WO2010007765A1 - 携帯端末及びその位置特定方法 - Google Patents
携帯端末及びその位置特定方法 Download PDFInfo
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- WO2010007765A1 WO2010007765A1 PCT/JP2009/003303 JP2009003303W WO2010007765A1 WO 2010007765 A1 WO2010007765 A1 WO 2010007765A1 JP 2009003303 W JP2009003303 W JP 2009003303W WO 2010007765 A1 WO2010007765 A1 WO 2010007765A1
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- mobile terminal
- reference point
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- user
- operation information
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3246—Power saving characterised by the action undertaken by software initiated power-off
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
- G06F2200/163—Indexing scheme relating to constructional details of the computer
- G06F2200/1637—Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to the specification of the position of the mobile terminal and relates to the specification of the relative position with the user.
- FIG. 21 is a diagram illustrating an example of a display screen of the system disclosed in Non-Patent Document 1.
- FIG. 21 is a graph showing the change over time of the tilt angle detected by the gyro provided in the mobile terminal held by the user who is walking, with the vertical axis representing the angle and the horizontal axis representing the time. Since the mobile terminal held by the user vibrates with walking, it can be seen that vibration at a predetermined angle is detected. On the other hand, looking at the magnitude of the vibration (here, the magnitude of the angle), when the mobile device is in the pants pocket, it is greatly affected by the foot that you step on, so the vibration is large, while in the breast pocket Shows that the vibration is small. Thus, using the fact that the magnitude of vibration differs depending on the location where the mobile terminal exists, the system of Non-Patent Document 1 determines where the mobile terminal is.
- Non-Patent Document 1 specifies the position using only acceleration or the like, the influence of errors caused by sensor noise, situation differences, etc. is large, and the position of the mobile terminal relative to the user is specified with high accuracy. It is very difficult to do.
- the present invention has been made in view of the above problems, and provides a mobile terminal and the like that can improve the accuracy of the position when specifying the position of the mobile terminal with respect to the user.
- a mobile terminal is a mobile terminal that specifies a position of the mobile terminal with respect to a user, an operation input unit that receives input of operation information by the user, and a speed of the mobile terminal
- Reference point rule storage that stores a reference point rule indicating a relationship between a sensor unit that detects information, the operation information, and a reference point that indicates the position of the mobile terminal when the input of the operation information is accepted
- a reference point identifying unit that identifies, as an operation reference point, a reference point corresponding to the operation information received by the operation input unit by referring to the reference point rule, and speed information detected by the sensor unit
- the mobile terminal according to the present invention can improve the accuracy of position specification by specifying the position of the mobile terminal based on the positional relationship with the user when an input operation is performed.
- FIG. 1 is a block diagram showing a characteristic functional configuration of the mobile terminal according to Embodiment 1 of the present invention.
- FIG. 2 is a diagram for explaining the sensor unit.
- FIG. 3 is a diagram for explaining calculation of the movement trajectory of the mobile terminal by the trajectory calculation unit.
- FIG. 4 is a diagram for explaining a reference point and a reference space.
- FIG. 5A is a diagram illustrating an example of a reference point rule.
- FIG. 5B is a diagram for describing the identification of the operation reference point and the position of the mobile terminal with respect to the user.
- FIG. 6A is a diagram for explaining a reference point rule regarding the reference point “ear”.
- FIG. 6B is a diagram for describing identification of the position of the mobile terminal with respect to the user.
- FIG. 5A is a diagram illustrating an example of a reference point rule.
- FIG. 5B is a diagram for describing the identification of the operation reference point and the position of the mobile terminal with respect to the user.
- FIG. 7A is a diagram for explaining a reference point rule regarding the reference point “waist”.
- FIG. 7B is a diagram for describing identification of the position of the mobile terminal with respect to the user.
- FIG. 8 is a flowchart showing an operation related to specifying the position of the mobile terminal with respect to the user.
- FIG. 9 is a block diagram showing a characteristic functional configuration of the mobile terminal according to Embodiment 2 of the present invention.
- FIG. 10 is a diagram illustrating an example of a mode rule.
- FIG. 11 is a diagram for explaining mode switching.
- FIG. 12 is a block diagram showing a characteristic functional configuration of the mobile terminal according to Embodiment 3 of the present invention.
- FIG. 13 is a diagram illustrating an example of an operation pattern rule stored in the operation pattern rule accumulation unit.
- FIG. 14 is a diagram for explaining operation determination.
- FIG. 15 is a diagram illustrating the displacement of the mobile terminal in the Z-axis direction (perpendicular to the ground).
- FIG. 16 is a block diagram showing a characteristic functional configuration of the mobile terminal according to Embodiment 5 of the present invention.
- FIG. 17 is a diagram illustrating that the user performs an operation such as pressing a button at the chest after making a call at the ear.
- FIG. 18 is a diagram in which position information in space obtained from the movement locus is plotted.
- FIG. 19 is a block diagram showing a characteristic functional configuration of the mobile terminal according to Embodiment 6 of the present invention.
- FIG. 20 is a diagram showing displacement (positional change in position) in the Z-axis direction of the mobile terminal.
- FIG. 21 is a diagram illustrating an example of a display screen of the system disclosed in Non-Patent Document 1.
- FIG. 1 is a block diagram showing a characteristic functional configuration of mobile terminal 100 according to the present embodiment.
- the mobile terminal 100 is a device that can be used by the user, for example, a mobile phone, a PDA (Personal Digital Assistant), a digital still camera, a portable audio player, or the like.
- the mobile terminal 100 includes an operation input unit 101, a sensor unit 102, a reference point rule storage unit 103, a reference point specifying unit 104, a trajectory calculating unit 105, and a position specifying unit 106.
- the operation input unit 101 accepts input of operation information by the user.
- mobile terminals have become multifunctional.
- mobile phones have various functions such as mail, video, TV, and music playback as well as telephone calls.
- the operation information indicates information related to an operation performed to execute these functions, and for example, indicates information that a power button, a call button, a mail confirmation button, or the like is pressed, or a call.
- the sensor unit 102 detects speed information of the mobile terminal 100. Specifically, when the input of operation information is received by the operation input unit 101, detection of speed information is started.
- the sensor unit 102 includes an acceleration sensor that detects the acceleration of the mobile terminal 100, and a sensor such as a gyro that detects the angular velocity of the mobile terminal 100.
- the acceleration and the angular velocity are examples of velocity information, and the velocity information indicates information that can determine the velocity of the mobile terminal.
