WO2010023965A1 - Portable terminal, movement determination method, and program - Google Patents

Portable terminal, movement determination method, and program Download PDF

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Publication number
WO2010023965A1
WO2010023965A1 PCT/JP2009/004299 JP2009004299W WO2010023965A1 WO 2010023965 A1 WO2010023965 A1 WO 2010023965A1 JP 2009004299 W JP2009004299 W JP 2009004299W WO 2010023965 A1 WO2010023965 A1 WO 2010023965A1
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WO
WIPO (PCT)
Prior art keywords
connection
mobile terminal
state
time
unit
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PCT/JP2009/004299
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French (fr)
Japanese (ja)
Inventor
佐藤正
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日本電気株式会社
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Publication of WO2010023965A1 publication Critical patent/WO2010023965A1/en

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/10—Details of telephonic subscriber devices including a GPS signal receiver

Definitions

  • the present invention relates to a mobile terminal, a movement determination method, and a program.
  • a mobile communication terminal obtains information indicating an installation location from a non-contact type communication device installed at a plurality of locations, thereby specifying the position of the mobile communication terminal There is a method to do this (see Patent Document 1).
  • a method for estimating behaviors such as “walking”, “running”, and “stillness” of a user of the mobile phone based on data sensed by a sensor built in the mobile phone (see Patent Document 2).
  • a method of calculating position information from a GPS signal from a GPS satellite using a mobile phone terminal is also well known (see Patent Document 3).
  • a method of managing the position of a connected device by embedding an RF tag in a power plug and reading it with a tag reader connected to a PLC (Power Line Communications) modem has also been proposed (see Patent Document 4).
  • Patent Document 1 In the method disclosed in Patent Document 1, it is necessary to install a plurality of non-contact type communication devices in order to acquire position information, and a means for communicating with the non-contact type communication device is also provided on the mobile communication terminal side. It is necessary to prepare as wear.
  • the mobile phone terminal needs to have a GPS receiver.
  • the method disclosed in Patent Document 3 is not effective in places such as indoors where GPS radio waves do not reach.
  • an RF tag In the method disclosed in Patent Document 4, an RF tag must be embedded in the power plug, and an RF tag reader must be connected to the PLC modem. Further, in the method disclosed in Patent Document 4, in the case of a device that can separate the power plug and the notebook PC main body, such as a notebook PC, there is a device corresponding to the ID of the RF tag embedded in the power plug. It is not always connected to a power outlet.
  • a mobile terminal includes a plurality of connection terminals for connecting to a plurality of external device facilities, and a plurality of device facilities via each of the connection terminals.
  • a connection determination unit that determines whether the connection state is a connected state or an unconnected state
  • a connection state storage unit that stores the connection state determined by the connection determination unit
  • a plurality of connections stored in the connection state storage unit The mobile terminal includes a movement estimation unit that estimates whether or not the mobile terminal is moving based on a connection state between each of the device facilities and each of the connection terminals.
  • the movement estimation unit of the mobile terminal is configured to obtain a single connection time for connection with one device facility among the plurality of device facilities based on the connection state with each of the plurality of device facilities stored in the connection state storage unit. It may be calculated and estimated that the mobile terminal is not moving within the single connection time.
  • the movement estimation unit of the mobile terminal determines that the connection determination unit determines that the connection state of the one equipment is in a connected state after the connection determination unit determines that the connection state of the one equipment is in an unconnected state. From the single connection start time that is the first determined time to the single connection end time that is the last time that the connection determination unit determines that the connection state of the one equipment is in the connected state after the single connection start time May be calculated as the single connection time related to the one equipment.
  • the movement estimation unit of the mobile terminal is connected to any one of the plurality of device facilities based on the connection state with each of the plurality of device facilities stored in the connection state storage unit. And the mobile terminal may be estimated not to move during the complex connection time.
  • the movement estimation unit of the mobile terminal is configured so that the connection state of any of the plurality of device facilities is in the connected state after the connection determination unit determines that the connection states of the plurality of device facilities are all unconnected states From the composite connection start time that is the time when the connection determination unit first determines that the connection determination unit is connected, the connection determination unit determines that the connection state of any of the plurality of device facilities is in the connected state after the composite connection start time. The time until the composite connection end time, which is the last time determined by, may be calculated as the composite connection time.
  • the mobile terminal further includes a position information acquisition unit that acquires the position information of the mobile terminal from the outside, and the movement estimation unit is finally acquired by the position information acquisition unit when it is estimated that the mobile terminal is not moving.
  • the stationary position of the mobile terminal may be further estimated based on the position information.
  • the portable terminal further includes a position information acquisition unit that acquires the position information of the portable terminal from the outside, and the movement estimation unit is configured to pass a predetermined time since the position information was last acquired by the position information acquisition unit.
  • the mobile terminal may estimate whether or not it is moving.
  • a portable terminal has a plurality of connection terminals for connecting to each of a plurality of external device facilities, a position information acquisition unit for acquiring position information of the mobile terminal from the outside, and a connection terminal
  • the connection determination unit for determining whether the connection state is in the connected state or the unconnected state with each of the plurality of device facilities via each, and the connection state between each of the plurality of device facilities determined by the connection determination unit
  • a movement estimation unit that estimates whether or not the mobile terminal is moving, and when the movement estimation unit estimates that the mobile terminal is not moving, the position acquired last by the position information acquisition unit Based on the information, the stationary position of the mobile terminal is further estimated.
  • connection determination unit of the mobile terminal is connected to each of the plurality of device facilities in either a connected state or an unconnected state when a predetermined time has elapsed since the position information was last acquired by the position information acquisition unit. You may judge whether it is in a state.
  • the portable terminal may further include a position information output unit that outputs position information of the stationary position to the outside when the stationary position of the portable terminal is estimated by the movement estimation unit.
  • the plurality of equipment may be a display device and a power supply facility, and the connection determination unit may determine whether the display device and the power supply facility are connected or not connected. Good.
  • the portable terminal You may further provide the action information determination part which determines the action information memorize
  • the movement determination method is determined by a connection determination step for determining whether each of a plurality of external equipment is in a connected state or an unconnected state, and a connection determination step. And a movement estimation step for estimating whether or not the mobile terminal is moving based on a connection state with each of the plurality of device facilities.
  • a program includes a connection determination step of determining whether a connection state or an unconnected state with each of a plurality of external device facilities is connected to a computer of a mobile terminal; A movement estimation step for estimating whether or not the mobile terminal is moving based on the connection state with each of the plurality of device facilities determined in the determination step is executed.
  • the cost when estimating the position or action, or when estimating whether or not the mobile terminal that is the basis for estimating the position or action is moving, the cost (particularly the initial introduction cost) is reduced. Can be reduced. It is not necessary to add hardware such as a specific communication module or sensor on the terminal side to determine whether or not the mobile terminal is moving using the connection terminal that originally exists in the mobile terminal, and an external device is separately provided. It is because it is not necessary to install.
  • the present invention it is possible to improve the accuracy of estimation of position or action, or estimation of whether or not the mobile terminal that is the basis of position or action estimation is moving. This is because it is not affected by the operation of the owner because it is determined whether or not a device or facility is actually connected via the connection terminal.
  • the present invention it is possible to estimate the position or action or whether the mobile terminal that is the basis of the position or action estimation is moving even in a place where GPS radio waves do not reach. It becomes. This is because it is determined whether or not the mobile terminal is moving using the connection terminal originally present in the mobile terminal. Moreover, it is not necessary to provide a GPS receiver in the portable terminal.
  • FIG. 1 It is a block diagram which shows the portable terminal by the 1st Embodiment of this invention. It is an example of the power supply connection status data memorize
  • FIG. It is a schematic diagram which shows typically the estimation result by the movement estimation part shown in FIG. It is a block diagram which shows the other structure of the portable terminal by the 1st Embodiment of this invention. It is a schematic diagram which shows typically the estimation result by the movement estimation part shown in FIG. It is a block diagram which shows the portable terminal by the 2nd Embodiment of this invention. It is a flowchart which shows an example of operation
  • FIG. 1 is a block diagram of a portable terminal 10 according to the first embodiment of the present invention.
  • 2A to 2C are examples of connection states stored in the connection state storage unit 100, respectively.
  • the mobile terminal 10 has a plurality of connection terminals for connecting to a plurality of external devices and facilities (hereinafter referred to as “device facilities”).
  • the plurality of external equipment facilities include any of a plurality of external equipments, a plurality of external equipments, or at least one external equipment and at least one external equipment.
  • the mobile terminal 10 is, for example, a mobile station (for example, a mobile phone or PHS), a computer (for example, a notebook PC or PDA), or the like.
  • the portable terminal 10 also includes a portable game machine, a music playback device, a video playback device, a recording device, a video storage device, and the like. Furthermore, since the mobile terminal 10 can move, a desktop PC or the like is also included.
  • the mobile terminal 20 (described later) is the same as the mobile terminal 10.
  • the mobile terminal 10 includes a power cable connection terminal 12, a display device cable connection terminal 14, a connection state storage unit 100, a connection determination unit 110, a position information acquisition unit 120, a clock unit 130, and movement estimation. Unit 140 and position information output unit 150.
  • the connection determination unit 110 includes a power connection determination unit 112 and a display device connection determination unit 114.
  • the power cable connection terminal 12 is a terminal for connecting a power cable for connection with power equipment.
  • the display device cable connection terminal 14 is a terminal for connecting a display device cable for connection to the display device.
  • the power cable connection terminal 12 and the display device cable connection terminal 14 are mounted as hardware of the mobile terminal 10.
  • the power connection determination unit 112 determines whether or not it is connected to an external power supply facility (for example, an outlet) via the power cable connection terminal 12 (that is, the power connection determination unit 112 connects the power cable. It is determined whether it is in a connected state or an unconnected state with an external power supply facility via the terminal 12).
  • the display device connection determination unit 114 determines whether it is in a connected state or an unconnected state with an external display device (for example, a separate display or projector) via the display device cable connection terminal 14. .
  • the power connection determination unit 112 stores (saves) the connection state in the connection state storage unit 100 as necessary (specifically, when the connection state changes), and this operation will be described later.
  • connection state storage unit 100 stores the connection state determined by the connection determination unit 110 (power connection determination unit 112, display device connection determination unit 114). Specifically, as shown in FIG. 2A, the connection state storage unit 100 stores a set (record) of connection state information and time information in association with an equipment ID that identifies an external equipment.
  • the connection state storage unit 100 associates the device state ID “01 (power supply facility)” with the connection state information “ON (connected state)” and the time information “2008/5 / 19: 18:15:32 ”, connection status information“ OFF (unconnected status) ”, and time information“ 2008/5/19 18:32:05 ”are stored.
  • the connection state storage unit 100 associates the device state ID “02 (display device)” with the connection state information “ON” and the time information “2008/5/19 18:30: 15 ”, connection state information“ OFF ”, and time information“ 2008/5/19 19:05:09 ”are stored.
  • connection state information “ON” and time information “X” means that the connection state has changed from the unconnected state to the connected state at time “X”.
  • the set of connection state information “OFF” and time information “Y” means that the connection state has changed from the connected state to the unconnected state at time “Y”.
  • the location information acquisition unit 120 acquires location information of the own terminal (mobile terminal 10) from the outside.
  • the position information acquisition unit 120 acquires position information by a method of acquiring position information via an external system such as a wireless LAN or Bluetooth and a network, or by a terminal user input via an input unit included in the mobile terminal 10. It is a method of acquiring information.
  • the position information includes latitude / longitude information, address information (for example, address A, B city, C town D), facility information (for example, E company F building G reception room) and the like.
  • the position information acquisition unit 120 stores the position information in association with the acquisition time of the position information.
  • the clock unit 130 includes an oscillator such as a crystal oscillator, and calculates the current time from a signal transmitted from the oscillator.
  • the movement estimation unit 140 estimates the presence / absence of movement of the position of the terminal (mobile terminal 10) based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100 (that is, the movement estimation unit). 140 estimates whether the position of the own terminal (mobile terminal 10) is moving based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100).
  • the movement estimation unit 140 is connected to one device facility of the display device or the power supply facility based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100 (hereinafter referred to as “the device equipment”). , Referred to as “single connection time”).
  • the movement estimation unit 140 estimates that the own terminal (mobile terminal 10) is not moving within the single connection time.
  • the time when the connection determination unit 110 first determines that the connection state of the equipment is the connected state after the connection determination unit 110 determines that the connection state of the equipment is the unconnected state is referred to as “single This is referred to as “connection start time”.
  • the time when the connection determination unit 110 finally determines that the connection state of the equipment is the connected state after the single connection start time is hereinafter referred to as “single connection end time”.
  • the movement estimation unit 140 may calculate the time from the single connection start time to the single connection end time as the single connection time for the equipment.
  • connection time the time of connection with any of the display equipment and the power supply equipment is referred to as “composite connection time”.
  • the movement estimation unit 140 calculates a composite connection time based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100, and within this composite connection time, the own terminal (mobile terminal 10) It may be estimated that it has not moved.
  • the connection determination unit 110 determines that the connection state of the display device and the power supply facility is not connected, the connection determination unit 110 first determines that the connection state of either the display device or the power supply device is in the connected state.
  • the determined time is hereinafter referred to as “composite connection start time”.
  • the time when the connection determination unit 110 finally determines that the connection state of either the display device or the power supply facility is in the connected state after the composite connection start time is hereinafter referred to as “composite connection end time”.
  • the movement estimation unit 140 may calculate the time from the complex connection start time to the complex connection end time as the complex connection time.
  • the movement estimation unit 140 may estimate whether or not the own terminal (mobile terminal 10) is moving when a predetermined time has elapsed since the position information acquisition unit 120 last acquired the position information. .
  • the movement estimation unit 140 estimates that the terminal (mobile terminal 10) is not moving, the movement estimation unit 140 determines the stationary position of the terminal (mobile terminal 10) based on the position information acquired last by the position information acquisition unit 120. Further estimation may be performed.
  • the positional information output unit 150 outputs the positional information of the stationary position to the outside.
  • Programs relating to processing of the connection determination unit 110, the position information acquisition unit 120, the clock unit 130, the movement estimation unit 140, and the position information output unit 150 are stored in a memory (not shown) in the portable terminal 10. Each program in the memory is called and executes each process at the time of execution.
  • FIG. 3 is a flowchart showing an example of the operation of the power connection determination unit 112.
  • the flowchart shown in FIG. 3 is executed periodically (for example, at intervals of 1 second). Assume that nothing is stored in the connection state storage unit 100 at the first execution of this flowchart.
  • the power supply connection determination unit 112 determines whether the power supply equipment is connected or not connected to the power supply equipment 12 via the power cable connection terminal 12 (step S100).
  • the power connection determination unit 112 determines whether or not the latest time stored in the connection state storage unit 100 is a single connection start time. (Step S112). Specifically, the power connection determination unit 112 determines whether or not the connection state information corresponding to the latest time information related to the power supply facility is the connection state information “ON (connected state)”. That is, the power connection determination unit 112 determines that the latest time is the single connection start time when the connection state information corresponding to the latest time information is the connection state information “ON (connected state)”.
  • the power connection determination unit 112 when the connection state information corresponding to the latest time information is connection state information “OFF (unconnected state)” (when the latest time is a single connection end time), or When the time information is not stored in the connection state storage unit 100, it is determined that the latest time is not the single connection start time.
