JP2016177151A - Display device, display control method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device, a display control method, and a program, which can display the necessary information in the easily understandable form in accordance with the circumstances.SOLUTION: A wearable terminal device 100 includes: index information detection means (sensor unit 14) that detects the index information representing the user activity state; determination means (determination unit 16a) that determines the user activity state on the basis of the index information detected by the index information detection means; and display change means (display control unit 16) that changes at least one of the display item to be displayed on the display means (display unit 15), the number of display items to be displayed on the display means, and the display form of the display item in accordance with the user activity state determined by the determination means.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a display device, a display control method, and a program.

  Conventionally, a wristwatch type device is known as a wearable terminal device that can be worn and carried. For example, Patent Document 1 discloses a display device having a display unit in which a display screen is arranged over substantially the entire circumference of an annular frame. Patent Document 1 discloses a technique for detecting a gravitational acceleration direction, and displaying a display target at a predetermined visible position of the display unit based on the detected gravitational acceleration direction.

Japanese Patent Laid-Open No. 2006-171212

  However, in the display device described in Patent Document 1, the display size and display content of the display target cannot be changed. For this reason, when the amount of information to be displayed is large, there is a problem that the display of the display target cannot be instantaneously grasped in a situation where it is difficult to directly view the display unit (for example, during running or walking).

  The present invention has been made in view of such a problem, and provides a display device, a display control method, and a program capable of displaying information necessary according to the situation in an easy-to-understand manner. Objective.

In order to solve the above problems, a display device according to the present invention is
Display means for displaying information related to the user's activity state so that the user can visually recognize the information;
Index information detecting means for detecting index information indicating an activity state of the user;
Determination means for determining an activity state of the user based on the index information detected by the index information detection means;
At least one of the display items displayed on the display means, the number of display items displayed on the display means, and the display mode of the display items according to the activity state of the user determined by the determination means Display changing means for changing
It is characterized by providing.

  ADVANTAGE OF THE INVENTION According to this invention, it can display in the aspect which is easy to grasp | ascertain the required information according to a condition.

It is the schematic of the wearable terminal device of one Embodiment to which this invention is applied. It is a block diagram which shows schematic structure of the wearable terminal device of one Embodiment to which this invention is applied. It is the figure which represented the display panel planarly. It is a figure which shows an example of the display range which a user is easy to visually recognize. It is a figure which shows the example of a display of the display data in a display range. (A) is a figure which shows an example of a display item specific table, (b) is a figure which shows an example of a display range table. It is a side view of a display panel. It is a flowchart which shows an example of the operation | movement which concerns on the display control process by the wearable terminal device of FIG. It is a flowchart which shows an example of the operation | movement which concerns on the display range specific process in the display control process of FIG.

  Specific embodiments of the present invention will be described below with reference to the drawings. However, the scope of the invention is not limited to the illustrated examples.

FIG. 1 is an external view of a wearable terminal device 100 which is an embodiment of a display device of the present invention.
As shown in FIG. 1, the wearable terminal device 100 according to the present embodiment has a wristwatch type, and includes a band unit 1 and a display unit 15.

  The band part 1 is comprised from the resin-made 1st band 1a and 2nd band 1b which made | formed the curved shape, and the hinge 1c which joins these bands. The band part 1 can tilt the second band 1b with respect to the first band 1a through the hinge 1c. Thereby, the band part 1 can be converted into the 1st state which makes a ring shape (state of FIG. 1), and the 2nd state which cancel | released the ring shape. The wearable terminal device 100 of the present embodiment can be attached to the arm when the band unit 1 is in the second state, and the device 100 can be fixed to the arm by converting to the first state. .

  The display unit 15 (described later) is provided on the outer peripheral surface of the first band 1a. Although not shown, a touch panel as the operation unit 17 is provided on the display unit 15.

FIG. 2 is a block diagram illustrating a schematic configuration of the wearable terminal device 100 according to the present embodiment.
As shown in FIG. 2, the wearable terminal device 100 includes a CPU (Central Processing Unit) 11, a ROM (Read Only Memory) 12, a RAM (Random Access Memory) 13, a sensor unit 14, a display unit 15, A display control unit 16, an operation unit 17, a timer unit 18, and a power supply unit 19 are provided.

