JP2017150866A - Wearable device, terminal device, and navigation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wearable device, a terminal device, and a navigation system which can reduce dangers that can be posed on users and their surrounding when the users are notified of a moving direction.SOLUTION: A wearable device 51 includes a plurality of vibrators B1 to B4; a sensor 53 designed to detect the direction of the wearable device 51; and at least one CPU 55 designed to vibrate one of the vibrators B1 to B4 for a travelling direction of a user based on the detected direction of the wearable device 51.SELECTED DRAWING: Figure 4

Description

  The present disclosure relates to a wearable device, a terminal device, and a navigation system.

  2. Description of the Related Art In recent years, there are known devices having a function of knowing directions without looking at a map displayed on a car navigation system or a portable terminal.

  For example, in Patent Document 1, when the user operates the touch panel, the orientation of the upper end of the display screen is detected. When the orientation of the upper end is the north direction, the touch panel vibrates by driving the actuator, whereas When the direction is other than the north direction, a terminal that is held without any actuator being driven is described.

JP 2005-10119 A

  However, the terminal of Patent Document 1 has room for improvement in the technique of notifying the user of the traveling direction.

  Therefore, an object of the present disclosure is to provide a wearable device, a terminal device, and a navigation system that notify a user of a traveling direction in an easy-to-understand manner.

  The wearable device according to the embodiment includes a plurality of vibrators, a sensor configured to detect the orientation of the own device, and the direction of the user among the plurality of vibrators based on the orientation of the own device. At least one processor configured to vibrate a corresponding vibrator.

  According to one embodiment, it is possible to notify the user of the traveling direction more easily.

It is a figure for demonstrating the navigation system of embodiment. It is a figure showing the external appearance of a wearable apparatus. It is a figure showing an example of a structure of a terminal device. It is a figure showing an example of composition of wearable equipment. It is a flowchart showing an example of the operation | movement procedure of the navigation system of 1st Embodiment. It is a figure showing an example of the rotation state of the wearable apparatus at the time of a guidance start. It is a figure showing an example of the rotation angle with respect to the center of several vibrators at the time of a guidance start. It is a figure showing an example of the rotation state of the wearable apparatus during a walk. It is a figure showing an example of the rotation angle with respect to the center of the some vibrator during a walk. It is a flowchart showing an example of the operation | movement procedure of the navigation system of 2nd Embodiment. It is a figure showing an example of a structure of the wearable apparatus of 3rd Embodiment. It is a flowchart showing an example of the operation | movement procedure of the navigation system of 3rd Embodiment. It is a figure showing an example of the absolute azimuth | direction of a wearable apparatus. It is a figure showing an example of a structure of the wearable apparatus of 4th Embodiment. It is a flowchart showing an example of the operation | movement procedure of the wearable apparatus of 4th Embodiment. It is a figure showing an example of a structure of the wearable apparatus of 5th Embodiment. It is a flowchart showing an example of the operation | movement procedure of the wearable apparatus of 5th Embodiment. It is a figure showing an example of composition of a car navigation device. It is a figure showing an example of the rotation state of the wearable apparatus at the time of a guidance start. It is a figure showing an example of the rotation state of the wearable apparatus in driving | operation. It is a figure showing an example of a structure of the terminal device of 7th Embodiment.

Hereinafter, embodiments will be described with reference to the drawings.
[First Embodiment]
FIG. 1 is a diagram for explaining a navigation system according to an embodiment. FIG. 2 is a diagram illustrating an example of the appearance of wearable device 51.

  With reference to FIG. 1 and FIG. 2, the navigation system includes a terminal device 1 and a wearable device 51. The wearable device 51 can be a watch-type device having an elliptical shape. The wearable device 51 includes vibrators B1 to B4. Vibrators B3 and B4 can be arranged to face each other in the major axis direction of the ellipse. Vibrators B1 and B2 can be arranged to face each other in the minor axis direction of the ellipse.

  The terminal device 1 can obtain a route from the current position of the user to the destination, determine the traveling direction of the user based on the route, and can instruct the wearable device 51. The wearable device 51 vibrates a vibrator corresponding to the instructed traveling direction among the four vibrators B1 to B4. In the example of FIG. 1, at a point far from the intersection, the user can be instructed to go straight by vibrating the vibrator B <b> 3 in the straight ahead direction. At the point immediately before the intersection, the left vibrator B1 vibrates, so that the user can be instructed to turn left.

  In general, in order to guide the user using the terminal device 1, it is conceivable to display the traveling direction on the display of the terminal device 1 or to notify the traveling direction by voice through an earphone. However, in such a method, the user needs to look at the display of the terminal device 1 or listen to the voice guidance while walking, and thus cannot safely guide the user to the destination. According to this navigation system, since the vibrator B1, B2, B3, or B4 corresponding to the traveling direction of the wearable device 51 vibrates, the user can safely guide the user to the destination.

FIG. 3 is a diagram illustrating an example of the configuration of the terminal device 1.
The terminal device 1 includes a mobile phone, a smartphone, a notebook computer, a tablet terminal, a notebook computer, and the like. In the following description, the terminal device 1 is described on the assumption that it is a smartphone. However, the terminal device 1 to which the technical features of the present disclosure are applied is not limited to a smartphone.

