JP5464349B2 - Mobile terminal device and its return control method from display power saving state - Google Patents

Description

  The present invention relates to a portable terminal device and a return control method from a display power saving state.

  In general, in order to save power consumption of the mobile terminal device, control is performed to turn off LCD (liquid crystal display) display and backlight lighting when unnecessary. For example, Patent Documents 1 and 2 describe related techniques for quickly shifting or canceling a mobile terminal device to a display power saving state (display OFF).

  For example, Patent Document 1 discloses detection means for detecting the movement of a mobile phone in a mobile phone that shifts to a power saving mode in which power supply to a currently unused portion is cut off in response to a power saving mode shift instruction. There is described a device that cancels the power saving mode in accordance with the movement of the mobile phone detected by the detecting means in the power saving mode. According to this, when the user desires, it is possible to quickly shift from the power saving mode to the normal mode.

  Further, in Patent Document 2, in a portable terminal device having a power saving mode for supplying power only to necessary components in a predetermined state and a normal power mode for performing normal power supply, the device main body is activated during application activation. There is described a sensor that detects a physical behavior of the sensor and that controls the shift to the power saving mode or the return from the power saving mode in accordance with the detection output of the sensor. According to this, it is possible to exert a power saving effect even when the application is activated and to avoid an erroneous operation when returning from the power saving mode.

JP 2003-244066 A JP 2007-080219 A

  However, although the related technology described above can quickly cancel the display power saving state of the mobile terminal device, the target function that the user wants to use immediately after that (for example, received mail list display, outgoing / incoming history) Display, camera function, TV function, calculator function, etc.) is not considered.

  The present invention solves the above-described problems and enables not only to quickly cancel the display power saving state of the mobile terminal device, but also to quickly start the target function that the user wants to use immediately after that. It is an object of the present invention to provide a portable terminal device and a return control method from the display power saving state.

In order to achieve the above object, a mobile terminal device according to the present invention includes a display unit, and a control unit that controls transition of the display unit to a display power saving state and release thereof, and the control unit includes: After the trigger for canceling the display power saving state occurs, the setting of the function that is activated by the operation of the mobile terminal device is switched to a predetermined setting within a certain time, the activation of the function is controlled according to the predetermined setting, and the function The control unit further includes an operation unit capable of key operation according to a key assignment for activation, the predetermined setting is a key assignment setting for activation of the function, and the control unit is configured to generate a display power saving state release trigger after the occurrence. The key assignment for activation of the function is switched to the predetermined setting within a predetermined time .

A method for controlling the return from a display power saving state of a mobile terminal device according to the present invention includes: a display unit; and a display of a mobile terminal device having a control unit that controls the transition of the display unit to a display power saving state and the release thereof. A control method for returning from a power saving state, wherein the control unit sets a predetermined setting of a function that can be activated by operating the portable terminal device for a predetermined time after the display power saving state release trigger occurs And the activation of the function is controlled according to the predetermined setting, the portable terminal device further has an operation unit capable of key operation according to a key assignment for the activation of the function, the predetermined setting is: The key assignment is set for the activation of the function, and the control unit switches the key assignment for the activation of the function to the predetermined setting within a predetermined time after the display power saving state release trigger is generated. And wherein the frog.

  According to the present invention, not only the display power saving state of the mobile terminal device can be quickly released, but also the mobile terminal device that can quickly start the target function that the user wants to use immediately after that, and A return control method from the display power saving state can be provided.

It is a schematic block diagram which shows the internal structure of the portable terminal device which concerns on the 1st Embodiment of this invention. (A) And (b) is a schematic flowchart which shows operation | movement of the portable terminal device shown in FIG. (A) And (b) is a figure explaining the example of an operation | movement setting after the display power saving state cancellation | release of the portable terminal device shown in FIG. It is a figure explaining the portable terminal device which concerns on the 2nd Embodiment of this invention. (A)-(c) is a figure explaining the example of operation | movement setting after the display power saving state cancellation | release of the portable terminal device shown in FIG.

  Next, an embodiment of a mobile terminal device and a return control method from a display power saving state according to the present invention will be described in detail with reference to the drawings.

