JP4681973B2 - Portable terminal - Google Patents

Description

  The present invention relates to a portable terminal capable of acquiring position information indicating the current location of its own device using a positioning system such as GPS (Global Positioning System) and transmitting the position information to another communication device. .

Currently, mobile phones with GPS function are in widespread use.
The mobile phone with a GPS function can transmit the position information of the own device obtained as a result of GPS positioning to another mobile phone or a personal computer by e-mail.
Further, in Patent Document 1 below, the location information of the other party is obtained using GPS, the location information of the other party is obtained from the location information service center, the map information is obtained from the map information database, and the location information of the two is obtained. And a mobile communication device that displays a map on a display unit.

By the way, worrying about the child being involved in a kidnapping case, a mobile terminal equipped with a current location notification function for notifying other communication devices of the current location of its own device via a network, such as a mobile phone with GPS function, to the child The number of parents is increasing.
JP 2002-262338 A

However, even if a child has a portable terminal equipped with a current location notification function, when the child is kidnapped, the kidnapper turns off the power of the portable terminal and the current location is another communication device. It is easily assumed not to be notified. Alternatively, the kidnapper may remove the battery of the portable terminal.
The present invention purpose that the power of its own by kidnappers even when turned off, provide a mobile terminal and location information transmission method capable of transmitting the current position of the own apparatus to another communication apparatus to.

To achieve pre-Symbol purpose, a mobile terminal according to the present invention includes: a receiving means for receiving a power-off instruction to turn off the power of its own, an acquisition unit that acquires position information indicating the current position of its own The communication means, the setting means for setting the mode of the own device to the emergency mode or the normal mode, and, when the own device is set to the emergency mode, the receiving means has received the power-off instruction. Then, after the position information is acquired by the acquisition means, the communication means transmits the position information to another communication device via a network, and when the own device is set in the normal mode, the reception means And a control unit that does not cause the acquisition unit to acquire position information when the power-off instruction is received .

In order to achieve the pre-Symbol purpose, position information transmission method according to the present invention acquires a step of accepting a power off instruction to power off the ship, the position information indicating the current position of its own step And setting the mode of the own device to the emergency mode or the normal mode, and, if the own device is set to the emergency mode, the acquisition means because the receiving means has received the power-off instruction After the position information is acquired by the means, the communication means transmits the position information to another communication device via the network, and when the own device is set in the normal mode, the reception means turns off the power. A step of not allowing the acquisition means to acquire position information when receiving an instruction .
Here, “turning off the power” is the same as an electronic device having a general power on / off function, and does not stop the power supply to all the functional units, but the power to the main functional units. It means to stop the supply. Generally, even when the power of the electronic device is turned off, the control unit that controls each functional unit of the electronic device or a part thereof, the part of the operation unit that receives an instruction to turn on the power, and the time are counted. The power supply to the timekeeping unit to be performed is not stopped.

Mobile terminal according to the present invention, the current position of the induction拐犯is transmitted to another communication device, will be made known to the child's parents and police kidnapped help early resolution of the case.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
<Embodiment 1>
<Overview>
The mobile phone with a GPS function according to the first embodiment has an emergency mode setting function for switching from the normal mode to the emergency mode.

The emergency mode here means that the owner of the mobile phone with GPS function is set in the emergency mode in advance, and when the owner is kidnapped by the kidnapper, the kidnapper If the mobile phone with attached GPS is turned off, the mobile phone with GPS function uses the e-mail address set in advance as the destination for the position information obtained by GPS positioning due to acceptance of the power-off instruction. Send it in an e-mail.
<Configuration>
FIG. 1 is a diagram showing an appearance of a mobile phone 1 with a GPS function.

In the figure, an operation unit 2 (a portion surrounded by a dotted line) for receiving various instructions from the user and a display unit 3 for displaying a screen are shown.
The operation unit 2 includes various buttons such as numeric keypad buttons 0 to 9 provided on a general mobile phone, an on-hook button, an off-hook / power on / off button (hereinafter simply referred to as “power button”) 2A, and the like. Then, various instructions are received from the user by pressing various buttons.