  Referring to FIG. 3, this terminal device 1 includes a main CPU (Central Processing Unit) 2, a sub CPU 3, a memory 35, a camera 5, a microphone 6, a speaker 7, a display 8, and a touch panel 9. , Wireless communication circuit 10, near field communication circuit 11, gyro sensor 12, acceleration sensor 17, proximity sensor 13, illuminance sensor 14, antenna 15, vibrator 16, geomagnetic sensor 18, GPS (Global Positioning System) receiver 19.

  The main CPU 2 can control all the components of the terminal device 1. In order to reduce power consumption, the terminal device 1 may shift to a sleep mode in which power supply to a predetermined component such as the display 8 is suppressed when a certain condition is satisfied. In the sleep mode, the terminal device 1 may cause the sub CPU 3 to perform predetermined control so that some or all of the functions of the main CPU 2 do not operate. When some or all of the functions of the main CPU 2 are not operating, the terminal device 1 may cause the sub CPU 3 to execute some or all of the functions of the main CPU 2 that are not operating instead. The terminal device 1 may execute various controls by using the main CPU 2 and the sub CPU 3 cooperatively or selectively.

  The sub CPU 3 may mainly receive signals from the illuminance sensor 14, the proximity sensor 13, the gyro sensor 12, the acceleration sensor 17, and the geomagnetic sensor 18 and store the detection results of these sensors in the memory 35. The sub CPU 3 may notify the main CPU 2 that signals from these sensors have been received. When some or all of the functions of the main CPU 2 are not operating, the sub CPU 3 may shift to the normal mode when the main CPU 2 is notified that signals from these sensors have been received. At least one of the main CPU 2 and the sub CPU 3 can refer to the detection result of the sensor in the memory 35.

  The memory 35 can store various data such as map information and programs. The memory 35 includes a control program storage unit 4 that stores a control program.

  The main CPU 2 and the sub CPU 3 function as the control unit 20 by executing a control program.

The speaker 7 can output the other party's voice, ringtone, notification sound, and the like.
The microphone 6 can input a sound of the user of the terminal device 1 and a sound outside the terminal device 1 such as a sound representing an instruction to the terminal device 1 generated by the user.

The camera 5 can photograph a subject.
The display 8 can be constituted by a liquid crystal display, for example. The display 8 may be a display device such as an organic EL display (OELD: Organic Electro-Luminescence Display) or an inorganic EL display (IELD: Inorganic Electro-Luminescence Display).

  The touch panel 9 can accept input from the user. The touch panel 9 is of a capacitive type, for example. The touch panel 9 may be provided on the surface of the display 8, for example.

  The wireless communication circuit 10 can communicate with, for example, a wireless base station or another device having a communication function through the antenna 15. A communication system supported by the wireless communication circuit is a wireless communication standard. Examples of wireless communication standards include cellular phone communication standards such as 2G, 3G, 4G, and 5G. Cellular phone communication standards include, for example, LTE (Long Term Evolution), W-CDMA (Wideband Code Division Multiple Access), CDMA2000 (Wideband Code Division Multiple Access G (registered Cell Access 2000), PDC (Global System for Mobile Communications), PHS (Personal Handy-phone System), and the like. The wireless communication standards further include, for example, WiMAX (Worldwide Interoperability for Microwave Access), IEEE 802.11, Bluetooth (registered trademark), and the like. The wireless communication circuit 10 may support one or more of the communication standards described above.

  The short-range communication circuit 11 can communicate with other devices such as the wearable device 51 according to the Bluetooth method. The near field communication circuit 11 may be an IrDA (Infrared Data Association) standard or an NFC (Near Field Communication) standard.

  The gyro sensor 12 can detect the angular velocity of the terminal device 1. The main CPU 2 can detect the rotation of the terminal device 1 by integrating the angular velocity output from the gyro sensor 12.

  The acceleration sensor 17 can detect acceleration, that is, an amount representing how much the speed has changed in a certain time.

  The proximity sensor 13 can detect whether or not an object exists near the terminal device 1 by radiating infrared rays and converting reflected light into current.

  The illuminance sensor 14 can detect the illuminance of the place where the terminal device 1 is placed by converting light incident on the terminal device 1 into current.

  The vibrator 16 can vibrate when notification to the user is required, for example, when an incoming call is received.

The geomagnetic sensor 18 can detect the absolute orientation of the terminal device 1.
The GPS receiver 19 can output the current position of the terminal device 1 by receiving a signal from a GPS satellite.

FIG. 4 is a diagram illustrating an example of the configuration of wearable device 51.
Referring to FIG. 4, wearable device 51 includes a vibration unit 54, a short-range communication circuit 52, a gyro sensor 53, a CPU 55, a memory 56, and an instruction button 65.

  The memory 56 can store various data and programs. The memory 56 includes a control program storage unit 57 that stores a control program.

The CPU 55 functions as the control unit 58 by executing the control program.
The vibration part 54 includes vibrators B1 to B4. Vibrators B1 to B4 include, for example, a motor for generating vibration or a piezoelectric element.

  The gyro sensor 53 can detect the angular velocity of the wearable device 51. The CPU 55 can detect the three-dimensional rotation angle with respect to the center O of the vibrators B <b> 1 to B <b> 4 of the wearable device 51 as the direction of the wearable device 51 by integrating the angular velocity output from the gyro sensor 53.

  The short-range communication circuit 52 can communicate with other devices such as the terminal device 1 according to the Bluetooth system.