  • step S100: No After determining that the power connection determination unit 112 is not in the connected state (step S100: No), when determining that the latest time stored in the connection state storage unit 100 is not the single connection start time (step S112: No) ), That is, if it is determined that the connection remains unchanged, the process of step S130 is performed. That is, the power connection determination unit 112 skips step S122, acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
  • step S100 determines that it is in the connected state (step S100: Yes)
  • the latest time stored in the connection state storage unit 100 is the single connection start time as in step S112. It is determined whether or not (step S110).
  • step S100: Yes when determining that the power connection determination unit 112 is in the connected state (step S100: Yes), when determining that the latest time stored in the connection state storage unit 100 is not the single connection start time (step S110: No), that is, when it is determined that the connection state has changed from the unconnected state to the connected state, the power connection determination unit 112 performs the process of step S120. That is, the power connection determination unit 112 associates with the equipment facility ID “01 (power facility)”, the connection state information “ON (connected state)” and the single connection start time (the reference updated in the previous step S130). A set (record) of (time) is stored in the connection state storage unit 100 (step S120). Following step 120, the power connection determination unit 112 acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
  • step S100 After determining that the power connection determination unit 112 is in the connected state (step S100: Yes), when determining that the latest time stored in the connection state storage unit 100 is the single connection start time (step S110). : Yes), that is, when it is determined that the connection state remains unchanged, the power connection determination unit 112 performs the process of step S130. That is, the power connection determination unit 112 skips step S120, acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
  • step S100: No After determining that the power connection determination unit 112 is not in the connected state (step S100: No), when determining that the latest time stored in the connection state storage unit 100 is the single connection start time (step S112: Yes), that is, when it is determined that the connection state has changed from the connected state to the unconnected state, the power connection determination unit 112 performs the process of step S122. That is, the power connection determination unit 112 associates with the equipment facility ID “01 (power facility)”, the connection state information “OFF (unconnected state)” and the single connection end time (the reference updated in the previous step S130). A set (record) of (time) is stored in the connection state storage unit 100 (step S122). Following step 122, the power connection determination unit 112 acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
  • step S100: No when the power connection determination unit 112 determines that the connection state is not established (step S100: No), it is determined whether or not the latest time stored in the connection state storage unit 100 is the single connection start time. A determination is made immediately (step S112). Instead, when the power connection determination unit 112 determines that the connection state is not established (step S100: No), whether or not the latest time stored in the connection state storage unit 100 is the single connection start time. If it is determined again that it is not in the connected state after waiting for a certain time without immediately determining (step S100: No), is the latest time stored in the connection state storage unit 100 the single connection start time? It may be determined whether or not (step S112).
  • step S100: Yes If the power connection determination unit 112 determines that the connection is being established (step S100: Yes), it immediately determines whether or not the latest time stored in the connection state storage unit 100 is the single connection start time. Judgment is made (step S110). Similarly, instead of this, when the power connection determination unit 112 determines that the connection state is established (step S100: Yes), the latest time stored in the connection state storage unit 100 is the single connection start time. If it is determined again that it is in a connected state after waiting for a predetermined time without immediately determining whether or not there is (Yes in step S100), the latest time stored in the connection state storage unit 100 is a single connection. It may be determined whether or not it is a start time (step S110). As a result, it is possible to prevent a decrease in estimation accuracy due to a temporary change in connection status (for example, temporary cable insertion / extraction).
  • the power connection determination unit 112 has been described as periodically executing the flowchart of FIG. 3, but there is no particular limitation on the start timing of regular execution and the end timing of periodic execution.
  • the flowchart of FIG. 3 may be periodically executed from the start-up to the shutdown of the mobile terminal 10.
  • FIG. 4 is a flowchart showing an example of the operation of the movement estimation unit 140.
  • FIG. 5 is a schematic diagram schematically showing a connection state of the power supply facility and the display device.
  • FIG. 6 is a schematic diagram schematically showing an estimation result by the movement estimation unit 140.
  • the flowchart shown in FIG. 4 is a composite that is connected to any one of the display equipment or the power supply equipment based on the connection state with the display equipment or the power supply equipment stored in the connection state storage unit 100. This is an example in which the connection time is determined and it is estimated that the own terminal (mobile terminal 10) is not moving within the complex connection time.
  • the movement estimation unit 140 reads connection state information stored in the connection state storage unit 100 (step S200).
  • the movement estimation unit 140 calculates a single connection time related to the power supply facility based on the connection state of the power supply facility stored in the connection state storage unit 100 (step S210). Specifically, the movement estimation unit 140 refers to the connection state storage unit 100 and calculates the time from the single connection start time related to the power supply facility to the single connection end time as the single connection time related to the power supply facility. For example, when the connection state information related to the power supply facility shown in FIG. 2B is stored in the connection state storage unit 100, the single connection times “A1” and “A2” related to the power supply facility shown in FIG. 5 are calculated.
  • the movement estimation unit 140 calculates the single connection time related to the display device based on the connection state of the display device stored in the connection state storage unit 100 (step S220). Specifically, the movement estimation unit 140 refers to the connection state storage unit 100 and calculates the time from the single connection start time related to the display device to the single connection end time as the single connection time related to the display device. For example, when the connection state information relating to the display device illustrated in FIG. 2C is stored in the connection state storage unit 100, the single connection time “B” relating to the power supply facility illustrated in FIG. 5 is calculated.
  • the movement estimation unit 140 calculates the composite connection time based on the single connection time related to the power supply facility calculated in step S210 and the single connection time related to the display device calculated in step S220 (step S230). Specifically, the time included in at least one of the single connection time for the display device or the single connection time for the power supply facility is calculated as the composite connection time. For example, when the connection state information relating to the power supply facility shown in FIG. 2B and the connection state information relating to the display device shown in FIG. 2C are stored in the connection state storage unit 100, the composite connection time shown in FIG. “C” is calculated.
  • the composite connection time “C” may be calculated as follows.
  • the minimum value (single connection start time) of the single connection time “A1” is represented by A1x
  • the maximum value is represented by A1y
  • the minimum value of the single connection time “A2” is A2x
  • the maximum value is A2y
  • the minimum value of the connection time “B” is represented by Bx
  • the maximum value is represented by By.
  • Bx is compared with A1y, and when Bx ⁇ A1y is established, it is determined that the time from A1x to By is included in the composite connection time “C”.
  • A2x and By are compared and A2x ⁇ By is satisfied, it is determined that the time from A1x to A2y is included in the composite connection time “C”.
  • the composite connection time “C” is calculated.
  • the composite connection time “C” may be calculated as follows.
  • the connection state at each time (in seconds) is set as an input value (unconnected state: 0, connected state: 1).
  • an output value obtained from the logical sum (OR) of the input value of the single connection time “A1”, the input value of the single connection time “A2”, and the input value of the single connection time “B” (unconnected state: 0, connection state: 1) is calculated as the connection state of the composite connection time “C”.
  • the composite connection time “C” may be calculated as follows.
  • the single connection times “A1”, “A2”, and “B” are the sets A1, A2, and B whose elements are the time (seconds) in the connected state.
  • the movement estimation unit 140 estimates that the own terminal (mobile terminal 10) is not moving within the complex connection time calculated in step S230. Then, this flowchart ends.
  • the mobile terminal 10 shown in FIG. 1 estimates the current and past stationary time (band) R t of the terminal (mobile terminal 10). Furthermore, the portable terminal 10 shown in FIG. 1 also estimates a stationary position R p corresponding to each stationary time (band) R t using the positional information.
  • the cost is reduced. Can be reduced. Further, according to the mobile terminal 10, it is possible to improve the accuracy of position estimation or estimation of whether or not the mobile terminal 10 that is the basis of position estimation is moving. Further, according to the mobile terminal 10, it is possible to estimate the position or whether the mobile terminal 10 that is the basis of the position movement is moving even in a place where GPS radio waves do not reach. . Further, it is not necessary to provide the mobile terminal 10 with a GPS receiver. Moreover, according to the portable terminal 10, even if any power cable is connected, correct estimation is possible.
  • the mobile terminal 10 may further include a configuration for outputting terminal user behavior information.
  • FIG. 7 is a block diagram of another configuration of the mobile terminal 10.
  • FIG. 8 is a schematic diagram schematically showing an estimation result by the movement estimation unit 140.
  • the mobile terminal 10 may further include a relationship information storage unit 102, a behavior information storage unit 104, and a behavior information determination unit 160 in addition to the configuration illustrated in FIG. 1.
  • Relationship information storage unit 102 stores the relationship between the rest position R p and the terminal user's behavior information I of the portable terminal 10. For example, the relationship information storage unit 102 stores a stationary position R p : “conference room” and behavior information I: “meeting” in association with each other.
  • Action information determination unit 160 when the rest position R p of the own terminal (the mobile terminal 10) is estimated by the motion estimation unit 140, stored in the related information storage unit 102 in association with the position information of the rest position R p
  • the action information I being determined is determined as the action information I of the terminal user of the own terminal (mobile terminal 10).
  • the behavior information storage unit 104 stores the behavior information I determined by the behavior information determination unit 160.
  • the position information output unit 150 outputs the behavior information I stored in the behavior information storage unit 104 to the outside.
  • the mobile terminal 10 shown in FIG. 7 has the current and past stationary time (band) R t of the terminal (mobile terminal 10) and the stationary time corresponding to each stationary time (band) R t.
  • the terminal user's behavior (behavior information) I corresponding to each stationary time (band) R t is also estimated.
  • FIG. 9 is a block diagram of the portable terminal 20 according to the second embodiment of the present invention.
  • the mobile terminal 20 includes a power cable connection terminal 22, a display device cable connection terminal 24, a connection determination unit 210, a position information acquisition unit 220, a movement estimation unit 240, and a position information output unit 250. Is done.
  • the connection determination unit 210 includes a power connection determination unit 212 and a display device connection determination unit 214. Each component (function) is the same as each component included in the mobile terminal 10 shown in FIG. 1 except for the points described below, so only the differences will be described.
  • the power connection determination unit 212 determines whether it is in a connected state or an unconnected state with an external power source facility via the power cable connection terminal 22, similarly to the power connection determination unit 112 included in the mobile terminal 10. To do. Similar to the display device connection determination unit 114 provided in the mobile terminal 10, the display device connection determination unit 214 is in a state of being connected or not connected to an external display device via the display device cable connection terminal 24. Determine whether.
  • the connection determination unit 210 (power connection determination unit 212, display device connection determination unit 214) is in a connected state and unconnected when a predetermined time has elapsed since the position information acquisition unit 220 last acquired the position information. It may be determined which of the states.
  • FIG. 10 is a flowchart showing an example of the operation of the mobile terminal 20. The flowchart shown in FIG. 10 starts when the position information acquisition unit 220 acquires position information.
  • the position information acquisition unit 220 acquires position information (step S300).
  • the position information acquisition unit 220 that has acquired the position information supplies (outputs) the position information to the movement estimation unit 240.
  • the movement estimation unit 240 that has acquired the position information from the position information acquisition unit 220 supplies (outputs) the position information acquired from the position information acquisition unit 220 to the position information output unit 250.
  • the position information output unit 250 that has acquired the position information from the position information acquisition unit 220 outputs the position information acquired from the position information acquisition unit 220 (step S310). For example, if the location information acquisition unit 220 has acquired location information of a business trip destination hotel by input of a terminal user in step S300, the location information output unit 250 outputs the location information of the business trip destination hotel.
  • the output destination of the position information may be the display device of the own terminal (mobile terminal 20), but may be a predetermined device (for example, a SIP server) connected via a network, for example.
  • the movement estimation unit 240 that has acquired the position information from the position information acquisition unit 220 determines whether or not the own terminal (the portable terminal 20) is not moving (step S320). Specifically, the position information acquisition unit 220 estimates whether or not the own terminal (mobile terminal 20) is moving, and determines whether or not the own terminal (mobile terminal 20) has moved based on the estimation result. . This estimation process is the same as the operation of the movement estimation unit 140 provided in the mobile terminal 10 shown in FIG.
  • the movement estimation unit 240 determines whether new position information has been acquired from the position information acquisition unit 220 (step S320). S330). When it is determined that the new position information has not been acquired from the position information acquisition unit 220 (step S330: No), the movement estimation unit 240 determines whether a predetermined time has elapsed (step S340).
  • the predetermined time is time information referred to by the movement estimation unit 240 and may be an invariant value or a set value by a terminal user.
  • step S340: Yes the movement estimation unit 240 determines that the predetermined time has elapsed
  • step S340: No the movement estimation unit 240 executes step 340 until the predetermined time has elapsed (step S340: Yes).
  • step S330: Yes the process returns to step S310, and the position information output unit 250 acquires the new position information position. Output information.
  • the movement estimation unit 240 determines that the terminal (mobile terminal 20) has moved (step S320: Yes)
  • the movement estimation unit 240 supplies (outputs) position information whose position is unknown to the position information output unit 250.
  • the position information output unit 250 that has acquired the position information (position unknown) from the position information acquisition unit 220 outputs the position information (position unknown) acquired from the position information acquisition unit 220 (step S350). Then, this flowchart ends.
  • step S350 the position information output unit 250 may display a message to the terminal user that new position information should be input. Moreover, when the movement estimation part 240 judges that predetermined time passed (step S340: Yes), it may replace with step S320 and may return to step S310. When returning to step 310, the position information output unit 250 outputs the position information again (the position information output unit 250 acquires again the position information stored in the position information acquisition unit 220 from the movement estimation unit 240).
  • the mobile terminal 20 shown in FIG. 9 estimates the current stationary position using the input position information.
  • the effect similar to the portable terminal 10 by 1st Embodiment can be acquired.
  • the mobile terminal 20 may further include a configuration for outputting the action information of the terminal user shown in FIG.
  • FIG. 11 is a block diagram of another configuration of the mobile terminal 20.
  • the relationship information storage unit 202, the behavior information storage unit 204, and the behavior information determination unit 260 illustrated in FIG. 11 are the same as the relationship information storage unit 102, the behavior information storage unit 104, and the behavior information determination unit 160 of the mobile terminal 10 illustrated in FIG. Therefore, the description is omitted. According to the mobile terminal 20 shown in FIG. 11, the same effect as that of the mobile terminal 10 shown in FIG. 7 can be obtained.
  • the connection determination unit 110 (210) includes a power connection determination unit 112 (212) and a display device connection determination unit 114 (214).
  • the connection determination unit 110 (210) is replaced with the power supply connection determination unit 112 (212) and the display device connection determination unit 114 (214), or in addition to the other devices included in the mobile terminal 10 (20).
  • You may be comprised from the judgment part for other equipment facilities which judges whether it is in the state of a connection state and a non-connecting state with other equipment equipment via the connection terminal for connecting with equipment.
  • the power cable connection terminal 12 (22) and the display device cable connection terminal 14 (24) are an example of a subset of connection terminals included in the mobile terminal 10 (20), and the connection determination unit 110 (210) Various configurations can be adopted according to various connection terminals in the subset.
  • the mobile terminal 10 (20) inputs and outputs position information.
  • the mobile terminal 10 (20) may input and output additional information in addition to the position information. That is, input / output information is context (state information related to a target when focusing on a target. For example, when a portable device is targeted, the context related to the device is the location of the device, operating status, etc. In the case of targeting a person, the context related to the person can also be understood as including the whereabouts, actions, and emotions of the person).
