JP2016213765A - Portable device, immersion estimation method, and immersion estimation program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to determine whether a portable device is immersed in water with high accuracy.SOLUTION: A portable device (for instance, a smartphone) 1 includes: an atmospheric pressure sensor 19 for measuring an atmospheric pressure value; and a controller 10 for estimating a moving method of a user who uses an own device. The controller 10 estimates whether or not the own device is immersed in water on the basis of the moving method and the atmospheric pressure value.SELECTED DRAWING: Figure 5

Description

  The present application relates to a portable device, a water immersion estimation method, and a water immersion estimation program.

  Some portable devices of portable communication devices are waterproof. For example, Patent Document 1 discloses a portable electronic device that secures waterproofness by attaching a cap to a housing in which an opening is formed.

JP 2013-150355 A

  Some portable devices having waterproof properties have a function of determining whether they are immersed in water. If it is determined that the subject is immersed in water when it is determined that the subject is immersed in water when it is not actually immersed in water, appropriate processing cannot be performed.

  In view of the above, there is a need for a portable device, a water immersion estimation method, and a water immersion estimation program that can determine whether or not they are immersed in water with high accuracy.

  A portable device according to one aspect includes an atmospheric pressure sensor that measures a value of atmospheric pressure, and a control unit that estimates a movement method of a user who uses the device, and the control unit includes the movement method and the atmospheric pressure. Based on this value, it is estimated whether or not the aircraft has been immersed in water.

  A water immersion estimation method according to one aspect is a water immersion estimation method for controlling a portable device including an atmospheric pressure sensor, the step of estimating a movement method, and the step of detecting a value of atmospheric pressure based on the atmospheric pressure sensor. And estimating whether or not the aircraft has been immersed in water based on the moving method and the value of the atmospheric pressure.

  A water immersion estimation program according to one aspect includes a step of estimating a movement method in a portable device including an atmospheric pressure sensor, a step of detecting a value of atmospheric pressure based on the atmospheric pressure sensor, the movement method, and the value of the atmospheric pressure. Based on the above, the step of estimating whether or not the aircraft has been immersed in water is executed.

FIG. 1 is a perspective view of the smartphone according to the embodiment. FIG. 2 is a front view of the smartphone. FIG. 3 is a rear view of the smartphone. FIG. 4 is a block diagram of the smartphone. FIG. 5 is a flowchart illustrating an example of control performed by the smartphone according to the embodiment. FIG. 6 is a flowchart illustrating an example of estimation of a movement method of control performed by the smartphone according to the embodiment. FIG. 7 is a flowchart illustrating an example of estimation of a movement method of control performed by the smartphone according to the embodiment. FIG. 8 is a flowchart illustrating an example of determining whether or not the smartphone according to the embodiment is immersed in control water. FIG. 9 is a graph showing an example of the detection result of the atmospheric pressure sensor. FIG. 10 is a flowchart illustrating an example of determining whether or not the smartphone according to the embodiment is immersed in control water.

  Embodiments for carrying out the present invention will be described in detail with reference to the drawings. Below, a smart phone is demonstrated as an example of an apparatus provided with a touch screen.

  The overall configuration of the smartphone 1 according to the embodiment will be described with reference to FIGS. 1 to 3. As shown in FIGS. 1 to 3, the smartphone 1 has a housing 20. The housing 20 has a structure that prevents water from entering inside. The housing 20 has a waterproof structure. Specifically, the housing 20 is provided with a mechanism that allows air to pass therethrough and prevents water from passing through a hole that connects the inside and the outside. When the housing 20 is formed of a plurality of members, the housing 20 has a rubber packing or an adhesive at the boundary between the plurality of members. The adhesive bonds a plurality of members. The member is sealed at the boundary. The housing 20 includes a front face 1A, a back face 1B, and side faces 1C1 to 1C4. The front face 1 </ b> A is the front of the housing 20. The back face 1 </ b> B is the back surface of the housing 20. The side faces 1C1 to 1C4 are side surfaces that connect the front face 1A and the back face 1B. Hereinafter, the side faces 1C1 to 1C4 may be collectively referred to as the side face 1C without specifying which face.

