CN104750442A - Display and control method of indicator mark - Google Patents

Abstract

A display and control method of an indication mark is suitable for a portable arithmetic device and a display device comprising a screen, and the method comprises the following steps: the portable arithmetic device generates a trigger signal to trigger the display equipment to display an indication mark image at an initial position on the screen; (B) the portable computing device generates a motion parameter group corresponding to the motion of the portable computing device based on the trigger signal; (C) the portable computing device calculates an indication mark displacement amount which represents the displacement of the indication mark image on the screen according to the motion parameter group; (D) the display equipment calculates a new position on the screen, at which the indication mark image is to be displayed, according to the indication mark displacement and the resolution of the display equipment; and (E) the display device displays the indication mark image on the new position on the screen.

Description

Display and control method of indicator mark

technical field

The invention relates to a method for displaying and controlling an indicator, in particular to a method for displaying and controlling an indicator based on a portable computing device.

Background technique

Liquid crystal display is the most mature, most widely used, industrialized and still developing rapidly among many flat panel displays. With the price of LCD monitors falling and the rise of high-definition movies, large LCD monitors have gradually become mainstream.

The display equipment in the current conference room is also gradually replaced by large liquid crystal displays. Due to the structure of the polarizer in the liquid crystal display, when the conference speaker wants to use the laser pointer to explain the position being explained, the laser pointer produces The beam is blocked by the polarizer and cannot be reflected, so meeting presenters must use other means to indicate where they are presenting.

The conference speaker can link the computer with a large liquid crystal display, and use the mouse of the computer to indicate the position he is explaining. However, in order to mark the position that the conference speaker is explaining, it is not necessary to use an additional computer resource. It is convenient, so it is necessary to find a solution.

Contents of the invention

The purpose of the present invention is to provide a display and control method using only a portable computing device and an indicator of a display device.

The display and control method of the indicator mark of the present invention is suitable for a portable computing device used by a user and a display device for communicating with the portable computing device, the portable computing device includes a trigger module, a A motion sensing module and an indicator motion calculation module, the display device includes a processing module, a display control module and a screen, the method includes the following steps: (A) the trigger module of the portable computing device generates a trigger signal to trigger the display control module of the display device to display an indicator image at an initial position on the screen, wherein the initial position is the origin of a plane coordinate system including a horizontal axis and a vertical axis, and the horizontal The axis is parallel to the length direction of the screen, and the vertical axis is parallel to the width direction of the screen; (B) the motion sensing module of the portable computing device generates a motion corresponding to the portable computing device based on the trigger signal (C) The indicator movement calculation module of the portable computing device calculates an indicator displacement amount representing the displacement of the indicator image on the screen according to the movement parameter set, wherein the The displacement of the indicator includes a horizontal movement distance of the indicator and a vertical movement distance of the indicator; (D) the processing module of the display device calculates according to the horizontal movement distance of the indicator, the vertical movement distance of the indicator and the resolution of the display device A new position of the indicator image will be displayed on the screen; and (E) the display control module of the display device displays the indicator image at the new position on the screen.

In the method for displaying and controlling indicator marks of the present invention, in the step (B), the motion sensing module of the portable computing device includes at least one of a gyroscope and a gravity sensor.

In the display and control method of the indicator mark of the present invention, in the step (B), the motion parameter set includes a horizontal axis rotation component that rotates around the horizontal axis, a vertical axis rotation component that rotates around the vertical axis, a horizontal a moving component and a vertical moving component.

In the display and control method of the indicator of the present invention, in the step (C), the indicator movement calculation module is based on the horizontal axis rotation component, vertical axis rotation component, horizontal movement component, vertical movement component and default displacement angle ratio data , to calculate the displacement of the indicator mark.

In the display and control method of the indication mark of the present invention, the portable computing device further includes a user interface module, the default displacement angle ratio data includes a default displacement angle ratio, and in the step (A), when the user uses When the user interface module inputs the default displacement angle ratio and touches a button, the trigger module of the portable computing device generates the trigger signal.