  • the mobile terminal 10 (20) uses measurement values (for example, vibration, brightness, temperature) by various sensors as additional information related to input, and in addition to the determination by the connection determination unit 110 (210), additional information It may be estimated whether or not the mobile terminal 10 (20) is moving based on the change of. For example, when the mobile terminal 10 (20) is stored in a bag, it is dark, so it can be determined that the mobile terminal 10 (20) has moved. However, since the measurement value changes even when the mobile terminal 10 (20) is not moving, the change when the mobile terminal 10 (20) is not moving is stored in advance as an offset, and the mobile terminal 10 ( It is necessary to estimate whether 20) is moving. It is necessary to utilize various sensors that are pre-installed in the mobile terminal 10 (20). This is because the purpose is to reduce the cost.
  • measurement values for example, vibration, brightness, temperature
  • the mobile terminal 10 (20) uses input operation information by the terminal user as additional information related to input, and in addition to the determination by the connection determination unit 110 (210), You may estimate whether the terminal 10 (20) is moving. For example, when the mobile terminal 10 (20) is a notebook PC, it can be determined that the mobile terminal 10 (20) is not moving while the input operation continues.
  • a program for realizing the functions of the mobile terminal 10 shown in FIG. 1 or FIG. 7 or the mobile terminal 20 shown in FIG. 9 or FIG. 11 is recorded on a computer-readable recording medium, and the program recorded on this recording medium It may be estimated whether or not the mobile terminal 10 (20) is moving by causing the computer system to read and execute.
  • the “computer system” here includes an OS and hardware such as peripheral devices.
  • the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
  • the “computer-readable recording medium” is a storage device such as a portable medium such as a flexible disk, a magneto-optical disk, a ROM, a CD-ROM, or a hard disk built in a computer system.
  • "Computer-readable recording medium” means a program that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line.
  • a volatile memory in a computer system that serves as a server or a client in this case includes a program that holds a program for a certain period of time.
  • the above-mentioned program may be for realizing a part of the above-described functions, and may be capable of realizing the above-described functions in combination with a program already recorded in the computer system.
  • the present invention can be applied to position estimation that is one element of behavior information. For example, it can be used as a complementary function in managing a flow line of a PC or the like. Since the position of the PC can be managed, an effect such as smooth inventory can be considered.
  • the present invention can also be used for instant messengers where a plurality of people can exchange messages.

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Abstract

A portable terminal provided with a plurality of connection terminals for connection to each of a plurality of external devices/facilities comprises a connection determination section for determining whether a connection state is the state of being connected or being not connected to each of the plurality of devices/facilities via each of the connection terminals, a connection state storage section for storing the connection states determined by the connection determination section, and a movement estimation section for estimating whether or not the portable terminal is moving according to the connection states of each of the plurality of devices/facilities and each of the connection terminals which are stored in the connection state storage section.

Description

携帯端末、移動判定方法およびプログラムMobile terminal, movement determination method and program
　本発明は、携帯端末、移動判定方法およびプログラムに関する。 The present invention relates to a mobile terminal, a movement determination method, and a program.
　従来、位置又は動作を推定する技術として、移動通信端末が、複数の場所に設置されている非接触型の通信装置から設置場所を示す情報を取得することにより、その移動通信端末の位置を特定する方法が存在する（特許文献１参照）。携帯電話機に内蔵されるセンサがセンシングしたデータに基づいて、その携帯電話機のユーザの「歩き」、「走り」、「静止」などの行動を推定する方法も存在する（特許文献２参照）。携帯電話端末を用いて、ＧＰＳ衛星からのＧＰＳ信号より位置情報を算出する方法も周知である（特許文献３参照）。電源プラグにＲＦタグを埋め込み、ＰＬＣ（Ｐｏｗｅｒ　Ｌｉｎｅ　Ｃｏｍｍｕｎｉｃａｔｉｏｎｓ）モデムに接続したタグリーダでそれを読み取ることにより、接続している機器の位置を管理する方法も提案されている（特許文献４参照）。 Conventionally, as a technique for estimating a position or an operation, a mobile communication terminal obtains information indicating an installation location from a non-contact type communication device installed at a plurality of locations, thereby specifying the position of the mobile communication terminal There is a method to do this (see Patent Document 1). There is also a method for estimating behaviors such as “walking”, “running”, and “stillness” of a user of the mobile phone based on data sensed by a sensor built in the mobile phone (see Patent Document 2). A method of calculating position information from a GPS signal from a GPS satellite using a mobile phone terminal is also well known (see Patent Document 3). A method of managing the position of a connected device by embedding an RF tag in a power plug and reading it with a tag reader connected to a PLC (Power Line Communications) modem has also been proposed (see Patent Document 4).
特開２００６－１４０５４４号公報JP 2006-140544 A 特開２００６－３４５２６９号公報JP 2006-345269 A 特開２００７－１８９５９４号公報JP 2007-189594 A 特開２００７－８８９５７号公報JP 2007-88957 A
　しかしながら、従来技術には、以下のような問題が存在する。特許文献１に開示されている方法では、位置情報を取得するために非接触型の通信装置を複数設置する必要があり、移動通信端末側にも非接触型の通信装置と通信する手段をハードウェアとして備える必要がある。 However, the following problems exist in the prior art. In the method disclosed in Patent Document 1, it is necessary to install a plurality of non-contact type communication devices in order to acquire position information, and a means for communicating with the non-contact type communication device is also provided on the mobile communication terminal side. It is necessary to prepare as wear.
　特許文献２で開示されている方法では、携帯電話機側にセンサを内蔵する必要がある。また、特許文献２で開示されている方法では、行動を推定するセンサとして加速度センサを用いる例が示されているが、センサが所有者の動作に影響されて誤った行動を推定する可能性がある。この方法では、例えば、実際には一定の場所にいる所有者が身体を傾けた場合に、加速度センサが反応し、場所を移動したと判断する可能性があるためである。 In the method disclosed in Patent Document 2, it is necessary to incorporate a sensor on the mobile phone side. In addition, in the method disclosed in Patent Document 2, an example in which an acceleration sensor is used as a sensor for estimating behavior is shown. However, there is a possibility that the sensor is influenced by the operation of the owner and estimates erroneous behavior. is there. This is because, for example, when the owner who is actually in a certain place tilts his / her body, the acceleration sensor may react and determine that the place has been moved.
　特許文献３で開示されている方法では、携帯電話端末がＧＰＳ受信機を備える必要がある。また、特許文献３で開示されている方法は、ＧＰＳの電波が届かない屋内などの場所では有効でない。 In the method disclosed in Patent Document 3, the mobile phone terminal needs to have a GPS receiver. The method disclosed in Patent Document 3 is not effective in places such as indoors where GPS radio waves do not reach.
　特許文献４で開示されている方法では、電源プラグにＲＦタグを埋め込み、ＰＬＣモデムにはＲＦタグリーダを接続しなければならない。また、特許文献４で開示されている方法では、例えばノートＰＣのように、電源プラグとノートＰＣ本体を分離できるような機器の場合、電源プラグに埋め込まれたＲＦタグのＩＤに対応する機器が必ずしも電源コンセントに接続されているとは限らない。 In the method disclosed in Patent Document 4, an RF tag must be embedded in the power plug, and an RF tag reader must be connected to the PLC modem. Further, in the method disclosed in Patent Document 4, in the case of a device that can separate the power plug and the notebook PC main body, such as a notebook PC, there is a device corresponding to the ID of the RF tag embedded in the power plug. It is not always connected to a power outlet.
　以上のように、従来技術では、位置又は動作を推定する場合に、端末側にハードウェアを追加する必要があるという問題、外部に装置を別途設置する必要があるという問題、もしくは、誤った推定がなされるという問題があった。 As described above, in the prior art, when estimating the position or motion, there is a problem that it is necessary to add hardware to the terminal side, a problem that it is necessary to separately install a device outside, or an erroneous estimation. There was a problem of being made.
　上記の課題を解決するため、本発明の一態様による携帯端末は、外部の複数の機器設備それぞれと接続するための複数の接続端子を有し、接続端子それぞれを介して複数の機器設備それぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断部と、接続判断部によって判断された接続状態を記憶する接続状態記憶部と、接続状態記憶部に記憶された複数の機器設備それぞれと接続端子それぞれとの接続状態に基づいて携帯端末は移動しているか否かを推定する移動推定部とを備える。 In order to solve the above-described problem, a mobile terminal according to an aspect of the present invention includes a plurality of connection terminals for connecting to a plurality of external device facilities, and a plurality of device facilities via each of the connection terminals. A connection determination unit that determines whether the connection state is a connected state or an unconnected state, a connection state storage unit that stores the connection state determined by the connection determination unit, and a plurality of connections stored in the connection state storage unit The mobile terminal includes a movement estimation unit that estimates whether or not the mobile terminal is moving based on a connection state between each of the device facilities and each of the connection terminals.
　上記携帯端末の移動推定部は、接続状態記憶部に記憶された複数の機器設備それぞれとの接続状態に基づいて、複数の機器設備のうちの一の機器設備と接続している単独接続時間を算出し、単独接続時間内は、携帯端末は移動していないと推定してもよい。 The movement estimation unit of the mobile terminal is configured to obtain a single connection time for connection with one device facility among the plurality of device facilities based on the connection state with each of the plurality of device facilities stored in the connection state storage unit. It may be calculated and estimated that the mobile terminal is not moving within the single connection time.
　上記携帯端末の移動推定部は、その一の機器設備の接続状態は未接続状態であると接続判定部が判断した後にその一の機器設備の接続状態は接続中状態であると接続判定部が最初に判断した時刻である単独接続開始時刻から、単独接続開始時刻の後にその一の機器設備の接続状態は接続中状態であると接続判定部が最後に判断した時刻である単独接続終了時刻までの時間を、その一の機器設備に係る単独接続時間として算出してもよい。 The movement estimation unit of the mobile terminal determines that the connection determination unit determines that the connection state of the one equipment is in a connected state after the connection determination unit determines that the connection state of the one equipment is in an unconnected state. From the single connection start time that is the first determined time to the single connection end time that is the last time that the connection determination unit determines that the connection state of the one equipment is in the connected state after the single connection start time May be calculated as the single connection time related to the one equipment.
　上記携帯端末の移動推定部は、接続状態記憶部に記憶された複数の機器設備それぞれとの接続状態に基づいて、複数の機器設備のうちの何れかの機器設備と接続している複合接続時間を算出し、複合接続時間内は、携帯端末は移動していないと推定してもよい。 The movement estimation unit of the mobile terminal is connected to any one of the plurality of device facilities based on the connection state with each of the plurality of device facilities stored in the connection state storage unit. And the mobile terminal may be estimated not to move during the complex connection time.
　上記携帯端末の移動推定部は、複数の機器設備の接続状態は何れも未接続状態であると接続判定部が判断した後に複数の機器設備のうち何れかの機器設備の接続状態は接続中状態であると接続判定部が最初に判断した時刻である複合接続開始時刻から、複合接続開始時刻の後に複数の機器設備のうち何れかの機器設備の接続状態は接続中状態であると接続判定部が最後に判断した時刻である複合接続終了時刻までの時間を、複合接続時間として算出してもよい。 The movement estimation unit of the mobile terminal is configured so that the connection state of any of the plurality of device facilities is in the connected state after the connection determination unit determines that the connection states of the plurality of device facilities are all unconnected states From the composite connection start time that is the time when the connection determination unit first determines that the connection determination unit is connected, the connection determination unit determines that the connection state of any of the plurality of device facilities is in the connected state after the composite connection start time. The time until the composite connection end time, which is the last time determined by, may be calculated as the composite connection time.
　上記携帯端末は、携帯端末の位置情報を外部から取得する位置情報取得部を更に備え、移動推定部は、携帯端末は移動していないと推定した場合、位置情報取得部によって最後に取得された位置情報に基づいて携帯端末の静止位置を更に推定してもよい。 The mobile terminal further includes a position information acquisition unit that acquires the position information of the mobile terminal from the outside, and the movement estimation unit is finally acquired by the position information acquisition unit when it is estimated that the mobile terminal is not moving. The stationary position of the mobile terminal may be further estimated based on the position information.
　上記携帯端末は、携帯端末の位置情報を外部から取得する位置情報取得部を更に備え、移動推定部は、位置情報取得部によって位置情報が最後に取得されてから所定の時間を経過したときに、携帯端末は移動しているか否かを推定してもよい。 The portable terminal further includes a position information acquisition unit that acquires the position information of the portable terminal from the outside, and the movement estimation unit is configured to pass a predetermined time since the position information was last acquired by the position information acquisition unit. The mobile terminal may estimate whether or not it is moving.
　本発明の他の一態様による携帯端末は、外部の複数の機器設備それぞれと接続するための複数の接続端子を有し、携帯端末の位置情報を外部から取得する位置情報取得部と、接続端子それぞれを介して複数の機器設備それぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断部と、接続判断部によって判断された複数の機器設備それぞれとの接続状態に基づいて携帯端末は移動しているか否かを推定する移動推定部とを備え、移動推定部は、携帯端末が移動していないと推定したときは、位置情報取得部によって最後に取得された位置情報に基づいて、携帯端末の静止位置を更に推定する。 A portable terminal according to another aspect of the present invention has a plurality of connection terminals for connecting to each of a plurality of external device facilities, a position information acquisition unit for acquiring position information of the mobile terminal from the outside, and a connection terminal The connection determination unit for determining whether the connection state is in the connected state or the unconnected state with each of the plurality of device facilities via each, and the connection state between each of the plurality of device facilities determined by the connection determination unit And a movement estimation unit that estimates whether or not the mobile terminal is moving, and when the movement estimation unit estimates that the mobile terminal is not moving, the position acquired last by the position information acquisition unit Based on the information, the stationary position of the mobile terminal is further estimated.
　上記携帯端末の接続判断部は、位置情報取得部によって位置情報が最後に取得されてから所定の時間を経過したときに、複数の機器設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断してもよい。 The connection determination unit of the mobile terminal is connected to each of the plurality of device facilities in either a connected state or an unconnected state when a predetermined time has elapsed since the position information was last acquired by the position information acquisition unit. You may judge whether it is in a state.
　上記携帯端末は、移動推定部によって携帯端末の静止位置が推定された場合に、その静止位置の位置情報を外部に出力する位置情報出力部を更に備えてもよい。 The portable terminal may further include a position information output unit that outputs position information of the stationary position to the outside when the stationary position of the portable terminal is estimated by the movement estimation unit.
　複数の機器設備は、表示機器および電源設備であってもよく、接続判断部は、表示機器および電源設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断してもよい。 The plurality of equipment may be a display device and a power supply facility, and the connection determination unit may determine whether the display device and the power supply facility are connected or not connected. Good.
　上記携帯端末は、携帯端末の静止位置と携帯端末のユーザの行動情報との関係を記憶する関係情報記憶部と、移動推定部によって携帯端末の静止位置が推定された場合に、その静止位置の位置情報に対応付けて関係情報記憶部に記憶されている行動情報を携帯端末のユーザの行動情報として決定する行動情報決定部とを更に備えてもよい。 When the mobile terminal estimates the stationary position of the portable terminal by the relationship information storage unit that stores the relationship between the stationary position of the portable terminal and the behavior information of the user of the portable terminal, and the movement estimation unit, the portable terminal You may further provide the action information determination part which determines the action information memorize | stored in the relationship information storage part matched with a positional information as action information of the user of a portable terminal.
