JP5446999B2 - Portable terminal device and display control method in portable terminal device - Google Patents

Description

  The present invention relates to a mobile terminal device such as a mobile phone, and more particularly to a mobile terminal device that enables reduction of power consumption.

  2. Description of the Related Art Recent mobile terminal devices such as mobile phones have a structure that can be opened and closed such as a folding type, a slide type, and a revolver type. For example, the cellular phone shown in FIG. 4 is an example of a folding type, and as shown in FIG. 4A, the cellular phone includes an upper (display side) casing 20a and a lower side (operation unit side). The casing 20b is connected to the casing 20b via a hinge portion 20c so that the casing 20b can be expanded and closed (openable and closable). In use, the two casings 20a and 20b are developed (opened) in the direction of the arrow by the hinge portion 20c. FIG. 4B shows a state where the housings 20a and 20b are closed (closed).

These portable terminal devices operate with electric power stored in the storage battery. For this reason, most portable terminal devices have an open / close detection function for turning on / off the screen display of the display unit in order to reduce power consumption. However, this open / close detection function is limited to a process of turning on the screen display when detecting an opening operation (open state) of the housing and turning off when detecting a closing operation (closed state).
However, depending on the user, it may be assumed that a meaningless opening / closing (opening / closing that does not require a screen display) is repeated continuously for reasons such as being unhandled or obscured. There has been a problem that power consumption is repeated due to screen display.

A related portable terminal is disclosed in Patent Document 1. An object of this mobile terminal device is to provide a mobile terminal that can be smoothly started up while suppressing an increase in power consumption. For this purpose, the opening / closing detection means for detecting opening / closing of the portable terminal, the power supply means for increasing / decreasing the power supply to the CPU, the time acquisition means for acquiring time information, and the opening / closing detection means Control means for controlling the power supply means to start increasing or decreasing the power supply according to the time information acquired by the time acquisition means (paragraph numbers 0013 and 0022). ).
However, the portable terminal described in Patent Document 1 acquires time information on the opening / closing state of the portable terminal, controls power supply to the CPU, and attempts to suppress power consumption in the portable terminal device. As in the invention of the present application, the timing information at the time of opening and closing the portable terminal device (more precisely, the history information of the opening and closing time shorter than the predetermined display on threshold) is recorded, and the display on threshold is based on this recorded information It is not intended to reduce the power consumption by updating the screen to stop the screen display during opening and closing except during operation.

In addition, there are related information processing apparatuses and mobile communication terminal apparatuses (see Patent Document 2). The information processing device and the mobile communication terminal device described in Patent Document 2 are an openable and closable information processing device and a mobile device that cause a display device to display after a predetermined delay time when the upper and lower casings are changed to an open state. An object is to provide a communication terminal device. For this purpose, the control unit of the mobile communication terminal apparatus starts operation when the apparatus state is in the case closing control state and the upper and lower cases are opened, and the apparatus state is changed to the case opening detection state. To do. Then, the operation status of the device is checked, a set value corresponding to the status is searched, and when the set value elapses, control is performed so that the display device displays the device state as the housing opening control state. (Paragraph numbers 0025, 0058-0060).
However, in the information processing device and the mobile communication terminal device described in Patent Document 2, a set value is searched according to the operation status of the device (for example, waiting, receiving a voice call, etc.), and the set value has elapsed. In this case, the display device is controlled to perform display, and as in the present invention, timing information at the time of opening and closing of the mobile terminal device (more accurately, history information of opening and closing time shorter than a predetermined display ON threshold) It is not intended to reduce the power consumption by taking a record and updating the display-on threshold based on the recorded information to stop the screen display during opening / closing except during operation.