FIG. 2 is a diagram showing a functional configuration of the mobile phone 1 with a GPS function.
A cellular phone 1 with a GPS function includes an operation unit 2, a display unit 3, an antenna 4, a wireless communication unit 5, a GPS antenna 6, a GPS processing unit 7, a speaker unit 8, a microphone unit 9, a battery 10, a power supply circuit 11, and a time measuring unit. 12, a control unit 14 and a storage unit 15 are provided.
The functional configuration of the mobile phone 1 with GPS function is basically the same as that of the conventional mobile phone 1 with GPS function.

The antenna 4 is similar to the antenna provided in a general mobile phone, and transmits and receives a carrier wave that carries voice, data, and the like. The received carrier signal is sent to the wireless communication unit 5.
The wireless communication unit 5 performs modulation / demodulation processing, amplification processing, A / D and D / A conversion processing on the carrier wave signal received by the antenna 4 and the compressed signal transmitted from the control unit 14 such as audio and video. It is a functional unit that performs a series of processes related to transmission and reception.

The GPS antenna 6 is an antenna that receives radio waves sequentially transmitted from a plurality of GPS satellites. The received signal is sent to the GPS processing unit 7.
The GPS processing unit 7 has a function of calculating position information based on a signal transmitted from the GPS antenna 6. The calculated position information is transmitted to the control unit 17.
The control unit 14 includes a microprocessor, a DSP (Digital Signal Processor), and the like, and controls each functional unit according to various programs stored in the storage unit 15.

In addition to various programs such as an emergency mode setting program described later and a position information transmission processing program in the emergency mode, the storage unit 15 stores ringtone data, data such as mail addresses and telephone numbers, and the like. ing.
The speaker unit 8 converts the electrical signal transmitted from the control unit 14 into sound and outputs the sound.
The microphone unit 9 picks up sound, converts it into an electrical signal, and transmits it to the control unit 14.

The power supply circuit 11 has a function of storing power in the battery 10 under the control of the control unit 14 and a function of controlling a voltage output from the battery 10 to send a stable voltage to each component in the device.
The time measuring unit 12 has a function of measuring time.
<Operation>
The mobile phone 1 with a GPS function has an emergency mode setting function as described above.

FIG. 3 is a flowchart used to explain emergency mode setting processing.
First, when the mobile phone with GPS function 1 receives an instruction to display an emergency mode setting screen from the user via the operation unit 2, the control unit 14 stores an emergency mode setting program stored in the storage unit 15. The emergency mode setting screen is displayed on the display unit 3 (step S1).

Next, when an instruction to turn on the emergency mode is received by a user operation on the operation unit 2 (step S2: YES), the control unit 14 stores flag information indicating that the emergency mode is on in the storage unit 15 To remember. That is, the mode of the mobile phone with GPS function 1 is set as an emergency mode (step S3).
Subsequently, the setting of the destination mail address for notifying the current location in the emergency mode is received and set from the user (step S4), and the process is terminated.

If the instruction to turn on the emergency mode is not accepted in step S2 (step S2: NO), the flag information is not stored in the storage unit 15 and is not in the emergency mode, that is, in the normal mode (step S5). ) To finish the process.
Next, position information transmission processing performed when the emergency mode is set will be described.

FIG. 4 is a flowchart used for explaining the position information transmission process in the emergency mode of the cellular phone 1 with a GPS function.
First, when the mobile phone 1 with GPS function is turned on, if the user presses the power button, that is, receives an instruction to turn off the power from the user (step S11: YES), the control unit 14 stores the information. It is checked whether flag information indicating that the emergency mode is on is stored in the unit 15, that is, whether or not the own device is set to the emergency mode (step S12).