　本発明の他の一態様による移動判定方法は、外部の複数の機器設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断ステップと、接続判断ステップによって判断された複数の機器設備それぞれとの接続状態に基づいて携帯端末は移動しているか否かを推定する移動推定ステップとを有する。 The movement determination method according to another aspect of the present invention is determined by a connection determination step for determining whether each of a plurality of external equipment is in a connected state or an unconnected state, and a connection determination step. And a movement estimation step for estimating whether or not the mobile terminal is moving based on a connection state with each of the plurality of device facilities.
　本発明の他の一態様によるプログラムは、携帯端末のコンピュータに、外部の複数の機器設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断ステップと、接続判断ステップによって判断された複数の機器設備それぞれとの接続状態に基づいて携帯端末は移動しているか否かを推定する移動推定ステップとを実行させる。 A program according to another aspect of the present invention includes a connection determination step of determining whether a connection state or an unconnected state with each of a plurality of external device facilities is connected to a computer of a mobile terminal; A movement estimation step for estimating whether or not the mobile terminal is moving based on the connection state with each of the plurality of device facilities determined in the determination step is executed.
　本発明によれば、位置もしくは行動を推定する場合、または、位置もしくは行動を推定するための基礎となる携帯端末が移動しているか否かを推定する場合において、コスト（特に初期導入コスト）を低減することができる。携帯端末に元々存在する接続端子を用いて携帯端末が移動しているか否かを判断するため、端末側に特定の通信モジュールやセンサなどのハードウェアを追加する必要がなく、外部に装置を別途設置する必要がないからである。 According to the present invention, when estimating the position or action, or when estimating whether or not the mobile terminal that is the basis for estimating the position or action is moving, the cost (particularly the initial introduction cost) is reduced. Can be reduced. It is not necessary to add hardware such as a specific communication module or sensor on the terminal side to determine whether or not the mobile terminal is moving using the connection terminal that originally exists in the mobile terminal, and an external device is separately provided. It is because it is not necessary to install.
　更に、本発明によれば、位置もしくは行動の推定、または、位置もしくは行動の推定の基礎となる携帯端末が移動しているか否かの推定の精度を高めることができる。接続端子を介して実際に機器又は設備が接続されているか否かを判断するため、所有者の動作に影響されないからである。 Furthermore, according to the present invention, it is possible to improve the accuracy of estimation of position or action, or estimation of whether or not the mobile terminal that is the basis of position or action estimation is moving. This is because it is not affected by the operation of the owner because it is determined whether or not a device or facility is actually connected via the connection terminal.
　更に、本発明によれば、ＧＰＳの電波が届かない場所であっても、位置もしくは行動の推定、または、位置もしくは行動の推定の基礎となる携帯端末が移動しているか否かの推定が可能となる。携帯端末に元々存在する接続端子を用いて携帯端末が移動しているか否かを判断するためである。また、携帯端末にＧＰＳ受信機を備える必要もない。 Furthermore, according to the present invention, it is possible to estimate the position or action or whether the mobile terminal that is the basis of the position or action estimation is moving even in a place where GPS radio waves do not reach. It becomes. This is because it is determined whether or not the mobile terminal is moving using the connection terminal originally present in the mobile terminal. Moreover, it is not necessary to provide a GPS receiver in the portable terminal.
　更に、本発明によれば、特許文献４で開示されている方法における制約である、ノートＰＣに使用する電源ケーブルについて、固定的に定められた電源ケーブルを使わなければならないという制約はなく、何れの電源ケーブルを接続しても正しい推定が可能となる。 Furthermore, according to the present invention, there is no restriction that a fixedly determined power cable must be used for the power cable used in the notebook PC, which is a restriction in the method disclosed in Patent Document 4, Even if the power cable is connected, correct estimation is possible.
本発明の第１の実施形態による携帯端末を示すブロック図である。It is a block diagram which shows the portable terminal by the 1st Embodiment of this invention. 図１に示す接続状態記憶部に記憶される電源接続状態データの一例である。It is an example of the power supply connection status data memorize | stored in the connection status memory | storage part shown in FIG. 図１に示す接続状態記憶部に記憶される電源接続状態データの一例である。It is an example of the power supply connection status data memorize | stored in the connection status memory | storage part shown in FIG. 図１に示す接続状態記憶部に記憶される電源接続状態データの一例である。It is an example of the power supply connection status data memorize | stored in the connection status memory | storage part shown in FIG. 図１に示す電源接続判断部の動作の一例を示すフローチャートである。It is a flowchart which shows an example of operation | movement of the power connection judgment part shown in FIG. 図１に示す移動推定部の動作の一例を示すフローチャートである。It is a flowchart which shows an example of operation | movement of the movement estimation part shown in FIG. 電源設備、表示機器の接続状態を模式的に示す模式図である。It is a schematic diagram which shows typically the connection state of a power supply facility and a display apparatus. 図１に示す移動推定部による推定結果を模式的に示す模式図である。It is a schematic diagram which shows typically the estimation result by the movement estimation part shown in FIG. 本発明の第１の実施形態による携帯端末の他の構成を示すブロック図である。It is a block diagram which shows the other structure of the portable terminal by the 1st Embodiment of this invention. 図７に示す移動推定部による推定結果を模式的に示す模式図である。It is a schematic diagram which shows typically the estimation result by the movement estimation part shown in FIG. 本発明の第２の実施形態による携帯端末を示すブロック図である。It is a block diagram which shows the portable terminal by the 2nd Embodiment of this invention. 図９に示す携帯端末の動作の一例を示すフローチャートである。It is a flowchart which shows an example of operation | movement of the portable terminal shown in FIG. 本発明の第２の実施形態による携帯端末の他の構成を示すブロック図である。It is a block diagram which shows the other structure of the portable terminal by the 2nd Embodiment of this invention.
[第１の実施の形態]
　図１は、本発明の第１の実施形態による携帯端末１０のブロック図である。図２Ａから図２Ｃはそれぞれ、接続状態記憶部１００に記憶される接続状態の一例である。携帯端末１０は、外部の複数の機器および設備（以下、「機器設備」という）のそれぞれと接続するための複数の接続端子を有する。外部の複数の機器設備は、外部の複数の設備、外部の複数の機器、または、少なくとも一つの外部の機器と少なくとも一つの外部の設備のいずれかを含む。携帯端末１０は、例えば、移動局（例えば、携帯電話、ＰＨＳ）、コンピュータ類（例えば、ノートＰＣ、ＰＤＡ）などである。また、携帯端末１０として、携帯ゲーム機、楽曲再生機器、映像再生装置、録音装置、映像記憶装置なども含む。さらに、携帯端末１０として、移動し得るためデスクトップＰＣなども含まれる。携帯端末２０（後述）も携帯端末１０と同様である。 [First embodiment]
FIG. 1 is a block diagram of a portable terminal 10 according to the first embodiment of the present invention. 2A to 2C are examples of connection states stored in the connection state storage unit 100, respectively. The mobile terminal 10 has a plurality of connection terminals for connecting to a plurality of external devices and facilities (hereinafter referred to as “device facilities”). The plurality of external equipment facilities include any of a plurality of external equipments, a plurality of external equipments, or at least one external equipment and at least one external equipment. The mobile terminal 10 is, for example, a mobile station (for example, a mobile phone or PHS), a computer (for example, a notebook PC or PDA), or the like. The portable terminal 10 also includes a portable game machine, a music playback device, a video playback device, a recording device, a video storage device, and the like. Furthermore, since the mobile terminal 10 can move, a desktop PC or the like is also included. The mobile terminal 20 (described later) is the same as the mobile terminal 10.
　携帯端末１０は、図１に示すように、電源用ケーブル接続端子１２、表示機器用ケーブル接続端子１４、接続状態記憶部１００、接続判断部１１０、位置情報取得部１２０、クロック部１３０、移動推定部１４０および位置情報出力部１５０から構成される。接続判定部１１０は、電源接続判断部１１２および表示機器接続判断部１１４から構成される。 As illustrated in FIG. 1, the mobile terminal 10 includes a power cable connection terminal 12, a display device cable connection terminal 14, a connection state storage unit 100, a connection determination unit 110, a position information acquisition unit 120, a clock unit 130, and movement estimation. Unit 140 and position information output unit 150. The connection determination unit 110 includes a power connection determination unit 112 and a display device connection determination unit 114.
　電源用ケーブル接続端子１２は、電源設備と接続するための電源ケーブルを接続する端子である。表示機器用ケーブル接続端子１４は、表示機器と接続するための表示機器用ケーブルを接続する端子である。電源用ケーブル接続端子１２および表示機器用ケーブル接続端子１４は、携帯端末１０のハードウェアとして実装される。 The power cable connection terminal 12 is a terminal for connecting a power cable for connection with power equipment. The display device cable connection terminal 14 is a terminal for connecting a display device cable for connection to the display device. The power cable connection terminal 12 and the display device cable connection terminal 14 are mounted as hardware of the mobile terminal 10.
　電源接続判断部１１２は、電源用ケーブル接続端子１２を介して外部の電源設備（例えば、コンセント）と接続中であるか否かを判断する（すなわち、電源接続判断部１１２は、電源用ケーブル接続端子１２を介して外部の電源設備と接続中状態および未接続状態のどちらの状態であるかを判断する）。表示機器接続判断部１１４は、表示機器用ケーブル接続端子１４を介して外部の表示機器（例えば、別体のディスプレイ、プロジェクタ）と接続中状態および未接続状態のどちらの状態であるかを判断する。電源接続判断部１１２は、必要に応じて（具体的には接続状態が変化した場合）、接続状態記憶部１００に接続状態を記憶（保存）するが、この動作については後述する。 The power connection determination unit 112 determines whether or not it is connected to an external power supply facility (for example, an outlet) via the power cable connection terminal 12 (that is, the power connection determination unit 112 connects the power cable. It is determined whether it is in a connected state or an unconnected state with an external power supply facility via the terminal 12). The display device connection determination unit 114 determines whether it is in a connected state or an unconnected state with an external display device (for example, a separate display or projector) via the display device cable connection terminal 14. . The power connection determination unit 112 stores (saves) the connection state in the connection state storage unit 100 as necessary (specifically, when the connection state changes), and this operation will be described later.
　接続状態記憶部１００は、接続判定部１１０（電源接続判断部１１２、表示機器接続判断部１１４）によって判断された接続状態を記憶する。具体的には、接続状態記憶部１００は、図２Ａに示すように、外部の機器設備を識別する機器設備ＩＤに対応付けて、接続状態情報および時刻情報の組（レコード）を記憶する。 The connection state storage unit 100 stores the connection state determined by the connection determination unit 110 (power connection determination unit 112, display device connection determination unit 114). Specifically, as shown in FIG. 2A, the connection state storage unit 100 stores a set (record) of connection state information and time information in association with an equipment ID that identifies an external equipment.
　例えば、図２Ｂに示す例において、接続状態記憶部１００は、機器設備ＩＤ「０１（電源設備）」に対応付けて、接続状態情報「ＯＮ（接続中状態）」および時刻情報「２００８／５／１９　１８：１５：３２」の組、接続状態情報「ＯＦＦ（未接続状態）」および時刻情報「２００８／５／１９　１８：３２：０５」の組などを記憶している。また、図２Ｃに示す例において、接続状態記憶部１００は、機器設備ＩＤ「０２（表示機器）」に対応付けて、接続状態情報「ＯＮ」および時刻情報「２００８／５／１９　１８：３０：１５」の組、接続状態情報「ＯＦＦ」および時刻情報「２００８／５／１９　１９：０５：０９」の組などを記憶している。接続状態情報「ＯＮ」および時刻情報「Ｘ」の組は、時刻「Ｘ」に未接続状態から接続中状態へと接続状態が変化した旨を意味する。接続状態情報「ＯＦＦ」および時刻情報「Ｙ」の組は、時刻「Ｙ」に接続中状態から未接続状態へと接続状態が変化した旨を意味する。電源接続判断部１１２が接続状態（に関する情報）を接続状態記憶部１００に記憶（保存）する動作については後述する。 For example, in the example illustrated in FIG. 2B, the connection state storage unit 100 associates the device state ID “01 (power supply facility)” with the connection state information “ON (connected state)” and the time information “2008/5 / 19: 18:15:32 ”, connection status information“ OFF (unconnected status) ”, and time information“ 2008/5/19 18:32:05 ”are stored. In the example illustrated in FIG. 2C, the connection state storage unit 100 associates the device state ID “02 (display device)” with the connection state information “ON” and the time information “2008/5/19 18:30: 15 ”, connection state information“ OFF ”, and time information“ 2008/5/19 19:05:09 ”are stored. The set of connection state information “ON” and time information “X” means that the connection state has changed from the unconnected state to the connected state at time “X”. The set of connection state information “OFF” and time information “Y” means that the connection state has changed from the connected state to the unconnected state at time “Y”. The operation in which the power connection determination unit 112 stores (saves) the connection state (information regarding the connection state) in the connection state storage unit 100 will be described later.
　位置情報取得部１２０は、自端末（携帯端末１０）の位置情報を外部から取得する。位置情報取得部１２０が位置情報を取得する方法は、無線ＬＡＮ、Ｂｌｕｅｔｏｏｔｈなどの外部システムとネットワークを介して位置情報を取得する方法、携帯端末１０が備える入力手段を介して端末ユーザの入力によって位置情報を取得する方法などである。位置情報とは、緯度経度情報、住所情報（例えば、Ａ県Ｂ市Ｃ町Ｄ番地）、施設情報（例えば、Ｅ社ＦビルＧ応接室）などを包含する。位置情報取得部１２０は位置情報の取得時刻に対応付けて位置情報を記憶する。クロック部１３０は、水晶発振器などの発振器を備え、発振器から発信されるシグナルから現在時刻を算出する。 The location information acquisition unit 120 acquires location information of the own terminal (mobile terminal 10) from the outside. The position information acquisition unit 120 acquires position information by a method of acquiring position information via an external system such as a wireless LAN or Bluetooth and a network, or by a terminal user input via an input unit included in the mobile terminal 10. It is a method of acquiring information. The position information includes latitude / longitude information, address information (for example, address A, B city, C town D), facility information (for example, E company F building G reception room) and the like. The position information acquisition unit 120 stores the position information in association with the acquisition time of the position information. The clock unit 130 includes an oscillator such as a crystal oscillator, and calculates the current time from a signal transmitted from the oscillator.
　移動推定部１４０は、接続状態記憶部１００に記憶された表示機器又は電源設備との接続状態に基づいて、自端末（携帯端末１０）の位置の移動の有無を推定する（すなわち、移動推定部１４０は、接続状態記憶部１００に記憶された表示機器又は電源設備との接続状態に基づいて、自端末（携帯端末１０）の位置が移動しているか否かを推定する）。 The movement estimation unit 140 estimates the presence / absence of movement of the position of the terminal (mobile terminal 10) based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100 (that is, the movement estimation unit). 140 estimates whether the position of the own terminal (mobile terminal 10) is moving based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100).