The instruction button 65 receives a predetermined instruction from the user.
FIG. 5 is a flowchart illustrating an example of an operation procedure of the navigation system according to the first embodiment.

  In step S <b> 101, communication connection can be performed between the short-range communication circuit 11 of the terminal device 1 and the short-range communication circuit 52 of the wearable device 51.

  In step S <b> 102, when the user inputs a destination by operating the touch panel 9 of the terminal device 1, the main CPU 2 of the terminal device 1 can store the destination in the memory 35.

  In step S <b> 103, the main CPU 2 of the terminal device 1 can acquire the current position from the GPS receiver 19.

  In step S <b> 104, the main CPU 2 of the terminal device 1 can create a route from the current position to the designated destination based on the map information stored in the memory 35.

  In step S105, the main CPU 2 of the terminal device 1 can determine the traveling direction at the current position as one of straight, reverse, right, and left according to the created route. The straight direction may represent the same direction as the current traveling direction when the user is moving. When the user is stopped at an intersection or the like, the straight traveling direction can be the same as the previous traveling direction. Alternatively, when the user is stopped at an intersection or the like, the determination of the traveling direction at the current position may be stopped until the user moves. For example, the main CPU 2 may acquire the current position a plurality of times at a predetermined timing, and may determine that the user is moving when each of the current positions acquired a plurality of times is separated by a predetermined distance or more. The main CPU 2 may determine that the user is stopped when the current positions acquired a plurality of times are separated by a predetermined distance or less. The main CPU 2 may determine that the user is stopped when each of the current positions acquired a plurality of times is the same position. For example, the main CPU 2 may repeatedly acquire the acceleration detected by the acceleration sensor 17 and may determine that the user is moving when the repeatedly acquired acceleration has a characteristic characteristic during movement. For example, the main CPU 2 may repeatedly acquire the acceleration detected by the acceleration sensor 17 and may determine that the user is stopped when the repeatedly acquired acceleration has a characteristic characteristic while the user is stopped. The characteristic unique to the movement of the user or the characteristic unique to the stop of the user is, for example, by measuring in advance the acceleration detected by the acceleration sensor 17 during the movement of the user or the stop of the user, Can be obtained by analyzing the characteristics of The characteristic acquired during the movement of the user acquired in advance or the characteristic specific to the stop of the user may be stored in the terminal device 1 in advance.

  In step S <b> 106, the main CPU 2 of the terminal device 1 can transmit a traveling direction instruction signal indicating the traveling direction determined through the short-range communication circuit 11 to the wearable device 51.

  In step S <b> 107, the main CPU 2 of the terminal device 1 can acquire the current position from the GPS receiver 19.

  In step S108, the process ends when the current position matches the destination, and the process returns to step S104 when the current position does not match the destination.

  On the other hand, the wearable device 51, after step S101, in step S108, when the user sets the rotation angle with respect to the center O of the wearable device 51 to the standard angle and presses the guidance start instruction button 65, the CPU 55 causes the gyro sensor The acquisition of the angular velocity from 53 can be started.

  FIG. 6 is a diagram illustrating an example of the rotation state of wearable device 51 at the start of guidance. FIG. 7 is a diagram illustrating an example of a rotation angle with respect to the center O of the plurality of vibrators B1 to B4 at the start of guidance.

  The user holds the terminal device 1 with the left hand and wears the wearable device 51 on the wrist of the left hand. The user inputs a destination by operating the touch panel 9 of the terminal device 1. Thereafter, the user operates the instruction button 65 (not shown) of the wearable device 51 while maintaining the rotation angle of the wearable device 51 to start guidance to the destination.

  In FIG. 7, the Z axis represents the vertical direction, the positive direction of the Y axis represents the traveling direction, the negative direction of the Y axis represents the backward traveling direction, the positive direction of the X axis represents the right direction with respect to the traveling direction, The negative direction of the axis indicates the left direction with respect to the traveling direction.

  The distance between the center O and the vibrators B1 and B2 is r1, and the distance between the center O and the vibrators B3 and B4 is r2. r1 <r2.

  The vibrator close to the traveling direction is the angle formed by the vector from the center O to the location (x, y, z) and the ZY plane among the vibrators whose Y component at the location (x, y, z) is positive. Is the smallest vibrator. In FIG. 7, θ1 is minimized. The vibrator close to the reverse direction is an angle formed by the vector from the center O to the location (x, y, z) and the ZY plane among the vibrators having a negative Y component at the location (x, y, z). Is the smallest vibrator. In FIG. 7, θ2 is minimized. The vibrator near the right direction is a vector from the center O to the location (x, y, z) out of the two vibrators excluding the vibrator near the traveling direction and the vibrator near the backward direction from the four vibrators B1 to B4. The vibrator with the smaller angle formed with the vector (1, 0, 0) representing the positive direction of the X-axis is assumed. The vibrator near the left direction is a vector from the center O to the location (x, y, z) out of the two vibrators excluding the vibrator near the traveling direction and the vibrator near the backward direction from the four vibrators B1 to B4. , A vibrator having a smaller angle with a vector (−1, 0, 0) representing the negative direction of the X-axis.

  At the start of guidance, vibrator B1 of wearable device 51 is in the traveling direction from center O, vibrator B2 is in the backward direction from center O, vibrator B3 is in the left direction from center O, and vibrator B4 is in the right direction from center O. It is supposed to be in

  In step S <b> 109, the short-range communication circuit 52 of the wearable device 51 can receive the traveling direction instruction signal from the terminal device 1.

