TW201539268A - Portable electronic apparatus and touch detecting method thereof - Google Patents

Abstract

A portable electronic apparatus and a touch detecting method thereof are provided. In the method, a touch is detected by using a touch screen of the portable electronic apparatus. Then, whether the touch is located in an edge area of the touch screen is determined. When it is determined that the touch is located in the edge area of the touch screen, the touching time with no other detected touch is accumulated and determined whether to exceed a pre-defined time. When the accumulated time exceeds the pre-defined time, information related to the touch is removed from the event triggered by the touch until the touch is ended.

Description

Portable electronic device and touch detection method thereof

The present invention relates to an electronic device and a touch detection method thereof, and more particularly to a portable electronic device and a touch detection method thereof.

The touch screen is a display device that integrates a capacitive, resistive or other touch detecting component on a thin display panel such as a liquid crystal. Since the touch screen can provide display and touch input functions at the same time, and its operation has the advantages of simplicity and intuition, it has gradually become a portable device, a tablet computer, a personal digital assistant (PDA), a multimedia player, and the like. Basic equipment for electronic devices.

In order to facilitate carrying, the portable electronic device is required to be light, thin, short, and small in appearance, which will limit the size of the touch screen that can be configured by the portable electronic device. In order to configure a larger touch screen in a limited space to provide a larger display and touch operation area for the user, the current portable electronic device has been designed in the direction of a narrow frame.

However, when the user is operating the portable electronic device, the user holds the grip. The hand often touches the touch screen because of the narrow frame, and the result is often a malfunction of the portable electronic device.

The present invention provides a portable electronic device and a touch detection method thereof, which can prevent a user from holding the device from causing a malfunction of the portable electronic device.

The touch detection method of the portable electronic device of the present invention is applicable to a portable electronic device with a touch screen. This method uses the touch screen to detect the touch and determine whether the touch position falls on the edge area of the touch screen. When the touched position falls on the edge area, the accumulated touch continues to exist and the touch screen does not detect other touches, and it is determined whether the accumulated time exceeds the preset time. When the accumulated time exceeds the preset time, the related information of the touch is removed from the event triggered by the touch until the touch ends.

In an embodiment of the invention, the portable electronic device further includes a gravity sensor, and the method further utilizes gravity before the step of determining whether the touched position falls on an edge region of the touch screen. The sensor detects the placement state of the portable electronic device, wherein the placed state is one of a horizontally placed state and an upright state. Next, the edge area for determining the position of the touch is set to two edge areas of the touch screen in the horizontal direction in the detected placement state.

In an embodiment of the invention, after the step of determining the edge region of the touched position is the two edge regions of the touch screen in the horizontal direction in the detected state, the method Use gravity sensors to detect the placement Whether the state changes, and when the placement state is changed, the edge region for determining the position of the touch is adjusted to the two edge regions of the touch screen in the horizontal direction in the changed state.

In an embodiment of the invention, the step of detecting the touch by using the touch screen includes detecting the screen wake-up signal when the screen is off, and when the screen wake-up signal is detected, starting the touch screen detection is located at the edge. The touch of the area to determine whether to remove the relevant information of the touch from the event triggered by the touch.

The portable electronic device of the present invention comprises a touch screen, a storage unit and one or more processing units. Among them, the touch screen is used to detect touch. The storage unit is used to record a plurality of modules. The processing unit is connected to the touch screen and the storage unit for accessing and executing the modules recorded in the storage unit. The above module includes a touch position determination module, a touch time determination module, and a touch information removal module. The touch position determining module determines whether the touched position detected by the touch screen falls on the edge area of the touch screen. The touch time judging module will accumulate the time that the touch continues to exist and the touch screen does not detect other touches when the touch position judgment module determines that the touch position falls on the edge area, and judges the accumulated time. Whether it exceeds the preset time. The touch information removal module removes the related information of the touch from the event triggered by the touch when the touch time judgment module determines that the accumulated time exceeds the preset time until the touch ends. until.

In an embodiment of the invention, the portable electronic device further includes a gravity sensor. The gravity sensor is configured to detect a state in which the portable electronic device is placed, wherein the placed state is one of a horizontally placed state and an upright state. In addition, the above The module further includes an edge area setting module, which can set the edge area for determining the touch position as the two edge areas of the touch screen in the horizontal direction in the placed state detected by the gravity sensor.

