TWI638309B - Virtual keyboard adjustment method and touch device - Google Patents

Abstract

A method for adjusting a virtual keyboard is applicable to a first touch device. The first touch device displays a virtual keyboard, and the virtual keyboard includes a plurality of buttons. The adjustment method includes the following steps: adjusting the position and size of the virtual keyboard displayed on the first touch device according to the operation range of the user; collecting a plurality of first click points of the plurality of first click operations of the user on the virtual keyboard and respectively a button corresponding to the first click point; analyzing a plurality of press profiles of the plurality of buttons according to the plurality of first click points; and determining a second click of the second click operation according to the press profile and the center point of the button Point the corresponding button.

Description

Virtual keyboard adjustment method and touch device

The present invention relates to a method for adjusting a virtual keyboard and a touch device, and particularly relates to a method for adjusting a virtual keyboard for adjusting a click operation and a touch device.

At present, touch devices (such as touch phones) have become popular portable devices. In the case of no physical keyboard, the virtual keyboard is usually used for typing, and the size of the virtual keyboard is different due to the size of the device screen. Different and different, in the case of one-handed operation, it is necessary to reconcile the size of the virtual keyboard of the device and often have the problem of typing.

Therefore, how to more effectively identify and correct the user's click operation on the virtual keyboard and reduce the time for the user to adapt to different touch devices is one of the problems to be improved in the field.

One aspect of the case is to provide a method of adjusting a virtual keyboard. This adjustment method is applicable to the first touch device. The first touch device displays a virtual keyboard, and the virtual keyboard includes a plurality of buttons. The adjustment method includes the following steps: adjusting the position and size of the virtual keyboard displayed on the first touch device according to the operation range of the user; collecting a plurality of first click points of the plurality of first click operations of the user on the virtual keyboard and One of a plurality of buttons corresponding to the plurality of first click points; analyzing a plurality of press profiles of the plurality of buttons according to the plurality of click points; and a plurality of centers according to the plurality of press maps and the plurality of buttons Pointing, determining one of a plurality of buttons corresponding to a second click point of a second click operation of the user.

Another aspect of the present invention is to provide a touch device. The touch device displays a virtual keyboard, and the virtual keyboard includes a plurality of buttons. The touch device includes a sensor and a processor. The sensor is configured to sense a user's operating range and sense a plurality of first click points of the plurality of first click operations of the user on the virtual keyboard. The processor is configured to adjust a position and a size of the virtual keyboard displayed on the touch device according to the operating range, and collect one of the plurality of first click points and the plurality of buttons corresponding to the plurality of first click points, and according to the plurality of Clicking a point to analyze a plurality of press maps of the plurality of buttons, the processor further configured to determine, according to the plurality of press maps and the plurality of center points of the plurality of buttons, the second click point of the second click operation of the user One of the corresponding multiple buttons.

Therefore, according to the technical aspect of the present invention, the embodiment of the present invention provides a virtual keyboard adjustment method and a touch device, and particularly a method for adjusting a virtual keyboard for adjusting a click operation and a touch device, thereby being more effective. Identifying and correcting the user's click operation on the virtual keyboard, and simultaneously updating the plurality of touch devices through the cloud server to reduce the time for the user to adapt to different touch devices.

The following disclosure provides many different embodiments or illustrations for implementing different features of the invention. The elements and configurations of the specific illustrations are used in the following discussion to simplify the disclosure. Any examples discussed are for illustrative purposes only and are not intended to limit the scope and meaning of the invention or its examples. In addition, the present disclosure may repeatedly recite numerical symbols and/or letters in different examples, which are for simplicity and elaboration, and do not specify the relationship between the various embodiments and/or configurations in the following discussion.

The terms used in the entire specification and the scope of the patent application, unless otherwise specified, generally have the ordinary meaning of each term used in the field, the content disclosed herein, and the particular content. Certain terms used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in the description of the disclosure.

"Coupling" or "connecting" as used herein may mean that two or more elements are in direct physical or electrical contact with each other, or indirectly in physical or electrical contact with each other, and "coupled" or " Connections may also mean that two or more elements operate or interact with each other.

The use of the terms first, second, and third, etc., is used to describe various elements, components, regions, layers and/or blocks. However, these elements, components, regions, layers and/or blocks should not be limited by these terms. These terms are only used to identify a single element, component, region, layer, and/or block. Thus, a singular element, component, region, layer and/or block may be referred to as a second element, component, region, layer and/or block, without departing from the spirit of the invention. As used herein, the term "and/or" encompasses any combination of one or more of the listed associated items. "and/or" as used in this document refers to any combination of any, all or at least one of the listed elements.