- FIG. 2 is a diagram for explaining the sensor unit 102. As shown in the figure, for example, the acceleration sensor can detect XYZ-axis triaxial acceleration. Further, the gyro can detect the angular velocity with respect to each XYZ axis.
- the trajectory calculation unit 105 calculates the movement trajectory of the mobile terminal 100 based on the speed information (acceleration and angular velocity) detected by the sensor unit 102.
- FIG. 3 is a diagram for explaining the calculation of the movement locus of the mobile terminal 100 by the locus calculation unit 105.
- a method for calculating a movement locus or displacement of a mobile terminal based on values detected from an acceleration sensor and a gyro is known.
- the displacement of the mobile terminal is calculated by second-order integrating the acceleration detected from the acceleration sensor, and the rotation (yaw, roll, pitch) of each axis of the mobile terminal is calculated by integrating the angular velocity detected from the gyro.
- matrix movement is performed as in the following formulas (1) and (2) to calculate a movement trajectory when the position of the mobile terminal 100 at a certain point in time is set as the origin. Can do. Note that since the acceleration sensor and the gyroscope include a predetermined error, it is desirable to take measures to reduce the influence of the error, such as not considering the acceleration and angular velocity below a predetermined threshold in the calculation of the movement trajectory.
- the reference point rule accumulating unit 103 stores information on a position (hereinafter referred to as a reference point) and a space (hereinafter referred to as a reference space) with respect to the user.
- FIG. 4 is a diagram for explaining a reference point and a reference space.
- the reference point and the reference space will be described by taking a human body model assuming that the height of the user is 170 cm as an example. As shown in the figure, in consideration of the height and shoulder width of the human body model, a space having a height of 170 cm, a width of 70 cm, and a depth of 40 cm or less can be considered as a space close to the human body.
- the reference point rule accumulating unit 103 defines the space in the upper 30 cm as “ear space”, the space in the middle 70 cm as “chest space”, and the space in the lower 70 cm as “waist space”.
- the reference space to be stored is stored.
- the reference point rule accumulating unit 103 stores “ear”, “chest”, and “waist”, which are the center points of each reference space, as reference points.
- the reference point rule accumulating unit 103 stores where the operation input to the mobile terminal 100 is performed by the user. That is, the reference point rule accumulating unit 103 stores a rule (hereinafter referred to as a reference point rule) indicating the relationship between the operation information and the reference point when the input of the operation information is accepted.
- FIG. 5A is a diagram illustrating an example of a reference point rule. For example, when the user presses the power (ON / OFF) button of the mobile terminal 100 or presses the mail confirmation button, the operation is generally performed at the chest. Therefore, as shown in the figure, in the reference point rule, a reference point “chest” is set for operation information “power button”, “mail confirmation button”, and the like.
- the reference point specifying unit 104 specifies a reference point corresponding to the operation information newly accepted by the operation input unit 101 as an operation reference point by referring to the reference point rule.
- FIG. 5B is a diagram for describing an example of specifying the operation reference point and specifying the position of the mobile terminal 100 with respect to the user.
- the user performs email confirmation using the mobile terminal 100.
- the reference point specifying unit 104 specifies the operation reference point as “chest”.
- the position specifying unit 106 specifies the position of the mobile terminal 100 with respect to the user based on the specified operation reference point and the movement trajectory calculated by the trajectory calculating unit 105. That is, the position specifying unit 106 uses the movement trajectory calculated by the trajectory calculating unit 105 to specify the position of the end point when the point corresponding to the operation reference point is the starting point.
- the user performs email confirmation using the mobile terminal 100.
- the user stores the portable terminal 100 in the pocket of the pants.
- the trajectory calculation unit 105 calculates the movement trajectory of the mobile terminal 100 based on the speed information detected by the sensor unit 102 from when the user checks the mail until the mobile terminal 100 is stored in the pocket. ing.
- the position specifying unit 106 sets the start point of the moving track calculated by the track calculating unit 105 as the “chest” that is the operation reference point specified by the reference point specifying unit 104, thereby determining the position of the end point of the moving track. Is identified. That is, the position specifying unit 106 specifies that the mobile terminal 100 is stored in the “lumbar space” that is a reference space to which the position of the end point of the movement locus belongs. That is, the position specifying unit 106 can specify that the mobile terminal 100 is stored in the pocket of the pants.
- the end point of the movement locus is a point on the movement locus where the movement locus is estimated to be stable according to a predetermined reference.
- the end point may be a position when a predetermined time elapses after predetermined operation information is input. Specifically, the time position 30 seconds after the operation information such as “Cut button” and “Fold” is input may be set as the end point.
- the predetermined time may be linked with, for example, the backlight display time of the mobile terminal 100.
- FIG. 5B (c) shows an example in which the mobile terminal 100 is stored in the chest pocket after the user has confirmed the mail (FIG. 5B (a)).
- the position specifying unit 106 uses the movement locus calculated by the locus calculating unit 105 and the operation reference point specified by the reference point specifying unit 104. It is specified that the mobile terminal 100 has moved to the “chest space”. That is, the position specifying unit 106 can specify that the mobile terminal 100 is stored in the “chest space” of the user, that is, the breast pocket.
- FIG. 6A is a diagram for explaining a reference point rule relating to a reference point “ear”.
- FIG. 6B is a figure for demonstrating the specific example of the position of the portable terminal 100 with respect to a user.
- the user first makes a call using the portable terminal 100.
- the reference point specifying unit 104 specifies the reference point “ear” corresponding to the operation information “call” as the operation reference point by referring to the reference point rule shown in FIG. 6A.
- FIG. 6B (b) the user stores the portable terminal 100 in the pocket of the pants.
- the position specifying unit 106 specifies that the mobile terminal 100 has moved to the “lumbar space” based on the operation reference point and the movement locus, as in the case of FIG. 5B. That is, the position specifying unit 106 can specify that the mobile terminal 100 is stored in the pocket of the pants.
- the operation information “call” is an example of “voice signal”. Note that the input of the “voice signal” includes not only voice input by the user to the portable terminal but also voice input by the other party.
- FIG. 7A is a diagram for explaining the reference point rule regarding the reference point “waist”.
- FIG. 7B is a figure for demonstrating the specific example of the position of the portable terminal 100 with respect to a user.
- a user uses electronic money such as Icoca (registered trademark) at a station, for example.
- the reference point specifying unit 104 specifies the reference point “waist” corresponding to the operation information “Icoca” as an operation reference point by referring to the reference point rule shown in FIG. 7A.
- the operation information “Edy (registered trademark)” illustrated in FIG. 7B (a) is an example of electronic money, like “Icoca”.
