TWI549015B - Electronic apparatus and method for unlocking screen - Google Patents

Description

Electronic device and screen unlocking method thereof

The present invention relates to a method of operating a user interface, and more particularly to a method of unlocking a screen.

In today's era of information explosion, human life is inseparable from electronic communication. People often use portable electronic devices to transmit messages to each other, especially mobile communication devices that can be carried around, such as mobile phones or with wireless communication. Functional mobile devices, etc. However, for a portable, mobile device that requires a light, thin, short, and small form factor, its own size is limited. Therefore, the touch screen system uses the keyboard to be integrated into the screen as a portable electronic device. The input interface of the device can save the cost and the occupied area of the traditional keyboard.

However, the touch screen is very sensitive to external touches, and the user may inadvertently touch the screen button displayed on the touch screen to accidentally perform a specific function, such as a call function. Therefore, the mobile device has a screen lock mode to prevent the touch screen from being accidentally touched by the user.

In the screen lock mode, the user must complete a specific unlock operation before the input interface can be used normally. Then, the user operates the touch screen to open and execute the required application.

The invention provides an electronic device and a screen unlocking method thereof, which can be reduced The probability of accidental unlocking.

The invention provides a screen unlocking method suitable for an electronic device with a touch screen. In the screen lock mode, a plurality of unlocking blocks and a plurality of non-unlocking blocks are divided in the touch screen. Moreover, the unlocked block and the non-unlocked block are respectively detected by the touch screen. The screen lock mode is maintained when any of the non-unlocked blocks are touched or any of the unlocked blocks are not touched. When all unlocked blocks are touched at the same time and all non-unlocked blocks are not touched, the screen lock mode is released.

In an embodiment of the present invention, in the screen locking mode, in the step of allocating the unlocking block and the non-unlocking block in the touch screen, the unlocking blocks and the non-unlocking areas are randomly allocated in the touch screen. Piece. And, the allocated unlocked blocks and the positions of the non-unlocked blocks are recorded.

In an embodiment of the present invention, after the step of allocating the unlocking block and the non-unlocking block in the touch screen in the screen locking mode, the unlocking block is displayed in the touch screen to hide the non-unlocking block. Or, the unlocked block and the non-unlocked block are simultaneously displayed on the touch screen.

In an embodiment of the invention, the screen unlocking method further includes releasing the screen lock mode after detecting that the touch of the unlocking block is released.

The invention further provides an electronic device comprising a touch screen, a processing unit and a storage unit. The processing unit is coupled to the touch screen and the storage unit respectively. The touch screen is used to detect a user's touch. The storage unit is configured to store the multi-code segment for the processing unit to perform the following steps: dividing the unlocking block and the plurality of unlocking blocks in the touch screen in the screen locking mode The non-unlocked block is detected, and the unlocked block and the non-unlocked block are respectively detected through the touch screen. The screen lock mode is maintained when any of the non-unlocked blocks are touched or any of the unlocked blocks are not touched. When all unlocked blocks are touched at the same time and all non-unlocked blocks are not touched, the screen lock mode is released.

Based on the above method, a plurality of objects to be touched by the user and objects that are inaccessible to the user can be displayed on the touch screen, and the user can be unlocked after the user touches the condition. . According to this, the probability of occurrence of false unlocking can be reduced.

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

Generally, in the screen lock mode, the user must complete a specific unlock operation before the input interface can be used normally. The invention provides a screen unlocking method, which can reduce the probability of the user unlocking the screen due to a false touch. In order to clarify the content of the present invention, the following specific examples are given as examples in which the present invention can be implemented.

1 is a block diagram of an electronic device in accordance with an embodiment of the present invention. Referring to FIG. 1 , the electronic device 100 includes a touch screen 110 , a processing unit 120 , and a storage unit 130 . The processing unit 120 is, for example, a central processing unit (CPU), which is coupled to the touch screen 110 and the storage unit 130 respectively. The touch screen 110 is used to detect a user's touch. The storage unit 130 is configured to store a plurality of code segments for processing Unit 120 performs a screen unlocking method.

Here, the electronic device 100 is, for example, a mobile phone, a personal digital assistant, a personal digital assistant mobile phone, a smart phone, a tablet computer, a notebook computer, and the like. For example, a computer software can be written in a programming language, and the computer software is installed in the storage unit 130 of the electronic device 100, so that the computer software is executed by the processing unit 120 to implement the steps of the bottom screen unlocking method.

In this embodiment, when the electronic device 100 has entered the screen lock mode, the processing unit 120 determines whether to cancel the screen lock mode according to the touch operation of the user on the touch screen 110. The electronic device 100 enters the screen lock mode automatically, for example, when the user does not detect the operation for a certain period of time, or enters the screen lock mode when receiving the indication signal of the screen lock function, and is not limited thereto. Its scope.