In the method for displaying and controlling indicator marks of the present invention, in the step (A), when the user uses the user interface module to input the size of the screen of the display device and a size coverage angle and touches a button, the user can The trigger module of the portable computing device generates the trigger signal.

In the display and control method of the indicator of the present invention, in the step (C), the indicator movement calculation module calculates the default displacement angle ratio according to the size of the screen of the display device and the angle covered by the size.

In the display and control method of the indicator mark of the present invention, the default displacement angle ratio data includes a default horizontal axis displacement angle ratio and a default vertical axis displacement angle ratio, and in the step (A), when the user uses the user interface When the module inputs the length and width of the screen of the display device, a length covering angle and a width covering angle and touches a button, the trigger module of the portable computing device generates the trigger signal.

In the display and control method of the indicator of the present invention, in the step (C), the indicator motion calculation module calculates the default level according to the length and width of the screen of the display device, the angle covered by the length and the angle covered by the width Axis displacement angle ratio and default vertical axis displacement angle ratio.

The beneficial effect of the present invention is that: the trigger signal generated by the trigger module triggers the display control module to use the image overlay function to simultaneously display the indicator image at the initial position on the screen, and use the movement of the portable computing device to A new position of the indicator image displayed on the screen is calculated to achieve the purpose of moving the indicator image.

Description of drawings

FIG. 1 is a system block diagram illustrating a portable computing device and a display device implementing the display and control method of the indicator mark of the present invention;

Fig. 2 is a flow chart illustrating the first preferred embodiment of the display and control method of the indicator mark of the present invention;

3 is a schematic diagram illustrating an input-default displacement angle ratio screen provided by a user interface module of the portable computing device;

FIG. 4 is a schematic diagram illustrating the first preferred embodiment of displaying an indicator image at an initial position on the screen of the display device;

Fig. 5 is a schematic diagram illustrating the display of the indicator image at a new position on the screen of the display device according to the first preferred embodiment;

Fig. 6 is a flow chart illustrating the second preferred embodiment of the display and control method of the indicator mark of the present invention;

FIG. 7 is a schematic diagram illustrating a screen size input to the display device and a size coverage angle frame provided by the user interface module of the portable computing device;

Fig. 8 is a flow chart illustrating the third preferred embodiment of the display and control method of the indicator mark of the present invention; and

FIG. 9 is a schematic diagram illustrating an input of the length and width of the screen of the display device, a length coverage angle and a width coverage angle provided by the user interface module of the portable computing device.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

Before the present invention is described in detail, it should be noted that in the following description, similar components are denoted by the same numerals.

Please refer to Fig. 1, the first preferred embodiment of the display and control method of the indication mark of the present invention is suitable for a portable computing device 1 used by a user and a display that communicates with the portable computing device 1 device2. Wherein, the portable computing device 1 and the display device 2 can communicate through existing wireless communication technologies, such as Bluetooth (Bluetooth), wireless network (Wireless Fidelity, WiFi for short), and infrared rays.

The portable computing device 1 includes a trigger module 11 , a motion sensing module 12 , an indicator motion calculation module 13 , a user interface module 14 and a communication module 15 . In this preferred embodiment, the portable computing device 1 is a smart phone, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA for short) or a remote controller with computing functions, etc., but it is not intended to be limit.

The display device 2 includes a processing module 21 , a display control module 22 , a screen 23 and a communication module 24 . In this preferred embodiment, the display device 2 is an LCD liquid crystal television device.

The trigger module 11 of the portable computing device 1 is used for generating a trigger signal to trigger the display device 2 when the user touches a button provided by the user interface module 14 of the portable computing device 1 The display control module 22 controls the screen 23 to display an image corresponding to an image signal on the screen 23 , and simultaneously displays an indicator image at an initial position on the screen 23 by using the image overlay function.