  In step S110, the CPU 55 of the wearable device 51 identifies the rotation angle from the standard angle with respect to the center O of the vibrators B1 to B4 of the wearable device 51 as the direction of the wearable device 51 by integrating the angular velocity from the gyro sensor 53. can do.

  FIG. 8 is a diagram illustrating an example of a rotation state of wearable device 51 during walking. FIG. 9 is a diagram illustrating an example of a rotation angle with respect to the center O of the plurality of vibrators B1 to B4 during walking.

  In FIG. 9, among the vibrators having a positive Y component at the location (x, y, z), the angle between the vector from the center O to the location (x, y, z) and the ZY plane is the smallest. The vibrator is B3, and θ3 is minimized. Among the vibrators having a negative Y component at the location (x, y, z), the vibrator having the smallest angle between the vector from the center O to the location (x, y, z) and the ZY plane is B4. And θ4 is minimized. Of the remaining vibrators B1 and B2, the vibrator having the smaller angle with the vector (1, 0, 0) representing the positive direction of the X axis is vibrator B2, and is a vector (− The vibrator having the smaller angle with (1, 0, 0) is vibrator B1.

  Therefore, vibrator B3 of wearable device 51 is in the traveling direction from center O, vibrator B4 is in the backward direction from center O, vibrator B1 is in the left direction from center O, and vibrator B2 is in the right direction from center O.

  In step S111, the CPU 55 of the wearable device 51 is in the direction closest to the direction indicated by the traveling direction instruction signal among the vibrators B1 to B4 according to the rotation angle from the standard angle with respect to the center O of the vibrators B1 to B4. The vibrator can be vibrated.

  As described above, according to the first embodiment, the vibrator mounted on the wearable device 51 vibrates corresponding to the traveling direction (straight forward, reverse travel, right, left). The user of wearable device 51 can know the traveling direction without looking at the screen of the terminal device. As a means for notifying the user of the direction of travel, there is a method using voice guidance, but walking while wearing earphones is dangerous. Furthermore, bicycle driving while wearing earphones is prohibited by law. On the other hand, the method according to the first embodiment has an advantage that it does not involve such danger.

  In the first embodiment, the wearable device can receive a notification of the traveling direction from the terminal device and select a vibrator corresponding to the traveling direction.

[Second Embodiment]
FIG. 10 is a flowchart illustrating an example of an operation procedure of the navigation system according to the second embodiment.

  In step S <b> 201, communication connection can be performed between the short-range communication circuit 11 of the terminal device 1 and the short-range communication circuit 52 of the wearable device 51.

  In step S <b> 202, when the user inputs the destination by operating the touch panel 9 of the terminal device 1, the main CPU 2 of the terminal device 1 can store the destination in the memory 35.

  In step S <b> 203, the main CPU 2 of the terminal device 1 can acquire the current position from the GPS receiver 19.

  In step S204, the main CPU 2 of the terminal device 1 can create a route from the current position to the designated destination based on the map information stored in the memory 35.

  In step S205, the main CPU 2 of the terminal device 1 can determine the traveling direction at the current position as one of straight, reverse, right, and left according to the created route.

  In wearable device 51, after step S 201, in step S 206, when the user sets the rotation angle with respect to center O of wearable device 51 to the standard angle and presses guidance start instruction button 65, CPU 55 causes gyro sensor 53 to The acquisition of the angular velocity can be started.

  In step S207, the CPU 55 of the wearable device 51 identifies the rotation angle from the standard angle with respect to the center O of the vibrators B1 to B4 of the wearable device 51 as the direction of the wearable device 51 by integrating the angular velocity from the gyro sensor 53. can do.

  In step S <b> 208, the CPU 55 of the wearable device 51 can transmit a rotation angle notification signal representing the specified rotation angle to the terminal device 1 through the short-range communication circuit 52.

  In step S209, the short-range communication circuit 11 of the terminal device 1 can receive the rotation angle notification signal transmitted from the wearable device 51.

  In step S210, the CPU 55 of the wearable device 51 can specify a vibrator in the direction closest to the traveling direction determined in the vibrators B1 to B4 based on the received rotation angle notification signal.

  In step S <b> 211, the main CPU 2 of the terminal device 1 can transmit, through the short-range communication circuit 11, a vibration instruction signal that is designated as a vibrator that vibrates the identified vibrator to the wearable device 51.

  In step S <b> 212, the short-range communication circuit 52 of the wearable device 51 can receive a vibration instruction signal from the terminal device 1.

  In step S213, the CPU 55 of the wearable device 51 can vibrate the vibrator specified by the received vibration instruction signal among the vibrators B1 to B4.

  In step S214, the main CPU 2 of the terminal device 1 can acquire the current position from the GPS receiver 19.

  If the current position matches the destination in step S215, the process ends. If the current position does not match the destination, the process returns to step S204.

  As described above, according to the second embodiment, similarly to the first embodiment, the vibrator mounted on the wearable device corresponding to the traveling direction (straight forward, reverse, right, left) vibrates. Can know the traveling direction without looking at the screen of the terminal device. In the second embodiment, the terminal device can receive a notification of the rotation angle of the wearable device from the wearable device and select a vibrator corresponding to the traveling direction.

