TW201928650A - Apparatus and method for zooming screen - Google Patents

Abstract

A method for zooming a screen, comprising: recognizing a touch on a screen, detecting path of a touch, and determining an action according to path of a touch, wherein path includes first path in a first direction and second path in a second direction, when angle between first direction and second direction is less than 180 degrees, zooming the image of a screen.

Description

Apparatus and method for scaling a screen

The present invention relates to a method of scaling a screen, and more particularly to a method of zooming a screen with a single touch.

In recent years, electronic devices (such as mobile phones, PDAs, tablets, notebook computers, etc.) have used a large number of touch screens as user interfaces. Whether it is reading a file in a device or browsing a web page, sometimes in order to see the details or display the details for a specific part, the screen of the screen needs to be scaled. In order to achieve the zoom function, one can access the menu. Or the button selects to start zooming, and the other is to use multi-touch, for example, in the first picture, in the touch screen 2 of the mobile device 1, after the two-finger touch screen 2, the distance between the two touches is close. Or stay away to judge to reduce or enlarge the image on the touch screen 2.

However, the above method is not very convenient, especially on a small-sized screen, or when two fingers cannot be used at the same time, such as when using a stylus. Therefore, the above scaling method does not fully meet the needs of the user.

In order to solve the above problems, the present invention provides a method for scaling a screen, comprising: recognizing a touch on a screen; detecting a path of the touch; and determining an action according to the path of the touch; wherein the path includes the first party First path in the upward direction and second path in the second direction The diameter of the screen is zoomed when the angle between the first direction and the second direction is greater than 90 degrees and less than 180 degrees. Therefore, with the invention, the zoom function of the screen image can be easily completed by single touch.

In another embodiment of the present invention, a method for scaling a screen includes: recognizing a gesture of a user; detecting a path of the gesture; and determining an action according to the path of the gesture; wherein the path includes the first direction The first path and the second path in the second direction, when the angle between the first direction and the second direction is less than 180 degrees, zoom the image of the screen.

In another embodiment of the present invention, a device for zooming a screen includes: a touch sensor, recognizing a touch on the screen, and detecting a path of the touch; and a processor according to the touch The path determines the action; wherein the path includes the first path in the first direction and the second path in the second direction, and when the angle between the first direction and the second direction is less than 180 degrees, the image of the screen is scaled.

In another embodiment of the present invention, an apparatus for zooming a screen includes: an image sensor that recognizes movement of an object and detects a path of the movement; and a processor that determines an action according to the path of the movement; The path includes a first path in the first direction and a second path in the second direction. When the angle between the first direction and the second direction is less than 180 degrees, the image of the screen is scaled.

1‧‧‧ touch screen

2‧‧‧Mobile devices

21~23‧‧‧ Path

31~33‧‧‧ Path

80‧‧‧ device

81‧‧‧ touch sensor

82‧‧‧ Processor

83‧‧‧ display

90‧‧‧ device

91‧‧‧Image sensor

92‧‧‧ processor

93‧‧‧Display

_{1 1} ‧‧‧ angle

_{1 1} ‧‧‧ angle

_{2 2} ‧‧‧ angle

_{2 2} ‧‧‧ angle

A~H‧‧‧ touch point

Figure 1 is a schematic illustration of prior art user operations.

Figure 2 is a schematic illustration of user operation in an embodiment of the invention.

Figure 3 is a schematic illustration of user operation in an embodiment of the invention.

Figure 4 is a schematic illustration of user operation in an embodiment of the invention.

Figure 5 is a schematic illustration of user operation in an embodiment of the invention.

Figure 6 is a schematic illustration of user operation in an embodiment of the invention.

Figure 7 is a schematic illustration of user operation in an embodiment of the invention.

Figure 8 is a schematic diagram of a touch screen device in accordance with an embodiment of the present invention.

Figure 9 is a schematic illustration of an apparatus for using a gesture control screen in an embodiment of the invention.

Specific examples are given below to explain the contents of the present invention in detail, and the drawings are used as an auxiliary explanation. The symbols mentioned in the description are reference symbols. It is worth noting that the term "contains" mentioned in the description is an open-ended term and should be interpreted as "including but not limited to". In addition, those of ordinary skill in the art should understand that the same component/product usually has a different designation, such as a "touch screen" or a "touch screen", and thus is similar in function to the same domain as mentioned in the description. Components/products are of course included in the scope of this specification.

In the following, for convenience of description, a mobile phone will be first taken as an embodiment, but in reality, it is not limited to a mobile phone, and the spirit of the present invention can be implemented as long as it is applied to a touch screen. In addition, in the embodiment, the touch is performed by a finger, but in reality, it is not limited to a finger, and the spirit of the present invention can be applied as long as the touch screen can be controlled, for example, using a stylus, a touch glove, or the like.