  If the own device is set to the emergency mode (step S12: YES), the control unit 14 causes the GPS processing unit 7 to perform GPS positioning and obtains position information indicating the current location of the own device (step S13). . Subsequently, the control unit 14 creates an e-mail addressed to a preset e-mail address describing the position information, and transmits the e-mail via the wireless communication unit 5 (step S14).

Thereafter, the control unit 14 includes functional units other than the power supply circuit 11, the time measuring unit 12, and the control unit 14 illustrated in FIG. 2, that is, the operation unit 2, the display unit 3, the wireless communication unit 5, the GPS processing unit 7, and the speaker unit 8. Then, a power-off process for stopping the power supply to the microphone unit 9 and the storage unit 15 is performed (step S15).
The timing unit 12 starts timing after the power-off process is performed (step S16), and when a predetermined time (for example, 10 minutes) has elapsed (step S17: YES), the timing unit 12 notifies the control unit 14 to that effect. Notice.

The control unit 14 that has received the notification from the time measuring unit 12 performs a partial power-on process for resuming the power supply to some functional units of the own device (step S18).
Here, some of the functional units whose power supply is resumed are the wireless communication unit 5 and the GPS processing unit 7, and power supply to the operation unit 2, the display unit 3, the speaker unit 8, and the microphone unit 9 is performed. It will not resume. In this partial power-on process, the standby screen or the like is not displayed on the display unit 2 and no sound effect is generated at the time of startup. Therefore, it is easy for the kidnapper to resume power supply. Never noticed.

When the power supply is resumed, the control unit 14 returns to step S13 and repeats the operations of steps S13 to S18 shown in FIG.
In step S12, when the flag information is not stored in the storage unit 15, that is, when the emergency mode is not set (step S12: NO), the power-off process is performed as usual (step S19).

  As described above, if the mobile phone 1 with GPS function is set in the emergency mode in advance, the position information of the own device is acquired based on the power-off instruction, and the position information is set in advance. Since the e-mail addressed to the e-mail address is created and transmitted, if the child has the GPS function mobile phone 1 set in the emergency mode, the child is kidnapped by the kidnapper and the kidnapper Even if the mobile phone 1 with GPS function is turned off, the current location of its own device is transmitted to a preset mail address, for example, the mail address of the parent mobile phone. Useful for early resolution of incidents.

In addition, since the power supply to some functional units is resumed every predetermined time after the power-off process is performed, the position information is acquired again, and the position information is transmitted by e-mail repeatedly. If a child is kidnapped, he can grab his gait without being aware of the kidnapper.
<Modification>
As the position information transmission process performed when the mobile phone 1 with the GPS function is set to the emergency mode, the following modifications may be considered.

FIG. 5 is a flowchart used to describe a modification of the position information transmission process in the emergency mode of the cellular phone 1 with a GPS function.
First, when the mobile phone with GPS function 1 is turned on, if the user presses the power button, that is, receives an instruction to turn off the power from the user (step S21: YES), the control unit 14 stores the storage unit. It is checked whether flag information indicating that the emergency mode is on is stored in FIG. 15, that is, whether the emergency mode is set (step S22).

If the emergency mode is set (step S22: YES), the control unit 14 performs a power-off process for stopping the power supply to the functional units other than the power supply circuit 11, the time measuring unit 12, and the control unit 14 illustrated in FIG. (Step S23).
The timing unit 12 starts timing after the power-off process is performed (step S24), and when a predetermined time (for example, 10 minutes) has elapsed (step S25: YES), the timing unit 12 notifies the control unit 14 to that effect. Notice.

The control unit 14 that has received the notification from the time measuring unit 12 performs a partial power-on process for resuming the power supply to some of the functional units of the own device (step S26).
After resuming power supply to some of the functional units, the control unit 14 causes the GPS processing unit 7 to perform GPS positioning, and acquires position information indicating the current location of the own device (step S27). Subsequently, the control unit 14 creates an e-mail addressed to a preset e-mail address describing the position information, and transmits the e-mail via the wireless communication unit 5 (step S28).