(First embodiment)
FIG. 1 shows a part of the configuration of a mobile terminal device (mobile phone) according to a first embodiment of the present invention. A mobile terminal device 200 shown in FIG. 1 is configured by a foldable device having a casing (device main body) that can be opened and closed via, for example, a hinge portion (not shown), and includes a control unit 201, a memory 202, a timer 203, and a sensor unit. 204, a power supply unit 205, a battery (battery) 206, a display unit 207, and an operation unit 208. In addition, a radio unit (not shown) (antenna, transmission / reception circuit, etc.), image pickup unit (camera function), receiving unit (television function) for terrestrial digital television broadcasting (one-segment (1 segment) broadcasting) for mobile phones and mobile terminals, etc. Is also included.

  The control unit 201 is a part that controls each unit in the mobile terminal device 200, and includes a CPU (Central Processing Unit) that executes a program and various peripheral (peripheral) circuits.

  The memory 202 is used for storing a CPU operation program and fixed data of the control unit 201 and for work during operation of the CPU in the control unit 201.

  The operation unit 208 is used for performing user operations and setting input of various functions, and includes a key matrix and a touch panel.

  The timer 203 is used by the CPU of the control unit 201 to measure a predetermined time, and is generally incorporated as a part of the control unit 201.

  The display unit 207 displays various input contents in conjunction with the operation unit 208, and generally has a backlight function to ensure visibility in a dark place. When not required, display and backlight lighting are turned off by CPU control of the control unit 201. In this embodiment, the display OFF state (including backlight lighting OFF) of the display unit 207 for saving power consumption is referred to as a “display power saving state”, and the display unit 207 displays during normal operation. It is distinguished from the ON state, that is, the “normal display state”.

  The power supply unit 205 is a part that converts the supply voltage from the battery (battery) 206 into a predetermined voltage suitable for the control unit 201 and supplies the converted voltage.

  The sensor unit 204 is an acceleration used to detect a magnetic sensor used to detect the open / closed state of the mobile terminal device 200, the movement of the mobile terminal device 200 up and down, left and right, and a tilt placed in the space. It consists of sensors.

  Next, the operation of this embodiment will be described with reference to FIG. The operation program corresponding to the flowchart shown in FIG. 2 is stored in advance in the memory 202, for example, and is executed by the CPU of the control unit 201.

  First, the control unit 201 displays the display state of the display unit 207 in a normal display state (such as when the casing is closed with the display surface of the display unit 207 facing inward in the foldable device or when there is no operation for a certain period of time). It is determined whether or not a display power saving trigger for shifting from display ON) to display power saving state (display OFF) has occurred.

  As a result, when a display power saving trigger has occurred (YES in step ST11), the control unit 201 can be switched between a function that can be activated by a user operation of the mobile terminal device 200 on the memory 202 and a setting of the user operation. Predetermined setting, that is, “operation setting after canceling the display power saving state” described later (step ST12), the power supply unit 205 changes the display unit 207 so that the display state of the display unit 207 changes from display ON to display OFF. By controlling the power supply to 207, the display state of the display unit 207 is shifted from the normal display state to the display power saving state.

  Here, “operation setting after canceling the display power saving state” means, for example, a special key within a certain period of time such as starting the camera when the “#” key is pressed within a predetermined period of time. Say the assignment. An example is shown in FIGS. 3 (a) and 3 (b). In this example, functions that can be activated by operating the mobile terminal device 200 include a list display of received mail, a camera function, and a calculator function. Since all these functions are known, their details are omitted.

  3A shows the setting of a predetermined time, and FIG. 3B shows the setting of special key assignments (each operation such as function activation assigned corresponding to each key operation of the operation unit 208). . In the example of FIG. 3A, the predetermined time is set to 2 seconds. In the example of FIG. 3B, the “#” key of the operation unit 208 activates the camera function, the “*” key of the operation unit 208 displays a list of received mail, and the “9” key of the operation unit 208 Each operation of starting the calculator function is assigned.

  Next, when a display power saving state release trigger occurs, for example, when the folding portable terminal device 200 is opened from the closed state, from the display power saving state (YES in step ST13), The control unit 201 executes “display saving” on the memory 202 within a predetermined time (NO in step ST14) or when a release trigger of “operation setting after canceling display power saving state” has not occurred (NO in step ST16). After the predetermined time has elapsed (YES in step ST14) or after the release trigger for "operation setting after canceling the display power saving state" occurs (YES in step ST16), “Operation setting after canceling display power-saving state” is canceled (step ST17), and power is supplied so that the display state of display unit 207 changes from display OFF to display ON. By controlling the power supply to the display section 207 from 205, and returns to normal operation.