- the position (reference point) for the user when using electronic money is stored in the reference point rule storage unit 103 in advance as a reference point rule. Can do.
- the reference point rule accumulating unit 103 stores a reference point rule in which the reference point corresponding to the electronic money is “back”.
- specification part 106 specifies that the portable terminal 100 moved to "the waist space” based on the operation reference point and the movement locus
- FIG. 8 is a flowchart showing an operation related to specifying the position of the mobile terminal 100 with respect to the user.
- the operation input unit 101 receives operation information from the user (step S101). For example, as illustrated in FIG. 5A, the operation input unit 101 receives a “power button” from the user as operation information.
- the reference point specifying unit 104 refers to the reference point rule stored in the reference point rule storage unit 103 (step S102), and specifies an operation reference point that is a reference point corresponding to the operation information (step S103). Specifically, as shown in FIG. 5, the reference point rule accumulating unit 103 stores a reference point rule such that the reference point for the operation information “power button” is “chest”. Therefore, for example, the reference point specifying unit 104 specifies the reference point “chest” corresponding to the operation information “power button” as the operation reference point by referring to the reference point rule.
- the sensor unit 102 detects speed information of the mobile terminal 100 (step S104). Then, the trajectory calculation unit 105 refers to the speed information detected by the sensor unit 102 (step S105). Specifically, as shown in FIG. 2, the sensor unit 102 can detect acceleration or the like, which is an example of speed information. Therefore, the trajectory calculation unit 105 refers to speed information such as acceleration.
- the trajectory calculation unit 105 calculates a movement trajectory based on the speed information (step S106). Specifically, the trajectory calculation unit 105 calculates the movement trajectory of the mobile terminal 100 from acceleration or the like as shown in FIG.
- the position specifying unit 106 refers to the operation reference point specified by the reference point specifying unit 104 (step S107), and specifies the position of the mobile terminal 100 with respect to the user (step S108). Specifically, as shown in FIG. 5B, the position specifying unit 106, based on the movement trajectory from the operation reference point, such as moving the mobile terminal 100 to the pants pocket after the user confirms the mail. The position of the mobile terminal 100 with respect to the user is specified.
- the mobile terminal 100 specifies the position of the mobile terminal 100 with respect to the user based on the operation reference point and the movement locus. Since the conventional mobile terminal can only calculate the relative displacement from a predetermined reference point using the displacement obtained from the acceleration sensor, it is possible to specify the position of the mobile terminal relative to the user. There wasn't.
- the mobile terminal 100 according to the present embodiment specifies a position (reference point) where the operation is performed from the input operation information as an operation reference point, and a movement locus with the operation reference point as the origin. By calculating the destination, the position of the mobile terminal 100 relative to the user can be specified, such as where the mobile terminal 100 is finally stored in the user. Thereby, it becomes possible to specify the position of the mobile terminal 100 with respect to the user, such as in which position the mobile terminal 100 is finally stored.
- the relative position with the user can often be specified to some extent.
- the user places the speaker portion of the mobile phone near the ear and the microphone portion near the mouth.
- the relative positional relationship between the mobile terminal and the user is specified to some extent.
- Non-Patent Document 1 In addition, in the system described in Non-Patent Document 1, it is necessary to always detect acceleration or the like in order to specify the position with respect to the user. As a result, since power consumption increases, it is difficult to mount the system disclosed in Non-Patent Document 1 on a portable terminal that is required to be driven by a battery for a long time. On the other hand, in portable terminal 100 of the present embodiment, after the input of operation information is accepted, it is possible to determine where the user is holding the portable terminal simply by tracing the movement of the portable terminal. Become. Further, after the position of the end point of the movement locus is specified, the sensor unit 102 does not need to detect the speed information.
- the sensor unit 102 starts detection of speed information when the operation input unit 101 receives input of operation information, and ends detection of speed information when the position is specified by the position specifying unit 106. Since it is good, it is not necessary to always detect velocity information such as acceleration. Therefore, the portable terminal 100 according to the present embodiment can suppress power consumption as compared with the system described in Non-Patent Document 1.
- the mobile terminal 200 according to the present embodiment shows an application example for specifying the position of the mobile terminal according to the present invention.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-144583, etc.
- These methods determine whether the user is stopped or walking based on the acceleration detected by the acceleration sensor provided in the portable terminal, and vibration or voice is used as the mode at the time of incoming call. It is a method to switch. Also known is a method of detecting that the user is in a car, train, etc. by detecting the steady speed of the mobile terminal, and switching the mode of the mobile terminal to automatic response based on the detection result. Yes.
- the location of the user is detected using a tag, GPS, etc., and if it is detected that the user is in a movie theater, train, etc., a technique such as setting the mode at the time of incoming call of the mobile terminal to vibration Is also generally known.
- these methods do not consider in which position the mobile terminal is held with respect to the user.
- the method of the present invention makes it possible to switch the mode of the mobile terminal according to the position held by the user.
- FIG. 9 is a block diagram showing a characteristic functional configuration of mobile terminal 200 according to Embodiment 2 of the present invention.
- the mobile terminal 200 according to the second embodiment includes a mode switching unit 110 and a mode storage unit 111 in addition to the components included in the mobile terminal 100 according to the first embodiment. Note that the same components as those of the mobile terminal 100 according to the first embodiment are denoted by the same reference numerals and description thereof is omitted.
- the mode accumulating unit 111 stores a rule (hereinafter, referred to as a mode rule) indicating which mode is set according to the terminal position indicating the position of the end point specified by the position specifying unit 106.
- a mode rule refers to individual settings when the settings of the mobile terminal can be switched when there are a plurality of function and operation settings.
- the mode indicates operation settings for incoming calls such as “vibration”, “sound”, and “light”.
- FIG. 10 is a diagram illustrating an example of a mode rule.
- the mode “vibration” is set for the terminal position “chest space” (the portable terminal is present in the breast pocket).
- the mode corresponding to the waist position that is, the waist pocket is “sound”.
- the mode storage unit 111 stores the mode “sound” for the terminal position “waist space” as a mode rule.
- the mode may be “blinking light” instead of “sound”.
- the mode rule may be set by the user.
- the mode switching unit 110 switches the mode according to the position of the mobile terminal 200 specified by the position specifying unit 106. That is, the mode switching unit 110 acquires a mode corresponding to the position of the end point specified by the position specifying unit 106 by referring to the mode rule, and switches the setting to the acquired mode.
- FIG. 11 is a diagram for explaining mode switching.