[Third Embodiment]
FIG. 11 is a diagram illustrating an example of the configuration of the wearable device 53 according to the third embodiment.

  The wearable device 53 is different from the wearable device 51 of FIG. 4 in that the wearable device 53 includes a geomagnetic sensor 60.

  The geomagnetic sensor 60 can detect the absolute orientation of the wearable device 53 as the direction of the wearable device 53. The absolute azimuth can be represented by, for example, 360 ° with respect to the north.

  FIG. 12 is a flowchart illustrating an example of an operation procedure of the navigation system according to the third embodiment.

  The flowchart of FIG. 12 differs from the flowchart of FIG. 5 in that the flowchart of FIG. 12 includes steps S305, S306, S309, S310, and S310 instead of steps S105, S106, S109, S110, and S111 of FIG. Is to include.

  Hereinafter, steps S305, S306, S309, S310, and S310 which are different points will be described.

  In step S305, the main CPU 2 of the terminal device 1 can determine the traveling direction at the current position based on the absolute direction based on the detection result of the geomagnetic sensor 18 according to the created route.

  In step S <b> 306, the main CPU 2 of the terminal device 1 can transmit a traveling direction instruction signal indicating the absolute direction determined through the short-range communication circuit 11.

  In step S309, the short-range communication circuit 52 of the wearable device 53 can receive the traveling direction instruction signal.

  In step S <b> 310, the CPU 55 of the wearable device 53 can determine the absolute orientation of the wearable device 53 based on the signal from the geomagnetic sensor 60.

  In step S <b> 311, the CPU 55 of the wearable device 53 can vibrate the vibrator in the absolute azimuth indicated by the traveling direction indication signal among the vibrators B <b> 1 to B <b> 4 based on the absolute azimuth of the wearable device 53.

FIG. 13 is a diagram illustrating an example of the absolute direction of wearable device 53.
Vibrators B1 to B4 rotate about the center O in three dimensions.

  As shown in FIG. 13, when the traveling direction is north, the horizontal component in the direction from the center O to the vibrator B1 and the angle θA1 between the center O and the north direction, and the horizontal in the direction from the center O to the vibrator B2 are shown. An angle θA2 between the component and the center O and the north direction, a horizontal component in the direction from the center O to the vibrator B3, an angle θA3 between the center O and the north direction, and a horizontal component in the direction from the center O to the vibrator B4 An angle θA4 between the center O and the north direction is calculated. θA1 to θA4 are 0 ° or more and 180 ° or less. When θA1 is the smallest of θA1 to θA4, vibrator B1 vibrates. When θA2 is the smallest of θA1 to θA4, vibrator B2 vibrates. When θA3 is the smallest of θA1 to θA4, vibrator B3 vibrates. When θA4 is the smallest of θA1 to θA4, vibrator B4 vibrates.

  When the traveling direction is south, the angle θB1 between the horizontal component in the direction from the center O to the vibrator B1 and the south direction from the center O, the horizontal component in the direction from the center O to the vibrator B2, and the south direction from the center O The angle θB2 between the center O and the vibrator B3 and the angle θB3 between the center O and the south direction, the horizontal component from the center O to the vibrator B4, and the center O and the south direction. The formed angle θB4 is calculated. θB1 to θB4 are 0 ° or more and 180 ° or less. When θB1 is the smallest of θB1 to θB4, vibrator B1 vibrates. When θB2 is the smallest of θB1 to θB4, vibrator B2 vibrates. When θB3 is the minimum among θB1 to θB4, vibrator B3 vibrates. When θB4 is the smallest of θB1 to θB4, vibrator B4 vibrates.

  When the traveling direction is east, the angle θC1 between the horizontal component in the direction from the center O to the vibrator B1 and the east direction from the center O, the horizontal component in the direction from the center O to the vibrator B2, and the eastward direction from the center O The angle θC2 between the center O and the horizontal component in the direction from the center B to the vibrator B3 and the angle θC3 between the center O and the east direction, the horizontal component in the direction from the center O to the vibrator B4, and the center O from the east direction The formed angle θC4 is calculated. θC1 to θC4 are 0 ° or more and 180 ° or less. When θC1 is the smallest of θC1 to θC4, vibrator B1 vibrates. When θC2 is the smallest of θC1 to θC4, vibrator B2 vibrates. When θC3 is the smallest among θC1 to θC4, vibrator B3 vibrates. When θC4 is the smallest of θC1 to θC4, vibrator B4 vibrates.

  When the traveling direction is west, the angle θD1 between the horizontal component in the direction from the center O to the vibrator B1 and the west direction from the center O, the horizontal component in the direction from the center O to the vibrator B2, and the west direction from the center O Of the horizontal component in the direction from the center O to the vibrator B3 and the angle θD3 between the center O and the west direction, and the horizontal component in the direction from the center O to the vibrator B4 and the west direction from the center O. The formed angle θD4 is calculated. θD1 to θD4 are not less than 0 ° and not more than 180 °. When θD1 is the smallest of θD1 to θD4, vibrator B1 vibrates. When θD2 is the smallest of θD1 to θD4, vibrator B2 vibrates. When θD3 is the smallest of θD1 to θD4, vibrator B3 vibrates. When θD4 is the smallest of θD1 to θD4, vibrator B4 vibrates.

