JP5326717B2 - Portable terminal, and control method and program thereof - Google Patents

Description

  The present invention relates to a portable terminal and a control method and program thereof, and more particularly to a portable terminal that prompts a driver who drives a vehicle such as an automobile to drive safely, and a control method and program thereof.

  In recent years, the importance of drive recorders (see, for example, Patent Document 1) has increased. The drive recorder generally records video data before and after the occurrence of a vehicle accident. The recorded video data can be used as evidence for field verification. In addition, the installation of the drive recorder also has an advantage that the driver tries to drive safely.

  However, the drive recorder has a problem that its diffusion rate is low. This is because the installation procedure is complicated, expensive, and not obligated to install.

  A related technique for dealing with the above problem is described in Patent Document 2, for example. This related technology generally uses a high penetration rate of portable terminals such as PHS (Personal Handyphone System) and cellular phones, and mounts functions equivalent to drive recorders to the portable terminals.

  More specifically, the portable terminal described in Patent Literature 2 includes an imaging unit that continuously captures still images or moving images, a storage unit that sequentially stores captured data, and a communication unit that communicates with a server. , An acceleration sensor that detects an accident (an impact applied to the mobile terminal), and an imaging unit, a storage unit, a communication unit, and a control unit that controls the acceleration sensor.

  In operation, when an accident is detected by the acceleration sensor, the control unit causes the photographing unit to continue photographing for a predetermined time from the accident detection time, and stores the photographing data in the storage unit. And a control part transmits the imaging | photography data memorize | stored in the memory | storage part before and behind accident detection time to a server via a communication part.

JP 2008-186394 A JP 2008-244673 A

  However, the above Patent Document 2 has a problem that no measures are taken to prevent a vehicle accident.

  Therefore, an object of the present invention is to provide a portable terminal capable of reducing the incidence of vehicle accidents, and a control method and program therefor.

  In order to achieve the above object, a mobile terminal according to an aspect of the present invention includes a detection unit that periodically detects acceleration generated in the terminal, a ringing unit that rings a warning sound, and the acceleration is maintained for a certain period of time. And a control means for causing the sounding means to sound the warning sound when the acceleration is equal to or higher than a predetermined acceleration and the traffic information acquired from the in-vehicle navigation device indicates an approach to a traffic jam section.

  A control method according to one embodiment of the present invention provides a control method for a mobile terminal. This control method periodically detects acceleration generated in the mobile terminal, the acceleration is equal to or higher than a predetermined acceleration over a certain period of time, and the traffic information acquired from the in-vehicle navigation device indicates an approach to a traffic jam section. Sounds a warning sound when indicated.

  Furthermore, the control program according to one aspect of the present invention includes a process for periodically detecting an acceleration generated in the mobile terminal in the mobile terminal, the acceleration is equal to or higher than a predetermined acceleration over a predetermined time, and the vehicle is mounted on the vehicle. When the traffic information acquired from the navigation device indicates an approach to a traffic jam section, a process for sounding a warning sound is executed.

  In the present invention, the driver is warned of the danger of a rear-end collision in cooperation with the in-vehicle navigation device. For this reason, it is possible to encourage the driver to drive further safely, thereby reducing the incidence of vehicle accidents.

It is the block diagram which showed the structural example of the portable terminal which concerns on Embodiment 1 of this invention. It is the flowchart figure which showed the operation example of the portable terminal which concerns on Embodiment 1 of this invention. It is the block diagram which showed the structural example of the portable terminal which concerns on Embodiment 2 of this invention. It is the flowchart figure which showed the operation example of the portable terminal which concerns on Embodiment 2 of this invention. It is the block diagram which showed the structural example of the portable terminal which concerns on Embodiment 3 of this invention. It is the flowchart figure which showed the operation example of the portable terminal which concerns on Embodiment 3 of this invention. It is the block diagram which showed the structural example of the portable terminal which concerns on Embodiment 4 of this invention. It is the flowchart figure which showed the operation example of the portable terminal which concerns on Embodiment 4 of this invention. It is the block diagram which showed the structural example of the portable terminal which concerns on Embodiment 5 of this invention.

  Embodiments 1 to 5 of a mobile terminal according to the present invention will be described below with reference to FIGS. In the drawings, the same components are denoted by the same reference numerals, and redundant description is omitted as necessary for the sake of clarity.