- FIG. 11 when the user confirms the mail (FIG. 11A) and then stores the mobile terminal 200 in the pants pocket (FIG. 11B), the mobile terminal 200 is stored in the breast pocket. Two examples are shown as shown in FIG. 11 (d).
- the position specifying unit 106 determines that the mobile terminal 200 has been stored in the trouser pocket of the “waist space” from the movement locus starting from the operation reference point “chest” (FIG. 11B) or “the chest space”. "Is stored in the chest pocket” (FIG. 11D).
- the mode switching unit 110 switches the mode according to the specified position. Specifically, the mode switching unit 110 switches the mode to “sound” when the terminal position is “waist space”.
- the mode switching unit 110 switches the mode to “vibration”.
- the mobile terminal 200 can notify the user by “sound” (FIG. 11C).
- the mobile terminal 200 can notify the user by “vibration” (FIG. 11E).
- the mode switching unit 110 outputs sound or vibration when the inclination detected by the sensor unit 102 is equal to or greater than a predetermined threshold. Also good. Thereby, the mobile terminal 200 can alert the user that the mobile terminal 200 falls from the pocket. If the sensor unit 102 such as a gyro simply detects the inclination, the inclination always equal to or greater than a predetermined threshold value is used regardless of whether the portable terminal 200 is in the user's waist pocket or the portable terminal 200 is in the bag. If it is detected, the mobile terminal 200 notifies the user. However, as shown in the present embodiment, since the mobile terminal 200 can automatically specify the position of the mobile terminal 200 itself, the mobile terminal 200 calls attention by tilting only when it is in the breast pocket. Is possible.
- the mode switching unit 110 may automatically turn off the power when the mobile terminal 200 is inserted in a breast pocket or the like.
- the mobile terminal 200 automatically specifies the holding position of the mobile terminal 200 with respect to the user, thereby notifying the mode of the mobile terminal 200 (power ON / OFF of the mobile terminal 200, a notification indicating a call or mail, etc. ) Can be automatically switched to a state more suitable for the user.
- Patent Document 2 Japanese Patent No. 3505040. These are methods for determining whether the user is walking or stopped based on the acceleration obtained from the acceleration sensor provided in the portable terminal.
- the values of the acceleration sensor and the like used for these motion determinations vary greatly depending on the position where the user holds the mobile terminal, it is important in which position the mobile terminal is held with respect to the user. .
- the user can specify the position where the portable terminal is held, and the detected operation can be accurately determined.
- FIG. 12 is a block diagram showing a characteristic functional configuration of mobile terminal 300 according to Embodiment 3 of the present invention.
- the mobile terminal 300 according to the third embodiment includes a sensor information storage unit 107, an operation pattern rule storage unit 108, and an operation determination unit 109 in addition to the components included in the mobile terminal 100 according to the first embodiment. Note that the same components as those of the mobile terminal 100 according to the first embodiment are denoted by the same reference numerals and description thereof is omitted.
- the sensor information storage unit 107 stores speed information detected by the sensor unit 102.
- the operation pattern rule storage unit 108 stores user operation rules (hereinafter referred to as operation pattern rules) for the detected speed information pattern and terminal position.
- FIG. 13 is a diagram illustrating an example of an operation pattern rule stored in the operation pattern rule accumulation unit 108.
- a general portable terminal determines the user's motion based on the presence or absence of a predetermined periodic vibration that appears with the motion. Do. Periodic vibrations are detected using Fourier transform or the like. For example, when the user is walking, the sensor unit 102 detects periodic vibrations and changes in angle. And the period of the detected periodic vibration and change in angle varies depending on the walking speed. Therefore, the portable terminal can identify whether it is walking or running based on the value of the period or angle.
- the mobile terminal determines that the user is stopped, or determines that the user is grasping (gripping) an object from discrete sensor values. To do. Therefore, the motion pattern rule accumulation unit 108 included in the mobile terminal 300 according to the present embodiment stores motion pattern rules for determining walking, running, stopping, and the like based on the angle or the cycle.
- the value detected from the sensor varies greatly depending on the sensor mounting position.
- the operation can be determined when the mobile terminal is in the pocket of the pants.
- the vibration and change in angle associated with walking are small compared to the pants pocket, so the operation cannot be determined. Therefore, the operation pattern rule accumulation unit 108 included in the mobile terminal 300 according to the present embodiment stores the operation pattern rules according to the terminal position.
- the “angle is 0 degree or more and less than 10 degrees” and the “cycle is 0.
- stop is set as the user operation.
- the “angle is not less than 10 degrees and less than 15 degrees” and the “period is not less than 0.3 ms and less than 0.5 ms”.
- the vibration is a large vibration with an angle of 15 degrees or more, and the period is 0.3 ms or more and less than 0.5 ms.
- “running” is set as the user motion.
- the operation of “gripping” an object cannot be determined only from the speed information. “Unable to judge” is set.
- the mobile terminal 300 when the mobile terminal 300 is in the “chest space (chest pocket)”, when the “angle is 0 degree or more and less than 5 degrees” and it appears in a long period of “a period of 0.5 ms or more”, it is periodic. Since there is no such operation, “Stop” is set as the user operation in the operation pattern rule shown in FIG. Similarly, when the mobile terminal 300 is in the “chest space (chest pocket)”, the “angle is 5 degrees or more and less than 10 degrees” and the cycle is “a cycle is 0.3 ms or more and less than 0.5 ms”. When there is a periodic motion, there is a periodic motion, so “walking” is set as the user motion.
- the mobile terminal 300 when the mobile terminal 300 is in the “chest space (chest pocket)”, it is a large vibration with an “angle of 10 degrees or more and less than 15 degrees” and a “period is 0.3 ms or more and less than 0.5 ms”.
- “running” is set as the user's action because there is a periodic action and vibration is large.
- the angle pattern corresponding to the operation varies depending on the terminal position because the width of the angle that appears when the user walks or runs is smaller in the chest pocket than in the pants pocket.
- the operation determination unit 109 determines an operation with reference to the speed information stored in the sensor information storage unit 107 and the operation pattern rule stored in the operation pattern rule storage unit 108.
- FIG. 14 is a diagram for explaining operation determination.
- the graph of FIG. 14A is a graph showing the change of the angle when the portable terminal 300 is in the “lumbar space (trouser pocket)”, with the horizontal axis representing time and the vertical axis representing the angle.
- the motion determination unit 109 determines that the user's motion is “stop” by referring to the motion pattern rule. To do.