Please refer to Figure 1. FIG. 1 is a schematic diagram of a touch device 100 according to some embodiments of the present disclosure. The touch device 100 includes a sensor 110 and a processor 130. The processor 130 is coupled to the sensor 110. The touch device 100 displays a virtual keyboard 150. In some embodiments, the virtual keyboard 150 is electrically coupled to the processor 130 and the sensor 110, respectively.

FIG. 2 is a schematic diagram of a touch device 100 according to some embodiments of the present disclosure. Please refer to Figure 1 and Figure 2 together. The virtual keyboard 150 includes a plurality of buttons K1-K4.

The sensor 110 senses the operating range 210 of the user, and the processor 130 adjusts the position and size of the virtual keyboard 150 displayed on the touch device 100 according to the operating range 210.

In some embodiments, the processor 130 is further configured to set the size of the virtual keyboard 150 according to the initial click operation of the user. For example, see Figure 2. If the click point of the initial click operation of the user is the click point A, the processor 130 sets the size of the virtual keyboard 150 to be within the operating range 210 of the click point A and the lower left corner of the touch device 100.

FIG. 3 is a schematic diagram of a touch device 100 according to some embodiments of the present disclosure. Referring to FIG. 3, in some embodiments, the processor 130 is further configured to set the location of the virtual keyboard 150 according to the initial click operation of the user. For example, if the user's left hand 900 is held by the touch device 100 on the left side of the touch device 100 during the initial click operation, and the user holds the touch device 100, the user The farthest click point that can be clicked is the click point A, and the processor 130 sets the size of the virtual keyboard 150 to be within the operating range 210 of the click point A and the lower left corner of the touch device 100.

Referring to FIGS. 1 and 3 together, the sensor 110 senses a plurality of click points of a plurality of click operations of the user on the virtual keyboard 150. The processor 130 collects a plurality of click points and buttons corresponding to the plurality of click points respectively, and analyzes respective press profiles of the plurality of buttons according to the plurality of click points.

4 is a schematic diagram of a portion of a virtual keyboard 400 of a virtual keyboard 150, according to some embodiments of the present disclosure. For convenience of explanation and understanding, FIG. 4 only shows a part of the virtual keyboard 150. For example, please refer to Figure 4. In some embodiments, a plurality of click points P11-P13 correspond to keyboard K1. The processor 130 collects a plurality of click points P11-P13 corresponding to the keyboard K1, and analyzes the press maps N11-N13 of the keyboard K1. In some embodiments, the compression profiles N11-N13 are concentric circles. The press profile N11 is a concentric circle of the innermost circle, the press profile N12 is a concentric circle including the range of the press profile N11, and the press profile N13 is a range including the press profile N11 and the press profile N12. Concentric circles inside.

In some embodiments, the compression profile is a normal distribution. For example, 68.26% of the plurality of click points P11-P13 corresponding to the keyboard K1 are located within the range of the press profile N11, and 95.44% of the plurality of click points P11-P13 corresponding to the keyboard K1 are located in the range of the press profile N12. Within the range, the plurality of click points P11-P13 corresponding to the keyboard K1 are 99.72% located within the range of the press profile N13.

Similarly, a plurality of click points P21-P23 correspond to the keyboard K1. The processor 130 collects a plurality of click points P21-P23 corresponding to the keyboard K2, and analyzes the press maps N21-N23 of the keyboard K2. In some embodiments, the compression profile is a normal distribution. For example, 68.26% of the plurality of click points P21-P23 corresponding to the keyboard K2 are located within the range of the press profile N21, and 95.44% of the plurality of click points P21-P23 corresponding to the keyboard K2 are located in the range of the press profile N22. Within the range, the plurality of click points P21-P23 corresponding to the keyboard K2 are 99.72% located within the range of the press profile N23.

The above-mentioned pressure distribution map and the above ratio are only exemplified, and the present invention is not limited thereto.

The processor 130 determines a button corresponding to a click point of the user's click operation according to the pressing profile and the plurality of center points of the plurality of buttons.

In some embodiments, the processor 130 is further configured to calculate a distance between the click points and the plurality of center points of the plurality of buttons, and determine that the smallest one of the distances is a button corresponding to the click point.