The control unit 14 returns to step S23 and repeats the operations of step S23 to step S28 shown in FIG.
In step S22, when the flag information is not stored in the storage unit 15, that is, when the emergency mode is not set (step S22: NO), the power-off process is performed as usual (step S29).

The mobile phone 1 with GPS function of this modified example performs the power-off process without acquiring and transmitting the position information when the power button is pressed, and after a predetermined time has elapsed, The process is resumed, and a series of processes of acquiring position information and transmitting an e-mail including the position information is repeated.
The process of this modification takes into account that it takes time for the GPS processing unit 7 to acquire position information. If the time from when the kidnapper presses the power button until the mobile phone 1 with GPS function is turned off becomes longer, it is assumed that the kidnapper is suspicious. The power-off process is performed without acquiring the position information, and then the position information is acquired and transmitted after the partial power-on process for restarting the power supply.
<Embodiment 2>
<Configuration>
FIG. 6 is a view showing the back side appearance of the mobile phone 1A with the GPS function in a state where the battery 10 is removed from the main body.

The front side appearance of the mobile phone with GPS function 1A is the same as the appearance of the mobile phone with GPS function 1 shown in FIG.
The battery 10 is usually fitted and attached to the battery storage part 19 of the main body 1A of the mobile phone with GPS function, and is fastened by the lock part 18. The battery 10 has a structure integrated with a part of the exterior of the mobile phone 1A with a GPS function, and also serves as a lid of the battery storage unit 19.

A sensor 16 for measuring illuminance is provided in the battery storage unit 19.
FIG. 7 is a diagram showing a functional configuration of the mobile phone with GPS function 1A.
This is basically the same as the functional configuration of the mobile phone 1 with the GPS function shown in FIG. 2 described in the first embodiment, and the same functional parts are denoted by the same reference numerals and description thereof is omitted.
The mobile phone with GPS function 1A is different from the functional configuration of the mobile phone with GPS function 1 in that a sensor 16 and a spare battery 17 are provided.

The sensor 16 detects when light enters the battery storage unit 19 by removing the battery 10 from the main body, and sends a detection signal to the control unit 14.
<Operation>
Since the mobile phone with GPS function 1A has an emergency mode setting function in the same manner as the mobile phone with GPS function 1 of the second embodiment, description of the operation thereof is omitted.

FIG. 8 is a flowchart used for explaining the position information transmission processing in the emergency mode of the cellular phone with GPS function 1A.
First, when the mobile phone 1A with GPS function is turned on, the battery 10 is removed from the main body, so that light enters the battery storage unit 19, and the sensor 16 detects the light and controls the detection signal. When sent to the unit 14 (step S31: YES), the control unit 14 sends an instruction to the power supply circuit 11 to switch the power supply source from the battery 10 to the spare battery 17. And the control part 14 confirms whether the flag information which shows that emergency mode is ON is memorize | stored in the memory | storage part 15, ie, whether the own machine is set to emergency mode (step S32).

If the own device is set to the emergency mode (step S32: YES), the control unit 14 causes the GPS processing unit 7 to perform GPS positioning and obtains position information indicating the current location of the own device (step S33). . Subsequently, the control unit 14 creates an e-mail addressed to a preset e-mail address describing the position information, transmits the e-mail via the wireless communication unit 5 (step S34), and ends the process. To do.
<Supplement 1>
Needless to say, the present invention is not limited to the embodiment described above. The following contents are also included in the present invention.
(1) Each of the above embodiments has been described using a mobile phone with a GPS function. However, the present invention is not limited to a mobile phone, and can acquire location information of its own device and transmit it to other devices. It is possible to apply to possible portable terminals. For example, there is a PDA (Personal Digital Assistant) having a wireless communication function and a position information acquisition function.