In an embodiment of the present invention, the edge area setting module further detects whether the placement state is changed by using a gravity sensor, and adjusts an edge area for determining the touch position to be changed when the placement state is changed. The two edge areas of the touch screen in the horizontal direction are changed after being placed.

In an embodiment of the present invention, when the touch position determination module detects the screen wake-up signal in the screen off state, the touch screen is activated to detect the touch in the edge area, thereby determining whether Remove information about this touch from the event triggered by this touch.

In an embodiment of the invention, the edge region is an area within a predetermined distance from at least one edge of the touch screen.

Based on the above, the portable electronic device and the touch detection method thereof of the present invention detect a touch located in an edge region of the touch screen, and if no touch is detected while the touch persists and there is no other touch detected during the presence of the touch screen , determining that the touch is a user's accidental touch, thereby removing the related information of the touch from the event triggered by the user. Thereby, the malfunction caused by the user holding the portable electronic device can be avoided.

The above described features and advantages of the invention will be apparent from the following description.

10, 30, 40, 60‧‧‧ portable electronic devices

12, 32, 42, 62‧‧‧ touch screens

14, 44‧‧‧ storage unit

142, 442‧‧‧ Touch position judgment module

144, 444‧‧‧ Touch time judgment module

146, 446‧‧‧Touch information removal module

16, 48‧‧ ‧ processing unit

34, 622, 624, 626, 628‧‧‧ marginal areas

448‧‧‧Edge area setting module

46‧‧‧Gravity sensor

S202~S210‧‧‧ steps of the touch detection method according to an embodiment of the present invention

S502~S508‧‧‧ steps of the edge area adjustment method according to an embodiment of the present invention

FIG. 1 is a block diagram of a portable electronic device according to an embodiment of the invention.

2 is a flow chart of a touch detection method according to an embodiment of the invention.

FIG. 3 is a schematic diagram of an edge region according to an embodiment of the invention.

FIG. 4 is a block diagram of a portable electronic device according to an embodiment of the invention.

FIG. 5 is a flow chart of a method for adjusting an edge region according to an embodiment of the invention.

6A and 6B are schematic diagrams showing edge region settings according to an embodiment of the invention.

When the user holds the portable electronic device in a single hand, the finger often touches the touch screen because the frame of the portable electronic device is too narrow, but in this case, the touch detected by the touch screen It is usually a long-term touch in the edge area. The present invention utilizes this feature to accumulate the duration of the touch at the edge of the touch screen and the time when no other touch occurs during the existence of the touch screen. When the accumulated time exceeds the preset time, the touch is determined to be the user. The effect of holding the portable electronic device is not the actual operation of the touch screen by the user, thereby removing the touch from the event it triggers. Thereby, the purpose of avoiding the user's accidental touch can be achieved.

FIG. 1 is a block diagram of a portable electronic device according to an embodiment of the invention. Referring to FIG. 1 , the portable electronic device 10 of the embodiment is, for example, a mobile phone, a smart phone, a personal digital assistant (PDA), a tablet computer, an e-book, and the like, but does not have an electronic device with a touch screen. Limited to this. The portable electronic device 10 includes a touch screen 12, a storage unit 14, and one or more processing units 16. The functions of the portable electronic device 10 are as follows: The touch screen 12 is a display device integrated with the touch detecting component, and can simultaneously provide display. And input functions. The display device is, for example, a liquid crystal display (LCD), a Light-Emitting Diode (LED) display, a Field Emission Display (FED), or the like, but is not limited thereto. The touch detection elements are arranged in a row and arranged on the display device for detecting the touch of the touch screen 12 by a user's finger, palm or other object. The touch detection component may be, for example, a capacitive touch detection component, a surface acoustic wave touch detection component, an electromagnetic touch detection component, or a near field imaging touch detection component, but is not limited thereto.

The storage unit 14 is, for example, any type of fixed or removable random access memory (RAM), read-only memory (ROM), flash memory (Flash memory), hard A disc or other similar device or combination of these devices is used to record a plurality of modules executable by processing unit 16, which are loaded by processing unit 16 to perform the touch detection method of the present invention.