  The smartphone 1 includes a touch screen display 2, buttons 3A to 3C, an illuminance sensor 4, a proximity sensor 5, a receiver 7, a microphone 8, and a camera 12 on the front face 1A. The smartphone 1 has a speaker 11 and a camera 13 on the back face 1B. The smartphone 1 has buttons 3D to 3F and a connector 14 on the side face 1C. Hereinafter, the buttons 3A to 3F may be collectively referred to as the button 3 without specifying which button.

  The touch screen display 2 includes a display 2A and a touch screen 2B. In the example of FIG. 1, the display 2A and the touch screen 2B are substantially rectangular, but the shapes of the display 2A and the touch screen 2B are not limited to this. Each of the display 2A and the touch screen 2B can take any shape such as a square or a circle. In the example of FIG. 1, the display 2A and the touch screen 2B are positioned so as to overlap each other, but the positions of the display 2A and the touch screen 2B are not limited to this. The display 2A and the touch screen 2B may be positioned side by side or may be positioned apart from each other, for example. In the example of FIG. 1, the long side of the display 2A is along the long side of the touch screen 2B, and the short side of the display 2A is along the short side of the touch screen 2B, but the display 2A and the touch screen 2B are overlapped. Is not limited to this. When the display 2A and the touch screen 2B are positioned so as to overlap each other, for example, one or more sides of the display 2A may not be along any of the sides of the touch screen 2B.

  The display 2A includes a liquid crystal display (LCD: Liquid Crystal Display), an organic EL display (OELD: Organic Electro-Luminescence Display), or an inorganic EL display (IELD: Inorganic Electro-Luminescence Display). The display 2A displays objects such as characters, images, symbols, and graphics.

  The touch screen 2B detects contact of a finger, a pen, a stylus pen, or the like with respect to the touch screen 2B. The touch screen 2B can detect a position where a plurality of fingers, a pen, a stylus pen, or the like is in contact with the touch screen 2B. In the following description, a finger, pen, stylus pen, or the like that contacts the touch screen 2B may be referred to as a “contact object” or “contact object”.

  The detection method of the touch screen 2B may be any method such as a capacitance method, a resistive film method, a surface acoustic wave method, an infrared method, and a load detection method. In the following description, in order to simplify the description, it is assumed that the user uses the finger to touch the touch screen 2B in order to operate the smartphone 1.

  The smartphone 1 is based on at least one of the contact detected by the touch screen 2B, the position at which the contact is detected, the change in the position at which the contact is detected, the interval at which the contact is detected, and the number of times the contact is detected. Determine the type of gesture. The gesture is an operation performed on the touch screen 2B. Gestures identified by the smartphone 1 include, but are not limited to, touch, long touch, release, swipe, tap, double tap, long tap, drag, flick, pinch in, and pinch out, for example.

  FIG. 4 is a block diagram of the smartphone 1. The smartphone 1 includes a touch screen display 2, a button 3, an illuminance sensor 4, a proximity sensor 5, a communication unit 6, a receiver 7, a microphone 8, a storage 9, a controller 10, a speaker 11, and a camera. 12 and 13, a connector 14, an acceleration sensor 15, an orientation sensor 16, a gyroscope 17, a magnetic sensor 18, and an atmospheric pressure sensor 19.

  As described above, the touch screen display 2 includes the display 2A and the touch screen 2B. The display 2A displays characters, images, symbols, graphics, or the like. The touch screen 2B detects contact. The controller 10 detects a gesture for the smartphone 1. Specifically, the controller 10 detects an operation (gesture) on the touch screen 2B (touch screen display 2) by cooperating with the touch screen 2B.

  The button 3 is operated by the user. The button 3 includes buttons 3A to 3F. The controller 10 detects an operation on the button 3 by cooperating with the button 3. The operation on the button 3 includes, for example, click, double click, triple click, push, and multi-push, but is not limited thereto.

  The buttons 3A to 3C are, for example, a home button, a back button, or a menu button. The button 3D is, for example, a power on / off button of the smartphone 1. The button 3D may also serve as a sleep / sleep release button. The buttons 3E and 3F are volume buttons, for example.