　例えば、移動推定部１４０は、接続状態記憶部１００に記憶された表示機器又は電源設備との接続状態に基づいて、表示機器又は電源設備のうちの一の機器設備と接続している時間（以下、「単独接続時間」という）を算出する。移動推定部１４０は、この単独接続時間内には、自端末（携帯端末１０）は移動していないと推定する。
ある機器設備の接続状態は未接続状態であると接続判定部１１０が判断した後にその機器設備の接続状態は接続中状態であると接続判定部１１０が最初に判断した時刻を、以下において「単独接続開始時刻」と称する。また、この単独接続開始時刻の後にその機器設備の接続状態は接続中状態であると接続判定部１１０が最後に判断した時刻を、以下において「単独接続終了時刻」と称する。移動推定部１４０は、単独接続開始時刻から、単独接続終了時刻までの時間を、機器設備に係る単独接続時間として算出してもよい。 For example, the movement estimation unit 140 is connected to one device facility of the display device or the power supply facility based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100 (hereinafter referred to as “the device equipment”). , Referred to as “single connection time”). The movement estimation unit 140 estimates that the own terminal (mobile terminal 10) is not moving within the single connection time.
The time when the connection determination unit 110 first determines that the connection state of the equipment is the connected state after the connection determination unit 110 determines that the connection state of the equipment is the unconnected state is referred to as “single This is referred to as “connection start time”. In addition, the time when the connection determination unit 110 finally determines that the connection state of the equipment is the connected state after the single connection start time is hereinafter referred to as “single connection end time”. The movement estimation unit 140 may calculate the time from the single connection start time to the single connection end time as the single connection time for the equipment.
　表示機器又は電源設備のうちの何れかの機器設備と接続している時間を、以下において「複合接続時間」と称する。移動推定部１４０は、接続状態記憶部１００に記憶された表示機器又は電源設備との接続状態に基づいて、複合接続時間を算出し、この複合接続時間内は、自端末（携帯端末１０）は移動していないと推定してもよい。
表示機器および電源設備の接続状態は何れも未接続状態であると接続判定部１１０が判断した後に表示機器又は電源設備の何れかの接続状態は接続中状態であると接続判定部１１０が最初に判断した時刻を、以下において「複合接続開始時刻」と称する。複合接続開始時刻の後に表示機器および電源設備の何れかの接続状態は接続中状態であると接続判定部１１０が最後に判断した時刻を、以下において「複合接続終了時刻」と称する。移動推定部１４０は、複合接続開始時刻から、複合接続終了時刻までの時間を、複合接続時間として算出してもよい。 Hereinafter, the time of connection with any of the display equipment and the power supply equipment is referred to as “composite connection time”. The movement estimation unit 140 calculates a composite connection time based on the connection state with the display device or the power supply facility stored in the connection state storage unit 100, and within this composite connection time, the own terminal (mobile terminal 10) It may be estimated that it has not moved.
After the connection determination unit 110 determines that the connection state of the display device and the power supply facility is not connected, the connection determination unit 110 first determines that the connection state of either the display device or the power supply device is in the connected state. The determined time is hereinafter referred to as “composite connection start time”. The time when the connection determination unit 110 finally determines that the connection state of either the display device or the power supply facility is in the connected state after the composite connection start time is hereinafter referred to as “composite connection end time”. The movement estimation unit 140 may calculate the time from the complex connection start time to the complex connection end time as the complex connection time.
　移動推定部１４０は、位置情報取得部１２０によって位置情報が最後に取得されてから所定の時間を経過したときに、自端末（携帯端末１０）が移動しているか否かを推定してもよい。 The movement estimation unit 140 may estimate whether or not the own terminal (mobile terminal 10) is moving when a predetermined time has elapsed since the position information acquisition unit 120 last acquired the position information. .
　移動推定部１４０は、自端末（携帯端末１０）は移動していないと推定した場合、位置情報取得部１２０によって最後に取得された位置情報に基づいて自端末（携帯端末１０）の静止位置を更に推定してもよい。 When the movement estimation unit 140 estimates that the terminal (mobile terminal 10) is not moving, the movement estimation unit 140 determines the stationary position of the terminal (mobile terminal 10) based on the position information acquired last by the position information acquisition unit 120. Further estimation may be performed.
　位置情報出力部１５０は、移動推定部１４０によって自端末（携帯端末１０）の静止位置が推定された場合に、その静止位置の位置情報を外部に出力する。 When the movement estimation unit 140 estimates the stationary position of its own terminal (mobile terminal 10), the positional information output unit 150 outputs the positional information of the stationary position to the outside.
　接続判断部１１０、位置情報取得部１２０、クロック部１３０、移動推定部１４０および位置情報出力部１５０の処理に係るプログラムは、携帯端末１０内のメモリ（図示せず）に記憶されている。メモリ内の各プログラムは、実行時に、呼び出され各処理を実行する。 Programs relating to processing of the connection determination unit 110, the position information acquisition unit 120, the clock unit 130, the movement estimation unit 140, and the position information output unit 150 are stored in a memory (not shown) in the portable terminal 10. Each program in the memory is called and executes each process at the time of execution.
　図３は、電源接続判断部１１２の動作の一例を示すフローチャートである。図３に示すフローチャートは、定期的（例えば、１秒間隔）に実行される。本フローチャートの最初の実行時において、接続状態記憶部１００には、何も記憶されていないとする。 FIG. 3 is a flowchart showing an example of the operation of the power connection determination unit 112. The flowchart shown in FIG. 3 is executed periodically (for example, at intervals of 1 second). Assume that nothing is stored in the connection state storage unit 100 at the first execution of this flowchart.
　電源接続判断部１１２は、電源用ケーブル接続端子１２を介して電源設備と接続中状態および未接続状態のどちらの状態であるかを判断する（ステップＳ１００）。 The power supply connection determination unit 112 determines whether the power supply equipment is connected or not connected to the power supply equipment 12 via the power cable connection terminal 12 (step S100).
　電源接続判断部１１２は、接続中状態でないと判断した場合（ステップＳ１００：Ｎｏ）、更に、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを判断する（ステップＳ１１２）。具体的には、電源接続判断部１１２は、電源設備に係る最新の時刻情報に対応する接続状態情報が接続状態情報「ＯＮ（接続中状態）」であるか否かを判断する。つまり、電源接続判断部１１２は、最新の時刻情報に対応する接続状態情報が接続状態情報「ＯＮ（接続中状態）」である場合に、最新の時刻は単独接続開始時刻であると判断する。一方、電源接続判断部１１２は、最新の時刻情報に対応する接続状態情報が接続状態情報「ＯＦＦ（未接続状態）」である場合（最新の時刻は単独接続終了時刻である場合）、又は、接続状態記憶部１００に時刻情報が記憶されていない場合には、最新の時刻は単独接続開始時刻でないと判断する。 When the power connection determination unit 112 determines that the connection state is not established (step S100: No), the power connection determination unit 112 further determines whether or not the latest time stored in the connection state storage unit 100 is a single connection start time. (Step S112). Specifically, the power connection determination unit 112 determines whether or not the connection state information corresponding to the latest time information related to the power supply facility is the connection state information “ON (connected state)”. That is, the power connection determination unit 112 determines that the latest time is the single connection start time when the connection state information corresponding to the latest time information is the connection state information “ON (connected state)”. On the other hand, the power connection determination unit 112, when the connection state information corresponding to the latest time information is connection state information “OFF (unconnected state)” (when the latest time is a single connection end time), or When the time information is not stored in the connection state storage unit 100, it is determined that the latest time is not the single connection start time.
　電源接続判断部１１２は、接続中状態でないと判断した後に（ステップＳ１００：Ｎｏ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻でないと判断した場合（ステップＳ１１２：Ｎｏ）、即ち、未接続状態のまま変化していないと判断した場合、ステップＳ１３０の処理を行う。すなわち、電源接続判断部１１２は、ステップＳ１２２を飛ばして、クロック部１３０から時刻情報（現在時刻）を取得し、取得した時刻情報によって基準時刻を更新する（ステップＳ１３０）。そして、本フローチャートは終了する。 After determining that the power connection determination unit 112 is not in the connected state (step S100: No), when determining that the latest time stored in the connection state storage unit 100 is not the single connection start time (step S112: No) ), That is, if it is determined that the connection remains unchanged, the process of step S130 is performed. That is, the power connection determination unit 112 skips step S122, acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
　一方、電源接続判断部１１２は、接続中状態であると判断した場合（ステップＳ１００：Ｙｅｓ）、更に、ステップＳ１１２と同様、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを判断する（ステップＳ１１０）。 On the other hand, when the power connection determination unit 112 determines that it is in the connected state (step S100: Yes), the latest time stored in the connection state storage unit 100 is the single connection start time as in step S112. It is determined whether or not (step S110).
　電源接続判断部１１２は、接続中状態であると判断した後に（ステップＳ１００：Ｙｅｓ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻でないと判断した場合（ステップＳ１１０：Ｎｏ）、即ち、未接続状態から接続中状態へと接続状態が変化したと判断した場合、電源接続判断部１１２は、ステップＳ１２０の処理を行う。すなわち、電源接続判断部１１２は、機器設備ＩＤ「０１（電源設備）」に対応付けて、接続状態情報「ＯＮ（接続中状態）」および単独接続開始時刻（前回のステップＳ１３０にて更新した基準時刻）の組（レコード）を接続状態記憶部１００に記憶する（ステップＳ１２０）。ステップ１２０に続いて、電源接続判断部１１２は、クロック部１３０から時刻情報（現在時刻）を取得し、取得した時刻情報によって基準時刻を更新する（ステップＳ１３０）。そして、本フローチャートは終了する。 After determining that the power connection determination unit 112 is in the connected state (step S100: Yes), when determining that the latest time stored in the connection state storage unit 100 is not the single connection start time (step S110: No), that is, when it is determined that the connection state has changed from the unconnected state to the connected state, the power connection determination unit 112 performs the process of step S120. That is, the power connection determination unit 112 associates with the equipment facility ID “01 (power facility)”, the connection state information “ON (connected state)” and the single connection start time (the reference updated in the previous step S130). A set (record) of (time) is stored in the connection state storage unit 100 (step S120). Following step 120, the power connection determination unit 112 acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
　電源接続判断部１１２は、接続中状態であると判断した後に（ステップＳ１００：Ｙｅｓ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であると判断した場合（ステップＳ１１０：Ｙｅｓ）、即ち、接続中状態のまま変化していないと判断した場合、電源接続判断部１１２は、ステップＳ１３０の処理を行う。すなわち、電源接続判断部１１２は、ステップＳ１２０を飛ばして、クロック部１３０から時刻情報（現在時刻）を取得し、取得した時刻情報によって基準時刻を更新する（ステップＳ１３０）。そして、本フローチャートは終了する。 After determining that the power connection determination unit 112 is in the connected state (step S100: Yes), when determining that the latest time stored in the connection state storage unit 100 is the single connection start time (step S110). : Yes), that is, when it is determined that the connection state remains unchanged, the power connection determination unit 112 performs the process of step S130. That is, the power connection determination unit 112 skips step S120, acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
　電源接続判断部１１２は、接続中状態でないと判断した後に（ステップＳ１００：Ｎｏ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であると判断した場合（ステップＳ１１２：Ｙｅｓ）、即ち、接続中状態から未接続状態へと接続状態が変化したと判断した場合、電源接続判断部１１２は、ステップＳ１２２の処理を行う。すなわち、電源接続判断部１１２は、機器設備ＩＤ「０１（電源設備）」に対応付けて、接続状態情報「ＯＦＦ（未接続状態）」および単独接続終了時刻（前回のステップＳ１３０にて更新した基準時刻）の組（レコード）を接続状態記憶部１００に記憶する（ステップＳ１２２）。ステップ１２２に続いて、電源接続判断部１１２は、クロック部１３０から時刻情報（現在時刻）を取得し、取得した時刻情報によって基準時刻を更新する（ステップＳ１３０）。そして、本フローチャートは終了する。 After determining that the power connection determination unit 112 is not in the connected state (step S100: No), when determining that the latest time stored in the connection state storage unit 100 is the single connection start time (step S112: Yes), that is, when it is determined that the connection state has changed from the connected state to the unconnected state, the power connection determination unit 112 performs the process of step S122. That is, the power connection determination unit 112 associates with the equipment facility ID “01 (power facility)”, the connection state information “OFF (unconnected state)” and the single connection end time (the reference updated in the previous step S130). A set (record) of (time) is stored in the connection state storage unit 100 (step S122). Following step 122, the power connection determination unit 112 acquires time information (current time) from the clock unit 130, and updates the reference time with the acquired time information (step S130). Then, this flowchart ends.
　上記フローチャートでは、電源接続判断部１１２は、接続中状態でないと判断した場合（ステップＳ１００：Ｎｏ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを直ちに判断している（ステップＳ１１２）。これに代えて、電源接続判断部１１２は、接続中状態でないと判断した場合（ステップＳ１００：Ｎｏ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを直ちに判断することなく、さらに一定時間待機後に接続中状態でないと再度判断した場合に（ステップＳ１００：Ｎｏ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを判断してもよい（ステップＳ１１２）。また、電源接続判断部１１２は、接続中状態であると判断した場合（ステップＳ１００：Ｙｅｓ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを直ちに判断している（ステップＳ１１０）。同様に、これに代えて、電源接続判断部１１２は、接続中状態であると判断した場合（ステップＳ１００：Ｙｅｓ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを直ちに判断することなく、さらに一定時間待機後に接続中状態であると再度判断した場合に（ステップＳ１００：Ｙｅｓ）、接続状態記憶部１００に記憶されている最新の時刻は単独接続開始時刻であるか否かを判断してもよい（ステップＳ１１０）。これにより、一時的な接続状況の変化（例えば、一時的なケーブルの抜き差し）による推定の精度の低下を防止することができる。 In the flowchart, when the power connection determination unit 112 determines that the connection state is not established (step S100: No), it is determined whether or not the latest time stored in the connection state storage unit 100 is the single connection start time. A determination is made immediately (step S112). Instead, when the power connection determination unit 112 determines that the connection state is not established (step S100: No), whether or not the latest time stored in the connection state storage unit 100 is the single connection start time. If it is determined again that it is not in the connected state after waiting for a certain time without immediately determining (step S100: No), is the latest time stored in the connection state storage unit 100 the single connection start time? It may be determined whether or not (step S112). If the power connection determination unit 112 determines that the connection is being established (step S100: Yes), it immediately determines whether or not the latest time stored in the connection state storage unit 100 is the single connection start time. Judgment is made (step S110). Similarly, instead of this, when the power connection determination unit 112 determines that the connection state is established (step S100: Yes), the latest time stored in the connection state storage unit 100 is the single connection start time. If it is determined again that it is in a connected state after waiting for a predetermined time without immediately determining whether or not there is (Yes in step S100), the latest time stored in the connection state storage unit 100 is a single connection. It may be determined whether or not it is a start time (step S110). As a result, it is possible to prevent a decrease in estimation accuracy due to a temporary change in connection status (for example, temporary cable insertion / extraction).
　電源接続判断部１１２は、図３のフローチャートを定期的に実行すると説明したが、定期的な実行の開始タイミング、および、定期的な実行の終了タイミングについては、特に制限はない。例えば、携帯端末１０の起動からシャットダウンまでの間、図３のフローチャートを定期的に実行してもよい。 The power connection determination unit 112 has been described as periodically executing the flowchart of FIG. 3, but there is no particular limitation on the start timing of regular execution and the end timing of periodic execution. For example, the flowchart of FIG. 3 may be periodically executed from the start-up to the shutdown of the mobile terminal 10.
　図３のフローチャートは電源接続判断部１１２の動作であったが、表示機器接続判断部１１４の動作も同様である。 3 is the operation of the power connection determination unit 112, the operation of the display device connection determination unit 114 is the same.