The processing unit 16 is, for example, a central processing unit (Central Processing Unit, CPU), or other programmable general purpose or special purpose microprocessor (Microprocessor), digital signal processor (DSP), programmable controller, special application integrated circuit (Application Specific Integrated Circuits (ASICs), Programmable Logic Devices (PLDs), or other similar devices or combinations of these devices. The processing unit 16 is coupled to the touch screen 12 and the storage unit 14, and can access and execute the module recorded in the storage unit 14 to perform the touch detection function.

The module includes a touch position determining module 142, a touch time determining module 144, and a touch information removing module 146. The modules are, for example, computer programs, which can be loaded into the processing unit 16 to perform touch detection. Test function. The following is a detailed description of the detailed steps of the portable electronic device 10 performing the touch detection method.

2 is a flow chart of a touch detection method according to an embodiment of the invention. Referring to FIG. 2, the method of the present embodiment is applicable to the portable electronic device 10 of FIG. 1. Hereinafter, the detailed steps of the touch detection method of the present invention are described in conjunction with the components in the portable electronic device 10: The touch screen 12 detects the user's touch by the portable electronic device 10 (step S202), and the touch position determining module 142 determines whether the touch position falls on the edge region of the touch screen ( Step S204). The edge region is, for example, an area within the touch screen 12 that is within a predetermined distance from at least one edge of the touch screen 12 . The preset distance can be automatically adjusted according to the frame size of the portable electronic device 10, for example, can be preset to 0.5 to 1 cm, and can be manually adjusted by the user.

For example, FIG. 3 is a schematic diagram of an edge region according to an embodiment of the invention. Referring to FIG. 3, the portable electronic device 30 of the present embodiment sets an area within 1 cm of the upper edge, the lower edge, the left edge, and the right edge of the touch screen 32 to determine the touch position of the user. Edge area 34.

Returning to the flow of FIG. 2, when the touch position determining module 142 determines that the touched position does not fall in the edge area, it can be determined that the touch is not a user's accidental touch, so the flow will return to step S202 and continue. The touch screen 12 detects the next touch of the user. On the other hand, when the touch position determining module 142 determines that the touched position falls on the edge area of the touch screen 12, it is determined that the touch may be a user's false touch, and the touch time determining module 144 accumulates the touch. The touch screen 12 does not detect the time of other touches during the duration of the touch (step S206), and determines whether the time exceeds the preset time (step S208).

In detail, when the user operates the portable electronic device 10 in a single hand, the user generally uses the other hand to operate, and the user picks up the portable electronic device 10 with one hand. There will be a gap between the other hand. In this embodiment, the gap is used to assist in determining whether the user's touch in the edge area is caused by the hand-held portable device 10. The touch is considered to be a user's false touch only if the touch time exceeds the preset time and no other touch is detected within the preset time.

It should be noted that the preset time mentioned above is, for example, between 0.5 seconds and 1 second, but is not limited thereto. If the preset time is set longer, the portable electronic device 10 detects fewer false touches, but the detection result is more accurate; If the preset time is set to be shorter, the portable electronic device 10 can easily detect the false touch, but the relative detection result is also less accurate. Therefore, the user can adjust the length of the preset time at any time according to his operating habits.

Returning to the flow of FIG. 2, when the touch time determination module 144 determines that the accumulated time exceeds the preset time, the touch information removal module 146 will trigger the related information from the event triggered by the touch information removal module 146. It is removed until the end of the touch (step S210). Otherwise, the process returns to step S202 to continue detecting the next touch of the user by the touch screen 12. When the touch screen 12 detects a touch, the screen displayed on the touch screen 12 by the portable electronic device 10 may be a different screen such as a standby screen, a main menu screen, and an application screen currently being executed. Corresponding to the position of the touch on the touch screen 12, the touch may trigger different events, such as triggering an unlock event in the standby screen, triggering an application launch event in the main menu screen, and under the application screen. Trigger an application's operational events, etc. However, after the determination by the above method, the touch detected by the touch screen 12 has been determined to be a false touch, so in this embodiment, the related information of the touch is removed from the event triggered by the touch. , and eliminate the malfunction caused by this touch.