For example, please refer to Figure 5 together. FIG. 5 is a schematic diagram of a virtual keyboard 150 according to some embodiments of the present disclosure. The virtual keyboard 150 includes a plurality of buttons K1-K4. The center point of the button K1 is the center point C1. The center point of the button K2 is the center point C2. The center point of the button K3 is the center point C3. The center point of the button K4 is the center point C4. When the sensor 110 senses the click point B of the click operation of the user on the virtual keyboard 150, the processor 130 calculates the distance LB1 of the click point B with respect to the center point C1 of the button K1, and calculates the click point B relative to the button. The distance LB2 of the center point C2 of K2 calculates the distance LB3 of the click point B with respect to the center point C3 of the button K3, and calculates the distance LB4 of the click point B with respect to the center point C4 of the button K4.

The processor 130 determines that the distance LB1 of the click point B with respect to the center point C1 of the button K1 is the smallest of the distances LB1 - LB4, and therefore the processor 130 determines that the button corresponding to the click point B is the button K1.

In some embodiments, when the difference between two of the plurality of distances is less than the difference threshold, the button corresponding to the click point is determined based on the plurality of press profiles.

For example, please refer to Figure 4 together. When the sensor 110 senses the click point D of the click operation of the user on the virtual keyboard 150, the processor 130 calculates the distance LD1 of the click point D with respect to the center point C1 of the button K1, and calculates the click point D relative to the button. The distance LD2 of the center point C2 of K2.

If the difference between the distance LD1 and the distance LD2 is less than the difference threshold, it indicates that the position of the click point D is not very clear, possibly because the click point D is located near the boundary between the button K1 and the button K2. When the difference between the distance LD1 and the distance LD2 is less than the difference threshold, the processor 130 determines the button corresponding to the click point D according to the press profile N11-N13 of the button K1 and the press profile N21-N23 of the button K2.

As shown in FIG. 4, the click point D is located within the range of the press profile N13 of the button K1, and the click point D is not within the range of the press profile N21-N23 of the button K2. That is to say, the click point D has a higher probability corresponding to the button K1. Therefore, the processor 130 determines that the button K1 is a button corresponding to the click point D.

By using the press map to adjust the determination of the button corresponding to the click point, the click operation of the user on the virtual keyboard can be more effectively identified and corrected.

Please refer back to Figure 1. In some embodiments, the touch device 100 further includes a communication interface 170. The communication interface 170 is configured to transmit the plurality of press profiles and the position and size of the virtual keyboard 150 to a server (not shown). When the user uses another touch device, the other touch device can download a plurality of press profiles and the position and size of the virtual keyboard 150 by the server. When the user uses another touch device, the other touch device can be adjusted to the position and size of the virtual keyboard that the user is accustomed to, and the decision of the button corresponding to the click point is adjusted according to the user's usage habits, and the touch is lowered. The user adapts to the time of different touch devices.

Please refer to Figure 6. FIG. 6 is a flow chart of an adjustment method 600 according to some embodiments of the present disclosure. As shown in FIG. 6, the adjustment method 600 includes the following steps:

Step S630: Adjust the position and size of the virtual keyboard displayed on the touch device according to the operating range of the user;

Step S650: collecting a plurality of click points of the plurality of click operations of the user on the virtual keyboard and buttons corresponding to the plurality of click points respectively;

Step S670: analyzing a plurality of press profiles of the plurality of buttons according to the plurality of click points;

Step S690: determining a button corresponding to a click point of the user's click operation according to the plurality of press profiles and the plurality of center points of the plurality of buttons.

In order to make the adjustment method 600 of the embodiment of the present invention easy to understand, please refer to FIG. 1 to FIG. 6 together.

In step S630, the position and size of the virtual keyboard displayed on the touch device are adjusted according to the operating range of the user. In some embodiments, step S630 can be performed by processor 130 in FIG. For example, the processor 130 adjusts the position and size of the virtual keyboard 150 displayed on the touch device 100 according to the operating range 210.

In some embodiments, step S630 further includes setting the size of the virtual keyboard 150 according to the initial click operation of the user. For example, see Figure 2. If the click point of the initial click operation of the user is the click point A, the processor 130 sets the size of the virtual keyboard 150 to be within the operating range 210 of the click point A and the lower left corner of the touch device 100.

In some embodiments, step S630 further includes setting the location of the virtual keyboard 150 according to the initial click operation of the user. Please refer to Figure 3. If the user's hand 900 is held by the touch device 100 on the left side of the touch device 100 during the initial click operation, and the user holds the touch device 100, the user can click it. The farthest click point is the click point A, and the processor 130 sets the size of the virtual keyboard 150 to be within the operating range 210 of the click point A and the lower left corner of the touch device 100.

In step S650, a plurality of click points of the plurality of click operations of the user on the virtual keyboard and buttons corresponding to the plurality of click points are collected. In some embodiments, step S650 can be performed by processor 130 in FIG. For example, the processor 130 collects a plurality of click points P11-P13 and a keyboard K1 corresponding to the plurality of click points P11-P13. The processor 130 collects a plurality of click points P21-P23 and a keyboard K2 corresponding to the plurality of click points P21-P23.