There is also a related portable information terminal (see Patent Document 3). In the portable information terminal described in Patent Document 3, the power saving control of the display such as lowering the backlight brightness is performed based on the key input interval of the user, without impairing the operability of the user. Power saving control is performed at an appropriate timing (paragraph numbers 0016 to 0019).
However, the portable information terminal described in Patent Document 3 records timing information (more accurately, history information of opening / closing time shorter than a predetermined display-on threshold) when opening / closing the portable terminal device, as in the present invention. Therefore, the display on threshold value is updated based on the recorded information, and the screen display at the time of opening / closing other than during the operation is stopped to reduce power consumption.

JP 2003-249890 A JP 2007-104412 A JP 2007-214628 A

  As described above, when a mobile phone such as a foldable type or a slide type is opened, the display on the display is always turned on in conjunction with it. When opening and closing which does not require screen display is repeated continuously, useless display is repeated and power is consumed accordingly.

In order to achieve the above object, the present invention includes an openable casing and a display unit that turns on a screen display when the casing is opened. After the time when the display-on threshold value has elapsed, the screen display is turned on, and the learning function is performed to update the display-on threshold value based on the history information of the opening / closing time of the case. Determining the elapsed time until the casing is opened this time, and operating the learning function when the elapsed time is equal to or shorter than a predetermined learning function start threshold. is there.

The present invention is also a display control method in a portable terminal device including an openable casing and a display unit that turns on a screen display when the casing is opened. The screen display is turned on after the elapse of a predetermined display on threshold time later , and the elapsed time is determined until the housing is opened this time after the housing was closed last time. A display control method in a portable terminal device, wherein a learning function for updating the display-on threshold value is performed based on history information of the opening / closing time of the housing when the time is equal to or less than a learning function start threshold value It is.

  In the mobile terminal device of the present invention, a display for recording the opening / closing timing of the casing of the mobile terminal device and turning on the screen display after a predetermined time has elapsed after opening the casing based on the recorded information. Since the on-threshold value is updated, it is possible to stop the screen display during opening / closing except when the button is operated. For this reason, the power consumption in the portable terminal device can be reduced.

It is a figure which shows the structure of the portable terminal device concerning embodiment of this invention. It is a timing chart for demonstrating operation | movement of the learning function in a portable terminal device. It is a flowchart which shows the flow of the display process in a portable terminal device. It is a figure which shows the example of a folding-type mobile phone.

  FIG. 1 is a diagram showing a configuration of a mobile terminal device according to an embodiment of the present invention. A mobile terminal device 1 shown in FIG. 1 is an example of a mobile phone, and shows a main part of its circuit configuration. In FIG. 1, the mobile terminal device 1 has a main control unit 10 composed of a CPU or the like, and this main control unit 10 is connected to each unit in the device via a bus BUS. Of these, the ROM 2 is a read-on-memory that stores various control programs to be executed by the main control unit 10 and fixed data such as characters. The RAM 3 is a random access memory that is used as a working memory when the CPU performs processing and also used as a memory that stores predetermined data. In addition, the CPU has a built-in timer (or counter) for performing a timing process described later. The RAM 3 may be built in the CPU.

  The operation unit 4 is an input unit that accepts key operations arranged on the lower surface of the mobile terminal device body (for example, the housing 20b shown in FIG. 4) and operations using an input interface such as a touch panel. The display unit 5 is disposed on the front surface of the mobile terminal device main body (for example, the housing 20a shown in FIG. 4), and is controlled by the main control unit 10 such as a monochrome or color liquid crystal panel or an organic EL (electrofluorescence). Display device.

  The casing opening / closing detection unit 6 is a circuit that detects opening / closing of a portable terminal device such as a folding type or a sliding type. Based on the opening / closing detection data by the casing opening / closing detection unit 6, the main control unit 10 displays the display unit 5. Is controlled. The notification unit 7 is a circuit that outputs a sound such as an incoming call. The wireless transmission / reception unit 8 modulates / demodulates a wireless signal to be transmitted / received, and exchanges signals with the base station by wireless communication.

