JP4969360B2 - Mobile communication terminal - Google Patents

Description

  The present invention relates to a mobile communication terminal, and more particularly to a mobile communication terminal that controls, for example, state transition of the mobile communication terminal.

  An example of this type of device is disclosed in Non-Patent Document 1. According to this background art, the mobile communication terminal detects an open state and a closed state using an open / close sensor. The mobile communication terminal detects a state transition from the open state of the open / close sensor to the closed state, and detects a state transition of the open / close sensor from the closed state to the open state. And the mobile communication terminal sets a function (hereinafter referred to as an open call / closed call end function) that starts a call by a state transition from a closed state to an open state or ends a call by a state transition from an open state to a closed state. Is possible. Further, the slide mechanism of the mobile communication terminal has a slide assist mechanism that assists the slide from the closed state to the open state and the slide from the open state to the closed state by a spring mechanism.

According to the background art disclosed in Patent Document 1, the mobile communication terminal detects an open state and a closed state using two open / close sensors.
W51SA by SANYO Instruction Manual (page 52) JP 2006-74248 A [H04M 1/02]

  However, in the background art of Non-Patent Document 1, when the open call / close call end function is set using one open / close sensor, the state transition from the closed state to the open state and the close from the open state are performed in a very short time. When the state transition to the state is detected, there is a problem that the open call / close end function unintended by the user is executed.

  As a means for solving the above-mentioned problem, there is a method of using two open / close sensors as in the portable communication terminal of Patent Document 1, but it is necessary to increase the cost, secure a component mounting space, and add a CPU control port. Therefore, it is not a fundamental solution for portable communication terminals that are required to be downsized at a low price.

  Therefore, a main object of the present invention is to provide a novel portable communication terminal.

  Another object of the present invention is to prevent a call process / end call process unintended by the user from being executed when an open call / close end call function is set using one open / close sensor. It is to provide a mobile communication terminal.

  The present invention employs the following configuration in order to solve the above problems. The reference numerals in parentheses, supplementary explanations, and the like indicate the corresponding relationship with the embodiments described in order to help understanding of the present invention, and do not limit the present invention.

Connecting means for connecting the first case and the second case so that the state of the first case relative to the first case, the second case, and the second case can be changed, and detecting the open state and the closed state of the first case with respect to the second case detecting means for, incoming determining means for determining whether the incoming call, first detection means for detecting on the basis from the closed state of the first case to the second case the output of the detecting means a transition to the open state, the first detection Once detected an open state by the means, a first confirmation means for confirming the output of the detection means after a certain time, when it is confirmed that the output is opened condition detecting means by the first check means, opens for determining the open state state determination means, when it is determined that the incoming call by call determining means, when it is determined as an open state by the open state determining means, call processing execution means for executing a call process, determines whether it is busy The call determination means, the second detection means for detecting the transition from the open state of the first case to the closed state with respect to the second case based on the output of the detection means, and fixed when the closed state is detected by the second detection means A second confirmation unit for confirming the output of the detection unit after the time, a closed state determination unit for determining a closed state when the output of the detection unit is confirmed to be closed by the second confirmation unit, and a call by the call determination unit If it is determined that the closed state is determined by the closed state determination unit, the mobile communication terminal includes an end-call process execution unit that executes the end-call process .

In the first invention, the mobile communication terminal connects the first case and the second case so that the state of the first case with respect to the second case can be changed. The detecting means detects an open state and a closed state of the first case with respect to the second case. The incoming call determination means determines whether an incoming call is being received. The first detection means detects a transition from the closed state of the first case to the open state with respect to the second case based on the output of the detection means. The first confirmation means confirms the output of the detection means after a predetermined time when the first detection means detects the open state . Open state determining means, when it is confirmed that the output is opened condition detecting means by the first check means, for determining the open state. Call processing executing means, when it is determined that the incoming call by call determining means, when it is determined as an open state by the open state determining means executes a call process. The call determination means determines whether a call is in progress. The second detection means detects a transition from the open state to the closed state of the first case with respect to the second case based on the output of the detection means. The second confirmation unit confirms the output of the detection unit after a predetermined time when the second detection unit detects the closed state. The closed state determining means determines the closed state when the output of the detecting means is confirmed to be closed by the second confirmation means. When the call determination unit determines that the call is being made, the call termination process execution unit executes the call termination process when the closed state determination unit determines that the call is closed. For example, if the detection means is a single open / close sensor, and the predetermined time is 500 milliseconds, the open state determination means is one after 500 milliseconds when the output change of one open / close sensor occurs. When the output of the open / close sensor is confirmed to be in the open state, the output of the open / close sensor is determined as the open state.