In the screen lock mode of the electronic device 100, the touch screen 110 is used to detect the touch operation of the user. For example, the user can touch the touch screen 110 with a finger (or a stylus) to start the touch operation until the finger (or stylus) leaves the touch screen 110.

The steps of the screen unlocking method are described below with the electronic device 100 described above. 2 is a flow chart of a screen unlocking method in accordance with an embodiment of the present invention. Referring to FIG. 1 and FIG. 2 simultaneously, in step S205, in the screen lock mode, the processing unit 120 divides a plurality of unlocking blocks and a plurality of non-unlocking blocks in the screen of the touch screen 110. And, the locations of these unlocked blocks and non-unlocked blocks are recorded to the storage unit 130.

And the unlocked block and the non-unlocked block are allocated bits in the touch screen 110. The settings can be preset, and these unlocked blocks and these non-unlocked blocks can also be randomly assigned. If the position of the unlocked block and the non-unlocked block allocated in the touch screen 110 is preset in advance, the unlocked block and the non-unlocked block will be in the same position as the previous time when unlocking each time. If the positions of the unlocked blocks and the non-unlocked blocks allocated in the touch screen 110 are randomly allocated, the positions of the unlocked blocks and the non-unlocked blocks may be different each time the unlocking is performed.

In addition, the unlocking block can be displayed in the touch screen 110 while the non-unlocking block is hidden. Alternatively, the unlocked block and the non-unlocked block are simultaneously displayed in the touch screen 110. When the unlocking block and the non-unlocking block are simultaneously displayed on the touch screen 110, the unlocked block and the non-unlocked block may be presented in different forms. For example, the unlocked block is rendered in a first color and the non-unlocked block is in a second color. Alternatively, the unlocked block and the non-unlocked block are represented in two different shapes.

Then, in step S210, the unlocking block and the non-unlocking block are respectively detected by the touch screen 110, and it is determined that the step S230 is to be executed in the screen locking mode, or the screen locking is performed in step S225. mode. For example, the unlocked block and the non-unlocked block are recorded in the touch screen 110, and the touch screen 110 is used to determine whether the touch coordinate of the received touch signal is located in the unlocked block. Within the location. If the touch coordinates of the received touch signal are located in the position allocated by the unlocking block, it means that the unlocking block is touched. On the other hand, if the touch coordinates of the received touch signal are located in the position allocated by the non-unlocked block, it means that the non-unlocked block is touched.

In the embodiment, step S215 and step S220 are included in step S210. Here, in step S215, the touch screens 110 are respectively detected whether the unlocked blocks are touched at the same time. If one of the unlocking blocks is not touched (ie, the unlocking block is not simultaneously touched), step S230 is performed to maintain the screen locking mode. If the unlocking blocks are touched at the same time, step S220 is performed to further determine whether the non-unlocked blocks are not touched. When the unlocking block is touched at the same time, and the non-unlocked block is not touched, step S225 is performed to cancel the screen lock mode. In addition, if one of the non-unlocked blocks is touched, step S230 is performed.

Here, when it is detected that all the non-unlocked blocks are not touched, the screen lock mode can be released after detecting that all the unlocked blocks are released. That is, when the finger leaves the touch screen 110, the screen lock mode is released.

In other embodiments, it may be determined whether the non-unlocked block is touched, and further determining whether the unlocked block is touched at the same time. If one of the non-unlocked blocks is touched, it is not necessary to further determine whether all of the unlocked blocks are touched at the same time. The order in which the non-unlocked block and the unlocked block are touched is not limited here.

An embodiment is further described below to illustrate the allocation of unlocked blocks and non-unlocked blocks in the touch screen. 3A and 3B are schematic diagrams of a touch screen according to an embodiment of the invention. In this embodiment, the electronic device 300 is a smart phone and has a touch screen 310.

In FIG. 3A, the touch screen 310 includes touch blocks 311-323. It is assumed that the touch blocks 311, 313, and 315 are unlocked blocks, and the touch blocks 317, 319, 321, and 323 are non-unlocked blocks. In this embodiment, the unlocked block and the non-unlocked block are simultaneously displayed in the screen of the touch screen 310, and the dotted frame represents the non-unlocked block, and the solid line frame represents the unlocked block. However, for the sake of illustration, the unlocked block and the non-unlocked block may be separated by different shapes, different colors, and the like. When the user wants to release the screen lock mode, the touch blocks 311, 313, and 315 are touched at the same time, and the touch blocks 317, 319, 321, and 323 are not touched to smoothly cancel the screen lock mode.