In an embodiment, please refer to FIG. 2, when the user touches the touch point A of the touch screen on the mobile phone, the mobile phone recognizes the user's touch and detects the path touched by the user. When the user moves the touch point A to the touch point B along the first direction in the first direction, in this embodiment, the user moves substantially downward, and the image of the screen is generally rolled down according to the user's operating habits. Move, but depending on the situation, you can also scroll the effect of the screen, or limit the first direction if the angle of the vertical line that deviates from the screen is too large to scroll, that is, after touching, roughly above the screen. The screen is scrolled when it is moved down. It may be set on the first path 21 and the direction of the screen vertical line an angle α ₁ than 5 degrees, 10 degrees, 20 degrees, 45 degrees or 90 degrees, no scrolling your screen. The vertical line of the screen may be, for example, a vertical line of the line of sight when the user views the screen, or a vertical line of the phone relative to the horizontal plane.

Next, referring to FIG. 3, in the embodiment, when the path changes direction, that is, along the second direction, the second path 22 moves from the touch point B to the touch point C, and at this time, when the first direction is When the angle β _{1 of the} second direction is less than 180 degrees, the mobile phone determines to enlarge or reduce the image of the screen according to the detected path. In another embodiment, when the angle β _{1 is} less than 160 or 140 degrees, the mobile phone will detect according to the detection. The measured path determines whether the image of the screen is enlarged or reduced, and the angle β ₁ can be adjusted according to the user's habits. In one embodiment, the screen is enlarged along the paths 21, 22 according to the user's customary settings, but in another embodiment, the screen may be reduced. In an embodiment, when the angle β ₁ needs to be greater than 90 degrees, the image on the screen is scaled, and the angle β _{1 is} greater than 100 degrees, 110 degrees or 120 degrees, and the screen is The image is zoomed. In an embodiment, the screen can be instantly zoomed according to the length of the second path 22, that is, as the second path 22 continues to grow, the degree or proportion of zooming will also increase. In an embodiment, even if there is a pause in the middle of the second path 22, before the touch is not completed, it is determined that the touch does not leave the control area of the touch screen, and if the length of the second path 22 continues to extend along the second direction. , you can further increase the proportion of the zoom screen. In another embodiment, the scale of the zoomed screen is determined based on the ratio of the second path 22 to the first path 21.

In an embodiment, referring to FIG. 4, the third path 23 can be moved from the touch point C to the touch point D along the third direction, as in the foregoing method. At this time, the third path 23 is The angle of the second path 22 is less than 180 degrees, 160 degrees or 140 degrees. The basic operation is the same as that of the previous embodiment and will not be repeated, but it should be noted that the opposite operation is performed at this time, for example, in the second path. The screen on which the screen is enlarged is the first image, and the screen on the third path 23 is reduced to the second image. If the screen of the reduced screen on the second path 22 is the first image, the screen of the screen enlarged by the third path 23 is the second image. Wherein paths 21, 22 and 23 are substantially straight lines. Similarly, the zooming of the screen can be continued in the same manner as the previous embodiment, but the principle is not repeated here as before.

In another embodiment, please refer to FIG. 5, when the user touches the touch point E of the touch screen on the mobile phone, the mobile phone recognizes the user's touch and starts detecting the path touched by the user. When the user moves the touch point E to the touch point F on the path 31 along the first direction, in this embodiment, the user moves substantially upwards, and the image of the screen is generally used by the user's operation habits. Scrolling up, but depending on the function, you can also scroll without affecting the screen, or limit the first direction if the angle of the vertical line that deviates from the screen is too large to scroll, that is, after the touch The screen is scrolled when moving to the top or bottom of the screen. It is also possible to set the angle of the path 31 in the first direction to the vertical line when the angle α ₂ exceeds 5 degrees, 10 degrees, 20 degrees, 45 degrees, or 90 degrees, and does not scroll the screen. The vertical line of the screen may be, for example, a vertical line of the line of sight when the user views the screen, or a vertical line of the phone relative to the horizontal plane.

Next, referring to FIG. 6, in the embodiment, when the path changes direction, the second path 32 moves along the second direction from the touch point F to the touch point G, and at this time, the first direction and the second direction. When the angle β _{2 of the} direction is less than 180 degrees, the mobile phone determines to enlarge or reduce the image of the screen according to the detected path. In another embodiment, when the angle β _{2 is} less than 160 or 140 degrees, the mobile phone detects according to the detection. The path determines whether the image of the screen is enlarged or reduced, and the angle β ₂ can be adjusted according to the user's habits. In one embodiment, the screen is scaled down along the paths 31, 32 depending on the user's customary settings, but in another embodiment, the screen may be zoomed in. In an embodiment, when the angle β ₂ needs to be greater than 90 degrees, the image on the screen is scaled, and the angle β _{2 is} greater than 100 degrees, 110 degrees or 120 degrees, and the screen is The image is zoomed. In an embodiment, the screen can be instantly zoomed according to the length of the second path 32, that is, as the second path 32 continues to grow, the degree or proportion of zooming will increase. In an embodiment, even if there is a pause in the middle of the second path 32, if the length of the second path 32 continues to extend along the second direction before the touch is not completed, the scale of the zoom screen can be further increased. In another embodiment, the scale of the zoomed screen is determined based on the ratio of the second path 32 to the first path 31.