  As described above, according to the third embodiment, since the vibrator mounted on the wearable device corresponding to the traveling direction (absolute direction) vibrates, the user can change the traveling direction without looking at the screen of the terminal device. I can know. In the third embodiment, the wearable device can receive a notification of the traveling direction (absolute direction) from the terminal device and select a vibrator corresponding to the traveling direction. Alternatively, the terminal device may receive a notification of the absolute direction of the wearable device from the wearable device and select a vibrator corresponding to the traveling direction.

[Fourth Embodiment]
FIG. 14 is a diagram illustrating an example of the configuration of the wearable device 71 according to the fourth embodiment.

  The wearable device 71 is different from the wearable device 51 of FIG. 4 in that the wearable device 71 includes a GPS receiver 59, a touch panel 61, and a display 60.

  The GPS receiver 59 can output the current position of the wearable device 71 by receiving a signal from a GPS satellite.

  The touch panel 69 can accept input from the user. The touch panel 69 may be provided on the surface of the display 60, for example.

The memory 56 can store map information and the like.
The display 60 can display a map or the like stored in the memory 56.

  FIG. 15 is a flowchart illustrating an example of an operation procedure of the wearable device according to the fourth embodiment.

  In step S <b> 501, the user can input a destination by operating the touch panel 69 of the wearable device 71. The CPU 55 of the wearable device 71 can store the destination in the memory 56.

  In step S <b> 502, when the user sets the rotation angle with respect to the center O of the wearable device 51 to the standard angle and presses the guidance start instruction button 65, the CPU 55 can start obtaining the angular velocity from the gyro sensor 53. .

  In step S <b> 503, the CPU 55 of the wearable device 71 can acquire the current position from the GPS receiver 59.

  In step S504, the CPU 55 of the wearable device 71 can create a route from the current position to the designated destination based on the map information stored in the memory 56.

  In step S505, the CPU 55 of the wearable device 71 can determine the traveling direction at the current position as one of straight, reverse, right, and left according to the created route.

  In step S506, the CPU 55 of the wearable device 71 can identify the rotation angle from the standard angle of the vibrators B1 to B4 by integrating the angular velocity from the gyro sensor 53.

  In step S507, the CPU 55 of the wearable device 71 vibrates the vibrator in the direction closest to the traveling direction based on the rotation angles of the vibrators B1 to B4.

  In step S <b> 508, the CPU 55 of the wearable device 71 can acquire the current position from the GPS receiver 59.

  In step S509, if the current position matches the destination, the process ends. If the current position does not match the destination, the process returns to step S504.

  As described above, according to the fourth embodiment, the user vibrates the vibrator mounted on the wearable device corresponding to the traveling direction (straight forward, reverse, right, left). You can know the direction of travel without looking. In the fourth embodiment, the wearable device includes map information and a GPS receiver, and can determine the traveling direction.

[Fifth Embodiment]
FIG. 16 is a diagram illustrating an example of the configuration of the wearable device 91 according to the fifth embodiment.

  The wearable device 91 is different from the wearable device 51 of FIG. 4 in that the wearable device 91 includes a vibration sensor 75. For example, a sensor such as an acceleration sensor may be used as the vibration sensor 75.

  The vibration sensor 75 can detect vibration applied to the wearable device 91. For example, when the user wears the wearable device 91 and drives a motorcycle, vibration of the motorcycle engine or vibration from the ground can be detected.

  When the magnitude of vibration detected by the vibration sensor 75 is equal to or greater than the threshold value THX, the CPU 55 can vibrate the vibrator corresponding to the traveling direction more greatly than when the magnitude of vibration is less than the threshold value THX. When the vibrator is a motor, in order to vibrate the vibrator corresponding to the traveling direction greatly, for example, the rotational speed of the motor may be set larger than a reference value. In the case where the vibrator is a piezoelectric element, in order to vibrate the vibrator corresponding to the traveling direction greatly, for example, the frequency per unit time of the piezoelectric element may be controlled to be larger than the reference.

  FIG. 17 is a flowchart illustrating an example of an operation procedure of the wearable device according to the fifth embodiment.

  The flowchart of FIG. 17 differs from the flowchart of FIG. 5 in that the flowchart of FIG. 17 includes steps S601 and S602 between steps S110 and S111.

  If the magnitude of vibration detected by the vibration sensor 75 is greater than or equal to the threshold value THX in step S601, the process proceeds to step S602. If the magnitude of vibration detected by the vibration sensor 75 is less than the threshold value THX, the process proceeds to step S602. Advances to step S111.

  In step S602, the CPU 55 can set the vibration of the vibrator to be vibrated to be larger than usual. Thereafter, the process proceeds to step S111.

  Therefore, when the magnitude of the vibration detected by the vibration sensor 75 is less than the threshold value THX, the vibrator corresponding to the traveling direction among the vibrators B1 to B4 can vibrate at a normal magnitude. When the magnitude of the vibration detected by the vibration sensor 75 is greater than or equal to the threshold value THX, the vibrator corresponding to the traveling direction among the vibrators B1 to B4 can vibrate more than usual.

[Sixth Embodiment]
The navigation system according to the sixth embodiment includes a car navigation device as a terminal device that communicates with a wearable device.

FIG. 18 is a diagram illustrating an example of the configuration of the terminal device 81.
Referring to FIG. 18, terminal device 81 includes CPU 87, memory 89, speaker 83, display 84, touch panel 85, and short-range communication circuit 90.