  The illuminance sensor 4 detects the illuminance of the ambient light of the smartphone 1. Illuminance indicates light intensity, brightness, or luminance. The illuminance sensor 4 is used for adjusting the luminance of the display 2A, for example. The proximity sensor 5 detects the presence of a nearby object without contact. The proximity sensor 5 detects the presence of an object based on a change in a magnetic field or a change in a feedback time of an ultrasonic reflected wave. The proximity sensor 5 detects that the touch screen display 2 is brought close to the face, for example. The illuminance sensor 4 and the proximity sensor 5 may be configured as one sensor. The illuminance sensor 4 may be used as a proximity sensor.

  The communication unit 6 communicates wirelessly. The communication method supported by the communication unit 6 is a wireless communication standard. Examples of wireless communication standards include cellular phone communication standards such as 2G, 3G, and 4G. As a cellular phone communication standard, for example, LTE (Long Term Evolution), W-CDMA (Wideband Code Multiple Access), CDMA2000, PDC (Personal Digital Cellular, GSM (registered trademark) mmloS) (Personal Handy-phone System). As wireless communication standards, for example, there are WiMAX (Worldwide Interoperability for Microwave Access), IEEE802.11, Bluetooth (registered trademark), IrDA (Infrared Data Association), NFC (NearCo), etc. The communication unit 6 may support one or more of the communication standards described above. The communication unit 6 may support wired communication. Wired communication includes, for example, Ethernet (registered trademark), fiber channel, and the like.

  The receiver 7 and the speaker 11 are sound output units. The receiver 7 and the speaker 11 output the sound signal transmitted from the controller 10 as sound. The receiver 7 is used, for example, to output the other party's voice during a call. The speaker 11 is used for outputting a ring tone and music, for example. One of the receiver 7 and the speaker 11 may also function as the other. The microphone 8 is a sound input unit. The microphone 8 converts the user's voice or the like into a sound signal and transmits the sound signal to the controller 10.

  The storage 9 stores programs and data. The storage 9 is also used as a work area for temporarily storing the processing result of the controller 10. The storage 9 may include any non-transitory storage medium such as a semiconductor storage medium and a magnetic storage medium. The storage 9 may include a plurality of types of storage media. The storage 9 may include a combination of a portable storage medium such as a memory card, an optical disk, or a magneto-optical disk and a storage medium reader. The storage 9 may include a storage device used as a temporary storage area such as a RAM (Random Access Memory).

  The programs stored in the storage 9 include an application executed in the foreground or the background and a control program that supports the operation of the application. For example, the application displays a screen on the display 2A, and causes the controller 10 to execute processing according to a gesture detected via the touch screen 2B. The control program is, for example, an OS. The application and the control program may be installed in the storage 9 via communication by the communication unit 6 or a non-transitory storage medium.

  The storage 9 stores, for example, a control program 9A, atmospheric pressure data 9B, movement state data 9C, and setting data 9D. The atmospheric pressure data 9 </ b> B includes information regarding the relationship between the detection result of the atmospheric pressure sensor 19 and the state of the smartphone 1. The atmospheric pressure data 9B stores a relationship between a detection result of the atmospheric pressure sensor 19 and a reference for determining whether or not the object is immersed in water, which is detected in advance by a test or a simulation. The movement state data 9C includes information used for estimating the movement method of the user. The movement state data 9C stores a correspondence relationship between the detection result of the sensor and the movement method, which is detected in advance by a test or a simulation. The setting data 9 </ b> D includes information related to various settings related to the operation of the smartphone 1.

  The control program 9A provides functions related to various controls for operating the smartphone 1. The control program 9A realizes a call by controlling the communication unit 6, the receiver 7, the microphone 8, and the like, for example. The function provided by the control program 9A includes a function of performing various controls such as changing information displayed on the display 2A according to a gesture detected via the touch screen 2B. The function provided by the control program 9A may be used in combination with a function provided by another program such as the mail application 9B.

  The controller 10 is an arithmetic processing device. The arithmetic processing unit includes, for example, a CPU (Central Processing Unit), an SoC (System-on-a-chip), an MCU (Micro Control Unit), and an FPGA (Field-Programmable Gate Array), but is not limited thereto. The controller 10 controls various operations of the smartphone 1 to realize various functions.