  The CPU 11 performs various arithmetic processes and controls the overall operation of the wearable terminal device 100. In the present embodiment, the CPU 11 performs processing related to various operations related to a display control instruction to the display control unit 16 and other executable functions.

The ROM 12 stores various programs executed by the CPU 11 and initial setting data.
The RAM 13 provides a work memory space to the CPU 11 and stores temporary work data.

  The sensor unit (index information detection means) 14 detects index information indicating an activity state of a person wearing the wearable terminal device 100 (hereinafter referred to as a user), and includes a triaxial acceleration sensor 14a.

The triaxial acceleration sensor 14a is built in the wearable terminal device 100, detects acceleration information (index information) indicating a change rate (acceleration) of the operation speed during the user's exercise, and outputs the acceleration information. This acceleration information is stored in a predetermined storage area of the RAM 13.
Further, the triaxial acceleration sensor 14a detects gravity acceleration direction information indicating the direction of gravity acceleration from the acceleration in each axis, and outputs the gravity acceleration direction information. This gravitational acceleration direction information is stored in a predetermined storage area of the RAM 13.

The display unit (display unit) 15 includes a display panel 15a and a backlight 15b.
The display panel 15a is a display panel composed of a liquid crystal display (LCD) using a backlight 15b described later as a light source. FIG. 3 is a plan view showing the display panel 15a. As shown in FIG. 3, the display panel 15a can be divided into 10 sections, that is, first to tenth display areas 15a1 to 15a10. In the present embodiment, as shown in FIG. 4, for example, among these first to tenth display areas 15 a 1 to 15 a 10, three display areas of the third to fifth display areas 15 a 3 to 15 a 5 are easily visible to the user. It is preset as an area (hereinafter referred to as a display range R).

  The backlight 15b is a light source device composed of, for example, an LED (Light Emitting Diode) array and performs a light emission operation as a light source necessary for display on the display panel 15a.

The display control unit (display changing means) 16 performs control to generate display data and display it on the display panel 15 a of the display unit 15.
In the present embodiment, when the determination unit 16a described later determines that the user's activity state is the running state, the display control unit 16 has a predetermined display range on the display panel 15a as illustrated in FIG. The pitch value is displayed on R.
When the determination unit 16a determines that the user's activity state is the walking state, the display control unit 16 displays a pitch graph in a predetermined display range R of the display panel 15a, as shown in FIG. The split time and calorie value are displayed at once.
In addition, when the determination unit 16a determines that the user's activity state is the stop state, the display control unit 16 displays a pitch graph in a predetermined display range R of the display panel 15a, as illustrated in FIG. The split time, lap times 1 to 3 and the calorie value are sequentially displayed (scrolled). Specifically, the display control unit 16 first displays the pitch graph, split time, and lap time 1, and when a predetermined time (for example, 3 seconds) has elapsed, the display item shown in FIG. Thus, the split time, lap time 1 and lap time 2 are displayed. Then, the display control unit 16 causes the display items to be displayed one by one every time a predetermined time elapses until the calorie value is finally displayed.

  In the present embodiment, the display control unit 16 includes a determination unit 16a, a display item specification table 16b, a display item specification unit 16c, a posture detection unit 16d, a display range table 16e, and a display position adjustment unit 16f. It is equipped with.

The determination unit (determination means) 16a determines the activity state of the user based on the acceleration information detected by the triaxial acceleration sensor 14a.
Specifically, the determination unit 16a sequentially analyzes the waveform signal included in the acceleration information detected by the triaxial acceleration sensor 14a, and calculates the number of steps per unit time based on the peak of the signal level of the waveform signal. To do. When the calculated value of the number of steps per unit time is less than the predetermined value, the determination unit 16a determines that the walking state is in progress, while when the value of the number of steps per unit time is equal to or greater than the predetermined value, the running state It is determined that Moreover, the determination part 16a determines with it being a stop state, when the signal level of the said waveform signal has not reached the predetermined level.