In addition, the method of acquiring position information is not limited to the use of GPS. For example, a method of receiving position information of latitude and longitude of each base station from a plurality of base stations and calculating position information in consideration of the radio field intensity. You may use and the acquisition method used conventionally may be used.
(2) In the first embodiment, the emergency mode is set by operating the operation unit 2 of the mobile phone 1 with the GPS function. However, SMS (Short Message Service) from other communication devices, It is also possible to set remotely by e-mail or the like. At that time, it is conceivable that a password must be entered so that remote setting cannot be freely performed.
(3) In each of the above-described embodiments, the acquired position information is described in an e-mail and transmitted with a preset e-mail address as a destination. However, the position information may be changed by another communication method other than e-mail. You may transmit to other communication equipment.
(4) In each of the embodiments described above, the emergency mode is set. However, the present invention acquires position information when receiving an instruction to turn off the power without setting the emergency mode. And what to send is also included. The position information acquired before receiving the power-off instruction may be transmitted after receiving the power-off instruction.
(5) In each of the above-described embodiments, the user has set the destination of the location information when setting the emergency mode. However, a predetermined mail address determined by the service provider in advance, the mail address of the emergency call destination, etc. are the default. It may be set with.
(6) In addition to position information, the e-mail created when the power button is pressed in the emergency mode indicates that the e-mail is an e-mail created and sent in the emergency mode. One sentence may be described. For example, “Emergency! This email was sent from a mobile phone set to emergency mode. The source mobile phone is currently turned off. Enter the location information of the source mobile phone. "Please check."
(7) In Embodiment 2 described above, the removal of the battery 10 is detected by the sensor 16 detecting the brightness. However, it may be detected that the lock unit 18 is released.
(8) The present invention may be a position information transmission method including the steps shown in FIGS .
<Supplement 2>
The portable terminal according to the present invention includes a receiving unit that receives a power-off instruction for turning off the power of the own device, an acquiring unit that acquires position information indicating a current location of the own device, a communication unit, and the receiving unit Control means for causing the communication means to transmit the position information to another communication apparatus via a network due to reception of a power-off instruction.
When the portable terminal according to the present invention receives a power-off instruction or detects the removal of the battery or the battery lid, the portable terminal transmits the position information to another communication device due to this, for example, the portable terminal If the child holding the kidnapper is kidnapped, and the kidnapper performs an operation to turn off the power or intends to remove the battery, the current location of the kidnapper may become another communication device. Will be informed to the parents and police of the kidnapped children sent to and helped to resolve the case early.
Here, the portable terminal further includes a timing unit that counts time, and the control unit causes the communication unit to transmit the position information to another communication device, and then, based on the power-off instruction, Control is performed to stop power supply to a part of the own machine including the acquisition unit and the communication unit, and the time measuring unit counts a predetermined time after the power supply is stopped, and when a predetermined time has elapsed. This is notified to the control means, and the control means further performs control to resume power supply to a part of its own device including the acquisition means and the communication means by receiving the notification from the time measuring means. Thereafter, the acquisition unit may acquire position information, and the communication unit may transmit the position information to another communication device via a network.
As a result, even if the location information transmitted before the power is turned off does not reach another communication device for some reason such as a communication failure, the power supply is resumed and the location information is Since the position information is acquired and transmitted to the other communication apparatus via the network, the position information can be reliably transmitted to the other communication apparatus.