  Specifically, the controller 10 executes instructions included in the program stored in the storage 9 while referring to the data stored in the storage 9 as necessary. And the controller 10 controls a function part according to data and a command, and implement | achieves various functions by it. The functional unit may include, for example, at least one of the display 2A, the communication unit 6, the receiver 7, and the speaker 11, but is not limited thereto. The controller 10 may change the control according to the detection result of the detection unit. The detection unit includes, for example, a touch screen 2B, a button 3, an illuminance sensor 4, a proximity sensor 5, a microphone 8, a camera 12, a camera 13, an acceleration sensor 15, an orientation sensor 16, a gyroscope 17, a magnetic sensor 18, and an atmospheric pressure sensor 19. Although at least one may be included, it is not limited to these.

  For example, by executing the control program 9A, the controller 10 executes various controls such as changing information displayed on the display 2A according to a gesture detected via the touch screen 2B.

  The camera 12 is an in-camera that captures an object facing the front face 1A. The camera 13 is an out camera that captures an object facing the back face 1B.

  The connector 14 is a terminal to which another device is connected. The connector 14 may be a general-purpose terminal such as USB (Universal Serial Bus), HDMI (registered trademark) (High-Definition Multimedia Interface), Light Peak (Thunderbolt (registered trademark)), and an earphone microphone connector. . The connector 14 may be a dedicated terminal such as a dock connector. Devices connected to the connector 14 include, but are not limited to, external storage, speakers, and communication devices, for example.

  The acceleration sensor 15 detects the direction and magnitude of acceleration acting on the smartphone 1. The direction sensor 16 detects the direction of geomagnetism. The gyroscope 17 detects the angle and angular velocity of the smartphone 1. The magnetic sensor 18 detects the magnetic force around the smartphone 1. The atmospheric pressure sensor 19 detects the atmospheric pressure (atmospheric pressure) outside the smartphone 1. The atmospheric pressure sensor 19 is located inside the housing 20. The housing 20 is a hole that does not allow water to pass through but allows air to pass through. Thereby, the atmospheric | air pressure sensor 19 can detect the atmospheric | air pressure of the outer side of the smart phone 1 in the state located inside. The detection results of the acceleration sensor 15, the azimuth sensor 16, and the gyroscope 17 are used in combination in order to detect changes in the position and orientation of the smartphone 1.

  In FIG. 4, some or all of the programs and data stored in the storage 9 may be downloaded from another device through communication by the communication unit 6. 4 may be stored in a non-transitory storage medium that can be read by a reading device included in the storage 9. 4 may be stored in a non-transitory storage medium that can be read by a reading device connected to the connector 14. Non-transitory storage media include, for example, optical disks such as CD (registered trademark), DVD (registered trademark), and Blu-ray (registered trademark), magneto-optical disks, magnetic storage media, memory cards, and solid-state storage media Including, but not limited to.

  The configuration of the smartphone 1 illustrated in FIG. 4 is an example, and may be appropriately changed within a range not impairing the gist of the present invention. For example, the number and type of buttons 3 are not limited to the example of FIG. The smartphone 1 may include buttons such as a numeric keypad layout or a QWERTY layout as buttons for operations related to the screen instead of the buttons 3A to 3C. The smartphone 1 may include only one button or may not include a button for operations related to the screen. In the example illustrated in FIG. 4, the smartphone 1 includes two cameras, but the smartphone 1 may include only one camera or may not include a camera. In the example illustrated in FIG. 4, the smartphone 1 includes three types of sensors in order to detect the position and orientation, but the smartphone 1 may not include some of these sensors. Alternatively, the smartphone 1 may include another type of sensor for detecting at least one of a position and a posture.

  Next, with reference to FIG. 5 to FIG. 10, the control executed by the smartphone 1 will be described. FIG. 5 is a flowchart illustrating an example of control performed by the smartphone according to the embodiment. FIG. 6 is a flowchart illustrating an example of estimation of a movement method of control performed by the smartphone according to the embodiment. FIG. 7 is a flowchart illustrating an example of estimation of a movement method of control performed by the smartphone according to the embodiment. FIG. 8 is a flowchart illustrating an example of determining whether or not the smartphone according to the embodiment is immersed in control water. FIG. 9 is a graph showing an example of the detection result of the atmospheric pressure sensor. FIG. 10 is a flowchart illustrating an example of determining whether or not the smartphone according to the embodiment is immersed in control water.