  Specifically, for example, a case where “operation setting after canceling display power saving state” such as setting time and special key assignment shown in FIGS. 3A and 3B is performed is described. To do. In this case, when the folding device is opened from the closed state, the camera function is activated when the “#” key is pressed for 2 seconds, and the received mail list is displayed when the “*” key is pressed. When the “9” key is pressed, the calculator function is activated. When another key is operated or not operated for 2 seconds, the special key assignment state is canceled.

  The special key assignment state is also canceled when the function is activated by the special key assignment described above. A key assignment for immediately canceling the “operation setting after canceling the display power saving state” state may be defined when the “clear” key or the like is pressed for 2 seconds.

  It is desirable that the “operation setting after canceling the display power saving state” such as the predetermined time and special key assignment mentioned here can be set in advance by the user (user). The setting by the user is performed by, for example, displaying a preset setting screen on the display unit 207 and performing a user operation such as a key operation using the operation unit 208 (including a key operation using the touch panel). The user sets the predetermined time and special key assignment shown in 3 (a) and 3 (b) (displays each item on the screen and inputs it to the corresponding item, or displays a plurality of input candidates for each item, (Including operations such as selecting from among them).

  In addition, even if special key assignment is enabled, keys that are not assigned special function activation etc. (for example, “Menu” key can be used as it is even if special key assignment is enabled. It is desirable to perform the same operation as normal key assignment and cancel the special key assignment state. In this case, the special key assignment is only the defined key, and the assignment of other keys is left as usual.

  As described above, according to the present embodiment, not only the display power saving (display OFF) state of the mobile terminal device 200 is quickly released, but also the activation of a desired function that the user wants to use immediately after that is performed quickly. Can be performed.

  Therefore, according to the present embodiment, when the user tries to use (operate) the target function of the mobile terminal device 200 from the state of entering the display power saving (display OFF) state in order to save power consumption. It can be activated quickly with a small number of operations. For example, when a user intends to use a target function such as a camera function from a state in which the mobile terminal device 200 is not used, it can be quickly activated with a small number of operations.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIGS.

  Although FIG. 4 does not illustrate all transitions in the mobile terminal device 200 according to the present embodiment, the mobile terminal device 200 is moved in the vertical direction (upward) or further in the lateral direction (horizontal direction). ) Is shown. In this case, in a foldable portable device having a hinge part 212 composed of a biaxial hinge, it is assumed that the display unit 207 moves outward from the closed state with the display surface of the display unit 207 facing outside.

  In the present embodiment, in the mobile terminal device 200, an acceleration sensor (for example, a triaxial acceleration sensor) that detects movement in the vertical and horizontal directions, the amount of movement thereof, a tilt placed in the space, and the like in the sensor unit (see FIG. 1). For example, if the acceleration sensor detects a movement of a certain amount or more in the upward direction of the mobile terminal device 200, a release trigger for the display power saving state (display OFF) is generated, and this release trigger The display power saving state is canceled by In addition, after the display power saving state is canceled, when the mobile terminal device 200 is detected in a stationary state (a state where the movement is a certain amount or less) by the acceleration sensor within a predetermined time, the inclination of the mobile terminal device 200 at that time Activate the function according to, and cancel “Operation setting after canceling the display power saving state”.

  An example of “operation setting after canceling the display power saving state” in the present embodiment is shown in FIGS. In this example, the functions that can be activated by operating the mobile terminal device 200 include a received mail list display, a display of outgoing / incoming calls, a camera function, and a television function. Since all these functions are known, their details are omitted.

  FIG. 5A is a setting of the upward movement amount of the mobile terminal device 200 for canceling the display power saving state, FIG. 5B is a setting of a predetermined time, and FIG. 5C is a mobile terminal. The setting of each operation of function activation according to the inclination of the device 200 is shown.

  In this case, specifically, as shown in FIG. 4, in the display power saving state (display OFF) of the mobile terminal device 200, the output of the acceleration sensor (related to the movement of the mobile terminal device 200 in the vertical and horizontal directions and the movement amount thereof). When a movement of a certain amount (10 cm in the example of FIG. 5B) or more from the stationary state (refer to the stationary state (1) in FIG. 4) of the mobile terminal device 200 is detected from the detected value), the control is performed. The unit generates a display power saving state cancel trigger, and cancels the display power saving state by the cancel trigger.

  After the cancellation, within a predetermined time (2 seconds in the example of FIG. 5B), the hinge unit 212 is in a stationary state with the hinge section 212 in the up state from the output of the acceleration sensor (the detected value related to the tilt of the mobile terminal device 200). When the stationary state (see (2) in FIG. 4) is detected, the control unit follows the “operation setting after canceling the display power saving state” on the memory 202 (see FIG. 5C). The received mail list is displayed on the display screen.