　図４は、移動推定部１４０の動作の一例を示すフローチャートである。図５は、電源設備、表示機器の接続状態を模式的に示す模式図である。図６は、移動推定部１４０による推定結果を模式的に示す模式図である。図４に示すフローチャートは、接続状態記憶部１００に記憶された表示機器又は電源設備との接続状態に基づいて、表示機器又は電源設備のうちの何れかの機器設備との接続をしている複合接続時間を判断し、複合接続時間内は、自端末（携帯端末１０）は移動していないと推定する例である。 FIG. 4 is a flowchart showing an example of the operation of the movement estimation unit 140. FIG. 5 is a schematic diagram schematically showing a connection state of the power supply facility and the display device. FIG. 6 is a schematic diagram schematically showing an estimation result by the movement estimation unit 140. The flowchart shown in FIG. 4 is a composite that is connected to any one of the display equipment or the power supply equipment based on the connection state with the display equipment or the power supply equipment stored in the connection state storage unit 100. This is an example in which the connection time is determined and it is estimated that the own terminal (mobile terminal 10) is not moving within the complex connection time.
　移動推定部１４０は、接続状態記憶部１００に記憶される接続状態情報を読み込む（ステップＳ２００）。 The movement estimation unit 140 reads connection state information stored in the connection state storage unit 100 (step S200).
　移動推定部１４０は、接続状態記憶部１００に記憶された電源設備の接続状態に基づいて、電源設備に係る単独接続時間を算出する（ステップＳ２１０）。具体的には、移動推定部１４０は、接続状態記憶部１００を参照し、電源設備に係る単独接続開始時刻から単独接続終了時刻までの時間を電源設備に係る単独接続時間として算出する。例えば、接続状態記憶部１００に図２Ｂに示す電源設備に係る接続状態情報が記憶されている場合には、図５に示す電源設備に係る単独接続時間「Ａ１」「Ａ２」を算出する。 The movement estimation unit 140 calculates a single connection time related to the power supply facility based on the connection state of the power supply facility stored in the connection state storage unit 100 (step S210). Specifically, the movement estimation unit 140 refers to the connection state storage unit 100 and calculates the time from the single connection start time related to the power supply facility to the single connection end time as the single connection time related to the power supply facility. For example, when the connection state information related to the power supply facility shown in FIG. 2B is stored in the connection state storage unit 100, the single connection times “A1” and “A2” related to the power supply facility shown in FIG. 5 are calculated.
　移動推定部１４０は、接続状態記憶部１００に記憶された表示機器の接続状態に基づいて、表示機器に係る単独接続時間を算出する（ステップＳ２２０）。具体的には、移動推定部１４０は、接続状態記憶部１００を参照し、表示機器に係る単独接続開始時刻から単独接続終了時刻までの時間を表示機器に係る単独接続時間として算出する。例えば、接続状態記憶部１００に図２Ｃに示す表示機器に係る接続状態情報が記憶されている場合には、図５に示す電源設備に係る単独接続時間「Ｂ」を算出する。 The movement estimation unit 140 calculates the single connection time related to the display device based on the connection state of the display device stored in the connection state storage unit 100 (step S220). Specifically, the movement estimation unit 140 refers to the connection state storage unit 100 and calculates the time from the single connection start time related to the display device to the single connection end time as the single connection time related to the display device. For example, when the connection state information relating to the display device illustrated in FIG. 2C is stored in the connection state storage unit 100, the single connection time “B” relating to the power supply facility illustrated in FIG. 5 is calculated.
　移動推定部１４０は、ステップＳ２１０にて算出した電源設備に係る単独接続時間、および、ステップＳ２２０にて算出した表示機器に係る単独接続時間に基づいて、複合接続時間を算出する（ステップＳ２３０）。具体的には、表示機器に係る単独接続時間または電源設備に係る単独接続時間の少なくとも一方に含まれる時間を複合接続時間として算出する。例えば、接続状態記憶部１００に、図２Ｂに示す電源設備に係る接続状態情報、および、図２Ｃに示す表示機器に係る接続状態情報が記憶されている場合には、図５に示す複合接続時間「Ｃ」を算出する。 The movement estimation unit 140 calculates the composite connection time based on the single connection time related to the power supply facility calculated in step S210 and the single connection time related to the display device calculated in step S220 (step S230). Specifically, the time included in at least one of the single connection time for the display device or the single connection time for the power supply facility is calculated as the composite connection time. For example, when the connection state information relating to the power supply facility shown in FIG. 2B and the connection state information relating to the display device shown in FIG. 2C are stored in the connection state storage unit 100, the composite connection time shown in FIG. “C” is calculated.
　例えば、以下のように複合接続時間「Ｃ」を算出してもよい。単独接続時間「Ａ１」の最小値（単独接続開始時刻）をＡ１ｘ、最大値（単独接続終了時刻）をＡ１ｙで表し、単独接続時間「Ａ２」の最小値をＡ２ｘ、最大値をＡ２ｙとし、単独接続時間「Ｂ」の最小値をＢｘ、最大値をＢｙで表する。この場合に、まず、ＢｘとＡ１ｙとを比較しＢｘ≦Ａ１ｙが成立するときは、複合接続時間「Ｃ」にＡ１ｘからＢｙまでの時間が含まれると判断する。次に、Ａ２ｘとＢｙとを比較しＡ２ｘ≦Ｂｙが成立するときは、複合接続時間「Ｃ」にＡ１ｘからＡ２ｙまでの時間が含まれると判断する。以上により、複合接続時間「Ｃ」を算出する。 For example, the composite connection time “C” may be calculated as follows. The minimum value (single connection start time) of the single connection time “A1” is represented by A1x, the maximum value (single connection end time) is represented by A1y, the minimum value of the single connection time “A2” is A2x, and the maximum value is A2y. The minimum value of the connection time “B” is represented by Bx, and the maximum value is represented by By. In this case, first, Bx is compared with A1y, and when Bx ≦ A1y is established, it is determined that the time from A1x to By is included in the composite connection time “C”. Next, when A2x and By are compared and A2x ≦ By is satisfied, it is determined that the time from A1x to A2y is included in the composite connection time “C”. Thus, the composite connection time “C” is calculated.
　また、例えば、以下のように複合接続時間「Ｃ」を算出してもよい。時刻毎（秒単位）の接続状態を入力値（未接続状態：０、接続中状態：１）とする。この場合において、単独接続時間「Ａ１」の入力値、単独接続時間「Ａ２」の入力値、および、単独接続時間「Ｂ」の入力値の論理和（ＯＲ）から得る出力値（未接続状態：０、接続中状態：１）を、複合接続時間「Ｃ」の接続状態として算出する。 Further, for example, the composite connection time “C” may be calculated as follows. The connection state at each time (in seconds) is set as an input value (unconnected state: 0, connected state: 1). In this case, an output value obtained from the logical sum (OR) of the input value of the single connection time “A1”, the input value of the single connection time “A2”, and the input value of the single connection time “B” (unconnected state: 0, connection state: 1) is calculated as the connection state of the composite connection time “C”.
　例えば、以下のように複合接続時間「Ｃ」を算出してもよい。単独接続時間「Ａ１」、「Ａ２」、「Ｂ」を、接続中状態である時刻（秒単位）を要素とする集合Ａ１、Ａ２、Ｂとする。この場合において、集合Ｃを集合Ａ１、集合Ａ２、集合Ｂの和集合（Ｃ＝Ａ１∪Ａ２∪Ｂ）によって得ることによって、複合接続時間「Ｃ」を算出する。 For example, the composite connection time “C” may be calculated as follows. The single connection times “A1”, “A2”, and “B” are the sets A1, A2, and B whose elements are the time (seconds) in the connected state. In this case, the composite connection time “C” is calculated by obtaining the set C by the union of the set A1, the set A2, and the set B (C = A1∪A2∪B).
　移動推定部１４０は、ステップＳ２３０にて算出した複合接続時間内は、自端末（携帯端末１０）は移動していないと推定する。そして、本フローチャートは終了する。 The movement estimation unit 140 estimates that the own terminal (mobile terminal 10) is not moving within the complex connection time calculated in step S230. Then, this flowchart ends.
　即ち、図１に示す携帯端末１０は、図６に示すように、自端末（携帯端末１０）の現在および過去の静止時間（帯）Ｒｔを推定する。更に、図１に示す携帯端末１０は、位置情報を用いて、各静止時間（帯）Ｒｔに対応する静止位置Ｒｐも推定する。 That is, as shown in FIG. 6, the mobile terminal 10 shown in FIG. 1 estimates the current and past stationary time (band) R t of the terminal (mobile terminal 10). Furthermore, the portable terminal 10 shown in FIG. 1 also estimates a stationary position R p corresponding to each stationary time (band) R t using the positional information.
　以上、第１の実施形態による携帯端末１０によれば、位置を推定する場合、または、位置を推定するための基礎となる携帯端末１０が移動しているか否かを推定する場合において、コストを低減することができる。また、携帯端末１０によれば、位置の推定、または、位置の推定の基礎となる携帯端末１０が移動しているか否かの推定の精度を高めることができる。また、携帯端末１０によれば、ＧＰＳの電波が届かない場所であっても、位置の推定、または、位置の推定の基礎となる携帯端末１０が移動しているか否かの推定が可能となる。また、携帯端末１０にＧＰＳ受信機を備える必要もない。また、携帯端末１０によれば、何れの電源ケーブルを接続しても正しい推定が可能となる。 As described above, according to the mobile terminal 10 according to the first embodiment, when estimating the position, or when estimating whether or not the mobile terminal 10 serving as a basis for estimating the position is moving, the cost is reduced. Can be reduced. Further, according to the mobile terminal 10, it is possible to improve the accuracy of position estimation or estimation of whether or not the mobile terminal 10 that is the basis of position estimation is moving. Further, according to the mobile terminal 10, it is possible to estimate the position or whether the mobile terminal 10 that is the basis of the position movement is moving even in a place where GPS radio waves do not reach. . Further, it is not necessary to provide the mobile terminal 10 with a GPS receiver. Moreover, according to the portable terminal 10, even if any power cable is connected, correct estimation is possible.
　携帯端末１０は、端末ユーザの行動情報を出力するための構成を更に備えていてもよい。図７は、携帯端末１０の他の構成によるブロック図である。図８は、移動推定部１４０による推定結果を模式的に示す模式図である。携帯端末１０は、図７に示すように、図１に示す構成に加え、関係情報記憶部１０２、行動情報記憶部１０４、行動情報決定部１６０を更に備えていてもよい。 The mobile terminal 10 may further include a configuration for outputting terminal user behavior information. FIG. 7 is a block diagram of another configuration of the mobile terminal 10. FIG. 8 is a schematic diagram schematically showing an estimation result by the movement estimation unit 140. As illustrated in FIG. 7, the mobile terminal 10 may further include a relationship information storage unit 102, a behavior information storage unit 104, and a behavior information determination unit 160 in addition to the configuration illustrated in FIG. 1.
　関係情報記憶部１０２は、携帯端末１０の静止位置Ｒｐと端末ユーザの行動情報Ｉとの関係を記憶する。例えば、関係情報記憶部１０２には、静止位置Ｒｐ：「会議室」と行動情報Ｉ：「会議中」とが対応付けて記憶されている。行動情報決定部１６０は、移動推定部１４０によって自端末（携帯端末１０）の静止位置Ｒｐが推定された場合に、この静止位置Ｒｐの位置情報に対応付けて関係情報記憶部１０２に記憶されている行動情報Ｉを自端末（携帯端末１０）の端末ユーザの行動情報Ｉとして決定する。行動情報記憶部１０４は、行動情報決定部１６０によって決定された行動情報Ｉを記憶する。なお、位置情報出力部１５０は、行動情報記憶部１０４に記憶された行動情報Ｉを外部に出力する。 Relationship information storage unit 102 stores the relationship between the rest position R p and the terminal user's behavior information I of the portable terminal 10. For example, the relationship information storage unit 102 stores a stationary position R p : “conference room” and behavior information I: “meeting” in association with each other. Action information determination unit 160, when the rest position R p of the own terminal (the mobile terminal 10) is estimated by the motion estimation unit 140, stored in the related information storage unit 102 in association with the position information of the rest position R p The action information I being determined is determined as the action information I of the terminal user of the own terminal (mobile terminal 10). The behavior information storage unit 104 stores the behavior information I determined by the behavior information determination unit 160. The position information output unit 150 outputs the behavior information I stored in the behavior information storage unit 104 to the outside.
　即ち、図７に示す携帯端末１０は、図８に示すように、自端末（携帯端末１０）の現在および過去の静止時間（帯）Ｒｔ、各静止時間（帯）Ｒｔに対応する静止位置Ｒｐに加え、各静止時間（帯）Ｒｔに対応する端末ユーザの行動(行動情報)Ｉも推定する。 That is, as shown in FIG. 8, the mobile terminal 10 shown in FIG. 7 has the current and past stationary time (band) R t of the terminal (mobile terminal 10) and the stationary time corresponding to each stationary time (band) R t. In addition to the position R p , the terminal user's behavior (behavior information) I corresponding to each stationary time (band) R t is also estimated.
［第２の実施の形態］
　図９は、本発明の第２の実施形態による携帯端末２０のブロック図である。携帯端末２０は、図９に示すように、電源用ケーブル接続端子２２、表示機器用ケーブル接続端子２４、接続判断部２１０、位置情報取得部２２０、移動推定部２４０および位置情報出力部２５０から構成される。接続判定部２１０は、電源接続判断部２１２および表示機器接続判断部２１４から構成される。各構成要素（機能）は、以下に説明する点を除き、図１に示す携帯端末１０の備える各構成要素と同様であるため差異点のみを説明する。 [Second Embodiment]
FIG. 9 is a block diagram of the portable terminal 20 according to the second embodiment of the present invention. As shown in FIG. 9, the mobile terminal 20 includes a power cable connection terminal 22, a display device cable connection terminal 24, a connection determination unit 210, a position information acquisition unit 220, a movement estimation unit 240, and a position information output unit 250. Is done. The connection determination unit 210 includes a power connection determination unit 212 and a display device connection determination unit 214. Each component (function) is the same as each component included in the mobile terminal 10 shown in FIG. 1 except for the points described below, so only the differences will be described.
　電源接続判断部２１２は、携帯端末１０の備える電源接続判断部１１２と同様、電源用ケーブル接続端子２２を介して外部の電源設備と接続中状態および未接続状態のどちらの状態であるかを判断する。表示機器接続判断部２１４は、携帯端末１０の備える表示機器接続判断部１１４と同様、表示機器用ケーブル接続端子２４を介して外部の表示機器と接続中状態および未接続状態のどちらの状態であるかを判断する。接続判断部２１０（電源接続判断部２１２、表示機器接続判断部２１４）は、位置情報取得部２２０によって位置情報が最後に取得されてから所定の時間を経過したときに、接続中状態および未接続状態のどちらの状態であるかを判断してもよい。位置情報を取得してから所定の時間内は、位置情報の取得位置の近傍に位置する可能性が高いからである。換言すれば、位置情報を取得してから所定の時間を経過した後における、携帯端末２０が移動しているか否かに関する情報について管理したいからである。 The power connection determination unit 212 determines whether it is in a connected state or an unconnected state with an external power source facility via the power cable connection terminal 22, similarly to the power connection determination unit 112 included in the mobile terminal 10. To do. Similar to the display device connection determination unit 114 provided in the mobile terminal 10, the display device connection determination unit 214 is in a state of being connected or not connected to an external display device via the display device cable connection terminal 24. Determine whether. The connection determination unit 210 (power connection determination unit 212, display device connection determination unit 214) is in a connected state and unconnected when a predetermined time has elapsed since the position information acquisition unit 220 last acquired the position information. It may be determined which of the states. This is because it is highly likely that the position information is located in the vicinity of the position information acquisition position within a predetermined time after the position information is acquired. In other words, it is because it is desired to manage information regarding whether or not the mobile terminal 20 is moving after a predetermined time has elapsed since the acquisition of the position information.