  Further, as described above, the main control unit 10 has a CPU, and an open / close state timing unit 11, a learning function start threshold value determination unit 12, a display-on threshold value determination unit 13, and a learning function unit 14 are programmed by the CPU. And the function of the display control part 15 is implement | achieved.

  The open / closed state timer 11 has a first elapsed time (for example, a time Ta shown in FIG. 2) from when the portable terminal device (housing) is last opened (closed) until this time is opened (deployed). Reference) is measured, and this data is stored in the RAM 3. In addition, the open / close state timing unit 11 measures a second elapsed time which is a time from the time when the casing is opened this time to the present. Further, the open / close state timing unit 11 measures the time from the time when the case is opened to the time when the case is closed as the third elapsed time, and the third elapsed time is a display-on threshold value. When the time is equal to or lower than T0 (see, for example, T0, T2, T3, and T4 shown in FIG. 2), the time is measured and the data is stored in the RAM 3.

  The learning function start threshold value determination unit 12 determines whether or not the first elapsed time (for example, Ta) is equal to or less than the learning function start threshold value (for example, the learning function start threshold value Tg or less). Further, the display-on threshold value determination unit determines whether or not the second elapsed time (the time from the time when the casing is opened this time to the current time) exceeds the display-on threshold value T0.

  When the case is opened this time, the display control unit 15 determines that the first elapsed time (e.g., Ta) since the case was closed last time exceeds the learning function start threshold Tg ( Ta> Tg), immediately turn on the screen display. Further, when the first elapsed time (for example, Ta) is less than or equal to the learning function start threshold Tg (Ta <Tg), the display control unit 15 turns on the screen display after the elapse of the display on threshold T0.

  If the first elapsed time (for example, Ta) is less than or equal to the learning function start threshold Tg when the housing is opened, the learning function unit 14 performs the learning function (display on threshold T0). Update function) and the display on threshold value T0 based on the data of the third elapsed time (for example, T2, T3, T4, etc.) when the opening time of the casing is equal to or less than the display on threshold value T0. A learning process for updating the value is performed.

  As described above, screen display on / off when the casing of the mobile terminal device is opened / closed is basically only a simple process such as display on when an open state is detected and display off when a closed state is detected. In addition, the screen is displayed even when opening and closing that does not require display, and wasteful power is consumed. For example, when the portable terminal device 1 is held in the hand, the power consumption is increased by the number of times of opening and closing in the case where the opening and closing are repeated unconsciously and repeatedly.

  The portable terminal device 1 according to the present embodiment has a learning function for opening / closing operation. In this learning function, the opening / closing time is left as a log (record information), and the display after the portable terminal device 1 is opened. By calculating and learning the time until the unit 5 is turned on (display on threshold value T0) from the log, it is possible to reduce useless display.

  FIG. 2 is a timing chart for explaining the operation of this learning function. In the timing chart shown in FIG. 2, time is taken in the horizontal direction, and the on / off state of the display unit (screen) and the open / closed state (opening / closing timing) of the housing are shown side by side in the vertical direction.

  Referring to FIG. 2, at time t <b> 0, the housing open / close detection unit 6 detects an open state (open operation). Immediately thereafter, if any operation is performed by the operation unit 4, the screen of the display unit 5 is turned on. In addition, when an operation by the operation unit 4 is not performed after the housing open / close detection unit 6 detects an open state, at a time point (time t0 ′) when a time equal to or greater than a preset display on threshold value T0 has elapsed. The screen of the display unit 5 is turned on.

  After that, when the closed state of the casing is detected at time t1, and then the open state is detected again at time t2, the time Ta () since the previous display was turned off (the casing is closed). With reference to time t1 to t2), when a certain time (learning function start threshold Tg) has not elapsed since the previous display was turned off (Ta <Tg), the learning function for the display on threshold T0 is started.