The motion sensing module 12 of the portable computing device 1 is used for generating a motion parameter set corresponding to the motion of the portable computing device 1 based on the trigger signal. Wherein, the motion parameter set includes a horizontal axis rotation component rotating around the horizontal axis, a vertical axis rotation component rotating around the vertical axis, a horizontal movement component and a vertical movement component. In this preferred embodiment, the motion sensing module 12 of the portable computing device 1 includes a gyroscope (Gyroscope, not shown) and/or a gravity sensor (G-sensor, not shown), but does not This is not the limit.

The indicator motion calculation module 13 of the portable computing device 1 is used to calculate an indicator displacement amount representing the displacement of the indicator image on the screen 23 according to the movement parameter set, wherein the indicator displacement includes A horizontal movement distance of an indicator mark and a vertical movement distance of an indicator mark. The indicator movement calculation module 13 calculates the indicator displacement according to the horizontal axis rotation component, vertical axis rotation component, horizontal movement component, vertical movement component and default displacement angle ratio data. In this preferred embodiment, the default displacement angle ratio data includes a default displacement angle ratio; however, in other embodiments of the present invention, the default displacement angle ratio data includes a default horizontal axis displacement angle ratio and a default vertical axis displacement ratio Axis displacement angle ratio, but not limited to this.

The user interface module 14 of the portable computing device 1 is used for the user to input related parameters, and provides the button. The indicator motion calculation module 13 is also used to obtain the default displacement angle ratio data according to the relevant parameters input by the user. In this preferred embodiment, the user interface module 14 is used for the user to input the default displacement angle ratio; however, in other embodiments of the present invention, the user interface module 14 is used for the user to input the The size of the screen 23 of the display device 2 and a size coverage angle, or the length and width of the screen 23 of the display device 2 , a length coverage angle and a width coverage angle, but not limited thereto.

The communication module 15 of the portable computing device 1 is used to transmit the trigger signal and the displacement of the indicator mark to the communication module 24 of the display device 2 .

The processing module 21 of the display device 2 is used for calculating a new position on the screen 23 to display the image of the indicator mark according to the horizontal movement distance of the indicator mark, the vertical movement distance of the indicator mark and the resolution of the display device 2 .

The display control module 22 of the display device 2 is also used for displaying the indicator image at the new position on the screen 23 . The display control module 22 includes an image scaling unit (Scalar) (not shown) for receiving the image signal. The display control module 22 controls the screen 23 so that the image corresponding to the image signal is displayed on the screen 23 after being processed by the image scaling unit, and at the same time provides, for example, an on screen display menu (On Screen Display, OSD for short). The image overlay function displays the indicator image at the new position on the screen 23 .

The communication module 24 of the display device 2 is used to receive the trigger signal and the displacement of the indicator mark from the communication module 15 of the portable computing device 1 .

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the first preferred embodiment of the method for displaying and controlling indicator marks of the present invention can be implemented by the above-mentioned portable computing device 1 and display device 2 . The method of the first preferred embodiment includes the following steps.

As shown in step 301, when the user uses the user interface module 14 to input the default displacement angle ratio and touches the button 100, the trigger module 11 of the portable computing device 1 generates the trigger signal, and the portable The communication module 15 of the formula computing device 1 sends the trigger signal to the communication module 24 of the display device 2 .

As shown in step 302, the communication module 24 of the display device 2 receives the trigger signal to trigger the display control module 22 of the display device 2 to control the screen 23 so that the image corresponding to the image signal is displayed on the screen 23 , and use the image overlay function to simultaneously display the indicator image 4 (see FIG. 4 ) at the initial position 230 on the screen 23, wherein the initial position 230 is the plane coordinate system including the horizontal axis 231 and the vertical axis 232 , and the horizontal axis is parallel to the length direction of the screen 23, and the vertical axis is parallel to the width direction of the screen 23.

As shown in step 303, the motion sensing module 12 of the portable computing device 1 generates the motion parameter set corresponding to the motion of the portable computing device 1 based on the trigger signal, wherein the motion parameter set includes The horizontal axis rotation component rotating around the horizontal axis, the vertical axis rotation component rotating around the vertical axis, the horizontal moving component and the vertical moving component.