  The terminal device 81 can be connected to a gyro sensor 92, an acceleration sensor 91, and a vehicle speed sensor 93 installed in the vehicle.

  The memory 89 can store various data such as map information and programs. The memory 89 can include a control program storage unit 88 that stores a control program.

  The CPU 87 can function as the control unit 86 by executing a control program.

The speaker 83 can output sound.
The display 84 can be configured by a liquid crystal display, for example. The display 8 may be a display device such as an organic EL display (OELD: Organic Electro-Luminescence Display) or an inorganic EL display (IELD: Inorganic Electro-Luminescence Display).

  The touch panel 85 can accept input from the user. The touch panel 85 is of a capacitive type, for example. The touch panel 85 can be provided on the surface of the display 84, for example.

  The GPS receiver 82 can output the current position of the vehicle by receiving a signal from a GPS satellite.

  The short-range communication circuit 90 can communicate with other devices such as the wearable device 51 according to the Bluetooth method. The near field communication circuit 11 may be an IrDA (Infrared Data Association) standard or an NFC (Near Field Communication) standard.

  The vehicle gyro sensor 92 can detect the angular velocity of the vehicle. The CPU 87 can detect the rotation of the vehicle by integrating the angular velocity output from the gyro sensor 92.

  The vehicle acceleration sensor 98 can detect the acceleration of the vehicle, that is, an amount representing how much the vehicle speed has changed in a certain time.

The vehicle speed sensor 93 of the vehicle can detect the speed of the vehicle.
The vehicle's geomagnetic sensor 97 can detect the absolute direction of the vehicle.

FIG. 19 is a diagram illustrating an example of a rotation state of wearable device 51 at the start of guidance.
The user wears wearable device 51 on the wrist of the left hand. The user inputs a destination by operating the touch panel 85 of the terminal device 81 which is a car navigation device. Thereafter, the user grasps the shift lever and operates an instruction button 65 (not shown) of the wearable device 51 to start guidance to the destination. At this stage, vibrator B1 of wearable device 51 is in the traveling direction from center O, vibrator B2 is in the backward direction from center O, vibrator B3 is in the right direction from center O, and vibrator B4 is in the right direction from center O. is there.

FIG. 20 is a diagram illustrating an example of a rotation state of wearable device 51 during operation.
In this state, vibrator B4 of wearable device 51 is in the traveling direction from center O, vibrator B3 is in the backward direction from center O, vibrator B1 is in the left direction from center O, and vibrator B2 is in the right direction from center O. is there.

  As described above, according to the sixth embodiment, the vibrator corresponding to the traveling direction vibrates without looking at the car navigation display while driving the vehicle, so that the user can know the traveling direction. it can.

[Seventh Embodiment]
FIG. 21 is a diagram illustrating an example of a configuration of a terminal device according to the seventh embodiment.

  The terminal device 61 includes a main CPU 2, a sub CPU 3, and a memory 35. The terminal device 61 is configured so that other components can be mounted. The terminal device 61 includes a camera 5, a microphone 6, a speaker 7, a display 8, a touch panel 9, a wireless communication circuit 10, a near field communication circuit 11, a gyro sensor 12, a proximity sensor 13, and an illuminance sensor. 14, the antenna 15, the vibrator 16, the acceleration sensor 17, and the geomagnetic sensor 18 can be mounted. These components have the same functions as those described in the above embodiment. The terminal device can obtain the same effects as those of the above embodiment by mounting some or all of these components.

[Modification]
(1) CPU of wearable device
In the above embodiment, one CPU 55 executes the function of the control unit 58, but the present invention is not limited to this. A plurality of CPUs may execute the function of the control unit 58.

(2) Device for Notification of Traveling Direction in Wearable Device In the above embodiment, the watch-type wearable device includes four vibrators, and the CPU vibrates the vibrator corresponding to the traveling direction in the four vibrators. However, the present invention is not limited to this.

  The clock-type device may include four temperature change elements, and the CPU may increase or decrease the temperature of the element corresponding to the traveling direction among the four temperature change elements.

  Alternatively, the clock-type device may include four electrical stimulation elements, and the CPU may provide the electrical stimulation to the user by an element corresponding to the traveling direction among the four electrical stimulation elements.

  Alternatively, the clock-type device may include four LEDs (Light Emitting Diodes), and the CPU may emit an LED corresponding to the traveling direction among the four LEDs. This can be used, for example, for guidance in the dark.

  Alternatively, the wristwatch-type device has four protrusions, and the CPU always has a protrusion corresponding to the traveling direction among the four protrusions housed inside the device, on the arm side when the wristwatch is wound. It is good also as what makes it project.

  Moreover, although said embodiment illustrated the wearable apparatus provided with four vibrators, it is not limited to this. The wearable device only needs to include at least two vibrators. A wearable device including at least two vibrators has a user's progress based on the orientation of the user's device, with one direction selected from two predetermined directions (for example, the right direction and the left direction) as the user's travel direction. A vibrator corresponding to a direction may be selected from the two vibrators and vibrated. The wearable device includes a first vibrator and a second vibrator, and the vibrator corresponding to the traveling direction of the user may be switched from the first vibrator to the second vibrator to vibrate based on the orientation of the own device.