The display item specification table (display item storage means) 16b defines display items corresponding to the user activity state determined by the determination unit 16a.
Specifically, as shown in FIG. 6A, in the display item specifying table 16b, it is defined that a pitch value is displayed in a predetermined display range R of the display panel 15a when in the running state. . Further, it is defined that the pitch graph, split time, and calorie value are displayed in the predetermined display range R when in a walking state. Further, it is defined that the pitch graph, the split time, the lap times 1 to 3 and the calorie value are displayed in the predetermined display range R when in the stop state.

The display item specifying unit 16c specifies a display item corresponding to the user activity state determined by the determining unit 16a based on the display items defined in the display item specifying table 16b.
For example, when the determining unit 16a determines that the user's activity state is the running state, the display item specifying unit 16c refers to the display item specifying table 16b illustrated in FIG. Is specified.

The attitude detection unit (attitude detection means) 16 d detects the attitude of the wearable terminal device 100.
Specifically, the posture detection unit 16d calculates the pitching angle, the rolling angle, and the yawing angle of the wearable terminal device 100 based on the gravitational acceleration direction information detected by the three-axis acceleration sensor 14a to thereby determine the posture of the device. Is detected.

The display range table 16e defines the respective ranges of the first to tenth display areas 15a1 to 15a10.
Specifically, as shown in FIG. 6B, in the display range table 16e, for example, the range (index “1”) of the first display region 15a1 is the center O of the arc of the arc-shaped display panel 15a. The range of angles θ0 to θ1 (see FIG. 7) with respect to the angle, the range of the second display area 15a2 (index “2”) is the range of angles θ1 to θ2 (see FIG. 7) with respect to the center O of the arc,. The range (index “10”) of the display area 15a10 is defined as a range of angles θ9 to θ10 (see FIG. 7) with respect to the center O of the arc.

The display position adjustment unit (display position adjustment unit) 16f displays the content related to the display item specified by the display item specification unit 16c based on the attitude of the wearable terminal device 100 detected by the attitude detection unit 16d. The position of the display range R is adjusted.
Specifically, when the pitching angle of the wearable terminal device 100 is detected by the posture detection unit 16d, the display position adjustment unit 16f refers to the display range table 16e and presets the position of the display range. The position is adjusted from the position of the display range R (for example, the third to fifth display areas 15a3 to 15a5) to the position of the display range (for example, the fifth to seventh display areas 15a5 to 15a7) moved by the pitching angle. .

The operation unit 17 is for inputting various instructions to the apparatus main body.
Specifically, the operation unit 17 includes, for example, a start button for starting time measurement, a stop button for ending the time measurement, a predetermined button for measuring lap time and split time, and the like. Yes. The operation unit 17 includes a touch panel provided integrally with the display panel 15a as described above.

  Although not shown in the figure, the timer unit 18 includes, for example, a timer, a timer circuit, and the like, and measures the current time to acquire time information. Then, the timer unit 18 outputs the acquired time information to the CPU 11.

  The power supply unit 19 supplies power related to the operation of the wearable terminal device 100 at a predetermined voltage. The power supply unit 19 includes, for example, various types of batteries (lithium battery, nickel / hydrogen rechargeable battery, etc.). In the present embodiment, power is supplied from the power supply unit 19 to the CPU 11.

<Display control processing>
Next, display control processing by the wearable terminal device 100 of the present embodiment will be described with reference to FIG.
FIG. 8 is a flowchart illustrating an example of an operation related to the display control process.

  As shown in FIG. 8, first, the display control unit 16 executes a display range specifying process (step S1). Details of the display range specifying process will be described later.

  Next, the determination unit 16a determines the user's activity state based on the acceleration information detected by the triaxial acceleration sensor 14a (step S2). Next, the display item specifying unit 16c specifies a display item corresponding to the activity state of the user determined by the determining unit 16a based on the display items defined in the display item specifying table 16b (step S3).

Next, the display control unit 16 determines whether or not the user's activity state determined by the determination unit 16a is either a running state or a walking state (step S4).
When it is determined in step S4 that the vehicle is in the running state or the walking state (step S4; YES), the display control unit 16 generates display data for the display item specified by the display item specifying unit 16c. (Step S5), the generated display data is displayed in the display range R (Step S6), and the display control process is terminated.