  That the smartphone 1 is immersed in water means that the smartphone 1 is at a position below the water surface. That the smartphone 1 is immersed in water is a state where the periphery of the smartphone 1 is covered with water, and a state where the outer periphery of the housing 20 is filled with water.

  First, the whole process performed when determining whether the smart phone 1 is immersed in water is demonstrated using FIG. The smartphone 1 can implement the functions shown in FIG. 5 by executing the control program 9 </ b> A stored in the storage 9 by the controller 10. Further, the controller 10 may execute processing procedures for other functions in parallel with the processing procedure shown in FIG.

  First, the controller 10 of the smartphone 1 acquires the detection result of the atmospheric pressure sensor 19 as step S12. The controller 10 acquires the value of the atmospheric pressure from the detection result of the atmospheric pressure sensor 19. Next, the controller 10 acquires the state of the touch screen 2B as step S14. The controller 10 acquires information on the contact state detected by the touch screen 2B. Next, the controller 10 acquires the detection result of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17 as step S16. The controller 10 may acquire detection results of sensors other than the detection results of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17 as information used for estimating the movement state. The controller 10 may process the steps S12, S14, and S16 in different orders or in parallel.

  When the controller 10 acquires various types of information in the processes of step S12, step S14, and step S16, as step S18, the controller 10 estimates the movement method of the user. The estimation of the user movement method will be described later. When estimating the movement method of the user, the controller 10 determines whether or not to execute the determination as to whether the user has been immersed in water as step S20. The controller 10 determines whether or not to determine whether it has been immersed in water based on the movement method of the user.

  If it is determined that the controller 10 has not been immersed in water (No in step S20), the process ends. If it is determined that the controller 10 is immersed in water (Yes in step S20), it is determined in step S22 whether it is immersed in water, the determination result is output, and this process is terminated. The output method of the determination result as to whether or not it is immersed in water is not particularly limited and may be output to other functions or displayed on the display 2A.

  Next, with reference to FIG. 6, the process of step S <b> 18, specifically, an example of estimation of a user's movement method and an example of determination of whether or not to perform water immersion will be described. The controller 10 estimates a user's moving method using the detection result of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17 as step S32. The controller 10 compares the detection results of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17 with the pattern information stored in the movement state data 9C, and estimates the movement method from the comparison result.

  After estimating the movement method of the user, the controller 10 determines whether the estimated movement method is movement by the user's foot as step S34. The movement by the user's foot is a state in which the user is carrying the smartphone and is moving by himself / herself, or a state in which the user moves without getting on the vehicle assisting the movement. The movement by the user's foot includes at least one of walking, that is, walking and running, that is, running. The movement by the user's foot includes walking with a cane or a wheelbarrow. If the controller 10 determines that the movement is by the user's foot (Yes in step S34), the controller 10 determines in step S36 that it can be determined whether it is immersed in water. If it is determined that the movement is not due to the user's foot (No in step S34), the controller 10 determines in step S38 that the determination of whether it is immersed in water is stopped.

  In FIG. 6, the determination method is based on whether the movement method is movement by a user's foot, but is not limited thereto. With reference to FIG. 7, the process of step S <b> 18, specifically, another example of the estimation of the movement method and another example of the determination of whether or not to perform the determination of whether or not it is immersed in water will be described. The process shown in FIG. 7 may be executed in addition to the process shown in FIG. 6, or may be executed separately from the process shown in FIG.