In addition, the portable terminal further includes a timing unit that counts time, and the control unit stops power supply to a part of the own unit including the acquisition unit and the communication unit based on the power-off instruction. The timing means counts a predetermined time after the power supply is stopped, and notifies the control means when the predetermined time has elapsed, and the control means further includes the timing Control to resume power supply to a part of the own machine including the acquisition unit and the communication unit by receiving the notification from the unit, and then cause the acquisition unit to acquire position information and cause the communication unit to acquire the position. Information may be transmitted to another communication device via a network.
Since it is generally assumed that it takes time to acquire location information, if a power-off instruction is received, the power is immediately turned off, and then the location information is acquired after the supply of power is resumed. By transmitting the position information to another communication device via the network, for example, when a kidnapper tries to turn off the mobile terminal by pressing the power button, Since the power is cut off as if it were a street time, the kidnapper would not be suspicious.
Here, the receiving means further receives an emergency mode setting instruction for switching the own mode from the normal mode to the emergency mode, and the control means further sets the own apparatus to the emergency mode based on the emergency mode setting instruction. The time counting means counts a predetermined time after the power supply is stopped only when the self-machine is set to the emergency mode, and notifies the control means when the predetermined time has passed. The control means further performs control to resume power supply to a part of the own machine including the acquisition means and the communication means by receiving the notification from the time measuring means, and then to the acquisition means. Position information may be acquired, and the communication unit may transmit the position information to another communication device via a network.
With this configuration, the user can switch the mode of the user device to either the normal mode or the emergency mode, and the portable terminal performs the above-described operation only when the user device is set to the emergency mode. Therefore, it is possible to prevent the location information from being inadvertently transmitted to another communication device.
Here, the portable terminal further includes a display unit and a voice output unit, and the control unit includes a part of the own unit including the display unit and the voice output unit based on the power-off instruction. It is also possible to perform control to stop power supply to the power supply and to resume power supply to a part of the own apparatus except the display means and the audio output means by receiving the notification from the time measuring means.
Thereby, the control means stops power supply to the display means and the sound output means in response to a power-off instruction, and then receives the notification from the timing means, the power supply to the display means and the sound output means is Since it does not resume, it is possible to reduce power consumption and make it difficult for the kidnapper to notice the resumption of power supply.
Further, the control means performs control to stop power supply to a part of the own apparatus including the acquisition means and the communication means, and a power supply to a part of the own apparatus including the acquisition means and the communication means after a predetermined time. A series of controls for restarting supply, causing the acquisition unit to acquire position information, and causing the communication unit to transmit the position information to another communication device via a network may be repeatedly performed.
If a child holding a portable terminal of this configuration is kidnapped, the current location of the kidnapper is transmitted to other communication devices sequentially, which is useful for early resolution of the incident.
The portable terminal further includes an electronic mail function and storage means for storing the mail address of the electronic mail partner, and the control means has a predetermined mail address stored in the storage means as a destination. An e-mail including the position information acquired by the acquisition unit may be created, and the e-mail may be transmitted to the communication unit.

