ADPCM audio signal, compressed and output to the communication control unit 35. The PCM codec performs an analog / digital conversion process. On the receiving side, the PCM audio signal sent from the speech codec is D / A converted and the analog audio signal is output to the speaker 7. On the transmitting side, the analog audio signal input from the microphone 33 is converted to A /
D-converted and output PCM audio signal to speech codec.

The control section 37 receives key operation information from a key input section 40 composed of the keys 9 to 17. The control unit 37 operates based on the key operation information and the program stored in the ROM 38 while using the RAM 39 as a work area, and controls the entire apparatus including the display unit 30 according to a predetermined protocol.

In the present embodiment having the above-described configuration, when not in use, the lid 3 is folded in a closed state in which the inner surface 3a is in contact with the front surface 2a of the device main body 2 as shown by a broken line in FIG. This makes it compact when carried. Then, when making a telephone call, when the slide switch 20 is operated with the antenna 24 side upward, the cover 3 is opened, and the front surface 2 a of the device body 2 and the inner surface 3 of the cover 3 are opened.
a is exposed. In this open state, the main circuit portion is arranged on the device main body 2 side, so that the device main body 2 is heavier than the lid 3 and the center of gravity is biased toward the device main body 2 side.
Therefore, the terminal 1 is used while being held by the device main body 2 side. When the device body 2 is gripped with one hand in the vertical direction with the device body 2 at the top and the lid 3 at the bottom, an upper ridge 28 and a lower ridge 29 are provided on the front surface of the device 2. Therefore, these raised portions 28,
The presence of the hand between the 29 causes a blip feeling to the user, and the device main body 2 can be gripped in a stable state.

Also, if the thumb of one hand holding the main body 2 of the device is extended, the finger of the other hand can be used.
Each of the keys 9 to 17 can be operated. At this time, when the cursor key 9 is operated, since the cursor key 9 is disposed at a substantially central portion on the front surface 2a of the device main body 2, when the user holds the device main body 2 with one of the right and left hands. In addition, the operation of the cursor key 9 can be performed by the thumb operation with the same operation feeling. Moreover, since the cursor key 9 is arranged inside the annular ridge line 8,
The thumb can be easily moved to the cursor key 9 by moving the thumb of one hand gripping the device main body 2 while making contact with the front surface 2a and sensing the ridgeline 8 by touch of the thumb. The operation can be started without visually confirming the position of the key 9. In addition, since a circular concave portion 9a is formed at the center of the cursor key 9, even when the cursor key 9 is not visually observed at the time of operation,
The top, bottom, left and right of the cursor key 9 can be identified by touch at the periphery of the concave portion 9a. Therefore, the cursor displayed on the display unit 30 can be moved in a desired direction by pressing each part of the cursor key 9 while viewing only the display unit 30 without looking at the cursor key 9.

When operating the release key 10, the enter key 11, the call key 12, and the off key 13, the cursor key 9 is located by touch as described above, and then the thumb is rolled around the periphery. By doing so, the thumb can reach any of the desired keys 10 to 13 without the need for visual inspection, and the operation can be performed without any visual observation.

Then, with the start of the call, when the terminal 1 is set in the vertical direction and the speaker 7 of the device main body 2 is placed on the ear and gripped, the upper ridge 28 causes the terminal 1 to move downward. The shift can be prevented, and the communication can be performed for a long time without the shift of the terminal 1. On the surfaces of the ON key 14, the OFF key 15, the catch key 16, and the hold key 17, different projections 14a, 15a, 16
a, 17a are formed, so that each of these projections 1
By touching the keys 4a to 17a, the types of the keys can be recognized without visual inspection, and even when the user is talking, the keys 14 to 17 can be easily operated.
During a call, the front face 2a of the device body 2 touches the user's face, but the inner face 3a of the lid 3 does not touch the face. Instead, the display unit 30 can be kept clean.

On the other hand, when the terminal 1 is used for transmitting and receiving data such as e-mails, the back surface 2b of the device body 2 and the outer surface 3b of the cover 3 are placed in the open state, and the terminal 1 is placed on a flat surface such as a desk. Put on. Then, in this open state, the back surface 2b of the device main body 2 and the outer surface 3b of the lid 3 are flush with each other.
The terminal device 1 is in a stable state on a plane such as a desk. Therefore, the surface of the display unit 30 is pressed by the touch pen 26 which has been pulled out from the device
Even if the user operates ~ 17, the terminal 1 does not shake,
Necessary operations can be performed in a stable state.