- the change in angle is 10 degrees or more from time T2 to T3 and the operation is periodic (for example, 0.4 ms period)
- the operation determination unit 109 refers to the operation pattern rule.
- the user's action is determined as “walking”.
- the motion determination unit 109 determines that the user's motion is “determination impossible” by referring to the motion pattern rule.
- the graph of FIG. 14B is a graph showing the change of the angle when the mobile terminal 300 is at the “chest (chest pocket)”, with the horizontal axis representing time and the vertical axis representing the angle.
- the motion determination unit 109 determines that the user's motion is “stop” by referring to the motion pattern rule. To do.
- the change in angle is 5 degrees or more from time T1 to T2 and the operation is periodic (for example, 0.4 ms period)
- the operation determination unit 109 refers to the operation pattern rule.
- the user's action is determined as “walking”.
- the angle changes after time T2 the cycle is long (for example, 0.5 ms or more), so the motion determination unit 109 refers to the motion pattern rule to determine that the user's motion is “gripping”. judge.
- the position of the mobile terminal 300 with respect to the user can be specified. It is possible to perform the operation determination more accurately.
- the mobile terminal 400 according to the fourth embodiment is the same as the mobile terminal 100 according to the first embodiment except that a part of the function of the reference point specifying unit 104 is different. That is, since mobile terminal 400 of the fourth embodiment includes the same components as mobile terminal 100 of the first embodiment shown in FIG. 1, a block diagram showing a functional configuration of mobile terminal 400 of the fourth embodiment. Is omitted. Further, description of components having the same functions as those of the mobile terminal 100 according to Embodiment 1 is omitted.
- the reference point specifying unit 104 included in the portable terminal 400 includes a voice signal due to the call.
- the corresponding reference point is specified as the operation reference point.
- the mobile terminal 100 specifies an operation reference point for each operation information received by the operation input unit 101, and specifies the position of the mobile terminal 100 using the specified operation reference point and the movement trajectory. It was. Therefore, when a plurality of pieces of operation information are continuously received by the operation input unit 101, the mobile terminal 100 specifies the position of the mobile terminal 100 based on the reference point corresponding to the last operation information. That is, since the mobile terminal 100 specifies the operation reference point so that the distance of the movement trajectory to the end point when the operation reference point is the start point, the position specifying error can be reduced. However, when “call” is included in the operation information, it is not always possible to reduce the error when the reference point corresponding to the last operation information is set as the operation reference point.
- FIG. 1 a description will be given with reference to FIG.
- FIG. 15 shows a case where the mobile terminal 400 first receives an incoming call, and then the user presses the call button, “calls” for a while, then presses the “cut” button, and finally stores the mobile terminal 400 in the pocket of the pants. It is a figure which shows the time change of the displacement of the portable terminal 400 in the Z-axis direction (perpendicular to the ground). In the graph of FIG. 15, the position where the “call button” is first pressed is shown as the origin (0 cm).
- the portable terminal moves 100 cm in the Z-axis direction.
- the position of the portable terminal is less likely to be shaken during the “call”.
- the user finishes the call returns the mobile terminal to the chest again, and presses the “cut button”.
- the mobile terminal has moved again to the vicinity of 0 cm, but the position is blurred as in the case of the “call button”.
- the portable terminal is in a steady state at a position of about ⁇ 50 cm.
- the portable terminal 400 can improve the accuracy of specifying the position with respect to the user by using the “ear” that can acquire stable position information with less shake as the operation reference point.
- the mobile terminal 400 when “ear” is specified as the operation reference point, the mobile terminal 400 finally has a position of ⁇ 150 cm, that is, the “waist space (trouser pocket)” and the position and accuracy of the mobile terminal 400 stored. It is possible to make a good judgment.
- the reference point corresponding to the voice signal from the call is set as the operation reference point among the plurality of pieces of operation information, but the reference point is not necessarily limited to the voice signal from the call.
- a reference point corresponding to operation information such as video shooting or camera focus may be used as the operation reference point.
- the mobile terminal 100 according to Embodiment 1 uses a reference point and a reference space (30 cm from the top, 70 cm from the chest, 70 cm from the waist, in order from the top) as shown in FIG. 100 positions were identified. However, since there are individual differences among users, the accuracy of the specified position may be lowered in the uniform reference point and the reference space stored in advance as described above. Therefore, the portable terminal 500 according to the fifth embodiment is characterized in that the accuracy of the position specified by the portable terminal 500 is improved by applying the reference point and the reference space for each individual.
- mobile terminal 500 of the present embodiment will be described with reference to FIGS. 16, 17, and 18.
- FIG. 16 is a block diagram showing a characteristic functional configuration of mobile terminal 500 according to Embodiment 5 of the present invention.
- the mobile terminal 500 according to the fifth embodiment further includes an operation position history storage unit 112 and an operation position history registration unit 113 in addition to the components included in the mobile terminal 100 according to the first embodiment. Note that the same components as those of the mobile terminal 100 according to the first embodiment are denoted by the same reference numerals and description thereof is omitted.
- the operation position history accumulation unit 112 accumulates position information of operation reference points.
- the operation position history registration unit 113 uses the movement trajectory calculated by the trajectory calculation unit 105 as a starting point and is specified by the reference point specification unit 104 using the first operation reference point specified by the reference point specification unit 104 as a starting point.
- the position of the end point when the second operation reference point is the end point is registered in the operation position history accumulating unit 112 as the position information of the second operation reference point.
- the position specifying unit 106 specifies the position of the end point when the point corresponding to the operation reference point is set as the start point, based on the position information of the second operation reference point stored in the operation position history storage unit 112.
- FIG. 17 is a diagram showing that the user performs an operation such as pressing a button at the chest after making a call at the ear.
- an operation such as pressing a button at the chest after making a call at the ear.
- 30 cm is “ear”
- 70 cm is “chest”
- 70 cm is “waist”.
- the operation position history registration unit 113 displays a movement locus from “ear” to “chest”. Based on this, the position information of the reference point of “chest” is calculated, and the calculated position information is registered in the operation position history storage unit 112.
- FIG. 18 shows a space obtained from the movement locus when the reference point “ear” corresponding to the operation information “call” is set as the origin, and the operation information corresponding to the reference point “chest” is received after the “call”. It is the figure which plotted the positional information on.
- the average coordinates (25, 20, -50) and the standard deviation (10, 10, 15) are obtained as the average and standard deviation calculated from the plotted points.
- the average coordinates (25, 20, -50) are position information corresponding to the reference point “chest” for this user.