  In step S42, the controller 10 estimates the moving method using the detection results of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17. When the movement method is estimated, the controller 10 determines whether the user is moving with the vehicle as Step S44. The vehicle includes at least one of a bicycle, a motorcycle, an automobile, a train, an amphibious vehicle, a ship, and an airplane. If the controller 10 determines that the user is not moving by the vehicle (No in step S44), the controller 10 proceeds to step S49. If the controller 10 determines that the vehicle is moving (Yes in step S44), the controller 10 determines whether the vehicle is supposed to enter water as step S46. Vehicles expected to enter water include at least one of a ship and an amphibious vehicle. Ships include canoes, boats, ferries, cargo ships and passenger ships. If the controller 10 determines that the vehicle is supposed to enter water (Yes in step S46), the controller 10 proceeds to step S49. If the controller 10 determines that the vehicle is not expected to enter water (Yes in step S46), the controller 10 determines in step S48 whether the vehicle is immersed in water as a stop. When it is determined No in step S44 or Yes in step S46, the controller 10 determines in step S49 that it can be determined whether it is immersed in water.

  In the present embodiment, the user's movement method is estimated using the detection results of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17. However, the present invention is not limited to this. The moving method may be estimated using at least one detection result of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17. For example, the controller 10 estimates the movement method by comparing the acceleration pattern acquired from the detection result of the acceleration sensor 15 with the pattern data stored in the movement state data 9C. For example, the controller 10 estimates the movement method by comparing the surrounding magnetic data acquired from the detection result of the magnetic sensor 18 and the pattern data stored in the movement state data 9C. The controller 10 may estimate the movement method of the user using the detection results of the acceleration sensor 15, the magnetic sensor 18, and the gyroscope 17. For example, the controller 10 may detect the movement route based on the position information detected by the position information detection and the map data, and may estimate the movement method from a movement method that can move the movement route.

  Next, the process of step S22, specifically, an example of whether or not it is immersed in water will be described with reference to FIGS. The controller 10 determines whether it is immersed in water based on the detection result of the atmospheric | air pressure sensor 19 as step S52. As shown in FIG. 9, the value detected by the atmospheric pressure sensor 19 increases when the smartphone (terminal) 1 is immersed in water. The controller 10 determines whether or not it is immersed in water based on the data stored in the atmospheric pressure data 9B and the change in the atmospheric pressure value. For example, when the change in the atmospheric pressure generated during the set time interval is equal to or greater than the set threshold value, the controller 10 determines that the state is changed from being not immersed in water to being immersed in water.

  Based on the result of the atmospheric pressure sensor 19, the controller 10 determines whether the own device is immersed in water as step S54. When it is determined that the controller 10 is immersed in water (Yes in Step S54), the controller 10 proceeds to Step S62. When it is determined that the controller 10 is not immersed in water (No in step S54), in step S56, the controller 10 determines whether it is immersed in water based on the state of the touch screen 2B. The controller 10 determines whether it is immersed in water based on the contact point detected by the touch screen 2B and the output value at the contact point. When it is determined that the controller 10 is immersed in water (Yes in Step S58), the controller 10 proceeds to Step S62. If it is determined that the controller 10 is not immersed in water (No in step S58), the controller 10 outputs a determination result indicating that it is not immersed in water as step S60. When it determines with Yes at step S54 and step S58, the controller 10 outputs the determination result to the effect of being immersed in water as step S62.

  Further, the controller 10 may repeatedly execute the process of step S58 for a predetermined time. Another example of the process in step S22 will be described with reference to FIG. The controller 10 determines whether it is immersed in water based on the detection result of the atmospheric | air pressure sensor 19 as step S52. If controller 10 determines whether it is immersed in water based on the result of atmospheric pressure sensor 19, it will determine whether it is immersed in water as Step S54. When it is determined that the controller 10 is immersed in water (Yes in Step S54), the controller 10 proceeds to Step S62. When it is determined that the controller 10 is not immersed in water (No in step S54), in step S56, the controller 10 determines whether it is immersed in water based on the state of the touch screen 2B. The controller 10 determines whether it is immersed in water based on the contact point detected by the touch screen 2B and the output value at the contact point. When it is determined that the controller 10 is immersed in water (Yes in Step S58), the controller 10 proceeds to Step S62. If it is determined that the controller 10 is not immersed in water (No in step S58), the controller 10 determines whether the set time has elapsed (step S72). If the controller 10 determines that the set time has not elapsed (No in step S72), the controller 10 returns to step S56. When it is determined that the set time has elapsed (Yes in step S72), the controller 10 outputs a determination result indicating that it is not immersed in water as step S60. When it determines with Yes at step S54 and step S58, the controller 10 outputs the determination result to the effect of being immersed in water as step S62.