And since the opening time T2 of the housing | casing between time t2-t2 'is shorter than the display ON threshold value T0 (T2 <T0), in this opening operation, the screen display of the display part 5 is turned off.
In addition, after the casing is closed at time t2 ′, when the open state is detected by the casing opening / closing detection unit 6 at time t3, the opening time of the casing between times t3 and t3 ′. Since T3 is shorter than the display on threshold value T0 (T3 <T0), the screen display is turned off even in this opening operation.
Similarly, even when the open state is detected by the case opening / closing detection unit 6 at time t4 after the case is closed at time t3 ′, the portable terminal between time t4 and time t4 ′. Since the opening time T4 of the device is shorter than the display-on threshold T0 (T4 <T0), the screen display is turned off even in this opening operation.

  As described above, when the opening / closing time of the casing of the portable terminal device is equal to or less than the display-on threshold T0 (in the case of the opening times T2, T3, T4), the times T2, T3, T4 are recorded in the RAM 3 each time. Do not display the screen. The recorded opening / closing times T2, T3, T4 are processed as learning data (update data) for updating the display-on threshold value T0 by the main control unit 10 each time it is recorded.

Note that the type of opening / closing detection function in the case opening / closing detection unit 6 is not particularly limited, and the calculation method of the display-on threshold value T0 is assumed to be an average of opening / closing times, but is arbitrary. In addition, if the learning function of the display-on threshold T0 is executed every time the mobile terminal device 1 is opened, there is a possibility that the screen display becomes inconvenient when it is necessary. In the detection of the open state, the learning function start threshold value Tg can be set to some extent in the time until it is displayed normally and the second open state is detected. When the second open state is detected in a time shorter than the learning function start threshold Tg, it is considered that display is unnecessary, and convenience can be maintained by executing the learning function.
Further, the learning function start threshold Tg until the second detection of the open state may be provided with the same learning function as the display on threshold T0. The learning function may be turned on / off as a user setting.

  FIG. 3 is a flowchart showing a flow of display processing in the mobile terminal device 1, and a process when the casing is opened and closed when the power saving function by opening and closing the casing is turned on (enabled). It is shown. In the flowchart shown in FIG. 3, it is assumed that the mobile terminal device 1 starts from a closed state (step S1).

With reference to FIG. 1, first, when the user opens the casing of the mobile terminal device 1, the casing open / close detection unit 6 causes the main control unit 10 to “open the mobile terminal device (housing)”. Is sent (step S2).
Subsequently, the process proceeds to step S3, where the learning function start threshold value determination unit 12 determines whether the learning function start condition is satisfied. In this determination process, in order to determine whether or not to start the learning function, a time Ta from when the previous display is turned off is referred to, and a certain time (learning function start threshold Tg) has passed since the previous display was turned off. If (Ta> Tg) (step S3: No), the screen display is performed assuming that the display unit 5 is used (step S10).

  On the other hand, if it is determined in step S3 that the learning function start condition is satisfied, that is, if the time Ta from when the previous display is turned off is shorter than the learning function start threshold Tg (Ta <Tg), S3: Yes), it is determined that the display unit 5 is not opened and closed, and the learning function is started (step S4). The learning function start threshold value Tg is set in advance, but the learning function start threshold value Tg is set by the main control unit 10 after the previous display is turned off. Using the time until the information “open” is received from the housing open / close detection unit 6, for example, an average value of the time during continuous opening / closing may be calculated and set as needed.

  When the learning function is started (step S4), the process proceeds to step S5. The mobile terminal device 1 turns on the screen display after the open state of the housing is detected, apart from the learning function start threshold Tg for determining the time since the previous display in step S3 was turned off (step S10). A time until display (display-on threshold T0) is set, and the display-on threshold determination unit 13 determines whether the open state of the housing has reached the display-on threshold T0. (Step S5).

