JP2016149862A - Information terminal device, charging management program, and charging management method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information terminal device that prevents a wearable terminal from being left uncharged.SOLUTION: An information terminal device 10 comprises: connection means that can be connected to a wearable terminal; storage means that stores connection information on the connected wearable terminal; and detection means that detects charging of a battery. When charging of the information terminal device 10 is detected, a charging message M urging charging of the wearable terminal is displayed on a display part 120 of the information terminal device 10 on the basis of the connection information stored in the storage means, and thereby preventing the wearable terminal from being left uncharged.SELECTED DRAWING: Figure 10

Description

  The present invention relates to an information terminal device that can be connected to an external device such as a battery-powered wearable terminal, and more particularly to charge management of a battery of the external device.

  With the widespread use of multifunctional portable terminals such as smartphones, new services or systems that link smartphones with other external devices are becoming popular. For example, an in-vehicle device such as a car navigation device is connected to a smartphone so that a function included in the smartphone can be executed from the in-vehicle device, and the function of the smartphone can be enjoyed in the interior space. In recent years, small wearable terminals that can be worn on the human body, such as bracelet-type terminals and eyeglass-type terminals, have appeared, and new services such as human health management are expected in cooperation with smartphones. ing.

  Since the smartphone and the wearable terminal linked with the smartphone are driven by a battery such as lithium ion, it is desirable that both terminals are charged in accordance with the timing of use by the user. Patent Document 1 discloses a navigation system that prevents an occurrence of a shortage of remaining battery capacity of a portable terminal when the portable terminal and the in-vehicle device are wirelessly connected. In this navigation system, it is determined whether or not the remaining capacity of the battery falls below a predetermined level by the estimated arrival time at the destination. A message to start charging is displayed on the in-vehicle device.

JP 2011-169632 A

  Next, conventional problems in a system in which a wearable terminal and a smartphone are linked will be described. In general, wearable terminals and smartphones are equipped with a rechargeable battery such as lithium ion (secondary battery) and are operated using a power source supplied from the battery in an environment where an external power source cannot be obtained directly.

  For example, if the battery of the wearable terminal is a single-function device, it can operate for approximately one week using the power source of the battery, and if it is a highly functional device, it can operate for approximately four days. On the other hand, a smartphone has a telephone function, a communication function, various application functions, and the like. When these functions are frequently performed, power consumption becomes relatively large. For this reason, smartphone users charge their batteries almost every day. Thus, there is a difference between the charging cycle of a smartphone and the charging cycle of a wearable terminal.

  When a wearable device is connected to a smartphone, the functions of both devices work together, but the charging of both batteries does not work together, so it is easy to forget to charge the wearable device. There is a situation where the amount is insufficient and cannot be used. Also, if the wearable terminal is removed from the body for charging, the user may forget to wear the wearable terminal again after charging.

  The present invention solves such a conventional problem, and an object of the present invention is to provide an information terminal device, a charge management program, and a charge management method that prevent forgetting to charge a wearable terminal.

  An information terminal device according to the present invention includes a connection unit connectable to a wearable terminal, a storage unit that stores connection information of the wearable terminal connected by the connection unit, a detection unit that detects charging of a battery, And output means for outputting charging information for encouraging charging of the wearable terminal based on the connection information stored in the storage means when charging is detected by the detecting means.

  Preferably, the information terminal device further includes an estimation unit that estimates whether or not the wearable terminal needs to be charged, and the output unit is configured to detect that the wearable terminal needs to be charged by the estimation unit. The charging information is output. Preferably, the estimating means includes a counting means for counting the number of times the charging of the battery is detected by the detecting means, and the estimating means is configured such that the number of times counted by the counting means coincides with a predetermined value. , It is assumed that the wearable terminal needs to be charged. Preferably, the connection information includes a connection time between the wearable terminal and the information terminal device, and the estimation means does not require charging of the wearable terminal when the connection time is equal to or less than a predetermined value. I guess. Preferably, the connection information includes a date and time when charging of the battery by the detecting unit is detected, and the estimation unit is configured such that an interval between the latest date and time when charging of the battery is detected and a date and time immediately before the date and time is less than a certain value. At this time, it is assumed that charging to the wearable terminal is not necessary. Preferably, the connection information includes identification information for identifying the wearable terminal, and the output means outputs the charging information including the identification information. Preferably, the output means displays image information prepared in advance using the charging information. Preferably, the information terminal device includes processing means for receiving measurement information from the wearable terminal connected via the connection means and processing the measurement information. Preferably, the measurement information relates to physical information.

