KR20080058812A - Apparatus and method for swing adaptation displaying in mobile terminal - Google Patents

Abstract

A screen display apparatus and method for correcting wobbling of a mobile terminal are provided to increase the readability and visibility of an image by reducing wobbling that a user is able to feel. A display unit(102) outputs a screen image, namely, image signals. An operation detecting unit(106) measures the 3-axial acceleration and detects a movement of a mobile terminal by using a change in the measured acceleration. A wobbling correction unit(110) measures a movement of the mobile terminal through the operation detecting unit, and if the measured movement is wobbling, the wobbling correction unit corrects a screen image according to the detected wobbling, and outputs the same to the display unit. After the screen image is corrected through the wobbling correction unit, if wobbling is not detected for more than a certain time, a correction returning unit(112) returns the corrected screen to an output screen image in a non-corrected state, and outputs the same.

Description

Screen display device and method for compensating for shaking in a mobile terminal {APPARATUS AND METHOD FOR SWING ADAPTATION DISPLAYING IN MOBILE TERMINAL}

1 is a diagram illustrating a configuration of a portable terminal for compensating for shaking according to an exemplary embodiment of the present invention;

2 is a flowchart illustrating a process of correcting a screen output by detecting shaking in a portable terminal according to an exemplary embodiment of the present invention;

3 is a diagram illustrating an example in which the output screen is corrected when the portable terminal is shaken in each direction according to an exemplary embodiment of the present invention.

The present invention relates to a screen display device and method for compensating for shaking in a portable terminal, and more particularly, to a device and a method for reducing a shake felt by a user by moving a screen in a direction opposite to the shaking when detecting a shake in a portable terminal having a motion detector. It is about.

Recently, many portable terminals such as mobile communication terminals or personal digital assistants (PDAs) have been used. Such portable terminals are not only for the purpose of simple phone calls or schedule management but also for images by digital cameras. Or take videos, watch digital multimedia broadcasting (DMB), edit documents, play games, navigate, listen to music, send short messages, e-books, and send and receive multimedia messages with images or videos. The range of applications is increasing, and portable terminals having motion sensors for adding new functions are also being released.

A portable terminal having a motion detector can be used as a method of operating and moving the mobile phone itself, instead of relying only on a keypad or a touch screen made of buttons. The motion detector can be used for various functions without being limited to simply operating methods.

On the other hand, as the storage space is increased and the high-definition image is output from the portable terminal, an electronic book, a video or a DMB is read by the portable terminal is increasing.

Due to its characteristics, a portable terminal displays a lot of information on a relatively small screen, and thus prints a relatively small type of text or images, and is exposed to a shaking environment (for example, a bus or a subway) due to the mobility of the portable terminal. It often happens. In this case, there is a problem in that the readability of the electronic book and the visibility of the output image are greatly reduced due to the shaking of the portable terminal.

SUMMARY OF THE INVENTION An object of the present invention is to provide a screen display device and a method for compensating for shaking in a portable terminal.

Another object of the present invention is to provide a screen display apparatus and a method for correcting a screen output by detecting a shake through a motion detector in a portable terminal having a motion detector.

It is still another object of the present invention to provide a screen display device and method for reducing shaking which a user feels by moving a screen in a direction opposite to shaking when detecting a shake in a portable terminal having a motion detector.

According to a first aspect of the present invention for achieving the above objects, a screen display device for compensating for shaking in a portable terminal includes a display unit for outputting a screen, which is an image signal, and measuring acceleration of three axes and changing the measured acceleration. Motion detection unit for detecting the movement of the portable terminal using the motion detection unit, and measures the movement of the portable terminal through the motion detection unit, and if the measured movement is shaken corresponding to the detected shaking the screen output to the display And a shake correction unit for controlling and outputting the correction.

According to a second aspect of the present invention for achieving the above object, a screen display method for compensating for shaking in a portable terminal device, the process of measuring the movement of the portable terminal, the process of checking whether the measured movement is shaking And, if it is confirmed that the measured movement is shaking, characterized in that it comprises the step of correcting and outputting the output screen to correspond to the detected shaking.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. If it is determined that the gist of the present invention may be unnecessarily obscured, detailed description thereof will be omitted.

The present invention relates to a device and a method for reducing shaking felt by a user by detecting a shake through a motion detector in a portable terminal having a motion detector and correcting the screen by moving the screen in a direction opposite to the shake. This will be described with reference to FIG. 1 below.

1 is a diagram illustrating a configuration of a portable terminal for compensating for shaking according to an exemplary embodiment of the present invention. Referring to FIG. 1, the portable terminal of the present invention includes a control unit 100, a display unit 102, a memory unit 104, an operation detection unit 106, an input unit 108, a vibration correction unit 110, and a correction return. It comprises a part 112.

The display unit 102 displays state information (or indicators) generated during operation of the mobile communication terminal, limited numbers and characters, moving pictures, still pictures, and the like. The display unit 312 may use a color liquid crystal display (LCD).