In an embodiment, referring to FIG. 7, the method may further move along the third direction from the touch point G to the touch point H along the third direction. At this time, the third path 23 is The angle of the second path 22 is less than 180 degrees, 160 degrees or 140 degrees. The basic operation is the same as that of the previous embodiment and will not be repeated, but it should be noted that the opposite operation is performed at this time, for example, in the second path. The screen on which the screen is enlarged on 32 is the first image, and the screen on the third path 33 is reduced to the second image. If the screen of the reduced screen on the second path 32 is the first image, the screen of the screen enlarged by the third path 33 is the second image. Wherein paths 31, 32 and 33 are substantially straight lines. In the same way, it can be continued for the screen in the same way as the previous embodiment. The picture is scaled, but the principle is the same as before and will not be repeated.

Please refer to FIG. 8 , which is a device 80 for using a touch screen, including a touch sensor 81 , a processor 82 , and a display 83 . If the user touches the touch screen, the touch sensor 81 recognizes the touch on the screen and detects the path touched by the user. The result of the detection is transmitted to the processor 82, and the processor 82 determines the action according to the path touched by the user. For example, as described in the previous embodiment, if the touch is simply up or down, only the screen is displayed. Scrolling, but if the touch path is, for example, in the previous embodiment, the path includes a first path in the first direction and a second path in the second direction, when the first direction is at an angle to the second direction When it is less than 180 degrees, the processor determines to zoom the screen image and transmits the result of scaling the screen to the display 83.

In another embodiment, referring to FIG. 9, in the spirit of the present invention, the device 90 that can be controlled according to the gesture includes an image sensor 91, a processor 92, and a display 93. The image sensor 91 can be a general camera module, a 3D image sensing module, or an ultrasonic sensor, and can detect the motion of the target object by using ultrasonic waves that transmit ultrasonic waves and sense reflections. For example, the gesture of the user can be in accordance with the spirit of the present invention as long as it is a sensor capable of detecting the movement or movement of the target object. The gesture is not limited to the user's operation by hand, but may also be an object for handheld control, such as a control stick, or any user interface that can be operated. Different from the previous embodiment, the interface operated by the user is not a touch screen, but the image sensor 91 is used to judge the gesture, but the basic principle is the same as before, and the description is not repeated, but it can be understood that as long as The gesture detection function or the gesture is activated in the active area or the control area to control the screen. Finally, it should be noted that the screen referred to in the present invention is not necessarily a screen on a mobile device, but may be a screen on a general device, or It is to be understood that the screen displayed by projection using the projection device, that is, the screen of various display modes, can be covered by the scope of the present invention.

It will be apparent to those skilled in the art that various changes can be made in accordance with the embodiments of the present invention without departing from the spirit of the invention. Therefore, it is to be understood that the invention is not limited by the scope of the invention, and is intended to cover the modifications of the spirit and scope of the invention.

Claims (10)

A method for scaling a screen, comprising: recognizing a touch on a screen; detecting a path of the touch; and determining an action according to the path of the touch; wherein the path includes a first path and a second in the first direction The second path in the direction, when the angle between the first direction and the second direction is greater than 90 degrees and less than 180 degrees, the image of the screen is scaled to be the first image. The method for scaling a screen as described in claim 1, wherein the path further comprises a third path in a third direction, when the angle between the second direction and the third direction is greater than 90 degrees and less than 180 degrees, The first image is further scaled to be a second image. A method for scaling a screen, comprising: recognizing a gesture of a user; detecting a path of the gesture; and determining an action according to the path of the gesture; wherein the path includes a first path in a first direction and a second direction in a second direction The second path is to zoom the image of the screen when the angle between the first direction and the second direction is less than 180 degrees. The method of scaling a screen as described in claim 1 or 3, wherein the ratio of the image of the screen is controlled according to a ratio of the second path to the first path. A method of scaling a screen as recited in claim 1 or 3, wherein the ratio of the image of the screen is scaled according to the length of the second path. A scalable screen device comprising: a touch sensor that recognizes a touch on the screen and detects a path of the touch; and a processor that determines an action according to the path of the touch; wherein the path includes the first path in the first direction and The second path in the second direction, when the angle between the first direction and the second direction is less than 180 degrees, zooming the image of the screen. The device of claim 6, wherein the ratio of the image that scales the screen is controlled according to a ratio of the second path to the first path. The apparatus of claim 6, wherein the ratio of the image of the screen is scaled according to the length of the second path. A device for zooming a screen, comprising: an image sensor, recognizing an object movement, and detecting a path of the movement; and a processor determining an action according to the path of the movement; wherein the path includes the first direction The first path and the second path in the second direction, when the angle between the first direction and the second direction is less than 180 degrees, zoom the image of the screen. The device of claim 8, wherein the scaling of the screen image is controlled based on the length of the second path.