  Similarly, when the stationary state is detected when the hinge unit 212 is in the lower state (see the stationary state (3) in FIG. 4), the control unit performs “operation setting after canceling the display power saving state” on the memory 202. In accordance with (see FIG. 5C), the outgoing / incoming call history is displayed on the display surface of the display unit 207.

  In addition, when the hinge unit 212 detects the stationary state (see the stationary state (4) in FIG. 4) in the state of the right side, the control unit performs “operation setting after canceling the display power saving state” on the memory 202. In accordance with (see FIG. 5C), the camera function is activated. Thereby, a camera preview display is performed on the display screen of the display unit 207.

  Further, when the stationary state is detected with the hinge unit 212 being in the left side state (see the stationary state (3) in FIG. 4), the control unit performs “operation setting after canceling the display power saving state” on the memory 202. The TV function is activated according to (see FIG. 5C). As a result, a TV image is displayed on the display screen of the display unit 207.

  The “operation setting after canceling the display power saving state” such as the movement amount for canceling the display power saving state, the predetermined time, and the operation according to the inclination of the mobile terminal device 200 is set in advance by the user. It is desirable that it can be set by (user). The setting by the user is performed by, for example, displaying a preset setting screen on the display unit 207 and performing a user operation such as a key operation using the operation unit 208 (including a key operation using the touch panel). 5 (a) to (c), the user sets the upward movement amount, the predetermined time, and the operation according to the inclination of the device (displays each item on the screen and inputs it to the corresponding item, (Including a user operation such as displaying a plurality of input candidates for each item and selecting from among them).

  Also in the present embodiment, as in the first embodiment, in the mobile terminal device 200, the user enters the mobile terminal device 200 from a state in which the display power saving (display OFF) state is entered to save power consumption. When trying to use (operate) the target function, it can be quickly activated with a small number of operations.

  In this embodiment, the key function of the operation unit is not required, the display power-saving state can be canceled with a simpler operation, and the target function can be used within a certain time after the cancellation, thereby further improving operability. Can be improved.

  In each of the above-described embodiments, examples of functions that can be activated by operating the mobile terminal device include list display of received mail, display of incoming / outgoing history, camera function, TV function, calculator function, etc. The present invention is not limited to these functions and can be applied as long as it can be activated by a user operation.

  Moreover, the above-described portable terminal device and its return control method from the display power saving state can be realized by hardware, software, or a combination thereof. The hardware and software configurations in this case are not particularly limited, and any form can be applied as long as the functions of each unit in the above-described portable terminal device can be realized. For example, it is possible to apply each of the functions of each unit individually or the functions of each unit.

  A part or all of the above embodiments can be described as in the following supplementary notes, but is not limited to the following.

  (Additional remark 1) It has a display part and the control part which controls the transition to the display power saving state of the said display part, and its cancellation | release, The said control part is a fixed time after generation | occurrence | production of the release trigger of the said display power saving state The portable terminal device is characterized in that the setting of a function that can be activated by operating the portable terminal device is switched to a predetermined setting, and the activation of the function is controlled in accordance with the predetermined setting.

  (Additional remark 2) It further has an operation part which can perform key operation according to the key assignment with respect to starting of the said function, The said predetermined setting is a setting of the key assignment with respect to starting of the said function, The said control part is the said display saving The mobile terminal device according to appendix 1, wherein the key assignment of the operation unit for activation of the function is switched to the predetermined setting within a predetermined time after the occurrence of a power state release trigger.

  (Additional remark 3) It further has a sensor which detects the movement of the portable terminal device in at least a predetermined direction and its inclination, and the predetermined setting is a setting of the output of the sensor with respect to the activation of the function, and the control unit The portable terminal device according to appendix 1, wherein the function is activated according to the output of the sensor according to the predetermined setting for a predetermined time after the display power saving state release trigger is generated.

  (Additional remark 4) The said fixed time can be set by the user, The portable terminal device of Additional remark 2 or 3 characterized by the above-mentioned.

  (Supplementary note 5) The mobile terminal device according to supplementary note 2, wherein a key assignment for activation of the function can be set by a user.

  (Additional remark 6) The function started according to the output of the said sensor can be set by the user, The portable terminal device of Additional remark 3 characterized by the above-mentioned.