[Embodiment 1]
A portable terminal 1 according to the present embodiment shown in FIG. 1 is connected to a navigation device 3 mounted on a vehicle 2 driven by a user (not shown) by wire or wirelessly, and traffic information 4 is obtained from the navigation device 3. get. Here, as the traffic information 4, general traffic information wirelessly distributed from a VICS (registered trademark, Vehicle Information and Communication System) center or the like can be used.

  The mobile terminal 1 includes an acceleration sensor 10, a ringing unit 20, and a control unit 30. Among these, the acceleration sensor 10 periodically detects the acceleration 102 generated in the mobile terminal 1 in accordance with the detection instruction 101 from the control unit 30. Further, the sounding unit 20 sounds a predetermined warning sound using, for example, a speaker (not shown) in accordance with the sounding instruction 103 from the control unit 30. Further, the control unit 30 generates a detection instruction 101 in response to a user operation, and monitors the acceleration 102 sequentially detected by the acceleration sensor 10 and the traffic information 4 notified irregularly from the navigation device 3. When it is determined that 2 has a risk of rear-end collision, a ringing instruction 103 is generated.

  Note that the mobile terminal 1 may be a terminal such as a PHS or a mobile phone equipped with a communication function, or may be a terminal such as a music player or game machine that is not equipped with a communication function.

  Next, the operation of the present embodiment will be described with reference to FIG.

  As shown in FIG. 2, when the user performs a switching operation to the operation mode (step S1), the control unit 30 in the portable terminal 1 generates a detection instruction 101 that instructs the start of detection of the acceleration 102. The acceleration sensor 10 is activated (step S2).

  Further, the control unit 30 monitors the acceleration 102 detected by the acceleration sensor 10 and the traffic information 4 notified from the navigation device 3 (step S3).

  As a result, when the acceleration 102 equal to or greater than a predetermined threshold is detected over a certain time (step S4) and the traffic information 4 indicates an approach to a traffic jam section (step S5), the control unit 30 collides with the vehicle 2. Judge that there is a risk of. Then, the control unit 30 generates a ringing instruction 103, thereby causing the ringing unit 20 to sound a warning sound (step S6).

  Thereby, the portable terminal 1 can make a user recognize that the deceleration of the vehicle 2 is required. For this reason, the user can avoid the occurrence of a vehicle accident beforehand.

  In addition, when any of the above-described steps S4 and S5 is not satisfied, the control unit 30 continuously monitors the acceleration 102 and the traffic information 4.

  Thereafter, when the operation mode is canceled by the user who has finished driving (step S7), the control unit 30 generates a detection instruction 101 for instructing to stop detecting the acceleration 102, and thus the operation of the acceleration sensor 10 is performed. Is stopped (step S8). Therefore, the user can use the original service of the mobile terminal 1.

[Embodiment 2]
The mobile terminal 1a according to the present embodiment shown in FIG. 3 includes the display unit 40 that displays the statistical information 104 of the acceleration 102 to the user in addition to the configuration of the mobile terminal 1 shown in FIG. Different from the first embodiment.

  The display unit 40 includes a memory 41 for storing the acceleration 102, an application 42 for statistically analyzing the acceleration 102 stored in the memory 41, and a display 43 for displaying statistical information 104 obtained by the application 42. Have

  The operation of the present embodiment will be described with reference to FIG. Here, in FIG. 4, in addition to the processes in steps S1 to S8 shown in FIG. 2, the process shown in step S9 is added. That is, the control unit 30 sequentially stores the acceleration 102 detected by the acceleration sensor 10 in the memory 41 in the display unit 40 in parallel with the above monitoring process.

  On the other hand, although not shown, the application 42 in the display unit 40 reads all the accelerations 102 stored in the memory 41 when activated by a predetermined user operation. Next, the application 42 performs predetermined statistical processing on the read acceleration 102 to generate statistical information 104 (for example, a time transition graph of the acceleration 102). Then, the application 42 displays the generated statistical information 104 on the display 43.

  Thereby, the portable terminal 1a can make a user grasp | ascertain a driving condition (namely, promote a safe driving | operation more). In addition, the user can also understand the influence of his / her driving situation on fuel consumption from the statistical information 104.