  The charge management program according to the present invention is executed by an information terminal device having connection means connectable to a wearable terminal, detection means for detecting charging of a battery, and storage means. Storing the connection information of the wearable terminal connected via the storage means in the storage means, and when the detection means detects the charging of the battery, the wearable terminal of the wearable terminal based on the connection information stored in the storage means Outputting charging information for prompting charging.

  Preferably, the charge management program further includes a step of estimating whether or not the wearable terminal needs to be charged, and the outputting step is estimated by the step of estimating that the wearable terminal needs to be charged. The charging information is output. Preferably, the step of estimating includes a step of counting the number of times the charging of the battery is detected by the detecting means, and the step of estimating includes a step in which the number of times counted by the step of counting coincides with a predetermined value. Then, it is estimated that the wearable terminal needs to be charged. Preferably, the connection information includes a connection time between the wearable terminal and the information terminal device, and the estimating step requires charging the wearable terminal when the connection time is equal to or less than a predetermined value. I guess not. Preferably, the connection information includes a date and time when charging of the battery by the detecting unit is detected, and the step of estimating includes an interval between a most recent date and time immediately before detection of charging of the battery and a date and time immediately before the date and time. At some point, it is assumed that charging of the wearable terminal is not necessary. Preferably, the connection information includes identification information for identifying the wearable terminal, and the outputting step outputs the charging information including the identification information.

  A charge management method according to the present invention is an information terminal device having a connection means connectable to a wearable terminal, a detection means for detecting charging of a battery, and a storage means. Storing the connection information of the connected wearable terminal in the storage means, and charging the wearable terminal based on the connection information stored in the storage means when the detection means detects charging of the battery. Outputting prompting charging information.

  According to the present invention, when charging to the information terminal device is detected, charging information that prompts charging of the wearable terminal that has been connected to the information terminal device is output. Cooperation with the charging of the wearable terminal can be achieved, and forgetting to charge the wearable terminal can be prevented.

It is the whole schematic showing the relationship between the information terminal device and wearable terminal which concern on the Example of this invention. It is a figure which shows the structural example of the information terminal device which concerns on the Example of this invention. It is a figure which shows the example of charge of the information terminal device which concerns on the Example of this invention. It is a block diagram which shows the functional structure of the charge management program which concerns on the Example of this invention. It is a figure which shows an example of the connection information which concerns on the Example of this invention. It is a figure which shows the specific structural example of the charge necessity estimation part which concerns on the Example of this invention. It is a flowchart explaining the operation | movement of the charge management which concerns on the Example of this invention. It is an operation | movement flow when utilizing the determination result by the charge frequency determination part which concerns on the Example of this invention. It is a figure which shows the relationship of the charging cycle of the information terminal device and wearable terminal which concern on the Example of this invention. It is a figure which shows the example output by the charge information output part which concerns on the Example of this invention.

  Next, embodiments of the present invention will be described in detail with reference to the drawings. The information terminal device according to the embodiment of the present invention can be, for example, an electronic device that can be driven by a battery, such as a smartphone, a tablet terminal, or a laptop terminal. In addition, the information terminal device of the present embodiment can communicate with an external device wirelessly, and more preferably, can cooperate with a wearable terminal. In one embodiment, the information terminal device can be equipped with a software application that cooperates with the function of the wearable terminal. For example, the wearable terminal can measure information about the human body, the measured information is transmitted to the information terminal device, and the information terminal device can process, manage, and output the received measurement information. . In addition to the function to cooperate with the wearable terminal, the information terminal device can also be equipped with other functions such as a navigation function, a function for reproducing audio / video data, and a function for receiving TV / radio. It is.