On the other hand, the control section 37 controls the data display direction on the display section 30 by operating according to the flowchart shown in FIG. That is, the control unit 37
Determines whether or not to execute the telephone function based on the operation information of the various keys 9 to 17 and the call signal of the incoming call (step A1). When the user performs a key operation necessary for making a telephone call or performs a telephone function such as receiving an incoming call signal, the terminal 1 is set in the horizontal direction (vertical direction). In the short direction of the long direction display unit 30), the display unit 30 is set to display data (step A2). Therefore,
By the processing in step A2, as shown in FIG. 1, data is displayed in the X direction on the vertically long rectangular display unit 30, whereby a large number of lines can be displayed on one screen. Therefore, for example, by displaying the telephone number line by line,
Many phone numbers can be displayed neatly.

If the result of the determination in step A1 is that the execution of another information processing function is not the execution of the telephone function, for example, the transmission and reception of e-mail, the terminal 1 is moved in the horizontal direction. The data is set to be displayed on the display unit 30 in the horizontal direction (longitudinal direction of the long direction display unit 30) in the state (step A3). Therefore, by the processing in step A3, as shown in FIG. 1, data is displayed on the vertically long rectangular display unit 30 in the Y direction. At this time, the display unit 30 turns the terminal 1 in the horizontal direction. Since the document is horizontally long, if a document is displayed in the horizontal direction on the horizontally long display unit 30, the length of one line becomes sufficient, and the sentence can be clearly displayed with a sufficient length of one line. . Moreover, since the plurality of keys 9 to 17 which inevitably require a large arrangement area are arranged on the device body 2 side, the display unit 30 arranged on the lid 2 side is enlarged to reduce the display area. A sufficient area can be secured, and a sufficient display area for data to be transmitted and received can be secured. Of course, when sending and receiving e-mail,
If the device main body 2 is gripped with one hand in a horizontal state in which the front surface 2a and the inner surface 3a are used as information, it is possible to operate the keys 9 to 17 with this one-handed thumb. You can also send and receive.

The control section 37 controls the data display direction on the display section 30 by operating according to the flowchart shown in FIG. That is, the control unit 3
7 detects whether or not there is an incoming call, and if there is an incoming call, determines whether the incoming call is incoming by telephone or incoming by e-mail (step B1). When it is determined that the incoming call from the other party is an incoming call, the display unit 30 is displayed in the horizontal direction with the terminal 1 in the vertical direction (the short direction of the display unit 30).
(Step B)
2). Therefore, by the process of step B2, as shown in FIG. 1, the data is displayed in the X direction on the vertically long rectangular display unit 30, whereby a large number of lines can be displayed on one screen.

If it is determined in step B1 that there is no incoming call or that the incoming call is received by e-mail, the data is displayed on the display unit 30 in the horizontal direction with the terminal 1 in the horizontal direction (longitudinal direction of the display unit 30). Is set to be displayed (step B3). Therefore, this step B3
As a result, as shown in FIG. 1, data is displayed in the Y direction on the vertically long rectangular display unit 30.

In the above embodiment of the display control, data is displayed in the horizontal direction, but may be displayed in the vertical direction. In this case, the use direction of the terminal 1 is different between the telephone and the e-mail. That is, in the case of a telephone function or incoming call, the data is used in the horizontal direction, and the data is displayed in the vertical direction on the display unit. In the case of the e-mail function or the incoming mail, the data is used in the vertical direction, and the data is displayed in the vertical direction. Display in the direction.

[0033]

As described above, according to the present invention, the main circuit portion and the key operation portion of the terminal are arranged on the device main body side, while the lid is pivotally supported at one end of the device main body so as to be openable and closable. A display unit for displaying various information is arranged on the inner surface of the body. Therefore, since the center of gravity is biased toward the device main body side, the key operation can be performed with one hand by gripping the device main body side and using a finger of one hand holding the device main body.
In addition, since the key operation unit having an unavoidably large arrangement area is arranged on the device main body side, the display unit arranged on the lid body can be enlarged, and the display area can be sufficiently secured. In addition, it is possible to secure a sufficient display area while enabling one-handed operation.