According to the first invention, the confirmation means confirms the output of the detection means after a predetermined time after the detection means detects the output change of the detection means. The open state determining means determines the output of the detecting means as an open state when it is confirmed that the output of the detecting means is in an open state after a certain time from the change. The closed state determining means determines the output of the detecting means as an open state when it is confirmed that the output of the detecting means is in a closed state after a certain time from the change. Therefore, it is possible to prevent the call processing from being executed although the user does not intend.

The second invention is according to the first inventions, the display unit for displaying the e-mail, first mail determination means determines whether the electronic mail received on the display unit is displayed, and the first mail determination means when the received electronic mail is judged to be displayed on the display unit, when it is determined as an open state by the open state determining means further creation process execution means for creating an e-mail reply Prepare.

In the second invention, the display unit displays an electronic mail. The first mail determination unit determines whether the received electronic mail is displayed on the display unit. Creation processing execution means, the first mail determination unit, when the received electronic mail is judged to be displayed on the display unit, when it is determined as an open state by the open state determining means, reply Create an email for

According to the second invention, it is possible to prevent the e-mail creation process from being executed even though the user does not intend.

A third invention is according to the first invention, the display unit for displaying the electronic mail, the second mail determination means Shin an electronic mail transmission to determine whether it is displayed on the display unit, and a second mail determination when it is determined that the e-mail can be sent is displayed on the display unit by means and is determined as closed by the closed state determining means, the transmission processing execution means for executing the transmission processing of the electronic mail Is further provided.

In the third invention, the display unit displays an electronic mail. The closed state determination means determines the output of the detection means as a closed state when the confirmation means confirms that the output of the detection means is closed. The second mail determination means determines whether an e-mail that can be transmitted is displayed on the display unit. Transmission processing executing means, when it is determined that the e-mail can be sent is displayed on the display unit by the second e-mail determination unit, when it is determined as a closed state by the closed state determining means, e-mail Execute the transmission process.

According to the third invention, it is possible to prevent the e-mail transmission process from being executed even though the user does not intend.

A fourth invention is dependent on any one of the first to third inventions, and the connecting means includes a slide mechanism that slides the first case in a state where the first case is stacked on the second case. .

In the fourth invention, the slide mechanism slides the first case in a state where the first case is stacked on the second case.

A fifth invention is dependent on any one of the first to third inventions, and the connecting means is perpendicular to the main surface of the second case in a state where the first case is stacked on the second case. And a rotation mechanism that moves the first case with respect to one axis.

In the fifth invention, the rotating mechanism moves the first case with reference to one axis perpendicular to the main surface of the second case in a state where the first case is stacked on the second case.

A sixth invention is dependent on any one of the first to third inventions, and the connecting means includes a short side of the main surface of the second case in a state where the first case is laminated on the second case. A first hinge mechanism for moving the first case with respect to a parallel extending axis is included.

In the sixth invention, the first hinge mechanism moves the first case with reference to an axis extending in parallel with the short side of the main surface of the second case in a state where the first case is stacked on the second case.

A seventh invention is dependent on any one of the first invention to the third invention, and the mobile communication terminal is in a state of a cover for the first case instead of the cover and the connecting means instead of the second case. Cover connecting means for connecting the cover and the first case so as to allow transition is provided.

In 7th invention, a cover connection means connects a cover and a 1st case so that the state transition of the cover with respect to a 1st case is possible.

An eighth invention is according to the seventh invention, and the cover connecting means covers the axis on the basis of an axis extending in parallel with the short side of the main surface of the first case with the cover covering the main surface of the first case. A second hinge mechanism for moving

In the eighth invention, the second hinge mechanism moves the cover with reference to an axis extending in parallel with the short side of the main surface of the first case in a state where the main surface of the first case is covered by the cover.

  According to the present invention, it is possible to determine the output state of one detection means after a certain period of time after detecting the output change of one detection means. When the speech function is set, it is possible to prevent a call process / end call process unintended by the user from being executed.

  The above object, other objects, features, and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

  Referring to FIG. 1, mobile communication terminal 10 includes a key input device 26. When a call operation is performed by the key input device 26, the CPU 22 controls the radio communication circuit 14 corresponding to the CDMA system and outputs a call signal. The output call signal is transmitted from the antenna 12 and transmitted to the telephone of the other party via the mobile communication network including the base station. When the other party performs an incoming call operation, a call ready state is established.