  (Additional remark 7) It is a return control method from the display power saving state of the portable terminal device which has a display part and the control part which controls the transfer to the display power saving state of the said display part, and its cancellation | release, Comprising: The said control part However, after the trigger for canceling the display power saving state occurs, the setting of the function that can be activated by operating the portable terminal device is switched to a predetermined setting within a predetermined time, and the function is activated according to the predetermined setting. A control method for returning from a display power saving state of a mobile terminal device, comprising:

  (Additional remark 8) The said portable terminal device further has an operation part which can perform key operation according to the key assignment with respect to starting of the said function, The said predetermined setting is a setting of the key assignment with respect to starting of the said function, The said control The display power saving state of the mobile terminal device according to appendix 7, wherein the unit switches the key assignment for activation of the function to the predetermined setting within a predetermined time after the display power saving state release trigger occurs Return control method from

  (Additional remark 9) The said portable terminal device further has a sensor which detects the movement of the said portable terminal device to the predetermined direction at least, and its inclination, The said predetermined setting is a setting of the output of the said sensor with respect to starting of the said function The control unit activates the function according to the output of the sensor according to the predetermined setting for a predetermined time after the display power saving state release trigger is generated. A return control method from a display power saving state of a portable terminal device.

  Although the present invention has been described with reference to the embodiments, the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.

  As described above, the present invention can be used for the portable terminal device and the use of the return control method from the display power saving state.

200 Mobile Terminal Device 201 Control Unit 202 Memory 203 Timer 204 Sensor Unit 205 Power Supply Unit 206 Battery (Power Supply)
207 Display unit 208 Operation unit 211 Housing 212 Hinge unit

Claims (7)

A display unit, and a control unit that controls the transition of the display unit to the display power saving state and the release thereof,
The control unit switches the setting of the function to be activated by operating the mobile terminal device to a predetermined setting within a predetermined time after the display power saving state release trigger is generated, and activates the function according to the predetermined setting. Control
Further comprising an operation unit capable of key operation according to key assignment for activation of the function,
The predetermined setting is a key assignment setting for activation of the function,
The control unit, the after release trigger of Power Save state, a predetermined time in the mobile terminal you characterized by switching the key assigned to the predetermined setting for activation of the function. A display unit, and a control unit that controls the transition of the display unit to the display power saving state and the release thereof,
The control unit switches the setting of the function to be activated by operating the mobile terminal device to a predetermined setting within a predetermined time after the display power saving state release trigger is generated, and activates the function according to the predetermined setting. Control
It further has a sensor that detects the movement of the portable terminal device in at least a predetermined direction and its inclination,
The predetermined setting is a setting of an output of the sensor with respect to activation of the function,
The control unit, the after release trigger of Power Save state, a predetermined time in the mobile terminal you characterized by activating the function in response to an output of the sensor in accordance with the predetermined setting. The predetermined time, the portable terminal device according to claim 1 or 2, characterized in that it is set by the user. The mobile terminal apparatus according to claim 1 , wherein a key assignment for activation of the function can be set by a user. The mobile terminal device according to claim 2 , wherein a function activated in accordance with an output of the sensor can be set by a user. A return control method from a display power saving state of a mobile terminal device having a display unit and a control unit for controlling the transition to the display power saving state of the display unit and the release thereof,
The control unit switches the setting of a function that can be activated by an operation of the mobile terminal device within a certain period of time after occurrence of a trigger for canceling the display power saving state to a predetermined setting, and the function according to the predetermined setting Control the startup of
The mobile terminal device further has an operation unit capable of key operation according to key assignment for activation of the function,
The predetermined setting is a key assignment setting for activation of the function,
Wherein the control unit is, after release trigger of the Power Save state, it is within a predetermined time from the display power saving state of the portable terminal device you characterized by switching the key assignment for activation of the function to the predetermined set Return control method. A return control method from a display power saving state of a mobile terminal device having a display unit and a control unit for controlling the transition to the display power saving state of the display unit and the release thereof,
The control unit switches the setting of a function that can be activated by an operation of the mobile terminal device within a certain period of time after occurrence of a trigger for canceling the display power saving state to a predetermined setting, and the function according to the predetermined setting Control the startup of
The mobile terminal device further includes a sensor that detects movement and inclination of the mobile terminal device in at least a predetermined direction,
The predetermined setting is a setting of an output of the sensor with respect to activation of the function,
Wherein the control unit is, the after release trigger of Power Save state, it is within a predetermined time display Ministry of mobile terminals you characterized by activating the function in response to an output of the sensor in accordance with the predetermined set Return control method from the power state.

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