If any operation is performed by the operation unit 4 before reaching the display-on threshold T0 (step S6: Yes), the screen display is immediately turned on (step S10), and this process is terminated.
If no button operation or the like is performed before reaching the display-on threshold value T0 (step S6: No), the process proceeds to step S7, and the casing open / close detection unit 6 causes the casing to be closed (closing operation). Is detected (step S7).
If it is determined in step S7 that the closed state (closed operation) of the housing has been detected (step S7: Yes), the process proceeds to step S8. Otherwise, the process returns to step S5.
If it is determined in the determination process of step S7 that the closed state (closed operation) of the casing has been detected (step S7: Yes), the process proceeds to step S8, and the opening / closing state timing unit 11 opens the casing. Is recorded in the RAM 3 (step S8). For example, the times T2, T3, and T4 shown in FIG. 2 are recorded.

  Based on the data recorded in the RAM 3, the display-on threshold value T0 is calculated and updated (step S9). For example, in the case shown in FIG. 2, a value obtained by calculating and doubling the moving average value by calculation such as (T2 + T3 + T4) ÷ 3 is set as the display on threshold value T0 and is recalculated every time the value changes. Defined in Then, it returns to step S2 and repeats the process mentioned above.

  By repeating the above-described processing, unnecessary current consumption is reduced by eliminating the screen display by simply opening and closing the screen display that has been turned on with all the casings open until now. be able to.

  In the above description of the embodiment, an example of a mobile phone as a mobile terminal device has been described. However, the mobile terminal device of the present invention is not limited to this. For example, it is a portable terminal device such as PHS (Personal Handy-phone System), PDA (Personal Data Assistance, Personal Digital Assistants). Any device that controls the display unit may be used. That is, if the device has an open / close detection function, a display screen, and a control unit for controlling the display screen, the present invention can be applied to reduce power consumption even when a useless open / close operation is performed. I can do it.

  Here, the correspondence between the present invention and the embodiment will be supplementarily described. The portable terminal device 1 in the present invention corresponds to the portable terminal device 1, and the casings correspond to the casings a and b (FIG. 4). Further, the display unit in the present invention corresponds to the display unit 5, the case opening / closing detection unit corresponds to the case opening / closing detection unit 6, and the opening / closing state timing unit corresponds to the opening / closing state timing unit 11. In addition, the learning function start threshold value determination unit in the present invention corresponds to the learning function start threshold value determination unit 12, and the display on threshold value determination unit corresponds to the display on threshold value determination unit 13. The learning function unit in the present invention corresponds to the learning function unit 14, and the display control unit corresponds to the display control unit 15. Further, the first elapsed time in the present invention corresponds to, for example, the time Ta shown in FIG. 2, and the third elapsed time in the present invention corresponds to, for example, the times T2, T3, and T4 shown in FIG. Further, the learning function start threshold in the present invention corresponds to the learning function start threshold Tg, and the display on threshold corresponds to the display on threshold T0.

  And in the said embodiment, the portable terminal device 1 is provided with the opening-and-closing type housing | casing 20a, 20b, and the display part 5 which turns on a screen display in the state by which the housing | casing 20a, 20b was opened. A learning function for turning on the screen display after the elapse of a predetermined display-on threshold value T0 after the opening operation of 20a, 20b and updating the display-on threshold value T0 based on the history information of the opening / closing times of the housings 20a, 20b. Is provided.