  When a call end operation is performed by the key input device 26 after the transition to the call ready state, the CPU 22 controls the wireless communication circuit 14 to transmit a call end signal to the other party. After transmitting the call end signal, the CPU 22 ends the call process. Also when the call end signal is received from the call partner first, the CPU 22 ends the call process. Also, the CPU 22 ends the call process when a call end signal is received from the mobile communication network regardless of the call partner.

  When a call signal from a call partner is captured by the antenna 12 while the entire system is activated, the wireless communication circuit 14 notifies the CPU 22 of an incoming call. The CPU 22 outputs the caller information described in the incoming call notification from the LCD monitor 28, and outputs a ring tone from an incoming call notification speaker (not shown). When an incoming call operation is performed by the key input device 26, a call ready state is established.

  In the call ready state, the following processing is executed. The modulated audio signal (high frequency signal) sent from the other party is captured by the antenna 12. The captured modulated audio signal is subjected to demodulation processing and decoding processing by the wireless communication circuit 14. The received voice signal thus obtained is output from the speaker 18.

  The transmitted voice signal captured by the microphone 16 is subjected to encoding processing and modulation processing by the wireless communication circuit 14. The modulated audio signal generated thereby is transmitted to the other party using the antenna 12 as described above. Note that the mobile communication terminal 10 has a function of receiving an e-mail, and can display the contents of the e-mail on the LCD monitor 28. Furthermore, the mobile communication terminal 10 can also create an e-mail and an e-mail reply mail by operating the key input device 26, and execute the e-mail and reply mail transmission function.

  2A and 2B, mobile communication terminal 10 has cases C1 and C2 each formed in a plate shape. Cases C1 and C2 have substantially the same thickness.

  The LCD monitor 28 is attached to the case C1 so that the monitor screen is exposed on the outer surface of the case C1. The open / close sensor 24 is built in the case C2. The key input device 26 is attached to the case C1 and the case C2 so that the operation key group is exposed on the outer side surface of the case C1 and the inner side surface of the case C2.

  The slide mechanisms SL1 are provided at both ends in the width direction of the lower surface of the case C1 and at both ends in the width direction of the upper surface of the case C2. That is, the case C1 can slide in the length direction of the case C2 while being stacked on the case C2. The slide mechanism SL1 includes a slide assist mechanism that assists the slide from the closed state to the open state and the slide from the open state to the closed state by a spring mechanism.

  The open / close sensor 24 detects the open state and the closed state of the mobile communication terminal and outputs the detection result. The open state is determined when the open / close sensor 24 detects magnetism, and the closed state is determined when the open / close sensor 24 cannot detect magnetism. Magnetism is output from the magnet 30 for the open / close sensor 24. Further, the magnet 30 for the open / close sensor 24 has its magnetic force detected by the open / close sensor 24 in the state of FIG. 2B so that its magnetic force is detected by the open / close sensor 24 in the state of FIG. 2A. So as not to be detected.

  That is, FIG. 2A shows an external view of the mobile communication terminal 10 in a closed state, and FIG. 2B shows an external view of the mobile communication terminal 10 in an open state. Further, the CPU 22 makes an open / close determination when the open / close sensor 24 changes from the open state to the closed state, and when the open / close sensor 24 changes from the closed state to the open state, and immediately adopts the open / close determination result to thereby display on the LCD monitor 28. Rewrite.

  Therefore, in this embodiment, by giving a standby time between opening / closing determination and adoption of the opening / closing determination result, malfunction of the open call / close call end function (call processing / end call processing) is prevented. ing.

  Specifically, the CPU 22 makes an open / close determination when the open / close sensor 24 detects a state transition from the closed state to the open state and from the open state to the closed state, but does not adopt the open / close determination result. A wait process of 500 milliseconds is performed. Then, the output of the opening / closing sensor 24 after the weight processing is read, and when the opening / closing determination result matches the output of the opening / closing sensor 24 after the weight processing, the opening / closing determination is adopted. Also, when the open / close determination result does not match the output of the open / close sensor 24 after the weight process, the open / close determination result is discarded.