In FIG. 3B, the touch screen 310 is equally divided into eight touch blocks 331-345. It is assumed that the touch blocks 333, 341, 345 are unlocked blocks, and the touch blocks 331, 335, 337, 339, 343 are non-unlocked blocks, and the unlocked blocks are indicated by diagonal lines. When the user wants to release the screen lock mode, the touch blocks 333, 341, and 345 are touched at the same time, and the touch blocks 331, 335, 337, 339, and 343 are not touched, and the screen lock can be smoothly released. mode.

In summary, by the method of the above embodiment, a plurality of objects to be touched by the user and objects that are not touched by the user can be displayed on the touch screen, and the condition is immediately after the user touches Can be unlocked. Through the above method, even if all the unlocked blocks are touched at the same time, if one of the non-unlocked blocks is touched, the screen lock mode cannot be released. Accordingly, the probability of occurrence of a false unlock can be reduced, for example, the user's palm can be prevented from covering the entire touch screen and unlocked.

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 does not deviate. In the spirit and scope of the present invention, the scope of protection of the present invention is defined by the scope of the appended claims.

100, 300‧‧‧ electronic devices

110, 310‧‧‧ touch screen

120‧‧‧Processing unit

130‧‧‧storage unit

311~323, 331~345‧‧‧ touch block

S205~S230‧‧‧ steps of the screen unlocking method of the present invention

1 is a block diagram of an electronic device in accordance with an embodiment of the present invention.

2 is a flow chart of a screen unlocking method in accordance with an embodiment of the present invention.

3A and 3B are schematic diagrams of a touch screen according to an embodiment of the invention.

S205~S230‧‧‧ steps of the screen unlocking method of the present invention

Claims (10)

A screen unlocking method is applicable to an electronic device having a touch screen, the method comprising: assigning a plurality of unlocking blocks and a plurality of non-unlocking blocks in the touch screen in a screen locking mode; The touch screen respectively detects whether the unlocked blocks and the non-unlocked blocks are touched; when any of the non-unlocked blocks is touched or none of the unlocked blocks are touched, Maintaining the screen lock mode, first determining whether any of the non-unlocked blocks are touched, and further determining whether all of the unlocked blocks are touched at the same time, if any of the non-unlocked blocks are touched When the touch is on, the screen lock mode is maintained; and when all of the unlock blocks are touched at the same time, and all of the non-unlocked blocks are not touched, the screen lock mode is released. The screen unlocking method of claim 1, wherein in the screen locking mode, the step of allocating the unlocking blocks and the non-unlocking blocks in the touch screen comprises: randomly assigning the unlockings a block and the non-unlocked blocks; and recording the unlocked blocks and locations of the non-unlocked blocks. The screen unlocking method of claim 1, wherein in the screen locking mode, after the step of allocating the unlocking blocks and the non-unlocking blocks in the touch screen, the method further comprises: The unlocking blocks are displayed on the touch screen to hide the non-unlocked blocks. The screen unlocking method of claim 1, wherein in the screen locking mode, after the step of allocating the unlocking blocks and the non-unlocking blocks in the touch screen, the method further comprises: The unlocking blocks and the non-unlocking blocks are simultaneously displayed in the touch screen. The screen unlocking method of claim 1, further comprising: releasing the screen lock mode after detecting that all the touch blocks are released. An electronic device comprising: a touch screen for detecting a user's touch; a processing unit coupled to the touch screen; and a storage unit coupled to the processing unit for storing a plurality of code segments The processing unit performs the following steps: in a screen lock mode, a plurality of unlocking blocks and a plurality of non-unlocking blocks are allocated in the touch screen; and the unlocking blocks are respectively detected by the touch screen and Whether the non-unlocked blocks are touched; when any one of the non-unlocked blocks is touched or any of the unlocked blocks are not touched, maintaining the screen lock mode, wherein the non-unlocked blocks are first determined Whether any of the unlocked blocks is touched, and further determining whether all of the unlocked blocks are touched at the same time, and if any of the non-unlocked blocks are touched, maintaining the screen lock mode; and when all The unlocking blocks are touched at the same time, and all of them are The non-unlocked block is not touched, and the screen lock mode is released. The electronic device of claim 6, wherein the processing unit randomly allocates the unlocking blocks and the non-unlocking blocks, and records the unlocking blocks and the positions of the non-unlocking blocks to the Storage unit. The electronic device of claim 6, wherein the processing unit displays the unlocking blocks in the touch screen to hide the non-unlocked blocks, or simultaneously display the unlockings in the touch screen. Blocks and these non-unlocked blocks. The electronic device of claim 6, wherein the processing unit detects the unlocked block while being touched, and the non-unlocked blocks are not touched. After the touches of the unlocked blocks are released, the screen lock mode is released. The electronic device of claim 6, wherein the processing unit detects that all the touched blocks are released by the touch screen, and the non-unlocked blocks are not touched. , the screen lock mode is released.