It should be noted that, in this embodiment, the touch detection method is applicable to any time point in the on state of the screen, and the user's false touch can be detected at any time. However, in another embodiment, the touch detection method can be used only at the moment when the portable electronic device wakes up from the screen off state. The touch position determining module 142 activates the touch screen 12 to detect the touch in the edge area, for example, when the screen wake-up signal is detected in the screen off state, and the touch information removal module is removed. 146 decide whether Remove information about the touch from the event triggered by the touch. In particular, when a user starts to use a portable electronic device, the portable electronic device is held by hand and the physical button such as the power button or the Home button is pressed to wake up the screen, and then the touch screen is displayed with the other hand. Take action. In this embodiment, the gap is detected, and when the touch screen is awakened, the edge area is detected to be touched by the user, so that the false touch is eliminated early.

By the above method, the portable electronic device can accurately determine whether the touch of the user on the edge of the touch screen is an accidental touch, and accordingly, the touch is removed from the event triggered by the touch, thereby avoiding portability. Malfunction of the electronic device.

It should be noted that, in the above embodiment, the edge area for determining the touch position is preset on the four edges of the touch screen. In another embodiment, another embodiment of the present invention can further detect the placement of the portable electronic device because the user is accustomed to being held on both sides of the portable electronic device when holding the hand in a single hand. Direction, and adjust the position of the edge area to match the actual operation of the user. The following is a detailed description of an embodiment.

FIG. 4 is a block diagram of a portable electronic device according to an embodiment of the invention. Referring to FIG. 1 , the portable electronic device 40 of the embodiment is, for example, an electronic device with a touch screen such as a mobile phone, a smart phone, a personal digital assistant, a tablet computer, or an e-book, but is not limited thereto. The portable electronic device 40 includes a touch screen 42 , a storage unit 44 , a gravity sensor 46 , and one or more processing units 48 . The types and functions of the touch screen 42 , the storage unit 44 , and the processing unit 48 are the same as or similar to the touch screen 12 , the storage unit 14 , and the processing unit 16 in the foregoing embodiments. Therefore, it will not be repeated here.

The portable electronic device 40 of the present embodiment is additionally configured with a gravity sensor 46, which can be used to detect the component of the portable electronic device 40 on the three axes, thereby obtaining a portable type. The electronic device 40 is currently placed.

In addition, the storage unit 44 stores the touch position determining module 442, the touch time determining module 444, the touch information removing module 446, and the edge area setting module 448, wherein the touch position determining module 442, touch The time determination module 444 and the touch information removal module 446 are the same as or similar to the touch position determination module 142, the touch time determination module 144, and the touch information removal module 146 in the foregoing embodiment. Its function will not be described here. Different from the foregoing embodiment, in this embodiment, the edge area setting module 448 detects the placement state of the portable electronic device 40 by using the gravity sensor 46 before detecting the touch, and determines the follow-up state accordingly. The edge area used to determine where the touch is.

In detail, FIG. 5 is a flowchart of a method for adjusting an edge region according to an embodiment of the invention. Referring to FIG. 5 , the method of the present embodiment is applicable to the portable electronic device 40 of FIG. 4 . Hereinafter, the detailed steps of the touch detection method of the present invention are described in conjunction with various components of the portable electronic device 40 : first, The portable electronic device 40 detects the state of the portable electronic device 40 by using the gravity sensor 46 (step S502), wherein the gravity sensor 46 detects, for example, the component of the portable electronic device 40 in the three-axis direction, thereby It is judged that the current state of the portable electronic device 40 is in a horizontal state or an upright state.

Then, the edge area setting module 448 is used to determine the touch position. The edge area is set to two edge areas of the touch screen 42 in the horizontal direction in the placed state detected by the gravity sensor 46 (step S504).

After the setting is completed, the edge area setting module 448 continues to use the gravity sensor 46 to detect whether the placement state of the portable electronic device 40 is changed (step S506). If the placement state of the portable electronic device 40 is unchanged, the originally set edge region is maintained; otherwise, if the placement state of the portable electronic device 40 is changed, the edge region setting module 448 is used to determine The edge area of the touch position is adjusted to the two edge areas of the touch screen 42 in the horizontal direction in the changed state (step S508).