  A wearable terminal according to an embodiment of the present invention is a terminal that can be directly or indirectly attached to a human body and can be driven by a battery. For example, it has a form that can be worn on the arm, leg, or head of a human body. Since the wearable terminal cooperates with the information terminal device, it can wirelessly communicate with the information terminal device. The wearable terminal has a single function or a plurality of functions, and preferably has a function of measuring information related to the human body, such as blood pressure and heart rate, and transmits the measured information to the information terminal device.

  FIG. 1 is a schematic diagram illustrating cooperation between an information terminal device and a wearable terminal according to an embodiment of the present invention. The information terminal device 10 is, for example, a smartphone, and is connected to the wearable terminal 20 via the wireless communication unit 30. The wireless communication unit 30 is, for example, Bluetooth (registered trademark), Wi-Fi (registered trademark), or other short-range communication. The wearable terminal 20 is, for example, a bracelet type (breasted type) as shown in FIG. 1 and can be attached to a human arm. The wearable terminal 20 is driven by a battery, intermittently or continuously measures necessary information related to human activity, and transmits the measured information to the information terminal device 10 via the wireless communication means 30.

  FIG. 2 is a diagram illustrating a configuration example of the information terminal device 10 according to the embodiment of the present invention. The information terminal device 10 includes a communication unit 100, an input unit 110, a display unit 120, an audio output unit 130, a charging connection unit 140, a storage unit 150, a control unit 160, and a battery 170.

  The communication unit 100 enables wireless communication with external devices including the wearable terminal 20. The communication unit 100 may be, for example, Bluetooth (registered trademark), Wi-Fi (registered trademark), or other wireless standards.

  The input unit 110 receives an instruction from the user through a touch panel, an input key device, a voice input recognition device, and the like, and provides this to the control unit 160. The display unit 120 is a display device such as a liquid crystal display. In the information terminal device 10 such as a smartphone, each application can be executed by touching an icon or the like displayed on the display unit 120. The audio output unit 130 outputs audio data and the like stored in the storage unit 150.

  The charging connection unit 140 is an external connection unit for charging the battery of the information terminal device 10. FIG. 3 is a diagram illustrating an example of charging the information terminal device 10. The information terminal device 10 starts charging the battery 170 by connecting the charger 40 connected to the power cord 42 and the charging connection unit 140. The charging method is not limited to the method using the charger 40 shown in FIG. 3, and the battery 170 can be connected by connecting the charging connection unit 140 to a commercial power source or a personal computer via a USB cable. May be charged.

  The storage unit 150 can store data used in the information terminal device 10, a program for executing a unique function of the information terminal device 10, an application program downloaded from an external server, and the like. The application program can be, for example, a program that enables cooperation with the wearable terminal 20 or any other function such as a navigation function, a music playback function, an Internet browser, and the like.

  In a preferred embodiment, the control unit 160 includes a microcontroller including a ROM, a RAM, and the like, and the ROM or the RAM can store various programs for controlling the operation of each unit of the information terminal device 10. In the present embodiment, the control unit 160 includes a charge management program that links charging of the information terminal device 10 and charging of the wearable terminal 20.

  FIG. 4 is a block diagram showing a functional configuration of the above-described charge management program. As shown in the figure, the power reception management program 200 includes a connection information storage unit 210 that stores connection information between the information terminal device 10 and the wearable terminal 20, and a charge detection unit 220 that detects charging of the battery to the information terminal device 10. , Charging necessity estimation unit 230 that estimates whether charging of wearable terminal 20 is necessary, and charging information that outputs charging information that prompts charging of wearable terminal when charging necessity estimation unit estimates that charging is necessary An output unit 240 is included.

  The connection information storage unit 210 stores, in the storage unit 150, connection information related to the connection of the wearable terminal 20 that is communication-connected via the communication unit 100. The connection information includes, for example, identification information for identifying the wearable terminal, the date and time when the connection is made with the wearable terminal, and the communication connection time. Here, an example is shown in which the wearable terminal 20 is connected by Bluetooth (registered trademark) (hereinafter abbreviated as BT connection). When the wearable terminal 20 and the information terminal device 10 are paired via the communication unit 100, bidirectional data communication between both devices becomes possible. At this time, the connection information storage unit 210 stores the Bluetooth address “BD_ADDR” or the device name of the wearable terminal 20 connected by BT. The Bluetooth address is unique to the terminal device.

  FIG. 5 is a diagram illustrating an example of connection information, where one record includes wearable terminal identification information, connection start date and time when communication connection is started, connection end date and time when communication connection is ended, and communication connection. The continuous connection time from the start to the end is stored. In the example of FIG. 5, the Bluetooth address “aa: bb: cc” of the wearable terminal is shown as the identification information. The connection information storage unit 210 creates a record each time the wearable terminal 20 is connected via the communication unit 100, and stores the connection history of the wearable terminal therein. Although optional, flag information can be provided corresponding to each record of the connection information. The flag information is used by the charging necessity estimation unit 230 and the like as will be described later.

  The charging detection unit 210 detects that charging of the battery 170 is started via the charging connection unit 140. For example, as shown in FIG. 3, when the charger 40 is connected to the charging connection unit 140, the charging of the battery 170 is detected. The detection result by the charge detection unit 220 is provided to the charge necessity estimation unit 230.

  When the information terminal device 10 is charged, the charging necessity estimation unit 230 refers to the connection information stored by the connection information storage unit 210 and estimates whether charging of the wearable terminal 20 is necessary. In yet another aspect, the charging necessity estimation unit 220 can estimate whether or not the wearable terminal 20 needs to be charged by referring to the number of times of detection of charging by the charging detection unit 210 in addition to the connection information.

  FIG. 6 shows a configuration example of the charging necessity estimation unit 230. The charging necessity estimation unit 230 preferably includes a charging terminal determination unit 232, a charge count determination unit 234, a connection time determination unit 236, and a latest date determination unit 238. The charging terminal determination unit 232 refers to the connection information stored by the connection information storage unit 210 and determines whether or not there is a wearable terminal that should be charged in cooperation with the information terminal device 10. For example, when the wearable terminal 20 is BT-connected to the information terminal device 10, if the identification information shown in FIG. 5 includes a BT address, it is determined that there is a wearable terminal to be charged that cooperates with the information terminal device 10. . Further, in another aspect, the wearable terminal identification information is registered in advance, and the charging terminal determination unit 232 includes the wearable to be charged when the identification information that matches the registered identification information is included in the connection information. It is determined that there is a terminal. When the charging terminal determination unit 232 determines that there is a wearable terminal to be charged, the charging necessity estimation unit 230 estimates that the wearable terminal needs to be charged.

  The number-of-charges determination unit 234 counts the number of detections by the charge detection unit 220. When charging to the information terminal device 10 is detected, whether the number of counts matches a predetermined value (n times). Determine. If the count reaches the n value, it is estimated that the wearable terminal 20 needs to be charged, and if not reached, it is estimated that charging is not necessary. For example, if n = 1, it is estimated that the wearable terminal needs to be charged every time the information terminal device 10 is charged. If n = 2, the information terminal device 10 is charged twice. It is presumed that the wearable terminal needs to be charged once. When the count number coincides with n times, the charge number determination unit 234 resets the past count number and counts the new count number. This n value is preferably determined based on the difference between the charging frequency of the battery of the information terminal device 10 and the charging frequency of the battery of the wearable terminal, but finally the n value is determined by user input. You may be allowed to.

  The duration determination unit 236 obtains “connection time” from the newest record (first record in the example of FIG. 5) of the connection information (see FIG. 5), and the connection time is a predetermined communication. It is determined whether or not the time has been reached. If the time has been reached, it is estimated that the wearable terminal needs to be charged. If the time has not been reached, the wearable terminal 20 is not charged. That is, if communication is performed with the information terminal device for a long time, it is estimated that the battery of the wearable terminal is consumed correspondingly and charging is necessary. The predetermined communication time is preferably determined according to the battery duration of the wearable terminal, but may be finally determined by user input.

  Further, the duration determination unit 236 may determine whether or not the sum of connection times of a plurality of records returning from the latest record to the past has reached a predetermined communication time, not only the latest record. . In this case, the flag information shown in FIG. 5 is used to set a flag so that a record that has been determined to require charging of the wearable terminal in the past can be identified, and the sum of connection times of records for which the flag is not set is calculated. It is determined whether or not a predetermined communication time has been reached. For example, if it is estimated that the wearable terminal needs to be charged using the connection time of the third record in the past, a flag is set for the third record, and the connection time of the first and second records Is not used, so the flag is not set. It is assumed that the predetermined communication time is 8 hours and only the second record exists when charging of the information terminal device 10 is detected. In this case, since the flag is set for the third record, the duration determination unit 236 excludes this connection time from the target, and then refers to the connection time of the new second record. Since this connection time is shorter than the predetermined communication time, the charging necessity estimation unit 230 estimates that charging is not necessary. Therefore, record 2 remains unset flag. Next, when the first record exists when charging of the charging terminal device 10 is detected, the duration determination unit 236 determines the connection time of the first and second records for which no flag is set. It is determined whether or not the sum exceeds a predetermined communication time. Here, since the total connection time is 9 hours and exceeds the predetermined communication time, the charging necessity estimation unit 230 estimates that the wearable terminal needs to be charged. A flag is set in the first and second records.

  The latest date / time determination unit 238 obtains the “connection end date / time” from the newest record in the connection information (see FIG. 5), and the connection end date / time and the current date / time when the charge detection unit 210 detected charging. Are compared to determine whether or not the difference exceeds a certain elapsed period. If the predetermined elapsed time is exceeded, it is estimated that the wearable terminal 20 needs to be charged, and if not, it is estimated that charging is not necessary. In other words, if the last day when the wearable terminal was used exceeds a certain elapsed period, it is estimated that the wearable terminal battery is low. The certain elapsed period can be arbitrarily determined, but may be finally determined by user input. Further, “connection start date and time” may be used as a comparison target instead of the connection end date and time.

  The charging necessity estimation unit 220 uses the determination result of any one of the charging terminal determination unit 232, the charge count determination unit 234, the connection time determination unit 236, and the latest date determination unit 238, or a plurality of determination results, to provide wearables. It can be estimated whether or not the terminal 20 needs to be charged. When using a plurality of determination results, the logical product of these determination results is used.

  The charging information output unit 240 outputs a guidance for charging the wearable terminal when the charging necessity estimation unit 220 estimates that the wearable terminal needs to be charged. Although the output method is not particularly limited, a message screen for prompting charging can be displayed on the display unit 120, and voice guidance can be output from the voice output unit 130.

  Next, the charge management operation of the information terminal device according to the present embodiment will be described with reference to the flowchart of FIG. First, it is determined by the connection information storage unit 210 whether or not the wearable terminal 20 is connected to the information terminal device 10 (S100), and when both devices are connected, the connection information storage unit 210 is as shown in FIG. A record of connection information is stored in the storage unit 150 (S102). Next, it is detected whether or not the information terminal device 10 has been charged by the charge detection unit 220 (S104). When charging is detected, the charge necessity estimation unit 230 needs to charge the wearable terminal 20 It is estimated whether or not (S106). If it is estimated that charging is necessary, the charging information output unit 240 causes the display unit or the like to output charging information (S108).

  As a result, the user is alerted to charge the wearable terminal associated with the information terminal device 10 at the timing of charging the information terminal device 10, thereby preventing forgetting to charge the wearable terminal.

  FIG. 8 is a flow for explaining the operation when the determination result by the charge number determination unit 234 is used. First, the charge count determination unit 234 resets the charge count P = 0 (S200), and when charging is detected by the charge detection unit 210 (S202), 1 is added to the count P (S204). Next, the charge count determination unit 234 determines whether or not the count count P has reached a predetermined count n (S206). When P = n, the charging necessity estimation unit 230 estimates that the wearable terminal 20 needs to be charged (S206), resets the count number P = 0 (S208), receives this estimation result, The charging information output unit 240 displays charging guidance on the display unit 120 (S212). On the other hand, when P = n is not reached, the charging necessity estimation unit 230 estimates that the wearable terminal 20 does not need to be charged (S214). When P = n is not reached, the count number is not reset, and when the next charge is detected, the count number P is incremented by one.

  Next, a specific example of the operation shown in FIG. 8 will be described. For example, assuming that the charging cycle of the wearable terminal 20 is 3 days, a predetermined number of times n = 3. On the other hand, it is assumed that the information terminal device 10 as a smartphone is charged every day. That is, since the information terminal device 10 is charged every day, the count P is increased by 1 per day, P = 1 on the first day, P = 2 on the first day, P = 2 on the third day, and P = 3, when charging on the third day, it is estimated that the wearable terminal 20 needs to be charged, and charging information that prompts charging of the wearable terminal is displayed on the display unit 120 of the information terminal device. FIG. 9 shows the relationship between the charging cycle of the information terminal device 10 and the wearable terminal 20. On the third and sixth days of the information terminal device 10, information that prompts charging is output to the display unit or the like of the information terminal device 10 as if linked to the charging of the information terminal device 10. The wearable terminal 20 is charged on at least the 3rd and 6th days, and a shortage of the remaining battery capacity can be avoided.

  FIG. 10 is a diagram illustrating an output example by the charging information output unit 230. In the figure, the user is prompted to charge the wearable terminal 20 by outputting a warning message M on the display unit 120. Note that the alert message is not limited to the wording shown in FIG. 10. For example, the wearable terminal identification information (BD_ADDR, terminal name, etc.) is incorporated in the alert message and more specific. Guidance may be provided. Furthermore, you may make it read the alert message from the audio | voice output part 130. FIG.

  Further, as a modification of the present embodiment, an alarm is set in advance for the date and time at which a warning message is output, and when the charging necessity estimation unit 230 estimates that the wearable terminal 20 needs to be charged, an alarm is set. An alert message may be output at a certain timing.

  The preferred embodiment of the present invention has been described in detail above. However, the present invention is not limited to the specific embodiment, and various modifications and variations are possible within the scope of the gist of the invention described in the claims. It can be changed.

DESCRIPTION OF SYMBOLS 10: Information terminal device 20: Wearable terminal 40: Charger 42: Power supply cord 100: Communication part 110: Input part 120: Display part 130: Audio | voice output part 140: Charging connection part 150: Storage part 160: Control part 170: Battery 200: Charging management program 210: Connection information storage unit 220: Charging detection unit 230: Charging necessity estimation unit 232: Charging terminal determination unit 234: Charging frequency determination unit 236: Connection time determination unit 238: Latest date determination unit 240: Charging Information output part M: Alert message

Claims (20)

A connection means connectable to the wearable terminal;
Storage means for storing connection information of wearable terminals connected by the connection means;
Detection means for detecting charging of the battery;
An output means for outputting charging information for encouraging charging of the wearable terminal based on the connection information stored in the storage means when charging is detected by the detection means;
An information terminal device. The information terminal device further includes an estimation unit that estimates whether or not the wearable terminal needs to be charged, and the output unit is configured to charge the wearable terminal when the estimation unit estimates that the wearable terminal needs to be charged. The information terminal device according to claim 1, which outputs information. The estimation means includes a counting means for counting the number of times the battery charging is detected by the detection means, and the estimation means is configured such that when the number of times counted by the counting means matches a predetermined value, The information terminal device according to claim 2, wherein it is estimated that charging of the wearable terminal is necessary. The connection information includes a connection time between the wearable terminal and the information terminal device, and the estimation means estimates that the wearable terminal does not need to be charged when the connection time is equal to or less than a predetermined value. The information terminal device according to claim 2 or 3. The connection information includes a date and time at which charging of the battery by the detecting means is detected, and the estimating means is when a time interval between the latest date and time immediately before the charging of the battery is detected is less than or equal to a predetermined time, The information terminal device according to any one of claims 2 to 4, wherein it is estimated that charging of the wearable terminal is not necessary. 6. The information terminal device according to claim 1, wherein the connection information includes identification information for identifying the wearable terminal, and the output unit outputs the charging information including the identification information. The information terminal apparatus according to claim 1, wherein the output unit displays image information prepared in advance using the charging information. The information terminal device according to claim 1, further comprising a processing unit that receives measurement information from a wearable terminal connected via the connection unit and processes the measurement information. The information terminal device according to claim 8, wherein the measurement information relates to physical information. A charge management program executed by an information terminal device having a connection means connectable to the wearable terminal, a detection means for detecting charging of the battery, and a storage means,
Storing connection information of wearable terminals connected via the connection means in the storage means;
Outputting charging information for encouraging charging of the wearable terminal based on the connection information stored in the storage unit when charging to the battery is detected by the detecting unit;
Having charge management program. The charge management program further includes a step of estimating whether or not the wearable terminal needs to be charged, and the outputting step is performed when the guessing step estimates that the wearable terminal needs to be charged. The charge management program according to claim 10, wherein the charge information is output. The step of estimating includes a step of counting the number of times the charging of the battery is detected by the detecting means, and the step of estimating includes a case where the number of times counted by the counting step coincides with a predetermined value. The charge management program according to claim 11, wherein the wearable terminal is estimated to require charging. The connection information includes a connection time between the wearable terminal and the information terminal device, and the step of estimating does not require charging the wearable terminal when the connection time is equal to or less than a predetermined value. The charge management program according to claim 11 or 12, which is estimated. The connection information includes a date and time when charging of the battery is detected by the detecting means, and the step of estimating is when an interval between the latest date and time when the charging of the battery is detected and the date and time immediately before is detected is equal to or less than a certain value. The charge management program according to any one of claims 11 to 13, which estimates that charging to the wearable terminal is not necessary. The charge management program according to any one of claims 10 to 14, wherein the connection information includes identification information for identifying the wearable terminal, and the outputting step outputs the charging information including the identification information. A charge management method in an information terminal device having a connection means connectable to a wearable terminal, a detection means for detecting charging of a battery, and a storage means,
Storing connection information of wearable terminals connected via the connection means in the storage means;
Outputting charging information for encouraging charging of the wearable terminal based on the connection information stored in the storage unit when charging to the battery is detected by the detecting unit;
A charge management method. The charge management method further includes the step of estimating whether or not the wearable terminal needs to be charged, and the outputting step is performed when the guessing step estimates that the wearable terminal needs to be charged. The charge management method according to claim 16, wherein the charge information is output. The step of estimating includes a step of counting the number of times the charging of the battery is detected by the detecting means, and the step of estimating includes a case where the number of times counted by the counting step coincides with a predetermined value. The charge management method according to claim 16, wherein it is estimated that the wearable terminal needs to be charged. The connection information includes a connection time between the wearable terminal and the information terminal device, and the step of estimating does not require charging the wearable terminal when the connection time is equal to or less than a predetermined value. The charge management method according to claim 17 or 18, which is estimated. The connection information includes a date and time when charging of the battery is detected by the detecting means, and the step of estimating is when an interval between the latest date and time when the charging of the battery is detected and the date and time immediately before is detected is equal to or less than a certain value. The charge management method according to any one of claims 17 to 19, wherein the wearable terminal is estimated not to be charged.

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