The CPU 22 executes in parallel a plurality of tasks including an open call task according to the flowchart shown in FIG. 3 and a closed call end task according to the flowchart shown in FIG. Control programs corresponding to these tasks are stored in the flash memory 20. First, the open call process will be described with reference to FIG. In step S1, the CPU 22 determines whether the mobile communication terminal is receiving a call. Here, if it is YES, it will progress to Step S3. In step S3, the CPU 22 determines whether or not the output of the open / close sensor 24 is in a closed state. If YES here, the process proceeds to step S5 to determine whether or not the output of the open / close sensor 24 has transitioned from the closed state to the open state. If "YES" here, the CPU 22 proceeds to a step S7 to make an open / close determination. The open / close determination result is stored in the flash memory 20 by the CPU 22.

  Subsequently, the CPU 22 proceeds to step S9, executes a wait process of 500 milliseconds, and proceeds to step S11. Subsequently, in step S11, the CPU 22 reads the output of the opening / closing sensor 24 after the wait process and determines whether or not it is in the open state. If “YES” here, the CPU 22 proceeds to step S 13 to adopt the open / close determination result stored in the flash memory 20 and erase the open / close determination result stored in the flash memory 20. Further, the CPU 22 proceeds to step S15 to start a call. That is, the mobile communication terminal is in an open state when the output state of the open / close sensor 24 is in an open state, and is ready for a call by processing an open call.

  If “NO” in the step S 11, the CPU 22 proceeds to a step S 17 to delete the open / close determination result stored in the flash memory 20 without adopting the open / close determination result stored in the flash memory 20. If NO in step S1, CPU 22 returns to step S1. Further, if “NO” in the step S3 or the step S5, the CPU 22 proceeds to a step S19 so as to determine whether or not a call start operation has been performed. If YES here, the CPU 22 proceeds to step S15. If NO in step S17, the CPU 22 returns to step S1.

  Next, with reference to FIG. 4, the closing end talk process will be described. In step S21, the CPU 22 determines whether the mobile communication terminal is busy. Here, if it is YES, it will progress to Step S23. In step S23, the CPU 22 determines whether the output of the open / close sensor 24 is in an open state. If YES here, the process proceeds to step S25 to determine whether or not the output of the open / close sensor 24 has transitioned from the open state to the closed state. If "YES" here, the CPU 22 proceeds to a step S27 to make an open / close determination. The open / close determination result is stored in the flash memory 20 by the CPU 22.

  Subsequently, the CPU 22 proceeds to step S29, executes a wait process of 500 milliseconds, and proceeds to step S31. Subsequently, in step S31, the CPU 22 reads the output of the opening / closing sensor 24 after the wait process, and determines whether or not it is in a closed state. If “YES” here, the CPU 22 proceeds to step S 33 to adopt the open / close determination result stored in the flash memory 20 and erase the open / close determination result stored in the flash memory 20. Further, the CPU 22 proceeds to step S35 to end the call. That is, in the mobile communication terminal that is in a call, the output state of the open / close sensor 24 is closed, and the call is terminated by the process of the closed call.

  If “NO” in the step S31, the CPU 22 proceeds to a step S37 to delete the open / close determination result stored in the flash memory 20 without adopting the open / close determination result stored in the flash memory 20. If NO in step S21, the CPU 22 returns to step S21.

  Further, if “NO” in the step S23 or the step S25, the CPU 22 proceeds to a step S39 to determine whether or not a call start operation is performed. If YES here, the CPU 22 proceeds to step S35. If NO in step S39, the CPU 22 returns to step S21.

  In this embodiment, an open call and a closed end call are set at the same time, but only an open call may be set or only a closed end call may be set. The open / close sensor 24 may be a non-contact switch using infrared rays or a contact switch using a mechanical switch, instead of a sensor that detects magnetic force.

  Needless to say, the communication method of the mobile communication terminal 10 is not limited to the CDMA method, but may be a PHS method, a TDMA method, or a W-CDMA method.

  Further, instead of the open call / close end function, an open reply / close transmission function (e-mail creation process / transmission process) may be set.

  In the open reply, when the content of the received electronic mail is displayed on the LCD monitor 28, the reply mail of the electronic mail displayed on the LCD monitor 28 when the output of the open / close sensor 24 changes from the closed state to the open state. It is a process to create. Close transmission is a function for transmitting an e-mail being created and a reply e-mail when the output of the open / close sensor 24 changes from an open state to a closed state when the e-mail of the e-mail being created is in a sendable state. It is.

  The CPU 22 executes in parallel a plurality of tasks including an open reply task according to the flowchart shown in FIG. 5 and a close transmission task according to the flowchart shown in FIG. 6, and a control program corresponding to these tasks is stored in the flash memory 20. Remembered. Further, the control steps included in the flowcharts of FIGS. 5 and 6 adopt the same step numbers as the flowcharts of FIGS. 5 and 6 when the control contents are the same as those of FIGS. 3 and 4.