The memory unit 104 stores a program for controlling the overall operation of the mobile communication terminal, an application program, and storage data (telephone number, SMS message, compressed image file, video, etc.), and also according to the present invention. follow

The motion detection unit 106 is a device for measuring the operation state information of the portable terminal, a device for measuring the acceleration is a portable terminal by measuring the acceleration of the three axes of the X-axis, Y-axis, and Z-axis to change the acceleration Measure the motion of the tilt and movement of the motion.

The input unit 108 may include text keys for inputting numbers and letters, menu keys, menus, cancel keys, delete keys, confirmation keys, call keys (TALK), end keys (END), Internet access keys, and navigation. An apparatus for receiving an input from a user such as a keypad or a touch screen having a plurality of function keys such as keys is provided to the controller 100.

When the shake correction unit 110 detects the occurrence of a shake detection event requesting a screen correction mode, the shake correction unit 110 measures the movement of the portable terminal through the motion detection unit 106, and determines whether the measured movement is unintentional tremor. If it is determined that the tremor is to control to adjust the output screen corresponding to the detected tremor.

In the method of determining whether the shake is corrected by the shake correction unit 110, it is determined that the shake is measured when the magnitude of the motion measured by the motion detector 106 falls within the shake detection range. The shaking detection range is a range in which the size of the measured motion is larger than a shaking reference value at which the user starts to feel the shaking of the screen and is smaller than an operating reference value for determining the user's intended motion.

The method for compensating for the tremors detected by the tremor correction unit 110 is to output or enlarge or reduce the output by moving the mobile terminal by a size moved in a direction opposite to the direction in which the portable terminal is moved due to the tremor. The vibration correction method will be described later in detail with reference to FIGS. 2 and 3.

The correction return unit 112 corrects and outputs the screen output through the vibration correction unit 110, but if the vibration is not detected for a predetermined time or more as a result of the motion measurement through the motion detection unit 106, the last corrected output Control to return to output screen without calibrating screen.

The correction returning unit 112 does not allow the user to recognize the movement of the output screen when the user returns or outputs the last corrected output screen, and outputs it while moving the output screen slowly to the extent that there is no difficulty in readability and visibility. To control.

The controller 100 controls the shake correction unit 110 and the correction return unit 112. That is, the controller 100 may perform the functions of the shake correction unit 110 and the correction return unit 112. In the present invention, it is shown to configure them separately to explain each function separately. Therefore, in the case of actually implementing a product, all of them may be configured to be processed by the controller 100, and only some of them may be configured to be processed by the controller 100.

Hereinafter, a screen display method for compensating for shaking in the portable terminal according to the present invention configured as described above will be described with reference to the accompanying drawings.

2 is a flowchart illustrating a process of correcting a screen output by detecting shaking in a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. 2, when the shaking detection event occurs in step 200, the portable terminal of the present invention proceeds to step 202 to measure the movement of the portable terminal through a motion detection unit, and proceeds to step 204 to determine the measured motion. Check if the magnitude is within the motion detection range. If it is confirmed that the motion is not included in the shaking detection range, the process proceeds to step 210. The description of step 210 will be described later after the description of step 208.

As a result of the checking in step 204, if the size of the measured motion is a motion included in the shaking detection range, the portable terminal proceeds to step 206 in which the position of the screen to be output is equal to the size of the motion in the direction opposite to the measured motion. The image is corrected by moving or zooming in and out, and proceed to step 208 to output the corrected screen. An example of screen correction corresponding to the shaking will be described later with reference to FIG. 3 below.

Thereafter, the portable terminal proceeds to step 210 to check whether shaking is detected for a predetermined time. If shaking is detected, the process returns to step 202 to continue measuring the movement of the portable terminal.

If the shaking is not detected for a predetermined time as a result of checking in step 210, the portable terminal proceeds to step 212 to check the output state of the current screen, and proceeds to step 214 to correct if the output state of the screen is being corrected. One output screen is returned to the output screen without correction and output. At this time, the return of the output screen is output by returning while moving the output screen slowly so that the user does not recognize the movement of the output screen, or even if the recognition is easy to read and visibility.

Thereafter, the portable terminal proceeds to step 216 to check whether the shaking detection event is terminated and returns to step 202 until the shaking detection event ends in step 202.

Then, a specific example of the corresponding screen correction according to the shaking detection will be described with reference to the drawings below. 3 is a diagram illustrating an example in which the output screen is corrected when the portable terminal is shaken in each direction according to an exemplary embodiment of the present invention.