- the position information corresponding to the reference point does not necessarily need to use an average, and for example, a center of gravity calculated so that the newly registered position information is more weighted may be used. Further, the position information corresponding to the reference space does not necessarily have to be calculated using variance, but simply calculated so as to include a space including all the position information accumulated in the operation position history accumulation unit 112 corresponding to the reference point. May be.
- the mobile terminal 500 of the present embodiment may further consider the difference between the left and right ears. For example, when a call is made, the sound receiving port is applied to the ear and the sound transmitting port is applied to the mouth, so that the mobile terminal 500 is inclined with respect to the ground. Therefore, if the mobile terminal 500 can further detect the inclination of the mobile terminal 500 by providing a geomagnetic sensor or the like, it is determined whether the user is touching the mobile terminal 500 to the right ear or the left ear. can do. As a result, since the mobile terminal 500 can specify the reference point and the reference space in the operation on the chest based on the subsequent movement trajectory, the mobile terminal 500 can also apply the reference point to the individual with higher accuracy. Become.
- the mobile terminal 600 according to the sixth embodiment determines the end point of the movement locus using the characteristic of the movement locus caused by the error in the speed information detected by the sensor unit 102.
- the portable terminal 600 according to the present embodiment will be described with reference to FIGS. 19 and 20.
- FIG. 19 is a block diagram showing a characteristic functional configuration of mobile terminal 600 according to Embodiment 6 of the present invention.
- the mobile terminal 600 of the sixth embodiment is different from the mobile terminal 100 of the first embodiment in that the position specifying unit 106 includes an error characteristic detection unit 106a and an end point determination unit 106b. Note that the same components as those of the mobile terminal 100 according to the first embodiment are denoted by the same reference numerals and description thereof is omitted.
- the error characteristic detection unit 106a detects the characteristic of the movement trajectory resulting from the error in the speed information detected by the sensor unit 102. Specifically, when the sensor unit 102 includes an acceleration sensor, the error characteristic detection unit 106a detects a quadratic function change in the position of the mobile terminal 600 caused by an error in acceleration detected by the sensor unit 102. To do.
- the end point determination unit 106b determines the end point of the movement locus according to the characteristic of the movement locus detected by the error characteristic detection unit 106a. Specifically, when the sensor unit 102 includes an acceleration sensor, the end point determination unit 106b determines, as the end point, a point at which a quadratic function change is detected by the error characteristic detection unit 106a.
- the end point determination unit 106b determines whether or not the operation input unit 101 has received input of operation information within a predetermined time after the error characteristic detection unit 106a starts detecting a quadratic function change, and The end point is determined based on whether or not a quadratic change continues. Specifically, the end point determination unit 106b determines whether or not the operation input unit 101 accepts input of operation information within a predetermined time after the start of detection of a quadratic function-like change, and the quadratic function. Determine whether functional changes continue. Then, when the end point determination unit 106b determines that the operation input unit 101 does not accept the input of the operation information and the change in the quadratic function continues, the change in the quadratic function starts to be detected.
- a point is determined as the end point.
- the end point determination unit 106b determines that the operation input unit 101 accepts operation information input or that the quadratic function change does not continue, a quadratic function change starts to be detected. Do not determine point as end point.
- position identification performed based on acceleration generally includes an error due to a sensor drift phenomenon or the like.
- the errors are added in a quadratic function, which makes it difficult to specify the position. That is, the mobile terminal 600 of the present embodiment uses this drift phenomenon to determine the end point of the movement trajectory.
- the error characteristic detection unit 106a and the end point determination unit 106b will be described in detail with reference to FIG.
- FIG. 20 is a diagram showing a displacement in the Z-axis direction (positional change in time) when the user performs an operation on the chest and then stores the portable terminal 600 in the pocket of the pants.
- the mobile terminal 600 moves within the front and rear 35 cm, that is, the chest space for a while, and moves to the position ⁇ 100 cm after the cut button is pressed. It shows that. Since the position of the end point is ⁇ 100 cm from the reference point (chest), the position specifying unit 106 can specify that it has moved to the waist space. However, if the sensor unit 102 continues to detect the speed information after the end point, the displacement error becomes large, and it moves greatly despite being in the pocket of the pants. That is, in order to specify the position of the portable terminal 600 with respect to the user with high accuracy, it is important to correctly determine the end point.
- the mobile terminal 600 determines the end point using the point where the drift phenomenon starts to be detected. Specifically, as shown in the figure, the end point determination unit 106b determines, as the end point, the point at which the time change of displacement starts to show a quadratic function characteristic.
- the detection error of the sensor unit 102 always occurs. However, when the user performs some operation such as pressing a button, the so-called error is canceled because the acceleration value generated by this operation is large. For example, in FIG. 20, the detection error of the sensor unit 102 occurs even after the mail operation button is pressed and before the cut button is pressed. However, since the acceleration value due to the movement of the hand holding the mobile terminal 600 by the user or the shaking caused by the user's operation is larger, the error is canceled out. That is, in FIG. 20, the change of the quadratic function of the displacement as indicated by the dotted curve does not continue.
- the end point determination unit 106b determines the point where the quadratic function change is detected as the end point only when the quadratic function change continues within a predetermined time (for example, 1 second).
- the end point determination unit 106b determines whether or not a quadratic function-like change continues, for example, based on whether or not the sensor unit 102 detects an acceleration equal to or greater than a predetermined threshold. Specifically, when only an acceleration less than a predetermined threshold is detected, the end point determination unit 106b determines that a quadratic function change continues.
- the end point determination unit 106b calculates a difference between the change in the quadratic function of the displacement and the actual change, and when the calculated difference is equal to or less than a predetermined threshold value continues for a predetermined time, It may be judged that a continuous change continues.
- the end point determination unit 106b detects the quadratic function change when the operation input unit 101 accepts the input of the operation information. The starting point is not determined as the end point.
- the mobile terminal according to the present invention has been described based on the embodiments, but the present invention is not limited to these embodiments. Unless it deviates from the gist of the present invention, various modifications conceived by those skilled in the art have been made in the present embodiment, and forms constructed by combining components in different embodiments are also included in the scope of the present invention. .
- the relative position of the mobile terminal is defined by “ear space”, “chest space”, “waist space”, etc., but these reference spaces are limited to such divisions.
- the reference space may be divided into a space where the user can see the screen of the mobile terminal and a space where the user cannot see the screen.
- the user usually performs button operations such as inputting a mail at a position where the screen of the mobile terminal can be seen.
- the “ear space” in FIG. 4 is a space where the screen of the mobile terminal does not enter the user's field of view.