  First, the open reply process will be described with reference to FIG. In step S1a, the CPU 22 determines whether the content of the e-mail is being displayed. If YES here, the CPU 22 proceeds to step S3. If NO, the CPU 22 returns to step S1a. Since the control contents in the case of YES in steps S3 and S5 are the same as the open call process shown in FIG. 3, the description thereof is omitted.

  Also, the control contents of steps S7 to S13 are the same as the open call process shown in FIG. If NO in step S3 and step S5, the CPU 22 proceeds to step S19a and determines whether an e-mail reply operation has been performed. If YES here, the CPU 22 proceeds to step S15a. If NO, the CUP 22 returns to step S1a. Subsequently, in step S15a, the CPU 22 displays an e-mail reply mail and returns to step S1a.

  Next, the close transmission process will be described with reference to FIG. In step S21a, the CPU 22 determines whether the e-mail being created is ready for transmission. In step S21a, the creation of a reply mail is also included. If YES in step 21a, the CPU 22 proceeds to step S23. If NO, the CPU 22 returns to step S21a. Since the control content in the case of YES in step S23 and step S25 is the same as the process of the closed talk shown in FIG. 4, the description is omitted.

  Further, the control contents of steps S27 to S33 are also the same as the process of the closed end talk shown in FIG. If NO in step S23 and step S25, the CPU 22 proceeds to step S39a and determines whether or not an e-mail transmission operation has been performed. In step S39a, a reply mail transmission operation is also included. If YES in step S39a, the CPU 22 proceeds to step S35a. If NO, the CUP 22 returns to step S21a. Subsequently, in step S35a, the CPU 22 transmits an e-mail and returns to step S21a. In step S35a, a reply mail is also included.

  As a result, when the open reply / close transmission function is set using one open / close sensor, it is possible to prevent the open reply / close transmission function not intended by the user from being executed. Furthermore, in the open reply function, reply mail creation processing is executed. However, not only reply mail creation but also electronic mail creation processing may be performed. For example, the e-mail creation process includes a transfer e-mail creation process for a received e-mail and a new e-mail creation process.

  Further, in this embodiment, the slide mechanism SL1 is adopted, but instead of this, the rotation mechanism K1 shown in FIGS. 7A to 7C is adopted, or FIGS. 8A and 8 are employed. A hinge mechanism H1 shown in (B) may be adopted. Furthermore, a cover CO1 may be provided instead of the case C2 shown in FIGS. 9A and 9B, and a hinge mechanism H2 may be employed.

  In the rotation mechanism K1 shown in FIGS. 7A to 7C, the axis AX1 extends in a direction perpendicular to the main surface of the case C1. Accordingly, the case C1 is variable with respect to the main surface of the case 2 in the range of 0 degrees to 360 degrees. The case C1 can take the posture shown in FIGS. 7A to 7C with respect to the case C2. The rotation mechanism K1 includes a state maintenance assist mechanism that assists in maintaining the closed state and maintaining the open state. 7A shows a closed state, and FIGS. 7B and 7C show an open state.

  In the hinge mechanism H1 shown in FIGS. 8A and 8B, a rotary one-axis hinge type hinge mechanism H1 is formed at one end in the length direction of the inner side surface of the case C2. The case C1 is coupled to the hinge mechanism H1 at the side surface at one end in the length direction, and is movable around an axis AX2 extending in parallel with the short side of the inner side surface of the case C2.

  The case C1 can take the posture shown in FIGS. 8A and 8B with respect to the case C2. In addition, hinge mechanism H1 includes a state maintenance assist mechanism that assists in maintaining the closed state and maintaining the open state. 8A represents a closed state, and FIG. 8B represents an open state.

  In the hinge mechanism H2 shown in FIGS. 9A and 9B, a rotating one-axis hinge type hinge mechanism H2 is formed at one end in the length direction of the main surface of the case C1. The cover CO1 is coupled to the hinge mechanism H2 at one side in one end in the length direction, and is movable around an axis AX3 extending in parallel with the short side of the main surface of the case C1.

  The LCD monitor 28 is attached to the case C1 such that the monitor screen is exposed on the outer surface of the case C1. The open / close sensor 24 is built in the case C1 so as to be hidden by the cover CO1. The key input device 26 is attached to the case C1 so that the operation key group is exposed on the outer surface of the case C1. The magnet 30 is built in the cover CO1 so that a magnetic force can be input to the open / close sensor 24 in the closed state.