Referring to FIG. 3, (a) is a view showing an output screen which is not corrected when the shaking is not detected on the display unit 320, and (b) is a case where the shaking of the portable terminal is in the up direction 300. (C) is a diagram showing a corrected output screen in which the output screen is reversed in the opposite direction when the shaking of the portable terminal is in the downward direction (302), ( d) shows a corrected output screen in which the output screen is in the opposite direction when the shaking of the portable terminal is in the left (304) direction, and (e) outputs when the shaking of the portable terminal is in the right (306) direction. (F) is an output screen in which the output screen is reduced and corrected when the vibration of the portable terminal is the front (308) direction in which the distance between the portable terminal and the user is closer. (G) is a view of the portable terminal In the case where the shaking is in the direction 310 after the distance between the portable terminal and the user is far away, the output screen is enlarged and corrected.

Apparently, there are many ways to modify these embodiments while remaining within the scope of the claims. In other words, there may be many other ways in which the invention may be practiced without departing from the scope of the following claims.

As described above, the present invention relates to an apparatus and a method for outputting a screen by moving the screen in a direction opposite to the shaking, in particular, when detecting a shaking in a portable terminal having a motion detector. The effect of reducing the shaking felt by the user is to improve readability and visibility. There is.

Claims (16)

In the screen display device for compensating for shaking in a portable terminal, A display unit for outputting a screen which is a video signal; A motion detection unit for measuring acceleration of three axes and detecting movement of the portable terminal using the measured change in acceleration; And a motion correction unit for measuring a motion of the portable terminal through the motion detection unit, and controlling to output a screen outputted to the display unit according to the detected motion if the measured motion is shaking. Display. The method of claim 1, The screen display device, After correcting the screen through the shake correction unit, if the vibration is not detected for a predetermined time or more, further comprising a correction return unit for controlling to return to the output screen of the state without correction by correcting the output screen Display device. The method of claim 1, The shake correction unit, And determining that the motion measured by the motion detection unit is included in the shaking detection range as the shaking. The method of claim 3, wherein The shaking detection range is, And a size of the measured movement is larger than a shaking reference value, which is a reference value at which the user starts to feel the shaking of the screen, and smaller than an operating reference value, which is a reference value for determining the user's intended motion. The method of claim 1, The shake correction unit, If the direction of the detected vibration occurs in a direction in which the user looks at the display unit for the correction corresponding to the detected shaking, the image is shaken in the direction of combining up / down / left / right or two directions. A screen display device characterized in that the output by moving in reverse to the distance moved by. The method of claim 1, The shake correction unit, If the shaking occurs in the omnidirectional direction in which the distance between the portable terminal and the user decreases based on the user's view of the display unit for correction corresponding to the detected shaking, the output screen is shaken. A screen display device characterized in that the output is reduced to a ratio corresponding to the distance moved. The method of claim 1, The shake correction unit, If the shaking occurs in a rearward direction in which the distance between the portable terminal and the user increases based on the user's view of the display unit to correct the detected shaking, the output screen is shaken. A screen display device characterized in that the output is enlarged at a ratio corresponding to the distance moved. The method of claim 2, The correction return unit, When the vibration is not detected for the predetermined time, the output screen is moved while moving the output screen slowly so that the user does not recognize the return or when the user returns the output screen that has been corrected most recently. And control to return to the screen. In the screen display method for compensating for shaking in a portable terminal, Measuring the movement of the portable terminal; Checking whether the measured movement is shaking; And if the measured movement is shaking, correcting and outputting the output screen to correspond to the detected shaking. The method of claim 9, After the process of correcting and outputting, And if the vibration is not detected for a predetermined time or more, returning the corrected output screen to the output screen in the uncorrected state and outputting the screen. The method of claim 9, Checking whether the shaking is, And determining that the measured motion is included in the shaking detection range as shaking. The method of claim 11, The shaking detection range is, And a size of the measured movement is larger than a shaking reference value, which is a reference value at which the user starts to feel the shaking of the screen, and smaller than an operating reference value, which is a reference value for determining the intended motion of the user. The method of claim 9, The process of correcting and outputting corresponding to the detected tremor, In order to compensate for the detected shaking, when the direction of the detected shaking occurs in a direction in which the user looks up the output screen in the up / down / left / right or a combination of two directions, the output screen is displayed. The screen display method characterized in that the output by moving in the opposite direction by the distance moved by shaking. The method of claim 9, The process of correcting and outputting corresponding to the detected tremor, In order to compensate for the detected shaking, if the shaking occurs in an omnidirectional direction in which the distance between the portable terminal and the user is reduced based on the direction of the user looking at the output screen, the output screen is shaken. And outputting the image at a rate corresponding to the distance moved by the display. The method of claim 9, The process of correcting and outputting corresponding to the detected tremor, In order to compensate for the detected shaking, if the shaking occurs in a rearward direction in which the distance between the portable terminal and the user increases based on the direction of the user looking at the output screen, the output screen is shaken. And displaying at a rate corresponding to the distance moved by the display. The method of claim 10, The process of returning and outputting When the output of the most recently corrected output screen is not detected for the predetermined time, the output screen is moved while moving the output screen slowly so that the user does not recognize the return or even if the user recognizes the output screen. Controlling to return to the screen.

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