  Further, when it is determined in step S4 that neither the running state nor the walking state is present, that is, when it is determined that the vehicle is in a stopped state (step S4; NO), the display control unit 16 displays the display item specifying unit 16c. Display data for the display item specified by (1) is generated (step S7), and the first three of the generated display data (pitch graph, split time, and lap time 1) are displayed in the display range R (step S7). S8).

Next, the display control unit 16 displays whether or not the lowest display item (calorie value) of the generated display data is displayed in the display range R, that is, all the generated display data is displayed in the display range R. It is determined whether it has been done (step S9).
When it is determined in step S9 that the lowermost display item (calorie value) of the generated display data is not displayed in the display range R (step S9; NO), the display control unit 16 performs step It is determined whether or not a predetermined time (for example, 3 seconds) has elapsed since the display process of S8 was performed (step S10).

If it is determined in step S10 that the predetermined time has not elapsed (step S10; NO), the determination process in step S10 is repeatedly performed until the predetermined time has elapsed.
On the other hand, when it is determined that the predetermined time has elapsed (step S10; YES), the display control unit 16 moves down the display item specified by the display item specifying unit 16c by one, and the display data relating to the corresponding display item is displayed. Is displayed in the display range R (step S11), and the process returns to step S9.

  If it is determined in step S9 that the lowest display item (calorie value) of the generated display data is displayed in the display range R (step S9; YES), the display control process is terminated.

<Display range identification processing>
Next, the display range specifying process will be described in detail with reference to FIG.
FIG. 9 is a flowchart illustrating an example of an operation related to the display range specifying process.

  As shown in FIG. 9, first, the posture detection unit 16d detects the posture of the wearable terminal device 100 (step S21). Subsequently, the display position adjustment unit 16f determines whether or not the pitching angle of the wearable terminal device 100 is detected by the posture detection unit 16d (step S22).

When it is determined in step S22 that the pitching angle is not detected (step S22; NO), the display position adjustment unit 16f displays the preset display range R (for example, the third to fifth display regions 15a3). ~ 15a5) is specified (step S23), and the display range specifying process is terminated.
On the other hand, when it is determined that the pitching angle has been detected (step S22; YES), the display position adjustment unit 16f performs the operation from the preset display range R (for example, the third to fifth display regions 15a3 to 15a5). The display range moved by the pitching angle is specified (step S24), and the display range specifying process is terminated.

As described above, according to the wearable terminal device 100 of the present embodiment, the display items to be displayed on the display unit 15 (display range R) according to the user activity state determined by the determination unit 16a, the display unit 15 At least one of the number of the display items to be displayed and the display mode of the display items is changed.
Therefore, it is possible to display information necessary for the user's activity state in an easy-to-understand manner.

Moreover, according to the wearable terminal device 100 of this embodiment, the determination part 16a is based on the acceleration information detected by the 3-axis acceleration sensor 14a, and a user's active state is a driving | running state, a walking state, and a stop state. It will be determined in which state.
Therefore, even if the user is in a driving state or a walking state where it is difficult for the user to look directly at the display unit 15 (display range R), it is possible to display the information required according to the state in an easy-to-understand manner. Therefore, the information that the user wants can be grasped instantly.

  Further, according to the wearable terminal device 100 of the present embodiment, the display item specifying table 16b and the display item specifying table 16b that store the running state, the walking state, and the stopped state in association with the display item, and the display item specifying table 16b. A display item specifying unit 16c for specifying a display item corresponding to the user's activity state determined by the determining unit 16b based on the display item stored in the display item. Since the content related to the display item specified by 16c is displayed, the display control process by the display control unit 16 can be performed smoothly.

  Further, according to the wearable terminal device 100 of the present embodiment, the display item specifying table 16b is a display in which the number of display items stored in association with the walking state is stored in association with the running state. It is provided so as to be larger than the number of items and smaller than the number of display items stored in association with the stopped state. In other words, since the number of display items is reduced as the user becomes difficult to look directly at the display unit 15 (display range R), only the necessary information according to the user's activity state can be easily grasped. Can be displayed.