  Moreover, in the said embodiment, the portable terminal device 1 is the opening operation this time after the housing | casing opening / closing detection part 6 which detects the mode change of the opening / closing state in the housing | casing 20a, 20b, and housing | casing 20a, 20b were closed last time. The first elapsed time Ta until the current time, the second elapsed time, which is the time from the time when the housings 20a and 20b are opened this time to the present time, and the time when the housings 20a and 20b are opened this time. Opening / closing state timing unit 11 that measures a third elapsed time (for example, T2, T3, T4) until the closing operation, and whether or not the first elapsed time Ta is less than or equal to the learning function start threshold Tg When the learning function start threshold value determination unit 12, the display on threshold value determination unit 13 that determines whether or not the second elapsed time has exceeded the display on threshold value T0, and the casings 20a and 20b are opened this time, Was the chassis closed last time? When the first elapsed time Ta exceeds the learning function start threshold Tg, the screen display is immediately turned on, and when the first elapsed time Ta is equal to or less than the learning function start threshold Tg, the display on threshold When the display control unit 15 that turns on the screen display after the elapse of the time T0 and the casings 20a and 20b are opened, the first elapsed time Ta is less than or equal to the learning function start threshold Tg. A learning function for updating the on-threshold value T0 is started, and data on a third elapsed time (for example, T2, T3, T4) when the opening time of the housings 20a, 20b is equal to or less than the display-on threshold value T0 And a learning function unit 14 that updates the value of the display-on threshold value T0.

  Thereby, it is possible to record the opening / closing timing when the casings 20a, 20b of the mobile terminal device 1 are opened / closed, and to stop the screen display during opening / closing other than when the buttons are operated based on the recorded information. it can. For this reason, reduction of the power consumption in the portable terminal device 1 can be aimed at.

  Although the embodiments of the present invention have been described above, the mobile terminal device of the present invention is not limited to the above illustrated examples, and various modifications can be made without departing from the gist of the present invention. Of course.

DESCRIPTION OF SYMBOLS 1 ... Portable terminal device, 2 ... ROM, 3 ... RAM, 4 ... Operation part, 5 ... Display part, 6 ... Housing | casing opening / closing detection part, 7 ... Notification part , 8 ... Wireless transmission / reception unit, 10 ... Main control unit, 11 ... Opening / closing state timing unit, 12 ... Learning function start threshold value determination unit, 13 ... Display on threshold value determination unit, 14 ...・ Learning function unit, 15... Display control unit, 20a, 20b.

Claims (3)

An openable casing and a display unit that turns on the screen display when the casing is opened, and the screen display is turned on after a predetermined display-on threshold time elapses after the casing is opened. And a learning function for updating the display-on threshold based on the history information of the opening and closing time of the housing ,
After the enclosure is closed last time, the elapsed time is determined until the enclosure is opened this time, and the learning function is activated when the elapsed time is equal to or less than a predetermined learning function start threshold. <br/> A portable terminal device characterized by the above. A case opening / closing detection unit that detects a change in an open / closed state of the case;
A first elapsed time from the last closing operation of the housing to the current opening operation, a second elapsed time that is a time from the opening time of the current housing to the present time, and the current housing is opened. An open / close state timing unit that counts a third elapsed time from the operated time to the closing operation this time;
A learning function start threshold value determination unit for determining whether or not the first elapsed time is equal to or less than the learning function start threshold value;
A display-on threshold determination unit that determines whether the second elapsed time has exceeded the display-on threshold;
When the casing is opened this time, if the first elapsed time since the casing was closed last time exceeds the learning function start threshold, the screen display is immediately turned on and the first When the elapsed time of 1 is less than or equal to the learning function start threshold, a display control unit that turns on the screen display after the elapse of the display on threshold time;
When the casing is opened, if the first elapsed time is less than or equal to the learning function start threshold, a learning function for updating the display on threshold is started, and the casing opening time is A learning function unit that updates the value of the display-on threshold based on the data of the third elapsed time in the case of the display-on threshold or less;
The mobile terminal device according to claim 1, further comprising: A display control method in a portable terminal device comprising: an openable / closable casing; and a display unit that turns on screen display when the casing is opened.
The screen display is turned on after a predetermined display-on threshold value has elapsed since the opening operation of the housing, and the elapsed time until the housing is opened this time after the previous housing operation was closed, When the elapsed time is equal to or shorter than a predetermined learning function start threshold , a learning function is performed to update the display-on threshold based on history information of the opening / closing time of the housing. A display control method in a terminal device.

Images