For example, FIG. 6A and FIG. 6B are schematic diagrams of edge region settings according to an embodiment of the invention. Referring to FIG. 6A, when the portable electronic device 60 detects the placement state of the portable electronic device 60 by using a gravity sensor (not shown), the left edge region 622 of the touch screen 62 at this time will be 622. And the right edge region 624 is set as an edge region for subsequent determination of the touch position. Referring to FIG. 6B again, when the portable electronic device 60 detects that its placement state is changed to an upright state by using a gravity sensor (not shown), the left edge region 626 of the touch screen 62 at this time will be 626. And the right edge region 628 is set as an edge region for subsequent determination of the touch position.

In summary, the portable electronic device and the touch detection method thereof of the present invention detect the touch located in the edge region of the touch screen according to the operation mode of the user's handheld portable electronic device, and touch If the touch persists and no other touch is detected during the presence, it is determined that the touch is a user's accidental touch, and the related information of the touch is removed from the event triggered by the user. Thereby, the user can be prevented from carrying the portable type Malfunction caused by electronic devices. According to the present invention, the edge region is dynamically adjusted according to the placement state of the portable electronic device to conform to an area where the current user operation may be mis-touched.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

S202~S210‧‧‧ steps of the touch detection method according to an embodiment of the present invention

Claims (10)

A touch detection method for a portable electronic device is applicable to a portable electronic device having a touch screen, the method comprising the steps of: detecting a touch by using the touch screen, and determining the touch Whether the position falls on an edge region of the touch screen; when the touched position falls on the edge region, the accumulated touch continues to exist and the touch screen does not detect other touches, and judges Whether the time exceeds the preset time; and when the time exceeds the preset time, a related information of the touch is removed from an event triggered by the touch until the touch ends. The touch detection method of the portable electronic device according to the first aspect of the invention, wherein the portable electronic device further comprises a gravity sensor, and determining whether the touch position falls on the touch Before the step of controlling the edge region of the screen, the method further includes: detecting, by the gravity sensor, a placement state of the portable electronic device, wherein the placement state is one of a horizontally placed state and an upright state; The edge region set to determine the position of the touch is two edge regions of the touch screen in a horizontal direction in the placed state. The method for detecting a touch of a portable electronic device according to claim 2, wherein the edge region in the position for determining the touch is the display state of the touch screen at the level After the steps of the two edge regions in the direction, it further includes: Using the gravity sensor to detect whether the placement state is changed; and when the placement state is changed, adjusting the edge region for determining the location of the touch is the changed touch screen state Two edge regions in the horizontal direction. The method for detecting a touch of a portable electronic device according to the first aspect of the invention, wherein the step of detecting the touch by using the touch screen comprises: detecting a screen wake-up signal in a screen off state; And when the screen wake-up signal is detected, the touch screen is activated to detect the touch located in the edge area to determine whether the related information of the touch is removed from the event triggered by the touch. The method for detecting a touch of a portable electronic device according to claim 1, wherein the edge region is an area within a predetermined distance from at least one edge of the touch screen. A portable electronic device includes: a touch screen for detecting a touch; a storage unit for recording a plurality of modules; and one or more processing units connected to the touch screen and the storage unit for storing Taking the module recorded in the storage unit, the module includes: a touch position determining module, determining whether the touched position detected by the touch screen falls on the touch screen An edge region; a touch time judging module, when the touch position judging module judges that the touch position falls on the edge region, the accumulated touch continues to exist and the touch screen is not Detecting the time of other touches and determining whether the time exceeds the preset time; and touching the information removal module, when the touch time determination module determines that the accumulated time exceeds the preset time, A related event triggered by the touch removes a related information of the touch until the touch ends. The portable electronic device of claim 6, further comprising: a gravity sensor for detecting a state of being placed in the portable electronic device, wherein the placed state is a horizontal position and an upright position In one of the states, the module further includes: an edge area setting module, and the edge area configured to determine the position of the touch is the touch state detected by the gravity sensor The screen is in two edge areas in a horizontal direction. The portable electronic device of claim 7, wherein the edge area setting module further detects whether the placement state is changed by using the gravity sensor, and adjusts when the placement state is changed. The edge area for determining the position of the touch is the two edge areas of the touch screen in the horizontal direction in the changed state. The portable electronic device of claim 6, wherein the touch position determining module activates the touch screen detection at the edge when a screen wake-up signal is detected in a screen off state. The touch of the area to determine whether the related information of the touch is removed from the event triggered by the touch. The portable electronic device of claim 6, wherein the edge region is an area within a predetermined distance from at least one edge of the touch screen.