Further, according to the wearable terminal device 100 of the present embodiment, the display control unit 16 is stored in the display item specifying table 16b in association with the state in any state of the running state and the walking state. The display of the contents related to the display items is performed at once within a predetermined display range R of the display unit 15.
Therefore, even if the user is in a driving state or a walking state where it is difficult for the user to directly view the display unit 15 (display range R), the display items stored in the display item specifying table 16b are associated with the state. The display of such contents can be grasped instantly.

In addition, according to the wearable terminal device 100 of the present embodiment, the display control unit 16 displays the content related to the display items associated with the stopped state and stored in the display item specifying table 16b in the stopped state. The display is performed by scroll display within a predetermined display range R of the display unit 15.
Therefore, in a stop state where the user can easily view the display unit 15 (display range R) directly, a lot of information desired by the user can be displayed by performing scroll display.

Further, according to the wearable terminal device 100 of the present embodiment, the display position adjustment unit 16f adjusts the position of the predetermined display range R based on the posture detected by the posture detection unit 16d.
Therefore, when the user moves the arm on which the wearable terminal device 100 is worn, the position of the display range R can be adjusted to a position that the user can easily recognize according to the movement of the arm.

The present invention is not limited to the above-described embodiment, and various improvements and design changes may be made without departing from the spirit of the present invention.
For example, the display item specification table 16b of the above embodiment is an example, and the display items associated with each state are not limited to these. Specifically, when the wearable terminal device has a GPS function, the distance data may be displayed as the display item by using the GPS function.

  Moreover, in the said embodiment, when the user's activity state determined by the determination part 16a is a stop state, the display item memorize | stored matched with the stop state is scroll-displayed whenever predetermined time passes. In addition to this, for example, scroll display may be performed according to the magnitude of the twisting operation of the arm wearing the wearable terminal device 100.

In the above embodiment, the functions as the determination unit and the display change unit are realized by driving the determination unit and the display control unit under the control of the main CPU 11. The configuration is not limited, and may be realized by executing a predetermined program or the like by the main CPU 11.
That is, a program including a determination processing routine and a display control processing routine is stored in a program memory (not shown) that stores the program. Then, the main CPU 11 may function as a means for determining the user's activity state based on the index information detected by the sensor unit 14 by the determination processing routine. The display control processing routine causes the main CPU 11 to display the display items displayed on the display unit 15 according to the activity state of the user determined by the determination processing routine, the number of the display items displayed on the display unit 15, and the You may make it function as a means to change at least any one among the display modes of a display item.

  Moreover, in the said embodiment, although the wearable terminal device was made into an example and the display apparatus of this invention was demonstrated, it is not restricted to such a wearable terminal device, For example, like a mobile phone, a smart phone, PDA, etc. It can be applied to a terminal device.