[Embodiment 3]
The mobile terminal 1b according to the present embodiment shown in FIG. 5 includes the above-described embodiment in addition to the configuration of the mobile terminal 1 shown in FIG. Different from 1. Note that the photographing unit 50 may be provided in the portable terminal 1a shown in FIG. Also in this case, the following description applies similarly.

  Further, the photographing unit 50 follows the camera 51 in accordance with a camera 51 for photographing at least one of a still image and a moving image, a memory 52 for storing photographing data 105 by the camera 51, and a photographing instruction 106 from the control unit 30. And a camera control unit 53 that writes the shooting data 105 to the memory 52. In addition, a user shall install the portable terminal 1b so that the camera 51 can image | photograph the advancing direction of the vehicle 2. FIG.

  The operation of the present embodiment will be described with reference to FIG. Here, in FIG. 6, in addition to the processes in steps S1 to S8 shown in FIG. 2, processes shown in steps S10 and S11 are added.

  Specifically, the control unit 30 further determines whether or not the acceleration 102 is equal to or greater than a threshold value after the warning sound is sounded in step S6 (step S10).

  When the acceleration 102 ≧ the threshold value is satisfied, the control unit 30 determines that the vehicle 2 enters the traffic jam section without decelerating (that is, a vehicle accident may occur), and issues a shooting instruction 106 that instructs the start of shooting. Therefore, the photographing data 105 is recorded in the photographing unit 50 (step S11). Further, the control unit 30 causes the photographing unit 50 to continue recording the photographing data 105 while the acceleration 102 ≧ the threshold value is established.

  Thus, the portable terminal 1b can be functioned as a drive recorder. In addition, since the shooting data 105 is recorded only when the acceleration 102 is large even if the warning sound is sounded (that is, when the probability of occurrence of a vehicle accident is higher), it is more useful for field verification with a small memory capacity. Proof can be obtained.

[Embodiment 4]
The mobile terminal 1c according to the present embodiment shown in FIG. 7 includes the GPS (Global Positioning System) receiver 60 and the communication unit 70 in addition to the configuration of the mobile terminal 1b shown in FIG. Different from the third embodiment.

  Among these, the GPS receiver 60 receives the positioning radio signal 6 from the GPS satellite 5 in accordance with the positioning instruction 107 from the control unit, and uses the received positioning radio signal 6 to obtain the position information 108 of the portable terminal 1c. get. The position information 108 is not limited to the GPS receiver 60, and may be acquired using various radio navigation methods.

  In addition, the communication unit 70 transmits the position information 108 to a predetermined emergency contact (such as a police station or a fire station). More specifically, the communication unit 70 connects a call with an emergency contact via the base station 7 and transmits an RF (Radio Frequency) signal obtained by modulating the position information 108.

  The operation of the present embodiment will be described with reference to FIG. Here, in FIG. 8, in addition to the processes in steps S1 to S8, S10, and S11 shown in FIG. 6, processes shown in steps S12 and S13 are added.

  Specifically, the control unit 30 stops after the rear-end collision when the acceleration 102 <threshold value is satisfied in the above-described step S10 (that is, when the acceleration 102 changes to less than the threshold value after recording the shooting data 105). If it is determined that there is a possibility, the positioning instruction 107 is generated, and the GPS receiver 60 is caused to measure the current position of the portable terminal 1c (step S12).

  And the control part 30 gives the positional information 108 acquired by the GPS receiver 60 to the communication part 70, and transmits the positional information 108 to a predetermined emergency contact address (step S13).

  Thereby, when a vehicle accident actually occurs, it is possible to speed up the execution of on-site verification, emergency treatment to the user, and the like.

[Embodiment 5]
The portable terminal 1d according to the present embodiment shown in FIG. 9 is different from the fourth embodiment in that the control unit 30 gives an automatic response instruction 109 to the communication unit 70 in addition to the position information 108.

  Specifically, when the user performs an operation for switching to the operation mode, the control unit 30 generates an automatic response instruction 109 for instructing the start of an automatic response. Receiving this, the communication unit 70 announces to the transmission source that the user is driving the vehicle when the incoming call to the portable terminal 1d thereafter. Thereafter, when the operation for canceling the operation mode is performed by the user, the control unit 30 generates an automatic response instruction 109 that instructs to stop the automatic response. Receiving this, the communication unit 70 resumes the normal incoming call operation.