  As described above, the controller 10 determines whether the user is immersed in water based on the movement method of the user and the result of the atmospheric pressure sensor 19. The controller 10 can suppress the determination that the change in atmospheric pressure due to movement is immersed in water. When the smartphone 1 is in a vehicle, it stops determining whether it is immersed in water. For example, when the smartphone 1 is in a vehicle and the altitude changes or enters a tunnel, the pressure sensor Even if the value detected at 19 changes, it is not determined that the object is immersed in water. The smartphone 1 can reduce erroneous determinations that determine that the smartphone 1 is immersed in water even though it is not immersed in water.

  In the above embodiment, the movement state (movement method) is estimated and it is determined whether or not the determination based on the result of the atmospheric pressure sensor 19 is performed. However, the present invention is not limited to this. The smartphone 1 determines whether the mobile phone 1 is immersed in water based on the determination of the atmospheric pressure sensor 19, and then determines the moving state. If the smartphone 1 is on a vehicle, the smartphone 1 cancels the determination that the mobile phone 1 is immersed in water. Good.

  As shown in FIG. 6, the controller 10 determines whether or not the moving method is a movement by a user's foot, so that the smartphone 1 may be a moving method that may be immersed in water. Can be estimated. As a result, the smartphone 1 is highly likely to be immersed in water, and the movement of the user's foot is unlikely to occur due to the movement, so that the smartphone 1 is highly accurate based on the change of the atmospheric pressure. It can be determined whether or not it has been immersed in water.

  As illustrated in FIG. 7, the controller 10 determines whether or not the movement method is a movement method by a vehicle, thereby estimating whether or not the smartphone 1 is a movement method with a low possibility of being immersed in water. be able to. Thereby, it is unlikely that the smartphone 1 is soaked in water, and there is a possibility that a large change in atmospheric pressure may occur due to movement. Whether the smartphone 1 has been immersed in water based on a change in atmospheric pressure in the case of movement by vehicle By stopping the determination of whether or not, it is possible to suppress erroneous detection that the smartphone 1 has been immersed in water. In addition, in the case of a vehicle that is supposed to enter water, the controller 10 determines whether the smartphone 1 is immersed in water based on a change in atmospheric pressure, so that there is water in the surroundings and the smartphone 1 is in water. It is possible to determine whether or not the smartphone 1 has been immersed in water by a moving method that may be immersed in the water.

  As shown in FIG. 9, the controller 10 uses the detection result of the touch screen 2 </ b> B in addition to the atmospheric pressure sensor 19 to determine whether the smartphone 1 is immersed in water with higher accuracy. It can be determined whether or not it has been soaked. In this embodiment, when the atmospheric pressure sensor 19 is not immersed in water, detection is performed on the touch screen 2B. However, the detection conditions and the order of determination are not limited thereto.

  As shown in FIG. 10, the controller 10 can determine whether the smartphone 1 has been immersed in water with higher accuracy by repeating the determination using the detection result of the touch screen 2B for a certain period of time.

  In the above embodiment, when the movement method is a vehicle, the controller 10 stops determining whether the smartphone 1 is immersed in water, but when the movement method is a vehicle and it is determined that an accident has occurred. It may be determined whether the smartphone 1 has been immersed in water. Further, the time history of data used for detection of the movement method may be shortened, and when the vehicle is stopped, it may be determined that the movement is due to the user's foot.

  Embodiment which this application discloses can be changed in the range which does not deviate from the summary and range of invention. Furthermore, the embodiment disclosed in the present application and its modifications can be combined as appropriate. For example, the above embodiment may be modified as follows.

  For example, each program shown in FIG. 4 may be divided into a plurality of modules, or may be combined with other programs.

  In the above embodiment, a smartphone has been described as an example of a device including a touch screen, but the device according to the appended claims is not limited to a smartphone. The device according to the appended claims may be a portable electronic device other than a smartphone. Examples of portable electronic devices include, but are not limited to, mobile phones, tablets, portable personal computers, digital cameras, media players, electronic book readers, navigators, and game machines.