Further, a plurality of functions are operated with one key,
Since the key is arranged so that it can be operated from one end of the communication terminal or an end adjacent thereto, the communication terminal is gripped with one hand and key operation is performed from one end or the end adjacent thereto with, for example, a thumb. And a plurality of functions can be executed by a simple key operation with a single finger. In addition, a key for operating only a predetermined function among a plurality of functions is arranged so that the key can be operated from one end of the communication terminal or one end adjacent thereto, so that the communication terminal is grasped with one hand and specified. By operating the key with this finger, it becomes possible to execute a predetermined function by operating the key without visually confirming the operation as the user gets used to the operation. Furthermore, since the keys are arranged along a line that intersects a line parallel to the end of the device, when the communication terminal is held with the left hand and the thumb is operated, the operation range of the thumb is The key can be held in the communication terminal, and the key can be operated with the left thumb.

When a predetermined function among a plurality of functions is executed, data is displayed in the longitudinal direction of the rectangular display device. When a function different from the predetermined function among the plurality of functions is executed, the data is displayed. Display is made in the short direction of the rectangular display device. Therefore, when executing the predetermined function, the data is displayed in the longitudinal direction of the rectangular display device, so that one line length becomes sufficient, and the data can be displayed with a sufficient one line length. When executing a different function, the data is displayed in the short direction of the rectangular display device, so that the data can be displayed in a large number of rows. Therefore, the data display with one line length sufficient according to the function, and the data display with many lines,
Data can be displayed in an easy-to-view form. Also,
When an incoming call is detected by the communication function, the data is displayed in the short direction of the rectangular display device.When an incoming call is received, the data is displayed in the short direction of the rectangular display device. Display becomes possible. Further, when an incoming call is detected by a predetermined communication function among a plurality of communication functions, data is displayed in a short direction of the rectangular display device, so that data is displayed in a short direction of the rectangular display device when an incoming call is received. This makes it possible to identify at a glance whether or not the call has been received by the predetermined communication function.

[0036]

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment of the present invention when a cover is opened.

FIG. 2 is a left side view of FIG.

FIG. 3 is a right side view of FIG. 1;

FIG. 4 is a plan view of FIG. 1;

FIG. 5 is a bottom view of FIG. 1;

FIG. 6 is a block diagram illustrating a circuit configuration according to an embodiment of the present invention.

FIG. 7 is a flowchart illustrating a processing procedure of a control unit.

FIG. 8 is a flowchart illustrating another processing procedure of the control unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Terminal 2 Device main body 2a Front 2b Back 3 Lid 3a Inner surface 3b Outer surface 4 RF module 5 Main PCB 7 Speaker 8 Edge line 9 Cursor key 9a Depression 30 Display part

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04M 1/56 H04B 7/26 V

Claims (7)

[Claims] An apparatus has a main body and a cover pivotally supported by one end of the main body and covering the front surface of the main body, and an openable state connected to the one end and exposing an inner surface thereof. In the communication terminal, a main circuit unit including a communication circuit of the terminal and a key operation unit are arranged on the device main body side, and a display unit for displaying various information is arranged on the inner surface on the lid side. A communication terminal characterized by the following. 2. A communication terminal capable of executing a plurality of functions, wherein the plurality of functions are operated by one key, and the keys are arranged so as to be operated from one end of the communication terminal or an end adjacent thereto. A communication terminal characterized by the above-mentioned. 3. The communication terminal according to claim 2, wherein a key for operating only a predetermined function of the plurality of functions is arranged to be operated from one end of the communication terminal or one of ends adjacent thereto. Communication terminal. 4. The communication terminal according to claim 1, wherein the keys are arranged along a line intersecting a line parallel to an end of the device. 5. A communication terminal capable of performing a plurality of functions and having a rectangular display device, wherein when performing a predetermined function among the plurality of functions, data is displayed in a longitudinal direction of the rectangular display device. A communication terminal for displaying data in a short side direction of the rectangular display device when executing a function different from a predetermined function among the plurality of functions. 6. The apparatus according to claim 5, wherein the plurality of functions include at least a communication function, and when an incoming call is detected by the communication function, data is displayed in a short direction of the rectangular display device. Communication terminal. 7. The plurality of functions include a plurality of communication functions, and when an incoming call is detected by a predetermined communication function among the plurality of communication functions, data is displayed in a short direction of the rectangular display device. The communication terminal according to claim 5, wherein: