JP4900871B2 - Mobile device and program thereof - Google Patents

Description

  The present invention relates to a mobile device and a program thereof, and more particularly, to a mobile device and a program thereof that predict battery exhaustion in advance.

Conventionally, in a portable device, for example, a digital camera, the remaining battery level is displayed as a percentage (for example, 30% remaining battery level) to notify the user of the remaining battery level and the remaining battery level is constant. A warning was issued to prompt charging, etc.
However, this notification does not actually know how long the battery will run out, and even if you are warned to charge the battery while in use, the mobile device is carried around, so you can charge it when you are away from home. I couldn't.
In order to solve such a problem, learning of the temporal variation of the past battery usage is performed, and an alarm warning is given that the charge is cut off a predetermined time before the battery runs out (for example, one day before) from the learning result. Technology has been developed (Patent Document 1).

JP Patent Publication No. 2001-176562

  However, according to the technique described in Patent Document 1, when the user is using in such a manner that there is regularity in time, it is possible to predict the time of battery exhaustion relatively accurately. If this is not the case, the prediction accuracy will drop considerably, and the alarm warning will not be useful at all.

  Therefore, the present invention has been made in view of such conventional problems, and an object of the present invention is to provide a portable device capable of accurately predicting battery exhaustion in advance for irregular use by a user, and its program. And

In order to achieve the above object, a portable device according to claim 1 is a portable device having a plurality of types of usage elements,
Storage control means for storing the usage status for each use element in the storage means as a history;
An acquisition means for acquiring the current remaining battery capacity;
Predicting means for predicting in advance the battery exhaustion based on the usage status history stored by the storage control means and the remaining battery level acquired by the acquiring means;
Informing means for informing the prediction result by the predicting means,
Comprising recording means for recording power consumption for each of the use elements,
The prediction means includes
The battery exhaustion is predicted in advance on the basis of the power consumption for each use element recorded by the recording means .

Further, for example, as described in claim 2, a function selection unit that selects any one of a plurality of types of functions is provided,
The prediction means includes
Furthermore, the battery exhaustion may be predicted in advance based on a use element corresponding to the function selected by the function selection means.

In order to achieve the above object, a mobile device according to claim 3 is a mobile device having a plurality of types of use elements,
Storage control means for storing the usage status for each use element in the storage means as a history;
An acquisition means for acquiring the current remaining battery capacity;
Predicting means for predicting in advance the battery exhaustion based on the usage status history stored by the storage control means and the remaining battery level acquired by the acquiring means;
Informing means for informing the prediction result by the predicting means,
The storage control means
The usage history for each use element includes the number of shots for each date, day of the week, and time zone, the time in the still image mode, the time in the through state in the still image shooting mode, the number of shots in the still image shooting mode, and the movie mode. State time, through state in movie shooting mode, recording time in movie shooting mode, preview display time, still image playback time, movie playback time, slide show time, time from power off to next power on, number of activations Further, at least one element among the interval, time, the number of images, and the number of half shutters is stored .

For example, as described in claim 4 , the storage control unit includes:
The use time for each use element is also stored in the storage means as a history,
The prediction means includes
You may make it estimate the time when a battery runs out also considering the use time memorize | stored in the said memory | storage means.

For example, as described in claim 5 , the storage control unit includes:
The charging time is also stored in the storage means as a history,
The prediction means includes
You may make it estimate the time when a battery runs out in consideration of the charge time memorize | stored in the said memory | storage means.

Further, for example, as described in claim 6 , a user has a registration unit for registering a schedule,
The prediction means includes
Based on the schedule registered by the registration means, the time when the battery will run out may be predicted in advance.

For example, as described in claim 7 , the prediction unit includes:
The time when the battery will run out may be predicted in advance based on the history of usage status of each past usage element registered by the registration means and the registered future schedule.

To achieve the above object, the portable device according to the invention described in claim 8 is a registration means for a user to register a schedule for managing schedules of various events including drinking parties and trips ,
An acquisition means for acquiring the remaining amount of the battery;
A predicting unit that predicts in advance the battery exhaustion based on the schedule registered by the registering unit and the remaining amount of the battery acquired by the acquiring unit;
Informing means for informing the prediction result by the predicting means,
It is provided with.

In order to achieve the above object, the portable device according to the invention described in claim 9 includes an acquisition means for acquiring the remaining amount of the battery,
Storage control means for storing the charging time of the battery in the storage means as a history;
Prediction means for predicting in advance the battery exhaustion based on the remaining battery level acquired by the acquisition means and the charging time of the battery stored by the storage control means;
Informing means for informing the prediction result by the predicting means,
It is provided with.

For example, as described in claim 10 , the notification means
At least one or more means among a sound emitting means for notifying a prediction result by emitting a sound, a light emitting means for notifying a prediction result by causing a light emitter to emit light, and a display means for notifying by displaying a prediction result May be included.

For example, as described in claim 11 , the notification means
You may make it alert | report before the fixed time when the said battery runs out based on the prediction result by the said prediction means.

In order to achieve the above object, a program according to a twelfth aspect of the invention is a program for executing a portable device including a plurality of types of usage elements and a recording unit that records power consumption for each usage element. And
A storage process for storing the usage status for each usage element in a storage medium as a history;
An acquisition process to acquire the current battery level,
A prediction process for predicting in advance the battery exhaustion based on the history of usage by use element stored by the storage process and the remaining battery level acquired by the acquisition process;
A notification process for notifying a prediction result by the prediction process;
Including
The prediction process includes
The battery exhaustion is predicted in advance based on the power consumption for each use element recorded in the recording unit .

In order to achieve the above object, a program according to the invention described in claim 13 is a program for executing a portable device having a plurality of types of use elements,
A storage process for storing the usage status for each usage element in a storage medium as a history;
An acquisition process to acquire the current battery level,
A prediction process for predicting in advance the battery exhaustion based on the history of usage by use element stored by the storage process and the remaining battery level acquired by the acquisition process;
A notification process for notifying a prediction result by the prediction process;
Including
The storing process is
The usage history for each use element includes the number of shots for each date, day of the week, and time zone, the time in the still image mode, the time in the through state in the still image shooting mode, the number of shots in the still image shooting mode, and the movie mode. State time, through state in movie shooting mode, recording time in movie shooting mode, preview display time, still image playback time, movie playback time, slide show time, time from power off to next power on, number of activations In addition, at least one element among the interval / time / number of images to be deleted and the number of half shutters is stored.
To achieve the above object, a program according to the invention described in claim 14 is a registration process for registering a schedule for schedule management of various events including a user's drinking party and a trip ,
An acquisition process to acquire the remaining battery level,
Based on the schedule registered by the registration process and the remaining amount of the battery acquired by the acquisition process, a prediction process for predicting battery exhaustion in advance,
A notification process for notifying a prediction result by the prediction process;
And is executed by a computer.

In order to achieve the above object, a program according to the invention described in claim 15 is an acquisition process for acquiring a remaining battery level;
A storage process for storing the charging time of the battery in a storage medium as a history;
Prediction processing for predicting in advance the battery exhaustion based on the remaining amount of battery acquired by the acquisition processing and the charging time of the battery stored by the storage processing;
A notification process for notifying a prediction result by the prediction process;
And is executed by a computer.

According to the present invention, easy simply can predict exhaustion battery in advance, also it is possible to cope with for the use of irregular users.

Hereinafter, the present embodiment will be described in detail with reference to the drawings as an example in which the portable device of the present invention is applied to a digital camera.
[Embodiment]
A. Configuration of Digital Camera FIG. 1 is a block diagram showing a schematic electrical configuration of a digital camera 1 that implements the portable device of the present invention.
The digital camera 1 includes a photographing lens 2, a lens driving block 3, a CCD 4, a TG (timing
generator) 5, unit circuit 6, CPU 7, DRAM 8, memory 9, sub-microcomputer 10, key input unit 11, power supply circuit 12, battery 13, flash memory 14, and image display unit 15.

  The photographing lens 2 includes a focus lens and a zoom lens (not shown), and a lens driving block 3 is connected thereto. The lens driving block 3 includes a focus motor and a zoom motor that drive a focus lens and a zoom lens (not shown) in the optical axis direction, and a focus motor that drives the focus motor and the zoom motor in the optical axis direction according to a control signal from the CPU 7, respectively. It consists of a driver and a zoom motor driver.

The CCD 4 converts the light of the subject projected through the photographing lens 2 into an electrical signal and outputs it as an imaging signal to the unit circuit 6. The CCD 4 is driven according to a timing signal having a predetermined frequency generated by the TG 5. A unit circuit 6 is connected to TG5.
The unit circuit 6 includes a CDS (Correlated Double Sampling) circuit that holds the imaging signal output from the CCD 4 by correlated double sampling, an AGC (Automatic Gain Control) circuit that performs automatic gain adjustment of the imaging signal after the sampling, The A / D converter converts the analog image pickup signal after the automatic gain adjustment into a digital signal. The image pickup signal of the CCD 4 is sent to the CPU 7 as a digital signal through the unit circuit 6.

The CPU 7 performs image processing of the image data sent from the unit circuit 6 (pixel interpolation processing, γ correction, generation of luminance color difference signal, white balance processing, exposure correction processing, etc.), compression / decompression of image data (for example, JPEG This is a one-chip microcomputer that has a function of performing processing such as compression / decompression of a format or MPEG format and controls each part of the digital camera 1.
In particular, the CPU 7 has a function of predicting in advance when the battery will run out by calculating how much power is consumed by the use of the currently used function.
The DRAM 8 is used as a buffer memory for temporarily storing image data sent to the CPU 7 after being imaged by the CCD 4 and also as a working memory for the CPU 7.

The sub-microcomputer 10 has a function of controlling the power supply circuit 12, acquiring a battery voltage value of the battery 13, an operation signal from the key input unit 11, and the like and outputting the operation signal to the CPU 7. The sub-microcomputer also includes a clock circuit that measures time, and the clock circuit also has a function as a clock.
The key input unit 11 includes a plurality of operation keys such as a power On / Off key, a shutter button, a mode switching key, a menu key, a SET key, and a cross key, and sends an operation signal to the sub-microcomputer 10 according to a user's key operation. Output.
The power supply circuit 12 outputs the voltage to the sub-microcomputer 10 after stabilizing the voltage of the battery 13 to a voltage necessary for a supply target such as the sub-microcomputer 10 or the CPU 7. The power supply circuit 12 causes the voltage of the battery 13 to become a stable voltage in accordance with a control signal from the sub-microcomputer 10.

The flash memory 14 is a recording medium that stores image data captured by the CCD 4.
The image display unit 15 includes a color LCD and its driving circuit, displays a battery setting menu and a remaining battery level, and displays a subject imaged by the CCD 4 as a through image when in a shooting standby state.

The memory 9 is a non-volatile storage memory, in which a program necessary for controlling each part of the digital camera 1 by the CPU 7 and data necessary for controlling each part are recorded, and the CPU 7 performs processing according to this program. .
Further, the memory 9 includes a usage history storage area that stores a history of usage status of usage elements, and a power consumption table that stores power consumption for each usage element. In this usage history storage area, the usage status of the used elements used and the use time when the used elements are used are also stored.

FIG. 2A is a diagram for explaining types of used elements.
The types of elements used include the number of shots for each date, day of the week, and time period, the still image mode time indicating the time in the still image shooting mode, and the through image display state time in the still image shooting mode. Still image mode through state time, still image mode capture number indicating the number of still image shots in still image shooting mode, half shutter number indicating the number of times half-shuttered, still image mode indicating the preview display time after still image shooting Preview display time, movie mode time showing the time in movie shooting mode, movie mode through state time showing through image display state in movie shooting mode, movie shooting (recording) time in movie shooting mode Movie mode recording time, movie mode showing preview display time after movie shooting Preview display time, still image playback time indicating still image playback time, movie playback time indicating movie playback time, slide show playback time indicating slide show playback time, time from power-off to next startup The power off interval shown, the number of activations showing the number of activations for a certain period of time, the interval, time, number of images etc. until the deletion of the shot image showing whether to delete images all at once or not at all, etc. is there.

The CPU 7 stores the usage status of the usage elements used in the usage history storage area of the memory 9 as a history according to the usage status of the user.
FIG. 3 shows the state of use of the use elements stored in the use history storage area. As can be seen from the figure, the still image shooting mode was set at 19:08 on Friday, February 7, 2006, and in 60 minutes, through image display was 54 minutes, and the number of still images was 36. When the preview display is performed for 3 minutes, as the usage history of the used element, the still image mode time: 60 minutes, of which, the through state time: 54 minutes, the number of captured images is 36, the number of times half-shuttered: 21 times, the preview Display time: 3 minutes, and stored as 06/2/7 (Friday) 19:08 as the date and day of the week (use time) set in the still image shooting mode. The number of times half-shuttered is the number of times the shutter button was half-pressed, and does not include the case where the shutter button was fully pressed at once. The shutter button was half-pressed and then the shutter button was fully pressed. In other cases, the shutter button is simply pressed halfway and then released.

When the still image shooting mode is newly set, the still image shooting mode time, the through state time, the number of captured images, the preview time, and the use time are stored.
The usage history storage area also has an area for storing the usage time and the average number of times of use of each usage element. When the CPU 7 stores the usage status of the new usage element as a history, An average value of used elements is newly calculated and stored.
In the usage history storage area, the charging time of the battery 13 of the digital camera 1 is also stored as a usage history.
Needless to say, not only in the still image shooting mode, but also when other usage elements (video shooting mode, power on / off, image deletion, etc.) as shown in FIG. It is memorized as a usage history.

FIG. 2B is a diagram for explaining the power consumption by use element.
As power consumption by use element, power consumption by the number of shots indicating power consumption in one still image shooting, power consumption by shooting time indicating power consumption in recording in a certain time unit, and through image display in a certain time unit Power consumption by through display showing power consumption, power consumption by playback time / number of pictures showing power consumption in image playback of a certain time unit / number of sheets, power consumption by activation showing power consumption at one activation, in a certain time unit Self-discharge indicating power consumption of self-discharge, power consumption due to deletion of photographed image indicating power consumption when one image is deleted, power consumption at half time indicating power consumption at one half shutter, etc. .
The memory 9 stores in the memory 9 a table that stores the power consumption by use element described above.
The power consumption for each use element is a unique value of the digital camera 1.

B. Operation of Digital Camera 1 The operation of the digital camera 1 in the first embodiment will be described with reference to the flowchart of FIG.

When the user turns on the power by operating the power On / Off key of the key input unit 11 and any function is selected by the user, the CPU 7 determines the voltage value of the battery 13 via the power circuit 12 and the sub-microcomputer 10. To obtain the remaining battery level of the battery 13 (step S1). When the power is turned on, the digital camera 1 uses any function.
Next, the CPU 7 acquires the type of function currently in use (step S2). For example, when the still image shooting mode is set, information indicating that the still image shooting mode is set is acquired.

Next, the CPU 7 obtains an average value of the usage history of the usage status of the usage elements corresponding to the type of function currently in use from the usage history storage area of the memory 9 (step S3). Here, since the still image shooting mode is set, average values of the still image mode time, the through state time at that time, the number of captured images, the number of half shutters, the preview time, and the like are acquired. Here, the still image mode time: 70 minutes, the through state time: 52 minutes, the number of captured images: 31, the number of half shutters: 25 times, and the preview time: 4 minutes are stored as average values. Will be acquired. The average value of the usage status of the obtained usage elements is assumed to be the usage status of the usage factors used by the current usage.
In addition, although the average value of the usage history of the usage elements is stored in the usage history storage area in advance, the average of the usage history of the usage elements is stored at the timing of executing the process of step S3 without storing the average value. A value may be calculated and acquired.

Next, the CPU 7 predicts the power consumed by the current use from the power consumption table using the acquired average value of the usage history of the used elements (step S4).
In other words, from the usage history of past usage elements, it can be understood how much the user will use in the future, and the average value of the past usage history is regarded as the usage status of the usage elements used by this usage, The power consumed by this use is predicted.

Next, the CPU 7 determines whether or not the battery will run out due to the current use (step S5).
This determination is made based on the predicted power consumption and the remaining battery level acquired in step S1. If the power consumption is greater than the remaining battery level, it is determined that the battery will run out.
If it is determined that the battery will not run out due to current use, the CPU 7 stores the remaining battery level (hereinafter referred to as the predicted remaining battery level) obtained by subtracting the predicted power consumption from the remaining battery level acquired in step S1. 9

If it is determined in step S5 that the battery will run out, the CPU 7 informs that the battery will run out (warning) (step S6), and proceeds to step S12. As this notification, the image display unit 15 displays the content that the battery will run out or the content that prompts charging, such as “If used as usual, the battery will run out.
In addition, based on the power consumption estimated at step S4 and the remaining battery level acquired at step S1, the time when the battery will run out may be predicted and the time may be notified.

  On the other hand, if it is determined in step S5 that the battery does not run out, the CPU 7 is considered to be used by future users based on the usage status history by usage factor stored in the usage history storage area and the usage timing. A usage schedule of the digital camera 1 is created by estimating the usage status of the usage elements (step S7). Here, it is assumed that Monday is 8:20 pm.

This usage element is often used from what time of day to what time, and from what time of day to what time of use, based on the history of usage by each past use element and the time of use. Information is obtained.
For example, the still image shooting mode is often used on Tuesday and Friday nights and Saturday days, and the still image playback mode is often used on Saturday nights. Information is often obtained, frequently deleted at once, or not deleted at all, and based on the obtained information, the usage schedule of functions that are expected to be used in the future is estimated. create.

FIG. 5 is a diagram showing the contents of the created use schedule.
The black portion in FIG. 5 is a portion where the digital camera 1 is predicted to be used.
As can be seen from FIG. 5, on Tuesday night, the still image shooting mode is mainly set for 100 minutes (including still image mode through state time: 88 minutes, still image mode capture number: 72, still image mode preview (Time: 6 minutes, etc.), Wednesday night is mainly set to 40 minutes video recording mode (including video mode through state time: 7 minutes, video recording time: 30 minutes, video mode preview time: 3 minutes) On Friday night, the still image shooting mode is mainly set for 120 minutes (including still image mode through state time: 102 minutes, still image mode capture number: 108 sheets, still image mode preview time: 9 minutes, etc. On Saturdays, it is mainly set to 120 minutes still image shooting mode (including still image mode through state time: 104 minutes, still image mode capture number: 96, still image mode setting) View Time: 8 minutes, etc. is), mainly still image playback Saturday nights (1.5), the image deletion (20 sheets) is it is presumed that performed.

Next, the CPU 7 determines whether or not a future schedule is registered by the user (step S8). The user can register the time to use the digital camera 1 in the schedule registration mode. As contents that can be registered, for example, a schedule such as “February 17 (Friday), drinking party”, “February 25 and 26 (Saturday, Sunday), travel” can be registered.
If it is determined in step S8 that no future schedule is registered, the CPU 7 predicts the time when the battery will run out based on the created use schedule, the estimated remaining battery level, and the charging time (step S9). Proceed to S11. Here, the estimated remaining battery capacity is set to 35% (100% when fully charged).

  More specifically, first, the power consumption at each scheduled use time is calculated based on the use schedule. For example, the power consumed depending on the usage status (still image mode through state time: 88 minutes, still image mode capture number: 72, etc.) used on Tuesday night, usage elements used on Wednesday night Power consumption depending on the usage status (movie mode through state time: 7 minutes, video recording time: 30 minutes, etc.), usage status of usage elements used on Friday night (still image mode through state time: 102 minutes, Depending on the power consumed by the still image mode capture number (108, etc.) and the usage conditions of the elements used on Saturday noon (still image mode through state time: 104 minutes, still image mode capture number: 96, etc.) Calculate the power consumed.

Here, Tuesday night power consumption is about 10%, Wednesday night power consumption is about 5%, Friday night power consumption is about 13%, Saturday daytime power consumption is about 14%, Sunday daytime power consumption is 8%. % Calculated.
Further, the battery charging time is predicted from the battery charging time stored in the use history storage area. In other words, the time when charging is expected in the future is predicted from the history of the past charging time.
Then, based on the power consumption and the charging time at each scheduled use time, a time when the battery runs out (a time when the predicted battery level runs out) is predicted.

For example, if the battery charging time is predicted to be Saturday night, out of the estimated remaining battery level of 35%, Tuesday night power consumption is about 10%, Wednesday night power consumption is about 5%, Friday night Therefore, it is predicted that the battery will run out during use at noon on Saturday. Also, if the battery charging time is predicted to be Saturday morning, the battery will not run out during use on Saturday noon. In this case, it is also possible to predict the time when the predicted remaining battery level is exhausted in consideration of the charging. In addition, information (100% charged, 80%, 20%, etc.) indicating how much is charged with the charging time is also stored in the usage history storage area, and how much is charged by the charging with the charging time. It is also possible to predict the time when the battery will run out.
If it is predicted that the battery will be charged before the predicted battery level runs out, the time when the battery runs out may not be predicted. This is because it is not known how much battery capacity can be stored by charging.
When the current usage and the created usage schedule conflict (overlap), the current usage is prioritized and the power consumption is calculated.

On the other hand, if it is determined in step S8 that a future schedule is registered by the user, a time when the battery will run out is predicted based on the created usage schedule and the registered schedule (step S10). Proceed to S11.
The method of calculating the power consumption at each scheduled use time based on the created usage schedule is the same as in step S9, but the method of calculating the power consumption of the schedule registered by the user is the usage status for each usage element based on the past schedule. Based on the above, power consumption is calculated by inferring the usage status for each usage element to be used in the future schedule.

For example, if a past year schedule is registered as Friday year-end party or Saturday and Sunday trip, if a future party is registered as a drinking party or trip, the future schedule will be based on the usage status of the past used year-end party. The electric power consumed for the use of the year-end party is calculated, and the electric power consumed by the use of the future trip is calculated based on the usage situation for each usage element used in the past trip.
Then, based on the calculated power consumption schedule, the power consumption based on the registered schedule, the predicted remaining battery level, and the charging time, the time when the battery will run out is predicted.

If the created use schedule and the registered schedule conflict (overlap), the registered schedule is prioritized. For example, when a drinking party is registered on Friday night, it conflicts with the usage schedule (see FIG. 5). In this case, the registered schedule is given priority to calculate power consumption. Further, when the registered schedule and the current use conflict, the power consumption is calculated giving priority to the current use.
Further, in step S10, without using the created use schedule (you do not need to create a use schedule), it is possible to predict when the battery will run out based only on the registered future schedule. Good.

In step S11, the CPU 7 stores in the memory 9 the predicted time when the battery will run out, and then proceeds to step S12. In this case, if the time when the battery runs out is already stored, it is overwritten and stored.
Note that the CPU 7 issues in advance a warning that the battery is to be discharged or a warning that the battery is to be discharged before a certain time before the predicted battery is dead (for example, one day before or five hours ago). The content of this warning may be varied depending on the time of warning. For example, if it is 2 days ago, warn "Please charge soon", if it is 1 day ago, warn "Please charge", and if it is 5 hours ago, "Please charge!" You may do it. In addition, the warning is not limited to one time, for example, a warning is given on the second day of the time when the battery runs out. If the battery is still not charged, a warning is given one day in advance. If the battery is still not charged, a warning is given five hours ago. In this way, warnings may be given step by step.
Also, the warning time may be when the digital camera 1 is powered on or when the digital camera 1 is powered off.
Further, instead of alarming only at a certain timing, the time when the battery runs out or the time until the battery runs out may be displayed at all times.

In step S12, the CPU 7 determines whether the function has been changed by the user, that is, whether the selection has been changed from the currently selected function to another function. This determination is made as to whether or not an operation signal corresponding to the selection of another function has been sent from the key input unit 11.
If it is determined in step S12 that the function has been changed, the process returns to step S1 and remains in step 12 until it is determined that the function has not been changed.
When the power is turned off, the above process is terminated.

C. As described above, in the embodiment, according to the type of function that is currently in use, it is determined whether the battery will run out due to the current use, and if the battery runs out, a notification is made in advance. Even when the user uses irregularly in time, it is possible to predict and notify in advance that the battery has run out.
In addition, since the power consumption due to the current usage is calculated based on the usage status of each type of usage element and the power consumption of each usage element, it is easier to process than storing temporal fluctuations in power consumption. Become.
In addition, since the power consumption table storing the power consumption for each used element is provided, the power consumed according to the current usage status can be easily obtained.

In addition, if it is determined that the battery will not run out due to the current use, a future use schedule is created based on the use situation and the use time for each use element, and the created use schedule and the calculated prediction Based on the remaining battery level and the charging time, the time when the battery will run out is predicted and notified in advance, so even if the user uses the time irregularly, the battery runs out in advance. Prediction and notification can be made.
For example, even when the digital camera 1 is used on a day of the week or time that is not always used, it is possible to predict when the battery runs out in consideration of the type of function currently in use.
In addition, if a future schedule is registered by the user, the time when the battery will run out is predicted in consideration of the registered schedule in addition to the created usage schedule, so the time when the battery runs out is accurately predicted. be able to.

[Modification]
D. Each of the above embodiments can be modified as follows.
(1) In the above-described embodiment, a warning that the battery has run out or a warning that prompts charging is displayed on the image display unit 15. However, other methods may be used. For example, the digital camera 1 has a built-in speaker and warns the user by emitting sound or sound from the speaker, or includes a light emitter such as an LED, and emits the light emitter to the user. A warning may be given, or a combination of these may be given.

(2) In the above embodiment, the usage status for each usage element is stored as a history, and the power consumption is predicted (calculated) using the stored usage history and the power consumption table. Instead of storing the usage status for each used element as a history, the power consumption for each used element may be stored as a history. In this case, the power consumption for each use element is stored, and the date, day of the week, and use time are stored together.
In this case, as a method of storing the battery reduction degree for each use element, the battery 13 may be checked and the reduction degree may be stored as it is (in this case, the power consumption table is not necessary). Alternatively, it is possible to calculate the degree of power reduction (power consumption) from the usage status for each usage element and the power consumption table, and store the calculated power consumption as a history.

(3) Also, in the above embodiment, based on the type of function currently in use and the created use schedule that is expected to be used in the future (including the registered schedule if registered) To predict when the battery will run out, but without considering the type of function currently in use, the created usage schedule that is expected to be used in the future (if registered, the registered schedule) It is also possible to predict when the battery will run out based only on the
Conversely, it is also possible to predict battery exhaustion in advance based only on the type of function currently in use (without considering the use schedule or registered schedule).

(4) Further, in the above embodiment, based on the type of function currently in use and the created usage schedule, the time when the battery runs out is simply predicted and notified, but the time is predicted. Instead of notifying, if the battery runs out at a time when use is scheduled (in use) according to the created use schedule, a notification that the current use is refrained may be given.
For example, referring to the usage schedule of FIG. 5, if it is predicted that the battery will run out during use on Saturday noon, the current function is set so that the battery does not run out during use on Saturday noon. It is possible to prevent the battery from running out during the daytime use on Saturday by informing the user that he / she will refrain from using it.

  (5) In addition, the digital camera 1 in each of the above embodiments is not limited to the above embodiment, and may be a mobile phone, a PDA with a camera, a notebook computer, an IC recorder, a digital video camera, In short, any electronic device that can be carried and carried can be used.

1 is a block diagram of a digital camera according to an embodiment. It is a figure for demonstrating the kind of use element and the power consumption according to use element. It is a figure which shows the mode of the usage condition of the usage element memorize | stored in the usage log storage area. It is a flowchart which shows operation | movement of the digital camera 1 of embodiment. It is a figure which shows the content of the created schedule.

Explanation of symbols

1 Digital Camera 2 Shooting Lens 3 Lens Drive Block 4 CCD
5 Vertical driver 6 Unit circuit 7 CPU
8 DRAM
9 Memory 10 Sub-microcomputer 11 Key input unit 12 Power supply circuit 13 Battery 14 Flash memory 15 Image display unit

Claims (15)

A mobile device with multiple types of usage elements,
Storage control means for storing the usage status for each use element in the storage means as a history;
An acquisition means for acquiring the current remaining battery capacity;
Predicting means for predicting in advance the battery exhaustion based on the usage status history stored by the storage control means and the remaining battery level acquired by the acquiring means;
Informing means for informing the prediction result by the predicting means,
Comprising recording means for recording power consumption for each of the use elements,
The prediction means includes
A portable device characterized in that the battery exhaustion is predicted in advance on the basis of the power consumption for each use element recorded by the recording means . A function selecting means for selecting any one of a plurality of types of functions;
The prediction means includes
2. The portable device according to claim 1, further comprising: predicting in advance the battery exhaustion based on a use element corresponding to the function selected by the function selection unit. A mobile device with multiple types of usage elements,
Storage control means for storing the usage status for each use element in the storage means as a history;
An acquisition means for acquiring the current remaining battery capacity;
Predicting means for predicting in advance the battery exhaustion based on the usage status history stored by the storage control means and the remaining battery level acquired by the acquiring means;
Informing means for informing the prediction result by the predicting means,
The storage control means
The usage history for each use element includes the number of shots for each date, day of the week, and time zone, the time in the still image mode, the time in the through state in the still image shooting mode, the number of shots in the still image shooting mode, and the movie mode. State time, through state in movie shooting mode, recording time in movie shooting mode, preview display time, still image playback time, movie playback time, slide show time, time from power off to next power on, number of activations , interval, time, number of image deletion, mobile devices you and to store at least one or more elements of the half-shutter times. The storage control means
The use time for each use element is also stored in the storage means as a history,
The prediction means includes
The portable device according to any one of claims 1 to 3, wherein a time when the battery runs out is predicted in consideration of a use time stored in the storage means. The storage control means
The charging time is also stored in the storage means as a history,
The prediction means includes
The portable device according to any one of claims 1 to 4, wherein a time when the battery runs out is predicted in consideration of a charging time stored in the storage means. A registration means for the user to register the schedule;
The prediction means includes
On the basis of the registration means by registered schedule, the portable device according to any one of claims 1 to 5, characterized in that to predict in advance the time when the battery expires. The prediction means includes
Using elemental the usage history of past schedules registered by the registration means, and claims based on the future schedule is registered, characterized in that to predict in advance the time when the battery runs out 6 The portable device described. A registration means for the user to register a schedule for schedule management of various events including drinking parties and trips ;
An acquisition means for acquiring the remaining amount of the battery;
A predicting unit that predicts in advance the battery exhaustion based on the schedule registered by the registering unit and the remaining amount of the battery acquired by the acquiring unit;
Informing means for informing the prediction result by the predicting means,
A portable device comprising:
An acquisition means for acquiring the remaining amount of the battery;
Storage control means for storing the charging time of the battery in the storage means as a history;
Prediction means for predicting in advance the battery exhaustion based on the remaining battery level acquired by the acquisition means and the charging time of the battery stored by the storage control means;
Informing means for informing the prediction result by the predicting means,
A portable device comprising: The notification means includes
At least one or more means among a sound emitting means for notifying a prediction result by emitting a sound, a light emitting means for notifying a prediction result by causing a light emitter to emit light, and a display means for notifying by displaying a prediction result portable device according to any one of claims 1 to 9, characterized in that it comprises a. The notification means includes
On the basis of the prediction result by the prediction unit, the portable device according to any one of claims 1 to 10, characterized in that to inform the predetermined time before the battery runs out. A program for executing a portable device including a plurality of types of usage elements and a recording unit that records power consumption for each usage element ,
A storage process for storing the usage status for each usage element in a storage medium as a history;
An acquisition process to acquire the current battery level,
A prediction process for predicting in advance the battery exhaustion based on the history of usage by use element stored by the storage process and the remaining battery level acquired by the acquisition process;
A notification process for notifying a prediction result by the prediction process;
Including
The prediction process includes
The program for predicting the battery exhaustion in advance on the basis of the power consumption for each use element recorded in the recording unit . A program for executing a mobile device having multiple types of usage elements,
A storage process for storing the usage status for each usage element in a storage medium as a history;
An acquisition process to acquire the current battery level,
A prediction process for predicting in advance the battery exhaustion based on the history of usage by use element stored by the storage process and the remaining battery level acquired by the acquisition process;
A notification process for notifying a prediction result by the prediction process;
Including
The storing process is
The usage history for each use element includes the number of shots for each date, day of the week, and time zone, the time in the still image mode, the time in the through state in the still image shooting mode, the number of shots in the still image shooting mode, and the movie mode. State time, through state in movie shooting mode, recording time in movie shooting mode, preview display time, still image playback time, movie playback time, slide show time, time from power off to next power on, number of activations A program characterized by storing at least one element among an image deletion interval, time, number of sheets, and number of half shutters. A registration process for registering a schedule for schedule management of various events including a user's drinking party and travel ;
An acquisition process to acquire the remaining battery level,
Based on the schedule registered by the registration process and the remaining amount of the battery acquired by the acquisition process, a prediction process for predicting battery exhaustion in advance,
A notification process for notifying a prediction result by the prediction process;
A program characterized by being executed by a computer.
An acquisition process to acquire the remaining battery level,
A storage process for storing the charging time of the battery in a storage medium as a history;
Prediction processing for predicting in advance the battery exhaustion based on the remaining amount of battery acquired by the acquisition processing and the charging time of the battery stored by the storage processing;
A notification process for notifying a prediction result by the prediction process;
A program characterized by being executed by a computer.

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