In step S670, a plurality of press profiles of the plurality of buttons are analyzed according to the plurality of click points. In some embodiments, step S670 can be performed by processor 130 in FIG. For example, please refer to Figure 4. In some embodiments, a plurality of click points P11-P13 correspond to keyboard K1. The processor 130 collects a plurality of click points P11-P13 corresponding to the keyboard K1, and analyzes the press maps N11-N13 of the keyboard K1. In some embodiments, the compression profile is a normal distribution. For example, 68.26% of the plurality of click points P11-P13 corresponding to the keyboard K1 are located within the range of the press profile N11, and 95.44% of the plurality of click points P11-P13 corresponding to the keyboard K1 are located in the range of the press profile N12. Within the range, the plurality of click points P11-P13 corresponding to the keyboard K1 are 99.72% located within the range of the press profile N13.

In step S690, a button corresponding to a click point of the user's click operation is determined based on the plurality of press maps and the plurality of center points of the plurality of buttons. In some embodiments, step S690 can be performed by processor 130 in FIG.

In some embodiments, step S690 further includes calculating a distance of each of the plurality of center points of the plurality of buttons of the click point, and determining that the smallest of the distances is a button corresponding to the click point. For example, please refer to Figure 5 together. When the sensor 110 senses the click point B of the click operation of the user on the virtual keyboard 150, the processor 130 calculates the distance LB1 of the click point B with respect to the center point C1 of the button K1, and calculates the click point B relative to the button. The distance LB2 of the center point C2 of K2 calculates the distance LB3 of the click point B with respect to the center point C3 of the button K3, and calculates the distance LB4 of the click point B with respect to the center point C4 of the button K4.

The processor 130 determines that the distance LB1 of the click point B with respect to the center point C1 of the button K1 is the smallest of the distances LB1 - LB4, and therefore the processor 130 determines that the button corresponding to the click point B is the button K1.

In some embodiments, step S690 further includes determining a button corresponding to the click point according to the plurality of press profiles when the difference between the two of the plurality of distances is less than the difference threshold.

For example, please refer to Figure 4 together. When the sensor 110 senses the click point D of the click operation of the user on the virtual keyboard 150, the processor 130 calculates the distance LD1 of the click point D with respect to the center point C1 of the button K1, and calculates the click point D relative to the button. The distance LD2 of the center point C2 of K2.

If the difference between the distance LD1 and the distance LD2 is less than the difference threshold, it indicates that the position of the click point D is not very clear, possibly because the click point D is located near the boundary between the button K1 and the button K2. When the difference between the distance LD1 and the distance LD2 is less than the difference threshold, the processor 130 determines the button corresponding to the click point D according to the press profile N11-N13 of the button K1 and the press profile N21-N23 of the button K2.

As shown in FIG. 4, the click point D is located within the range of the press profile N13 of the button K1, and the click point D is not within the range of the press profile N21-N23 of the button K2. That is to say, the click point D has a higher probability corresponding to the button K1. Therefore, the processor 130 determines that the button K1 is a button corresponding to the click point D.

In some embodiments, the adjustment method 600 further includes transmitting the plurality of press profiles and the position and size of the virtual keyboard 150 to a server (not shown), and the server will press the map and the position and size of the virtual keyboard 150. Transfer to another touch device. When the user uses another touch device, the other touch device can download a plurality of press profiles and the position and size of the virtual keyboard 150 by the server. When the user uses another touch device, the other touch device can adjust to the position and size of the virtual keyboard that the user is accustomed to, and adjust the determination of the button corresponding to the click point according to the user's usage habit.

In some embodiments of the present disclosure, the processor 130 may be a server, a circuit, a central processing unit (CPU) having functions of storing, computing, reading data, receiving signals or messages, transmitting signals or messages, Microprocessor (MCU) or other equivalent device.

In some embodiments of the present disclosure, the sensor 110 may be a circuit with a touch detection function or other equivalent function device or circuit. In some embodiments of the present invention, the communication interface 170 is used to transmit information and/or receive information. The communication interface 170 can transmit information through a wired communication interface and/or a wireless communication interface.

In the embodiment of the present invention, the embodiment of the present invention provides a method for adjusting a virtual keyboard and a touch device by providing an embodiment of the present invention, and particularly, an adjustment method and a touch for a virtual keyboard for adjusting a click operation. The device can more effectively identify and correct the user's click operation on the virtual keyboard, and simultaneously update the plurality of touch devices through the cloud server to reduce the time for the user to adapt to different touch devices.