  The cover CO can take the posture shown in FIGS. 9A and 9B with respect to the case C1. Hinge mechanism H2 includes a state maintenance assist mechanism that assists in maintaining the closed state and maintaining the open state. 9A shows the closed state, and FIG. 9B shows the open state.

It is a block diagram which shows one Example of this invention. (A) is a perspective view showing the external appearance of the first embodiment taking a certain posture, and (B) is a perspective view showing the external appearance of the first embodiment taking another posture. It is a flowchart which shows a part of operation | movement of CPU applied to 1st Example. It is a flowchart which shows a part of other operation | movement of CPU applied to 1st Example. It is a flowchart which shows a part of operation | movement of CPU applied to 2nd Example. It is a flowchart which shows a part of other operation | movement of CPU applied to 2nd Example. (A) is a perspective view showing the appearance of the second embodiment in a certain posture, (B) is a perspective view showing the appearance of the second embodiment in another posture, (C) is the other It is a perspective view which shows the external appearance of 1st Example which takes this attitude | position. (A) is a perspective view showing the external appearance of the third embodiment taking a certain posture, and (B) is a perspective view showing the external appearance of the third embodiment taking another posture. (A) is a perspective view showing an appearance of the fourth embodiment taking a certain posture, and (B) is a perspective view showing an appearance of the fourth embodiment taking another posture.

Explanation of symbols

10 ... Mobile communication terminal 22 ... CPU
24 ... Open / close sensor 26 ... Key input device 28 ... LCD monitor 30 ... Magnet

Claims (8)

First case,
Second case,
Connecting means for connecting the first case and the second case so that the state of the first case relative to the second case can be changed;
Detecting means for detecting an open state and a closed state of the first case with respect to the second case;
Incoming call determination means for determining whether a call is being received,
First detection means for detecting on the basis of transition from the closed state of the first casing to the second casing to the open state output of said detection means,
A first confirmation means for confirming the output of the detection means after a predetermined time when the first detection means detects an open state ;
When it is confirmed that the output is opened condition of said detection means by said first confirming means, the open state determining means for determining the open state,
Wherein when it is determined that the incoming call by call determining means, when it is determined as an open state by said open state determining means, call processing execution means for executing a call process,
Call determination means for determining whether a call is in progress,
Second detection means for detecting a transition from the open state to the closed state of the first case with respect to the second case based on the output of the detection means;
A second confirmation means for confirming the output of the detection means after a predetermined time when the second detection means detects the closed state;
Closed state determining means for determining the closed state when the output of the detecting means is confirmed to be closed by the second confirmation means; and
A portable communication terminal, comprising: a call end process executing unit that executes a call end process when it is determined as a closed state by the closed state determining unit when the call determining unit determines that a call is in progress. A display for displaying e-mails,
A first mail determining means for determining whether the received e-mail is displayed on the display section; and when the received e-mail is determined to be displayed on the display section by the first mail determining means , when determined as an open state by said open state determining means further includes a creation process execution means for creating an e-mail reply, claim 1 Symbol placement of the portable terminal. A display for displaying e-mails,
The second mail determination means Shin an electronic mail transmission to determine whether it is displayed on the display unit, and it is determined that the e-mail can be sent is displayed on the display unit by the second e-mail determination unit when you are, the once determined as closed by the closed state determining means further includes a transmission processing executing means for executing the transmission processing of the electronic mail, the mobile communication terminal according to claim 1. Said connection means, said first casing comprising a slide mechanism for sliding said first casing in a state laminated on the second case, the mobile communication terminal according to any one of claims 1 to 3. The connecting means includes a rotation mechanism that moves the first case with reference to one axis perpendicular to the main surface of the second case in a state where the first case is stacked on the second case. The portable communication terminal according to any one of claims 1 to 3 . The connecting means is a first hinge mechanism for moving the first case with reference to an axis extending in parallel with the short side of the main surface of the second case in a state where the first case is stacked on the second case. including, mobile communication terminal according to any one of claims 1 to 3. The cover includes a cover instead of the second case, and a cover connecting unit that connects the cover and the first case so that the state of the cover relative to the first case can be changed. 4. The mobile communication terminal according to any one of items 3 to 3 . The cover connecting means includes a second hinge mechanism that moves the cover with reference to an axis extending in parallel with a short side of the main surface of the first case in a state where the main surface of the first case is covered by the cover. The mobile communication terminal according to claim 7 .

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