  The characterizing embodiments have been described in order to fully and clearly disclose the technology according to the appended claims. However, the appended claims should not be limited to the above-described embodiments, but all modifications and alternatives that can be created by those skilled in the art within the scope of the basic matters shown in this specification. Should be configured to embody such a configuration.

DESCRIPTION OF SYMBOLS 1 Smart phone 2 Touch screen display 2A Display 2B Touch screen 3 Button 4 Illuminance sensor 5 Proximity sensor 6 Communication unit 7 Receiver 8 Microphone 9 Storage 9A Control program 9B Air pressure data 9C Movement state data 9D Setting data 10 Controller 11 Speaker 12, 13 Camera 14 Connector 15 Acceleration sensor 16 Direction sensor 17 Gyroscope 18 Magnetic sensor 19 Atmospheric pressure sensor 20 Housing

Claims (16)

An atmospheric pressure sensor for measuring the value of atmospheric pressure;
A control unit that estimates a movement method of a user who uses the device,
The said control part is a portable apparatus which estimates whether the own machine was immersed in water based on the said moving method and the value of the said atmospheric | air pressure. The portable device according to claim 1, wherein the control unit estimates whether or not the own device has been immersed in water based on the movement method and whether or not the value of the atmospheric pressure satisfies a condition. The portable device according to claim 1, wherein the movement method includes movement by a user's foot and movement by a vehicle. The portable device according to claim 3, wherein the control unit estimates that the own device is immersed in water when the condition is satisfied when the movement method is estimated as movement by the foot. The portable device according to claim 3 or 4, wherein the control unit does not estimate that the own device has been immersed in water based on the condition when the movement method is estimated to be movement by the vehicle. The control unit according to any one of claims 3 to 5, wherein when the movement method is estimated as movement by the vehicle, the control unit does not estimate that the aircraft has been immersed in water even if the condition is satisfied. Mobile device. The control unit estimates whether the vehicle is assumed to enter water when the movement method is estimated to be movement by the vehicle,
The portable device according to any one of claims 3 to 6, wherein when it is determined that the vehicle is a vehicle expected to enter water, the mobile device is estimated to have been immersed in water when the condition is satisfied. The portable device according to any one of claims 3 to 7, wherein the movement by the foot includes at least one of walking and running. The portable device according to any one of claims 3 to 8, wherein the movement by the vehicle includes at least one of a bicycle, a motorcycle, an automobile, a train, and an airplane. It further comprises an acceleration sensor that measures the value of acceleration,
The portable device according to claim 1, wherein the control unit determines the movement method using a value of the acceleration. A magnetic sensor for measuring the value of magnetic force;
The portable device according to claim 1, wherein the control unit determines the movement method using the value of the magnetic force. A touch screen,
The portable device according to any one of claims 1 to 11, wherein the control unit estimates whether or not the controller is immersed in the water based on the movement method, the value of the atmospheric pressure, and the detection result of the touch screen. . The control unit estimates whether or not it is immersed in the water based on the movement method and the value of the atmospheric pressure, and when it is estimated that the controller is not immersed in the water, the contact point detected by the touch screen and the The portable device according to claim 12, wherein it is estimated whether or not the own device is immersed in water based on an output value at the contact point. The estimation as to whether or not the subject is immersed in water based on the detection result of the touch screen is repeated for a predetermined time from when it is estimated that the subject is not immersed in the water based on the moving method and the value of the atmospheric pressure. Mobile device. A water immersion estimation method for controlling a portable device including an atmospheric pressure sensor,
Estimating a moving method;
Detecting a value of atmospheric pressure based on the atmospheric pressure sensor;
Estimating whether or not the aircraft has been immersed in water based on the moving method and the value of the atmospheric pressure;
A method for estimating water immersion. For portable devices equipped with barometric pressure sensors,
Estimating a moving method;
Detecting a value of atmospheric pressure based on the atmospheric pressure sensor;
Estimating whether or not the aircraft has been immersed in water based on the moving method and the value of the atmospheric pressure;
A water immersion estimation program.

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