In addition, the above examples include exemplary steps in sequence, but the steps are not necessarily performed in the order shown. Performing these steps in a different order is within the scope of the present disclosure. Such steps may be added, substituted, altered, and/or omitted as appropriate within the spirit and scope of the embodiments of the present disclosure.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and refinements without departing from the spirit and scope of the present case. The scope defined in the patent application is subject to change.

100‧‧‧ touch device

110‧‧‧ Sensor

130‧‧‧Processor

150‧‧‧virtual keyboard

170‧‧‧Communication interface

210‧‧‧Operating range

900‧‧‧ hands

A, B, D ‧‧‧ click point

C1, C2, C3, C4‧‧‧ center points

K1, K2, K3, K4‧‧‧ buttons

LB1, LB2, LB3, LB4, LD1, LD2‧‧‧ coordinates

P11, P12, P13, P21, P22, P23‧‧‧ click points

N11, N12, N13, N21, N22, N23‧‧‧ pressed map

600‧‧‧ Adjustment method

S630, S650, S670, S690‧‧‧ steps

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood. The description of the drawings is as follows: FIG. 1 is a schematic diagram of a touch device according to some embodiments of the present invention. FIG. 2 is a schematic diagram of a touch device according to some embodiments of the present invention; FIG. 3 is a schematic diagram of a touch device according to some embodiments of the present disclosure; FIG. 5 is a schematic diagram of a virtual keyboard according to some embodiments of the present disclosure; and FIG. 6 is a diagram of a virtual keyboard according to some embodiments of the present disclosure; A flow chart showing one method of adjustment.

Claims (8)

A method for adjusting a virtual keyboard is applicable to a first touch device, wherein the first touch device displays a virtual keyboard, and the virtual keyboard includes a plurality of buttons, wherein the adjusting method comprises: a virtual keyboard according to a user The operating range setting adjusts a position and a size displayed by the virtual keyboard on the first touch device; and collects a plurality of first click points of the plurality of first click operations of the user on the virtual keyboard and the plurality of Corresponding to one of the buttons corresponding to a click point; analyzing, according to the first click points, a plurality of press profiles formed by the buttons corresponding to the first click points; a distribution map and a plurality of center points of the buttons, determining one of the buttons corresponding to a second click point of the second click operation of the user; and the pressing map and the virtual The position of the keyboard and the size are transmitted to a server; and the server transmits the press map and the position of the virtual keyboard and the size to the first Touch device. The adjustment method of claim 1, wherein adjusting the position of the virtual keyboard displayed by the touch device according to the virtual keyboard operating range setting and the size further comprises: setting according to an initial click operation of the user The size of the virtual keyboard and the location. The adjustment method of claim 1, wherein the second click point corresponding to the second click operation of the user is determined according to the press distribution map and the plurality of center points of the buttons One of the buttons further includes: calculating a plurality of distances of the second click points relative to the center points of the buttons; and determining that a minimum of the distances corresponds to the second click point One of the keys. The adjustment method of claim 3, wherein the second click point corresponding to the second click operation of the user is determined according to the press distribution map and the plurality of center points of the buttons One of the buttons further includes: when a difference between the two of the distances is less than a difference threshold, determining, according to the press profiles, the buttons corresponding to the second click point Among the ones in it. A touch device, wherein the touch device displays a virtual keyboard, the virtual keyboard includes a plurality of buttons, wherein the touch device includes: a sensor for sensing a virtual keyboard operating range setting of a user, and Sensing a plurality of first click points of the plurality of first click operations of the user on the virtual keyboard; and a processor for adjusting the virtual keyboard operating range setting according to the virtual keyboard operating range setting The virtual keyboard collects the first click point and one of the buttons corresponding to the first click points at a position and a size displayed by the touch device, and according to the first click points And analyzing a plurality of press profiles formed by the buttons corresponding to the first click points, and the processor is further configured to determine the use according to the press maps and the plurality of center points of the buttons One of the buttons corresponding to a second click point of a second click operation; and a communication interface for transmitting the press map and the position of the virtual keyboard and the size to A server. The touch device of claim 5, wherein the processor is further configured to set the size and the location of the virtual keyboard according to an initial click operation of the user. The touch device of claim 5, wherein the processor is further configured to calculate a plurality of distances of the second click point relative to the center points of the buttons, and determine a minimum of the distances The one of the keys corresponding to the second click point. The touch device of claim 7, wherein the processor is further configured to: when the difference between the two of the distances is less than a difference threshold, determine the The one of the buttons corresponding to the second click point.