- the operation of the mobile terminal by the user differs between the space where the screen of the mobile terminal enters the user's view and the space where the screen does not enter.
- specification part specified the position of the portable terminal with respect to a user using the information of the movement locus
- the following modifications are also considered. .
- the mobile terminal can know where it was before.
- the mobile terminal is stored in the breast pocket. Initially, it is unknown that the mobile terminal is stored in the breast pocket. Then, when an incoming call is received at the portable terminal stored in the breast pocket, it is considered that the user moves the portable terminal to the ear and makes a call.
- the trajectory calculation unit calculates the trajectory of the mobile terminal from when the mobile terminal receives an incoming call.
- specification part specifies the position where the user started the telephone call with an ear
- the locus from when the mobile terminal receives an incoming call until the user starts a call can be calculated from acceleration or the like as in the above-described embodiment.
- the position specifying unit determines the position where the user has taken out the mobile terminal by tracing the trajectory starting from the ear (reference point). It can be specified as the position of the end point of the locus.
- an original storage position This identifies that the mobile device was stored in the breast pocket before receiving the call.
- the position where the mobile terminal is stored which is specified as described above, is referred to as an original storage position.
- the position specifying unit The position where the portable terminal was stored can be specified after the fact.
- the position where the mobile terminal is stored cannot be specified based on the subsequent trajectory from the reference point when performing some operation or the like or the accuracy of the specified position is low, By using the reference point based on the operation to be performed next, the position where the portable terminal is accommodated can be specified afterwards.
- the user does not always operate at a certain position in the space as described above.
- simply specifying the position of the mobile terminal based on the reference point (for example, the chest) and the subsequent trajectory does not necessarily mean that the position specifying unit can accurately specify the storage position of the mobile terminal.
- the position specifying unit specifies that the original storage position is the breast pocket by following the trajectory reversely as in the above method. be able to.
- the original storage position is specified as the breast pocket based on the subsequent incoming call. This can increase confidence in the accuracy of position identification.
- the storage location history of the mobile terminal can be accurately stored.
- the history of the position where the user stores the portable terminal collected in this way can be used for creating a user profile or the like.
- the specification of the original storage position by tracing the trajectory from the incoming call to the call in reverse has the property that the accuracy of the position specification is higher. This is because when there is an incoming call, the user generally takes out the mobile phone immediately, and since the subsequent operation is limited to just pressing the call button, the call operation is often started immediately. It is. That is, the time from a call to an incoming call is relatively short, and there are few operations on the way, so noise and errors are unlikely to occur in the trajectory. Further, this is because a call is generally performed at the ear, and there is little error in the reference point between users or due to situational differences.
- the mobile terminal can use the original storage position of the mobile terminal specified by the above-described method to confirm whether the storage position specified by the method shown in the first embodiment or the like is correct. Furthermore, when the storage position cannot be specified by the method described in Embodiment 1 or the like, the mobile terminal can be used to supplement the storage position by using the original storage position specified thereafter. .
- this invention can also be implement
- the operation input acquisition unit and the sensor information acquisition unit included in the terminal position specifying device acquire operation information and speed information from the operation input unit and the sensor unit included in the mobile terminal.
- specification apparatus specifies the position of the portable terminal with respect to a user similarly to the portable terminal which concerns on this Embodiment using the acquired operation information and speed information.