Although the embodiments of the present invention have been described, the scope of the present invention is not limited to the above-described embodiments, and includes the scope of the invention described in the claims and an equivalent scope thereof.
The invention described in the scope of claims attached to the application of this application will be added below. The item numbers of the claims described in the appendix are as set forth in the claims attached to the application of this application.
[Appendix]
<Claim 1>
Display means for displaying information related to the user's activity state so that the user can visually recognize the information;
Index information detecting means for detecting index information indicating an activity state of the user;
Determination means for determining an activity state of the user based on the index information detected by the index information detection means;
At least one of the display items displayed on the display means, the number of display items displayed on the display means, and the display mode of the display items according to the activity state of the user determined by the determination means Display changing means for changing
A display device comprising:
<Claim 2>
The index information detection means includes an acceleration sensor,
The determination unit determines whether the user's activity state is a running state, a walking state, or a stopped state based on acceleration information detected by the acceleration sensor. Item 4. The display device according to Item 1.
<Claim 3>
Each of the running state, the walking state, and the stopped state, and the display item storage means for storing the display item in association with each other
3. The display change unit displays content related to the display item stored in the display item storage unit in response to the activity state of the user determined by the determination unit. The display device described in 1.
<Claim 4>
The display item storage means has a larger number of display items stored in association with the walking state than the number of display items stored in association with the running state, and the stop state. The display device according to claim 3, wherein the display device is provided so as to be smaller than the number of the display items stored in association with each other.
<Claim 5>
The display changing means displays the display of the contents related to the display items stored in the display item storage means in association with the state in any of the running state and the walking state. 5. The display device according to claim 4, wherein the display is performed at a time within a predetermined display range of the means.
<Claim 6>
In the stopped state, the display changing means scrolls the display of the contents related to the display items associated with the stopped state and stored in the display item storage means within a predetermined display range of the display means. The display device according to claim 4, wherein the display is performed by display.
<Claim 7>
Attitude detection means for detecting the attitude of the display device;
Display position adjusting means for adjusting the position of the predetermined display range based on the attitude detected by the attitude detecting means;
The display device according to claim 5, further comprising:
<Claim 8>
A display control method for a display device comprising display means for displaying information relating to a user's activity state,
Processing for detecting index information indicating an activity state of the user;
A process of determining an activity state of the user based on the detected index information;
According to the determined activity state of the user, at least one of a display item displayed on the display unit, a number of the display items displayed on the display unit, and a display mode of the display item is changed. Processing,
A display control method comprising:
<Claim 9>
In a computer of a display device comprising display means for displaying information on the user's activity state,
An index information detection function for detecting index information indicating an activity state of the user;
A determination function for determining an activity state of the user based on the index information detected by the index information detection function;
At least one of a display item displayed on the display unit, a number of the display items displayed on the display unit, and a display mode of the display item according to the activity state of the user determined by the determination function Display change function to change
A program characterized by realizing.

100 Wearable terminal device 11 CPU
14 sensor unit 14a 3-axis acceleration sensor 15 display unit 15a display panel 16 display control unit 16a determination unit 16b display item specification table 16c display item specification unit 16d posture detection unit 16e display range table 16f display position adjustment unit R display range

Claims (9)

Display means for displaying information related to the user's activity state so that the user can visually recognize the information;
Index information detecting means for detecting index information indicating an activity state of the user;
Determination means for determining an activity state of the user based on the index information detected by the index information detection means;
At least one of the display items displayed on the display means, the number of display items displayed on the display means, and the display mode of the display items according to the activity state of the user determined by the determination means Display changing means for changing
A display device comprising: The index information detection means includes an acceleration sensor,
The determination unit determines whether the user's activity state is a running state, a walking state, or a stopped state based on acceleration information detected by the acceleration sensor. Item 4. The display device according to Item 1. Each of the running state, the walking state, and the stopped state, and the display item storage means for storing the display item in association with each other
3. The display change unit displays content related to the display item stored in the display item storage unit in response to the activity state of the user determined by the determination unit. The display device described in 1.   The display item storage means has a larger number of display items stored in association with the walking state than the number of display items stored in association with the running state, and the stop state. The display device according to claim 3, wherein the display device is provided so as to be smaller than the number of the display items stored in association with each other.   The display changing means displays the display of the contents related to the display items stored in the display item storage means in association with the state in any of the running state and the walking state. 5. The display device according to claim 4, wherein the display is performed at a time within a predetermined display range of the means.   In the stopped state, the display changing means scrolls the display of the contents related to the display items associated with the stopped state and stored in the display item storage means within a predetermined display range of the display means. The display device according to claim 4, wherein the display is performed by display. Attitude detection means for detecting the attitude of the display device;
Display position adjusting means for adjusting the position of the predetermined display range based on the attitude detected by the attitude detecting means;
The display device according to claim 5, further comprising: A display control method for a display device comprising display means for displaying information relating to a user's activity state,
Processing for detecting index information indicating an activity state of the user;
A process of determining an activity state of the user based on the detected index information;
According to the determined activity state of the user, at least one of a display item displayed on the display unit, a number of the display items displayed on the display unit, and a display mode of the display item is changed. Processing,
A display control method comprising: In a computer of a display device comprising display means for displaying information on the user's activity state,
An index information detection function for detecting index information indicating an activity state of the user;
A determination function for determining an activity state of the user based on the index information detected by the index information detection function;
At least one of a display item displayed on the display unit, a number of the display items displayed on the display unit, and a display mode of the display item according to the activity state of the user determined by the determination function Display change function to change
A program characterized by realizing.

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