　図１０は、携帯端末２０の動作の一例を示すフローチャートである。図１０に示すフローチャートは、位置情報取得部２２０が位置情報を取得することにより開始する。 FIG. 10 is a flowchart showing an example of the operation of the mobile terminal 20. The flowchart shown in FIG. 10 starts when the position information acquisition unit 220 acquires position information.
　位置情報取得部２２０は位置情報を取得する（ステップＳ３００）。位置情報を取得した位置情報取得部２２０は位置情報を移動推定部２４０に供給（出力）する。 The position information acquisition unit 220 acquires position information (step S300). The position information acquisition unit 220 that has acquired the position information supplies (outputs) the position information to the movement estimation unit 240.
　位置情報取得部２２０から位置情報を取得した移動推定部２４０は、位置情報取得部２２０から取得した位置情報を位置情報出力部２５０に供給（出力）する。位置情報取得部２２０から位置情報を取得した位置情報出力部２５０は、位置情報取得部２２０から取得した位置情報を出力する（ステップＳ３１０）。例えば、ステップＳ３００において位置情報取得部２２０が端末ユーザの入力によって出張先ホテルの位置情報を取得している場合には、位置情報出力部２５０は、その出張先ホテルの位置情報を出力する。また、位置情報を出力先は、自端末（携帯端末２０）の表示装置でもよいが、例えば、ネットワークを介して接続された所定の装置（例えば、ＳＩＰサーバ）などであってもよい。 The movement estimation unit 240 that has acquired the position information from the position information acquisition unit 220 supplies (outputs) the position information acquired from the position information acquisition unit 220 to the position information output unit 250. The position information output unit 250 that has acquired the position information from the position information acquisition unit 220 outputs the position information acquired from the position information acquisition unit 220 (step S310). For example, if the location information acquisition unit 220 has acquired location information of a business trip destination hotel by input of a terminal user in step S300, the location information output unit 250 outputs the location information of the business trip destination hotel. The output destination of the position information may be the display device of the own terminal (mobile terminal 20), but may be a predetermined device (for example, a SIP server) connected via a network, for example.
　また、位置情報取得部２２０から位置情報を取得した移動推定部２４０は、自端末（携帯端末２０）は移動していないか否かを判断する（ステップＳ３２０）。具体的には、位置情報取得部２２０は自端末（携帯端末２０）が移動しているか否かを推定し、推定結果に基づいて自端末（携帯端末２０）が移動したか否かを判断する。この推定処理は、図４に示す携帯端末１０の備える移動推定部１４０の動作と同様である。 Also, the movement estimation unit 240 that has acquired the position information from the position information acquisition unit 220 determines whether or not the own terminal (the portable terminal 20) is not moving (step S320). Specifically, the position information acquisition unit 220 estimates whether or not the own terminal (mobile terminal 20) is moving, and determines whether or not the own terminal (mobile terminal 20) has moved based on the estimation result. . This estimation process is the same as the operation of the movement estimation unit 140 provided in the mobile terminal 10 shown in FIG.
　移動推定部２４０は、自端末（携帯端末２０）は移動していないと判断した場合（ステップＳ３２０：Ｙｅｓ）、位置情報取得部２２０から新たな位置情報を取得したか否かを判断する（ステップＳ３３０）。移動推定部２４０は、位置情報取得部２２０から新たな位置情報を取得していないと判断した場合（ステップＳ３３０：Ｎｏ）、所定の時間が経過したか否かを判断する（ステップＳ３４０）。所定の時間は、移動推定部２４０が参照する時間情報であって、不変値であってもよいし、端末ユーザによる設定値であってもよい。 When the movement estimation unit 240 determines that the terminal (mobile terminal 20) is not moving (step S320: Yes), the movement estimation unit 240 determines whether new position information has been acquired from the position information acquisition unit 220 (step S320). S330). When it is determined that the new position information has not been acquired from the position information acquisition unit 220 (step S330: No), the movement estimation unit 240 determines whether a predetermined time has elapsed (step S340). The predetermined time is time information referred to by the movement estimation unit 240 and may be an invariant value or a set value by a terminal user.
　移動推定部２４０は、所定の時間が経過したと判断した場合（ステップＳ３４０：Ｙｅｓ）、ステップＳ３２０に戻って、自端末（携帯端末２０）は移動していないか否かを再度判断する。一方、移動推定部２４０は、所定の時間が経過していないと判断した場合（ステップＳ３４０：Ｎｏ）、所定の時間が経過する迄（ステップＳ３４０：Ｙｅｓ）、ステップ３４０を実行する。一方、移動推定部２４０は、位置情報取得部２２０から新たな位置情報を取得したと判断した場合（ステップＳ３３０：Ｙｅｓ）、ステップＳ３１０に戻って、位置情報出力部２５０は、新たな位置情位置情報を出力する。 When the movement estimation unit 240 determines that the predetermined time has elapsed (step S340: Yes), the movement estimation unit 240 returns to step S320 and determines again whether or not the own terminal (mobile terminal 20) has moved. On the other hand, when it is determined that the predetermined time has not elapsed (step S340: No), the movement estimation unit 240 executes step 340 until the predetermined time has elapsed (step S340: Yes). On the other hand, if the movement estimation unit 240 determines that new position information has been acquired from the position information acquisition unit 220 (step S330: Yes), the process returns to step S310, and the position information output unit 250 acquires the new position information position. Output information.
　一方、移動推定部２４０は、自端末（携帯端末２０）は移動したと判断した場合（ステップＳ３２０：Ｙｅｓ）、位置を不明とした位置情報を位置情報出力部２５０に供給（出力）する。位置情報取得部２２０から位置情報（位置不明）を取得した位置情報出力部２５０は、位置情報取得部２２０から取得した位置情報（位置不明）を出力する（ステップＳ３５０）。そして、本フローチャートは終了する。 On the other hand, when the movement estimation unit 240 determines that the terminal (mobile terminal 20) has moved (step S320: Yes), the movement estimation unit 240 supplies (outputs) position information whose position is unknown to the position information output unit 250. The position information output unit 250 that has acquired the position information (position unknown) from the position information acquisition unit 220 outputs the position information (position unknown) acquired from the position information acquisition unit 220 (step S350). Then, this flowchart ends.
　ステップＳ３５０において、位置情報出力部２５０は、新たな位置情報を入力すべき旨のメッセージを端末ユーザに表示してもよい。また、移動推定部２４０が所定の時間が経過したと判断した場合（ステップＳ３４０：Ｙｅｓ）、ステップＳ３２０に代えてステップＳ３１０に戻ってもよい。ステップ３１０に戻る場合、位置情報出力部２５０は位置情報を再度出力する（位置情報出力部２５０は、移動推定部２４０から位置情報取得部２２０が記憶している位置情報を再度取得する）。 In step S350, the position information output unit 250 may display a message to the terminal user that new position information should be input. Moreover, when the movement estimation part 240 judges that predetermined time passed (step S340: Yes), it may replace with step S320 and may return to step S310. When returning to step 310, the position information output unit 250 outputs the position information again (the position information output unit 250 acquires again the position information stored in the position information acquisition unit 220 from the movement estimation unit 240).
　即ち、図９に示す携帯端末２０は、入力された位置情報を用いて、現在の静止位置を推定する。 That is, the mobile terminal 20 shown in FIG. 9 estimates the current stationary position using the input position information.
　以上、第２の実施形態による携帯端末２０によれば、第１の実施形態による携帯端末１０と同様の効果を得ることができる。 As mentioned above, according to the portable terminal 20 by 2nd Embodiment, the effect similar to the portable terminal 10 by 1st Embodiment can be acquired.
　携帯端末２０は、携帯端末１０と同様、図１１に示す、端末ユーザの行動情報を出力するための構成を更に備えていてもよい。図１１は、携帯端末２０の他の構成によるブロック図である。図１１に示す関係情報記憶部２０２、行動情報記憶部２０４および行動情報決定部２６０は、図７に示す携帯端末１０の関係情報記憶部１０２、行動情報記憶部１０４および行動情報決定部１６０と同様であるため説明を省略する。図１１に示す携帯端末２０によれば、図７に示す携帯端末１０と同様の効果を得ることができる。 Similarly to the mobile terminal 10, the mobile terminal 20 may further include a configuration for outputting the action information of the terminal user shown in FIG. FIG. 11 is a block diagram of another configuration of the mobile terminal 20. The relationship information storage unit 202, the behavior information storage unit 204, and the behavior information determination unit 260 illustrated in FIG. 11 are the same as the relationship information storage unit 102, the behavior information storage unit 104, and the behavior information determination unit 160 of the mobile terminal 10 illustrated in FIG. Therefore, the description is omitted. According to the mobile terminal 20 shown in FIG. 11, the same effect as that of the mobile terminal 10 shown in FIG. 7 can be obtained.
　第１、２の実施形態において、接続判断部１１０（２１０）は、電源接続判断部１１２（２１２）および表示機器接続判断部１１４（２１４）から構成された。しかしながら、接続判断部１１０（２１０）は、電源接続判断部１１２（２１２）および表示機器接続判断部１１４（２１４）に代えて、またはこれに加えて、携帯端末１０（２０）が備える他の機器設備と接続するための接続端子を介してその他の機器設備と接続中状態および未接続状態のどちらの状態であるかを判断するその他の機器設備用の判断部から構成されていてもよい。つまり、電源用ケーブル接続端子１２（２２）および表示機器用ケーブル接続端子１４（２４）は、携帯端末１０（２０）が備える接続端子のサブセットの一例であって、接続判断部１１０（２１０）は、サブセット内の種々の接続端子に応じて種々の構成を採ることができる。 In the first and second embodiments, the connection determination unit 110 (210) includes a power connection determination unit 112 (212) and a display device connection determination unit 114 (214). However, the connection determination unit 110 (210) is replaced with the power supply connection determination unit 112 (212) and the display device connection determination unit 114 (214), or in addition to the other devices included in the mobile terminal 10 (20). You may be comprised from the judgment part for other equipment facilities which judges whether it is in the state of a connection state and a non-connecting state with other equipment equipment via the connection terminal for connecting with equipment. That is, the power cable connection terminal 12 (22) and the display device cable connection terminal 14 (24) are an example of a subset of connection terminals included in the mobile terminal 10 (20), and the connection determination unit 110 (210) Various configurations can be adopted according to various connection terminals in the subset.
　また、第１、２の実施形態において、携帯端末１０（２０）は、位置情報を入出力したが、携帯端末１０（２０）は、位置情報に加えて付加情報を入出力してもよい。即ち、入出力情報をコンテキスト（ある対象に着目した場合に、その対象に関連する状態情報。例えば、可搬性の機器を対象とする場合、その機器に係るコンテキストはその機器の所在、稼働状況などを含む。人物を対象とする場合、その人物に係るコンテキストはその人物の居場所、行動、感情などを含む）として捉えることもできる。 In the first and second embodiments, the mobile terminal 10 (20) inputs and outputs position information. However, the mobile terminal 10 (20) may input and output additional information in addition to the position information. That is, input / output information is context (state information related to a target when focusing on a target. For example, when a portable device is targeted, the context related to the device is the location of the device, operating status, etc. In the case of targeting a person, the context related to the person can also be understood as including the whereabouts, actions, and emotions of the person).
　一例として、携帯端末１０（２０）は、入力に係る付加情報として各種センサによる測定値（例えば、振動、明暗、温度）を利用し、接続判断部１１０（２１０）による判断に加えて、付加情報の変化に基づいて携帯端末１０（２０）が移動しているか否かを推定してもよい。例えば、携帯端末１０（２０）をカバンに収納した場合、暗くなるため、移動したと判断することもできる。但し、測定値は、携帯端末１０（２０）が移動していないときも変化するため、移動していない場合の変化をオフセットとして予め記憶し、測定値からオフセットを控除した値から携帯端末１０（２０）が移動しているか否かを推定する必要がある。携帯端末１０（２０）に予め搭載されている各種センサを活用する必要がある。コストを低減することが目的であるからである。 As an example, the mobile terminal 10 (20) uses measurement values (for example, vibration, brightness, temperature) by various sensors as additional information related to input, and in addition to the determination by the connection determination unit 110 (210), additional information It may be estimated whether or not the mobile terminal 10 (20) is moving based on the change of. For example, when the mobile terminal 10 (20) is stored in a bag, it is dark, so it can be determined that the mobile terminal 10 (20) has moved. However, since the measurement value changes even when the mobile terminal 10 (20) is not moving, the change when the mobile terminal 10 (20) is not moving is stored in advance as an offset, and the mobile terminal 10 ( It is necessary to estimate whether 20) is moving. It is necessary to utilize various sensors that are pre-installed in the mobile terminal 10 (20). This is because the purpose is to reduce the cost.
　他の一例として、携帯端末１０（２０）は、入力に係る付加情報として端末ユーザによる入力操作情報を利用し、接続判断部１１０（２１０）による判断に加えて、付加情報の変化に基づいて携帯端末１０（２０）が移動しているか否かを推定してもよい。例えば、携帯端末１０（２０）がノートＰＣである場合に、入力操作が継続している間は、移動していないと判断することもできる。 As another example, the mobile terminal 10 (20) uses input operation information by the terminal user as additional information related to input, and in addition to the determination by the connection determination unit 110 (210), You may estimate whether the terminal 10 (20) is moving. For example, when the mobile terminal 10 (20) is a notebook PC, it can be determined that the mobile terminal 10 (20) is not moving while the input operation continues.
　図１あるいは図７に示す携帯端末１０、または図９あるいは図１１に示す携帯端末２０の機能を実現するためのプログラムをコンピュータ読み取り可能な記録媒体に記録して、この記録媒体に記録されたプログラムをコンピュータシステムに読み込ませ、実行することにより携帯端末１０（２０）の移動しているか否かを推定してもよい。ここでいう「コンピュータシステム」とは、ＯＳや周辺機器等のハードウェアを含むとする。 A program for realizing the functions of the mobile terminal 10 shown in FIG. 1 or FIG. 7 or the mobile terminal 20 shown in FIG. 9 or FIG. 11 is recorded on a computer-readable recording medium, and the program recorded on this recording medium It may be estimated whether or not the mobile terminal 10 (20) is moving by causing the computer system to read and execute. The “computer system” here includes an OS and hardware such as peripheral devices.