- the present invention can be realized as a terminal location specifying method for executing processing performed by such characteristic components of a mobile terminal, or as a program for causing a computer to execute the method.
- a program can be distributed via a recording medium such as a CD-ROM or a transmission medium such as the Internet.
- the present invention is a portable terminal that can identify the position of the portable terminal with respect to the user, in particular, as a portable terminal that switches the operation mode of the portable terminal using the identified position or recognizes the user's operation.
- a portable terminal that can be used as a mobile phone, a PDA, a digital still camera, or the like.
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Abstract
Description
図1は、本実施の形態に係る携帯端末100の特徴的な機能構成を示すブロック図である。携帯端末100は、ユーザが携帯して使用可能な機器であり、例えば、携帯電話、PDA(携帯情報端末:Personal Digital Assistant)、デジタルスチルカメラ、携帯型オーディオプレーヤー等の機器である。図に示すように、携帯端末100は、操作入力部101、センサ部102、基準点規則蓄積部103、基準点特定部104、軌跡算出部105及び位置特定部106を備える。以下、まず各構成要素について説明し、後に本発明の動作フローを説明する。
次に、本発明の実施の形態2に係る携帯端末200について説明する。
次に、本発明の実施の形態3に係る携帯端末300について説明する。
次に、本発明の実施の形態4に係る携帯端末400について説明する。
次に、本発明の実施の形態5に係る携帯端末500について説明する。
次に、本発明の実施の形態6に係る携帯端末600について説明する。
101 操作入力部
102 センサ部
103 基準点規則蓄積部
104 基準点特定部
105 軌跡算出部
106 位置特定部
106a 誤差特性検出部
106b 終点決定部
107 センサ情報蓄積部
108 動作パターン規則蓄積部
109 動作判定部
110 モード切替部
111 モード蓄積部
112 操作位置履歴蓄積部
113 操作位置履歴登録部
Claims (16)
- ユーザに対する携帯端末の位置を特定する携帯端末であって、
前記ユーザによる操作情報の入力を受け付ける操作入力部と、
当該携帯端末の速度情報を検出するセンサ部と、
前記操作情報と、当該操作情報の入力が受け付けられるときの当該携帯端末の位置を示す基準点と、の関係を示す基準点規則を記憶している基準点規則蓄積部と、
前記基準点規則を参照することにより、前記操作入力部において受け付けられた操作情報に対応する基準点を操作基準点として特定する基準点特定部と、
前記センサ部により検出された速度情報に基づき、当該携帯端末の移動軌跡を算出する軌跡算出部と、
前記軌跡算出部により算出された前記移動軌跡を用いて、前記操作基準点に対応する点を始点とした前記移動軌跡の終点の位置を特定する位置特定部と、を備える
携帯端末。 - 前記携帯端末は、さらに、
前記操作基準点の位置情報を蓄積する操作位置履歴蓄積部と、
前記軌跡算出部により算出された前記移動軌跡を用いて、前記基準点特定部により特定された第一操作基準点を始点とし、かつ、前記基準点特定部により特定された第二操作基準点を終点とした場合において、当該終点の位置を前記第二操作基準点の位置情報として前記操作位置履歴蓄積部に登録する操作位置履歴登録部と、を備え
前記位置特定部は、前記操作位置履歴蓄積部に蓄積された前記第二操作基準点の位置情報に基づいて、前記終点の位置を特定する
請求項1に記載の携帯端末。 - 前記位置特定部は、さらに、
前記センサ部により検出される前記速度情報の誤差に起因する前記移動軌跡の特性を検出する誤差特性検出部と、
検出された前記移動軌跡の特性に応じて前記移動軌跡の終点を決定する終点決定部と、を有する
請求項1に記載の携帯端末。 - 前記センサ部は、少なくとも加速度を前記速度情報として検出し、
前記誤差特性検出部は、前記センサ部により検出される前記加速度の誤差に起因する、当該携帯端末の位置の二次関数的な変化を検出し、
前記終点決定部は、前記誤差特性検出部により二次関数的な変化が検出され始めた点を前記終点として決定する
請求項3に記載の携帯端末。 - 前記終点決定部は、前記二次関数的な変化が検出され始めた後の所定時間内に、前記操作入力部による操作情報の入力の受け付けが有るか否か、及び、前記二次関数的な変化が続いているか否かに基づいて、前記終点を決定する
請求項4に記載の携帯端末。 - 前記終点決定部は、前記二次関数的な変化が検出され始めた後の所定時間内に、前記操作入力部による操作情報の入力の受け付けが有るか否か、及び、前記二次関数的な変化が続いているか否かを判定し、前記操作入力部による操作情報の入力の受け付けが無く、かつ、前記二次関数的な変化が続いていると判定した場合、前記二次関数的な変化が検出され始めた点を前記終点として決定し、前記操作入力部による操作情報の入力の受け付けが有り、又は、前記二次関数的な変化が続いていないと判定した場合、前記二次関数的な変化が検出され始めた点を前記終点として決定しない
請求項5に記載の携帯端末。 - 前記基準点規則蓄積部は、当該携帯端末が有する機能の決定に関する操作情報と、前記ユーザの胸の前を示す胸元基準点と、を対応づけた前記基準点規則、及び、メールに関する操作情報と、前記ユーザの胸の前を示す胸元基準点と、を対応づけた前記基準点規則を記憶し、
前記基準点特定部は、前記操作入力部により新たに受け付けられた操作情報が当該携帯端末が有する機能の決定に関する操作情報、及び、メールに関する操作情報である場合は、前記胸元基準点を前記操作基準点として特定する
請求項1に記載の携帯端末。 - 前記基準点規則蓄積部は、操作情報の一つである音声信号と、前記ユーザの耳の横を示す耳元基準点と、を対応づけた前記基準点規則を記憶し、
前記基準点特定部は、前記操作入力部により新たに受け付けられた操作情報が音声信号である場合は、前記耳元基準点を前記操作基準点として特定する
請求項1に記載の携帯端末。 - 前記携帯端末は、さらに、
前記位置特定部により特定された終点の位置と、当該携帯端末の機能及び動作の設定を示すモードと、の関係を示すモード規則を記憶するモード蓄積部と、
前記モード規則を参照することにより、前記位置特定部により特定された前記終点の位置に対応したモードに切り替えるモード切替部と、を備える
請求項1に記載の携帯端末。 - 前記基準点特定部は、前記操作入力部により新たに受け付けられた操作情報が複数あり、かつ、当該操作情報の中に所定の操作情報が含まれる場合、前記所定の操作情報に対応する基準点を前記操作基準点として特定する
請求項1に記載の携帯端末。 - 前記所定の操作情報は、通話による音声信号である
請求項10に記載の携帯端末。 - 前記センサ部は、前記操作入力部により操作情報の入力が受け付けられたときに、前記速度情報の検出を開始する
請求項1に記載の携帯端末。 - 前記位置特定部は、前記軌跡算出部により算出された前記移動軌跡を逆に辿ることにより、前記移動軌跡の終点の位置を特定する
請求項1に記載の携帯端末。 - 前記操作情報は通話による音声信号であり、
前記位置特定部は、前記通話による音声信号に対応する電話の着信があったときの終点の位置を特定する
請求項13に記載の携帯端末。 - ユーザによる操作情報の入力を受け付ける操作入力部と、携帯端末の速度情報を検出するセンサ部とを備える携帯端末において、ユーザに対する当該携帯端末の位置を特定する端末位置特定方法であって、
前記操作情報と、当該操作情報の入力が受け付けられるときの当該携帯端末の位置を示す基準点と、の関係を示す基準点規則を参照することにより、前記操作入力部において受け付けられた操作情報に対応する基準点を操作基準点として特定する基準点特定ステップと、
前記センサ部により検出された速度情報に基づき、当該携帯端末の移動軌跡を算出する軌跡算出ステップと、
前記軌跡算出ステップにおいて算出された前記移動軌跡を用いて、前記操作基準点に対応する点を始点とした前記移動軌跡の終点の位置を特定する位置特定ステップと、を含む
端末位置特定方法。 - ユーザによる操作情報の入力を受け付ける操作入力部と、携帯端末の速度情報を検出するセンサ部とを備える携帯端末において、ユーザに対する当該携帯端末の位置を特定するプログラムであって、
前記操作情報と、当該操作情報の入力が受け付けられるときの当該携帯端末の位置を示す基準点と、の関係を示す基準点規則を参照することにより、前記操作入力部において受け付けられた操作情報に対応する基準点を操作基準点として特定する基準点特定ステップと、
前記センサ部により検出された速度情報に基づき、当該携帯端末の移動軌跡を算出する軌跡算出ステップと、
前記軌跡算出ステップにおいて算出された前記移動軌跡を用いて、前記操作基準点に対応する点を始点とした前記移動軌跡の終点の位置を特定する位置特定ステップと、をコンピュータに実行させる
プログラム。
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US10582039B2 (en) | 2014-08-27 | 2020-03-03 | Kyocera Corporation | Mobile electronic device and control method |
JP2016161313A (ja) * | 2015-02-27 | 2016-09-05 | 株式会社日立アドバンストシステムズ | 測位システム |
JP2016181234A (ja) * | 2015-03-25 | 2016-10-13 | 沖電気工業株式会社 | 情報処理装置、プログラム、携帯端末、及び情報処理システム |
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US8351958B2 (en) | 2013-01-08 |
US20100304757A1 (en) | 2010-12-02 |
JPWO2010007765A1 (ja) | 2012-01-05 |
JP4628483B2 (ja) | 2011-02-09 |
CN102016497A (zh) | 2011-04-13 |
CN102016497B (zh) | 2012-07-25 |
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