  The present invention can be applied to a portable terminal capable of acquiring position information indicating the current location and transmitting it to other communications.

It is a figure which shows the external appearance of the mobile telephone 1 with a GPS function. It is a figure which shows the function structure of the mobile telephone 1 with a GPS function. It is a flowchart used in order to explain emergency mode setting processing. FIG. 5 is a flowchart used for explaining position information transmission processing according to the first embodiment. It is a flowchart used in order to demonstrate the positional information transmission process of a modification. It is a figure which shows the back side external appearance of 1 A of mobile telephones with a GPS function in the state which removed the battery from the main body. It is a figure which shows the function structure of 1 A of mobile telephones with a GPS function. FIG. 10 is a flowchart used to explain position information transmission processing according to the second embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cellular phone with GPS 2 Operation part 2A Power button 3 Display part 4 Antenna 5 Wireless communication part 6 GPS antenna 7 GPS processing part 8 Speaker part 9 Microphone part 10 Battery 11 Power supply circuit 12 Time measuring part 14 Control part 15 Storage part 16 Sensor 17 Spare battery 18 Lock part 19 Battery storage part

Claims (8)

A mobile terminal having at least an emergency mode and a normal mode,
Accepting means for accepting a power-off instruction to turn off the power of the machine;
Acquisition means for acquiring position information indicating the current location of the aircraft;
Communication means;
Setting means for setting the mode of the aircraft to emergency mode or normal mode;
If the own device is set to a very mode, by the receiving unit only Keru with receiving the power-off instruction, the after acquired location information to the acquisition unit, the network the location information to the communication unit Control means for causing the acquisition means to not acquire position information when the reception means receives the power-off instruction when the own apparatus is set in the normal mode.
A portable terminal characterized by that. The portable terminal is
It further comprises a time measuring means for measuring time,
The control unit causes the communication unit to transmit the position information to another communication device, and then stops power supply to a part of the own device including the acquisition unit and the communication unit based on the power-off instruction. Control to
The time measuring means measures a predetermined time after the power supply is stopped, and notifies the control means when the predetermined time has elapsed,
The control means further performs control for resuming power supply to a part of the own apparatus including the acquisition means and the communication means by receiving the notification from the time measurement means, and then sends position information to the acquisition means. The portable terminal according to claim 1, wherein the portable information terminal is acquired and causes the communication unit to transmit the position information to another communication device via a network. The portable terminal is
It further comprises a time measuring means for measuring time,
The control means performs control to stop power supply to a part of the own machine including the acquisition means and the communication means based on the power-off instruction,
The time measuring means measures a predetermined time after the power supply is stopped, and notifies the control means when the predetermined time has elapsed,
The control means further performs control for resuming power supply to a part of the own apparatus including the acquisition means and the communication means by receiving the notification from the time measurement means, and then sends position information to the acquisition means. The portable terminal according to claim 1, wherein the portable information terminal is acquired and causes the communication unit to transmit the position information to another communication device via a network. The accepting means further accepts an emergency mode setting instruction for switching the own mode from the normal mode to the emergency mode,
The control means further sets the self-machine to the emergency mode based on the emergency mode setting instruction,
Only when the self-machine is set to the emergency mode, the time measuring means measures a predetermined time after the power supply is stopped, and notifies the control means when the predetermined time has passed,
The control means further performs control for resuming power supply to a part of the own apparatus including the acquisition means and the communication means by receiving the notification from the time measurement means, and then sends position information to the acquisition means. The mobile terminal according to claim 2 or 3, wherein the mobile terminal device is made to acquire and cause the communication means to transmit the position information to another communication device via a network. The portable terminal further includes:
Display means;
Audio output means,
The control means performs control to stop power supply to a part of the own apparatus including the display means and the audio output means based on the power-off instruction, and receives the notification from the time measuring means. The portable terminal according to claim 2 or 3, wherein control for restarting power supply to a part of the own apparatus excluding the means and the voice output means is performed.   The control means performs control to stop power supply to a part of the own apparatus including the acquisition means and the communication means, and supplies power to a part of the own apparatus including the acquisition means and the communication means after a predetermined time. 4. The system according to claim 2, wherein a series of controls for resuming, causing the acquisition unit to acquire position information, and causing the communication unit to transmit the position information to another communication apparatus via a network is repeatedly performed. Mobile terminal. The portable terminal further comprises an electronic mail function and a storage means for storing the mail address of the electronic mail partner,
The control means creates an e-mail including the location information acquired by the acquisition means, with the predetermined e-mail address stored in the storage means as a destination, and transmits the e-mail to the communication means. The portable terminal according to any one of claims 1 to 6, wherein the portable terminal is any one of claims 1 to 6. A location information transmission method used for a portable terminal,
A step of accepting a power-off instruction to turn off the power of the device;
Obtaining location information indicating the current location of the aircraft;
Setting the mode of the aircraft to emergency mode or normal mode;
If the own device is set to a very mode, by the receiving unit only Keru with receiving the power-off instruction, the after acquired location information to the acquisition unit, the network the location information to the communication unit And when the reception unit receives the power-off instruction when the own device is set in the normal mode, the acquisition unit does not acquire position information. A positional information transmission method characterized by the above.

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