　「コンピュータシステム」は、ＷＷＷシステムを利用している場合であれば、ホームページ提供環境（あるいは表示環境）も含む。
　「コンピュータ読み取り可能な記録媒体」とは、フレキシブルディスク、光磁気ディスク、ＲＯＭ、ＣＤ－ＲＯＭ等の可搬媒体、コンピュータシステムに内蔵されるハードディスク等の記憶装置である。「コンピュータ読み取り可能な記録媒体」とは、インターネット等のネットワークや電話回線等の通信回線を介してプログラムを送信する場合の通信線のように、短時間の間、動的にプログラムを保持するもの、その場合のサーバやクライアントとなるコンピュータシステム内部の揮発性メモリのように、一定時間プログラムを保持しているものも含む。上記プログラムは、前述した機能の一部を実現するためのものであっても良く、さらに前述した機能をコンピュータシステムにすでに記録されているプログラムとの組み合わせで実現できるものであってもよい。 The “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
The “computer-readable recording medium” is a storage device such as a portable medium such as a flexible disk, a magneto-optical disk, a ROM, a CD-ROM, or a hard disk built in a computer system. "Computer-readable recording medium" means a program that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. In this case, a volatile memory in a computer system that serves as a server or a client in this case includes a program that holds a program for a certain period of time. The above-mentioned program may be for realizing a part of the above-described functions, and may be capable of realizing the above-described functions in combination with a program already recorded in the computer system.
　以上、この発明の実施形態について図面を参照して詳述してきたが、具体的な構成はこの実施形態に限られるものではなく、この発明の要旨を逸脱しない範囲の設計等も含まれる。 As described above, the embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes design and the like within the scope not departing from the gist of the present invention.
この出願は、２００８年９月１日に出願された日本出願特願２００８－２２３８００を基礎とする優先権を主張し、その開示の全てをここに取り込む。 This application claims priority based on Japanese Patent Application No. 2008-223800 filed on September 1, 2008, the entire disclosure of which is incorporated herein.
　本発明は、行動情報の一要素である位置推定に適用できる。例えば、ＰＣなどの動線管理を行う上での補完的な機能として利用できる。ＰＣの位置が管理できることにより、棚卸を円滑に行えるなどの効果が考えられる。また、本発明は、複数の人がメッセージを交換できるインスタントメッセンジャーにも活用することができる。 The present invention can be applied to position estimation that is one element of behavior information. For example, it can be used as a complementary function in managing a flow line of a PC or the like. Since the position of the PC can be managed, an effect such as smooth inventory can be considered. The present invention can also be used for instant messengers where a plurality of people can exchange messages.
１０、２０    携帯端末
１２、２２    電源用ケーブル接続端子
１４、２４    表示機器用ケーブル接続端子
１００ 接続状態記憶部
１０２ 関係情報記憶部
１０４ 行動情報記憶部
１１０ 接続判断部
１１２ 電源接続判断部
１１４ 表示機器接続判断部
１２０ 位置情報取得部
１３０ クロック部
１４０ 移動推定部
１５０ 位置情報出力部
１６０ 行動情報決定部
２１０ 接続判断部
２１２ 電源接続判断部
２１４ 表示機器接続判断部
２２０ 位置情報取得部
２４０ 移動推定部
２５０ 位置情報出力部 10, 20 Mobile terminal 12, 22 Power supply cable connection terminal 14, 24 Display device cable connection terminal 100 Connection state storage unit 102 Relation information storage unit 104 Behavior information storage unit 110 Connection determination unit 112 Power connection determination unit 114 Display device connection Determination unit 120 Position information acquisition unit 130 Clock unit 140 Movement estimation unit 150 Position information output unit 160 Behavior information determination unit 210 Connection determination unit 212 Power connection determination unit 214 Display device connection determination unit 220 Position information acquisition unit 240 Movement estimation unit 250 Position Information output section

Claims (14)

  1. 　外部の複数の機器設備それぞれと接続するための複数の接続端子を有する携帯端末であって、
    　前記接続端子それぞれを介して前記複数の機器設備それぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断部と、
    　前記接続判断部によって判断された接続状態を記憶する接続状態記憶部と、
    　前記接続状態記憶部に記憶された前記複数の機器設備それぞれと前記接続端子それぞれとの接続状態に基づいて前記携帯端末は移動しているか否かを推定する移動推定部と
    　を備える携帯端末。     A portable terminal having a plurality of connection terminals for connecting to each of a plurality of external equipment facilities,
    A connection determination unit that determines whether the connected state and the unconnected state with each of the plurality of device facilities via the connection terminals;
    A connection state storage unit for storing the connection state determined by the connection determination unit;
    A mobile terminal comprising: a movement estimation unit that estimates whether or not the mobile terminal is moving based on a connection state between each of the plurality of device facilities and each of the connection terminals stored in the connection state storage unit.
  2. 　前記移動推定部は、
    　前記接続状態記憶部に記憶された前記複数の機器設備それぞれとの接続状態に基づいて、前記複数の機器設備のうちの一の機器設備と接続している単独接続時間を算出し、前記単独接続時間内は、前記携帯端末は移動していないと推定する請求項１に記載の携帯端末。     The movement estimation unit
    Based on the connection state with each of the plurality of device facilities stored in the connection state storage unit, calculates a single connection time for connection with one device facility among the plurality of device facilities, and the single connection The mobile terminal according to claim 1, wherein it is estimated that the mobile terminal is not moving during a period of time.
  3. 　前記移動推定部は、
    　前記一の機器設備の前記接続状態は未接続状態であると前記接続判定部が判断した後に前記一の機器設備の前記接続状態は接続中状態であると前記接続判定部が最初に判断した時刻である単独接続開始時刻から、前記単独接続開始時刻の後に前記一の機器設備の前記接続状態は接続中状態であると前記接続判定部が最後に判断した時刻である単独接続終了時刻までの時間を、前記一の機器設備に係る前記単独接続時間として算出する請求項２に記載の携帯端末。     The movement estimation unit
    Time at which the connection determination unit first determines that the connection state of the one equipment is in a connected state after the connection determination unit determines that the connection state of the one equipment is in an unconnected state The time from the single connection start time to the single connection end time that is the last time the connection determination unit determined that the connection state of the one equipment is in the connected state after the single connection start time The mobile terminal according to claim 2, wherein the single connection time relating to the one equipment is calculated.
  4. 　前記移動推定部は、
    　前記接続状態記憶部に記憶された前記複数の機器設備それぞれとの接続状態に基づいて、前記複数の機器設備のうちの何れかの機器設備と接続している複合接続時間を算出し、前記複合接続時間内は、前記携帯端末は移動していないと推定する請求項１に記載の携帯端末。     The movement estimation unit
    Based on a connection state with each of the plurality of device facilities stored in the connection state storage unit, a composite connection time for connecting to any one of the plurality of device facilities is calculated, and the composite The mobile terminal according to claim 1, wherein it is estimated that the mobile terminal is not moving within a connection time.
  5. 　前記移動推定部は、
    　前記複数の機器設備の前記接続状態は何れも未接続状態であると前記接続判定部が判断した後に前記複数の機器設備のうち何れかの機器設備の前記接続状態は接続中状態であると前記接続判定部が最初に判断した時刻である複合接続開始時刻から、前記複合接続開始時刻の後に前記複数の機器設備のうち何れかの機器設備の前記接続状態は接続中状態であると前記接続判定部が最後に判断した時刻である複合接続終了時刻までの時間を、前記複合接続時間として算出する請求項４に記載の携帯端末。     The movement estimation unit
    The connection state of any one of the plurality of device facilities is in a connected state after the connection determination unit determines that the connection states of the plurality of device facilities are all unconnected states. From the composite connection start time which is the time when the connection determination unit first determines, after the composite connection start time, the connection determination that the connection state of any one of the plurality of device facilities is in the connected state The mobile terminal according to claim 4, wherein a time until a composite connection end time, which is a time finally determined by the unit, is calculated as the composite connection time.
  6. 　前記携帯端末の位置情報を外部から取得する位置情報取得部を更に備え、
    　前記移動推定部は、
    　前記携帯端末は移動していないと推定した場合、前記位置情報取得部によって最後に取得された前記位置情報に基づいて前記携帯端末の静止位置を更に推定する請求項１から請求項５の何れか１項に記載の携帯端末。     A position information acquisition unit for acquiring the position information of the mobile terminal from the outside;
    The movement estimation unit
    When estimating that the said portable terminal is not moving, any one of Claims 1-5 which further estimates the stationary position of the said portable terminal based on the said positional information acquired by the said positional information acquisition part. The mobile terminal according to item 1.
  7. 　前記携帯端末の位置情報を外部から取得する位置情報取得部を更に備え、
    　前記移動推定部は、
    　前記位置情報取得部によって前記位置情報が最後に取得されてから所定の時間を経過したときに、前記携帯端末は移動しているか否かを推定する請求項１から請求項６の何れか１項に記載の携帯端末。     A position information acquisition unit for acquiring the position information of the mobile terminal from the outside;
    The movement estimation unit
    7. The device according to claim 1, wherein when the predetermined time has elapsed since the position information was last acquired by the position information acquisition unit, the mobile terminal is estimated to be moving. The portable terminal as described in.
  8. 　外部の複数の機器設備それぞれと接続するための複数の接続端子を有する携帯端末であって、
    　携帯端末の位置情報を外部から取得する位置情報取得部と、
    　前記接続端子それぞれを介して前記複数の機器設備それぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断部と、
    　前記接続判断部によって判断された前記複数の機器設備それぞれとの接続状態に基づいて前記携帯端末は移動しているか否かを推定する移動推定部と
    　を備え、
    　前記移動推定部は、
    　前記携帯端末が移動していないと推定したときは、前記位置情報取得部によって最後に取得された前記位置情報に基づいて、前記携帯端末の静止位置を更に推定する携帯端末。     A portable terminal having a plurality of connection terminals for connecting to each of a plurality of external equipment facilities,
    A location information acquisition unit for acquiring location information of the mobile terminal from the outside;
    A connection determination unit that determines whether the connected state and the unconnected state with each of the plurality of device facilities via the connection terminals;
    A movement estimation unit that estimates whether or not the mobile terminal is moving based on a connection state with each of the plurality of device facilities determined by the connection determination unit;
    The movement estimation unit
    When it is estimated that the mobile terminal is not moving, the mobile terminal further estimates a stationary position of the mobile terminal based on the position information last acquired by the position information acquisition unit.
  9. 　前記接続判断部は、
    　前記位置情報取得部によって前記位置情報が最後に取得されてから所定の時間を経過したときに、前記複数の機器設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する請求項８に記載の携帯端末。     The connection determination unit
    When a predetermined time has elapsed since the position information was last acquired by the position information acquisition unit, it is determined whether each of the plurality of equipment is in a connected state or an unconnected state. The mobile terminal according to claim 8.
  10. 　前記移動推定部によって前記携帯端末の静止位置が推定された場合に、前記静止位置の位置情報を外部に出力する位置情報出力部を更に備える請求項６、請求項８および請求項９の何れか１項に記載の携帯端末。 The position information output part which outputs the position information of the said stationary position outside when the stationary position of the said portable terminal is estimated by the said movement estimation part, The any one of Claim 6, 8, and 9 The mobile terminal according to item 1.
  11. 　前記複数の機器設備は、表示機器および電源設備であって、
    　前記接続判断部は、
    　前記表示機器および前記電源設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する請求項１から請求項１０の何れか１項に記載の携帯端末。     The plurality of equipment is a display equipment and a power supply equipment,
    The connection determination unit
    The portable terminal according to any one of claims 1 to 10, wherein it is determined which of a connected state and an unconnected state is connected to each of the display device and the power supply facility.
  12. 　前記携帯端末の静止位置と前記携帯端末のユーザの行動情報との関係を記憶する関係情報記憶部と、
    　前記移動推定部によって前記携帯端末の静止位置が推定された場合に、前記静止位置の位置情報に対応付けて前記関係情報記憶部に記憶されている前記行動情報を前記携帯端末の前記ユーザの行動情報として決定する行動情報決定部と
    　を更に備える請求項６、請求項８、請求項９および請求項１０の何れか１項に記載の携帯端末。     A relationship information storage unit that stores a relationship between a stationary position of the portable terminal and behavior information of the user of the portable terminal;
    When the stationary position of the portable terminal is estimated by the movement estimation unit, the behavior information stored in the relation information storage unit in association with the positional information of the stationary position is used as the behavior of the user of the portable terminal. The mobile terminal according to any one of claims 6, 8, 9, and 10, further comprising: an action information determination unit that determines the information.
  13. 　外部の複数の機器設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断ステップと、
    　前記接続判断ステップによって判断された前記複数の機器設備それぞれとの接続状態に基づいて前記携帯端末は移動しているか否かを推定する移動推定ステップと
    　を有する移動判定方法。     A connection determination step for determining whether the connection state is a connected state or an unconnected state with each of a plurality of external equipment facilities;
    A movement estimation method comprising: a movement estimation step of estimating whether or not the mobile terminal is moving based on a connection state with each of the plurality of device facilities determined in the connection determination step.
  14. 　携帯端末のコンピュータに、　
    　外部の複数の機器設備のそれぞれと接続中状態および未接続状態のどちらの接続状態であるかを判断する接続判断ステップと、
    　前記接続判断ステップによって判断された前記複数の機器設備それぞれとの接続状態に基づいて前記携帯端末は移動しているか否かを推定する移動推定ステップと
    　を実行させるプログラム。     On the computer of the mobile device,
    A connection determination step for determining whether the connection state is a connected state or an unconnected state with each of a plurality of external equipment facilities;
    A movement estimation step for estimating whether or not the mobile terminal is moving based on a connection state with each of the plurality of device facilities determined in the connection determination step.
PCT/JP2009/004299 2008-09-01 2009-09-01 Portable terminal, movement determination method, and program WO2010023965A1 (en)

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JPH06133055A (en) * 1992-10-14 1994-05-13 Fujitsu Kyushu Commun Syst Co Ltd Absence transfer registration/release method
JP2002077974A (en) * 2000-09-01 2002-03-15 Hitachi Ltd Position indicating system
JP2004038634A (en) * 2002-07-04 2004-02-05 Fujitsu Access Ltd Emergency report terminal and emergency report system
JP2004297679A (en) * 2003-03-28 2004-10-21 Tatsuhiko Kawakami Portable phone with data compatibility
JP2004340896A (en) * 2003-05-19 2004-12-02 Ntt Docomo Inc Portable terminal
JP2005277738A (en) * 2004-03-24 2005-10-06 Sharp Corp Portable information terminal, output control program and output control method
JP2006020075A (en) * 2004-07-01 2006-01-19 Nec Mobiling Ltd System, method, portable terminal and program for confirming being at home
JP2008082915A (en) * 2006-09-28 2008-04-10 Mitsubishi Electric Corp Position determining device and mobile unit mounting terminal

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133055A (en) * 1992-10-14 1994-05-13 Fujitsu Kyushu Commun Syst Co Ltd Absence transfer registration/release method
JP2002077974A (en) * 2000-09-01 2002-03-15 Hitachi Ltd Position indicating system
JP2004038634A (en) * 2002-07-04 2004-02-05 Fujitsu Access Ltd Emergency report terminal and emergency report system
JP2004297679A (en) * 2003-03-28 2004-10-21 Tatsuhiko Kawakami Portable phone with data compatibility
JP2004340896A (en) * 2003-05-19 2004-12-02 Ntt Docomo Inc Portable terminal
JP2005277738A (en) * 2004-03-24 2005-10-06 Sharp Corp Portable information terminal, output control program and output control method
JP2006020075A (en) * 2004-07-01 2006-01-19 Nec Mobiling Ltd System, method, portable terminal and program for confirming being at home
JP2008082915A (en) * 2006-09-28 2008-04-10 Mitsubishi Electric Corp Position determining device and mobile unit mounting terminal

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