(3) Traveling direction In the above embodiment, the traveling direction of the user is assumed to be one of the four directions, and the wearable device includes four vibrators. However, the present invention is not limited to this. In the three-way road, even if the user travels in any of the three directions (right front, left front, and backward), the vibrator close to the travel direction among the four vibrators of the wearable device may be vibrated.

  The traveling direction of the user may be any one of five directions (straight forward, right front, left front, right rear, and left rear). The wearable device may include five vibrators corresponding to the respective directions. The user's traveling direction and the number of vibrators may be two or six or more.

  The wearable device may accept designation of the user's traveling direction from a general navigation application as the user's traveling direction.

(4) Rotation Angle Detection Unit in Wearable Device In the above-described embodiment, the wearable device has exemplified the gyro sensor as the rotation angle detection unit. However, the wearable device may automatically use a sensor such as an acceleration sensor or a geomagnetic sensor instead. The rotation angle of the machine may be estimated. In addition, the wearable device may use a sensor such as an acceleration sensor or a geomagnetic sensor to supplement the rotation angle to be detected.

(5) Wearable device In the above-described embodiment, the wearable device is not limited to the one worn on the wrist. The wearable device may be a shoe type, a spectacle type, a hat type, a ring type, a shirt type, a nail type, a belt type, or the like as long as a vibrator or the like can be attached corresponding to the traveling direction.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present disclosure is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  1, 61, 81 terminal device, 2 main CPU, 3 sub CPU, 4, 57, 88 control program storage unit, 5 camera, 6 microphone, 7, 83 speaker, 8, 60, 84 display, 9, 69, 85 touch panel 10 Wireless communication circuit 11, 52, 90 Short-range communication circuit 12, 53, 92 Gyro sensor, 13 Proximity sensor, 14 Illuminance sensor, 15 Antenna, 16 Vibrator, 17, 98 Acceleration sensor, 18, 97 Geomagnetic sensor, 19, 59, 82 GPS receiver, 20, 58, 86 control unit, 35, 56, 89 memory, 55, 87 CPU, 54 vibration unit, 65 instruction button, 75 vibration sensor, 93 vehicle speed sensor, B1-B4 vibrator.

Claims (13)

A plurality of vibrators;
A sensor configured to detect the orientation of the device;
A wearable device comprising: at least one processor configured to vibrate a vibrator corresponding to a traveling direction of a user among the plurality of vibrators based on a direction of the own device. A communication circuit configured to receive a first signal indicating a direction of travel of the user from another device;
The wearable device according to claim 1, wherein the at least one processor vibrates a vibrator corresponding to the traveling direction of the user based on a direction of the own device. Sending a second signal indicating the orientation of the device to another device;
A third signal instructing to vibrate a vibrator selected from among the plurality of vibrators is received from the other device based on a direction of the own device and a traveling direction of the user determined by the other device. Comprising a communication circuit configured in
The wearable device according to claim 1, wherein the at least one processor vibrates a vibrator indicated by the third signal.   The wearable device according to claim 1, wherein the at least one processor determines a traveling direction of the user based on a destination and a current position. The plurality of vibrators include at least a first vibrator and a second vibrator,
The wearable device according to claim 1, wherein the at least one processor switches a vibrator corresponding to the traveling direction of the user from the first vibrator to the second vibrator based on a direction of the own device. The plurality of vibrators includes four vibrators,
The sensor is configured to detect an absolute orientation of the device as the direction of the device,
The wearable device according to claim 1, wherein a vibrator corresponding to a traveling direction of the user is vibrated based on the absolute direction. It has a vibration sensor that detects vibration,
The wearable according to claim 1, wherein the at least one processor vibrates the vibrator to a greater extent when the magnitude of vibration detected by the vibration sensor is equal to or greater than a predetermined value than when no vibration is detected by the vibration sensor. machine. At least one processor for determining a direction of travel of the user;
And a communication circuit configured to transmit a first signal indicating the traveling direction of the user to another device. At least one processor for determining a direction of travel of the user;
A communication circuit for receiving a second signal indicating the direction of the other device from another device,
The at least one processor, based on the direction of the other device and the traveling direction of the user, a third signal instructing to vibrate a vibrator selected from a plurality of vibrators included in the other device, A terminal device that transmits to the other device through a communication circuit.   The terminal according to claim 9, wherein when determining that the user is moving, the at least one processor sets a moving direction of the own apparatus when the user is determined to be moving as a straight direction of the user. apparatus.   The terminal device according to claim 9, wherein the at least one processor does not determine the traveling direction when determining that the user is stopped.   The terminal device according to claim 9, wherein when determining that the user is stopped, the at least one processor sets the moving direction of the device immediately before determining that the user is stopped as a straight traveling direction. A navigation system comprising a wearable device and a terminal device,
The wearable device is
It has a plurality of vibrators,
The terminal device
At least one processor for determining a direction of travel of the user;
A communication circuit that receives a second signal indicating the direction of the wearable device from the wearable device;
The at least one processor selects a vibrator corresponding to the traveling direction among the plurality of vibrators based on an orientation of the wearable device, and a third signal instructing to vibrate the selected vibrator, Configured to transmit to the wearable device through the communication circuit;
The wearable device is
A sensor configured to detect an orientation of the wearable device;
A communication circuit configured to transmit the second signal to the terminal device and receive the third signal from the terminal device;
A navigation system comprising: at least one processor configured to vibrate a vibrator indicated by the third signal among the plurality of vibrators.

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