  Thereby, user operation with respect to the portable terminal 1d during driving | operation can be prevented, and the incidence rate of a vehicle accident can be reduced more.

  Note that the present invention is not limited to the above-described embodiments, and it is apparent that various modifications can be made by those skilled in the art based on the description of the scope of the claims.

  For example, each process shown in the above embodiment can be provided as a program for causing a mobile terminal to execute the processes. In this case, it is preferable to store the program in a storage medium such as a memory so that the processor in the mobile terminal can execute the program. Alternatively, the program may be provided as a plug-in to firmware incorporated in an existing control circuit.

DESCRIPTION OF SYMBOLS 1, 1a-1d Portable terminal 2 Vehicle 3 Navigation apparatus 4 Traffic information 5 GPS satellite 6 Positioning radio signal 7 Base station 10 Acceleration sensor 20 Ringing unit 30 Control unit 40 Display unit 41, 52 Memory 42 Application 43 Display 50 Imaging unit 51 Camera 53 Camera control unit 60 GPS receiver 70 Communication unit 101 Detection instruction 102 Acceleration 103 Ringing instruction 104 Statistical information 105 Imaging data 106 Imaging instruction 107 Positioning instruction 108 Position information 109 Automatic response instruction

Claims (13)

Detecting means for periodically detecting acceleration generated in the terminal;
A sounding means for sounding a warning sound;
When the acceleration is equal to or higher than a predetermined acceleration over a certain period of time, and the traffic information acquired from the in-vehicle navigation device indicates an approach to a traffic jam section, control means for causing the sounding means to sound the warning sound;
Mobile terminal equipped with. In claim 1,
A portable terminal further comprising display means for displaying the statistical information of the acceleration. In claim 1 or 2,
It further includes a photographing means for photographing the traveling direction of the terminal itself,
The portable terminal according to claim 1, wherein when the acceleration is equal to or more than the predetermined acceleration after the warning sound is sounded, the control means operates the photographing means. In claim 3,
The portable terminal characterized in that the control means continuously operates the photographing means while the acceleration is equal to or higher than the predetermined acceleration. In claim 3 or 4,
Measuring means for measuring the current position of the terminal;
A communication means for transmitting information related to the current position to a predetermined communication destination,
The portable terminal characterized in that the control means operates the measurement means and the communication means when the acceleration changes below the predetermined acceleration after photographing by the photographing means. In any one of Claims 1-5,
It further includes an incoming means for accepting incoming calls to its own terminal,
The control means causes the detection means to start detecting the acceleration in response to an operation of a user who owns the terminal, and when the incoming call is received after the start of the detection, the user is driving the vehicle to the call receiving means. A portable terminal characterized by having a response to that effect. A method for controlling a mobile terminal,
Periodically detecting acceleration generated in the mobile terminal;
A method for controlling a portable terminal that sounds a warning sound when the acceleration is equal to or greater than a predetermined acceleration over a certain period of time and traffic information acquired from an in-vehicle navigation device indicates an approach to a traffic jam section. In claim 7,
A method of controlling a portable terminal, characterized by displaying statistical information of the acceleration. In claim 7 or 8,
A method for controlling a portable terminal, wherein after the warning sound is sounded, the traveling direction of the portable terminal is photographed when the acceleration is equal to or higher than the predetermined acceleration. In claim 9,
The mobile terminal control method, wherein the photographing is continuously performed while the acceleration is equal to or higher than the predetermined acceleration. In claim 9 or 10,
After the photographing, when the acceleration changes to less than the predetermined acceleration, the mobile terminal measures the current position of the mobile terminal and transmits information on the current position to a predetermined communication destination Control method. In any one of Claims 7-11,
The detection of the acceleration is started in response to an operation of a user holding the mobile terminal, and a response is made that the user is driving the vehicle when an incoming call arrives at the mobile terminal after the start of the detection. The mobile terminal control method. On your mobile device,
Processing for periodically detecting acceleration generated in the mobile terminal;
When the acceleration is equal to or higher than a predetermined acceleration over a certain period of time, and the traffic information acquired from the in-vehicle navigation device indicates an approach to a traffic jam section, a process of sounding a warning sound;
A control program to execute.

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