As shown in step 305, the pointer movement calculation module 13 of the portable computing device 1 is based on the horizontal axis rotation component θ _X , the vertical axis rotation component θ _Y , the horizontal movement component M _X , the vertical movement component M _Y and the default displacement Angle ratio data, and use the following formula (1) to calculate the displacement of the indicator mark, wherein the displacement of the indicator mark includes the horizontal movement distance Offest _X of the indicator mark and the vertical movement distance Offest _Y of the indicator mark. In this preferred embodiment, the default displacement angle ratio data is the default displacement angle ratio R.

$\left\{\begin{array}{c}{\mathrm{<span\; class="notranslate">\; Offset</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}<span\; class="notranslate">\; \&times;</span>\mathrm{<span\; class="notranslate">\; R</span>}<span\; class="notranslate">\; +</span>{\mathrm{<span\; class="notranslate">\; m</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}\\ {\mathrm{<span\; class="notranslate">\; Offset</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}<span\; class="notranslate">\; \&times;</span>\mathrm{<span\; class="notranslate">\; R</span>}<span\; class="notranslate">\; +</span>{\mathrm{<span\; class="notranslate">\; m</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}\end{array}\right.<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; )</span>$

Wherein, when the movement of the portable computing device 1 is rotation, the values of the horizontal movement component M _X and the vertical movement component M _Y are zero; when the movement of the portable computing device 1 is movement, the horizontal axis rotates The value of the component θ _X and the vertical axis rotation component θ _Y is zero; when the motion of the portable computing device 1 has rotation and movement at the same time, the horizontal axis rotation component θ _X , the vertical axis rotation component θ _Y , and the horizontal movement The values of the component M _X and the vertical movement component M _Y are both non-zero.

As shown in step 307 , the communication module 15 of the portable computing device 1 transmits the trigger signal and the displacement of the indicator mark to the communication module 24 of the display device 2 .

As shown in step 308, the processing module 21 of the display device 2 calculates the new image of the indicator mark to be displayed on the screen 23 according to the horizontal movement distance of the indicator mark, the vertical movement distance of the indicator mark and the resolution of the display device 2. Location.

As shown in step 309, the display control module 22 of the display device 2 controls the screen 23 so that the image corresponding to the image signal is displayed on the screen 23, and the indicator image 4 is simultaneously displayed on the screen 23 by using the image superposition function. On this new position on this screen 23 (see Fig. 5).

From the above description, the advantages of this embodiment can be summarized as follows: the trigger signal generated by the trigger module 11 triggers the display control module 22 to use the image superimposition function to simultaneously display the indicator image at the initial position on the screen 23, and The movement of the portable computing device 1 is used to calculate the new position of the indicator image displayed on the screen 23 to achieve the purpose of moving the indicator image.

The second preferred embodiment of the display and control method of the indication mark of the present invention can be implemented by a portable computing device 1 and a display device 2 similar to that shown in FIG. 1 . The difference is that the user interface module 14 of the portable computing device 1 is used for the user to input the size of the screen 23 of the display device 2 and the angle covered by the size. Display the size of the screen 23 of the device 2 and the size coverage angle, and calculate a default displacement angle ratio.

Please refer to Fig. 1, Fig. 6 and Fig. 7, the method steps of this second preferred embodiment are substantially the same as the first preferred embodiment, wherein, steps 502-503 and steps 507-509 are respectively the same as steps 302-509 303 and steps 307 to 309 are the same, and the same part will not be repeated, and the difference lies in step 501 and step 505 .

As shown in step 501, when the user uses the user interface module 14 to input the size of the screen 23 of the display device 2 and the angle covered by the size, and touches the button 100, the trigger module of the portable computing device 1 11 generates the trigger signal, and the communication module 15 of the portable computing device 1 sends the trigger signal to the communication module 24 of the display device 2 .

As shown in step 505, the pointer movement calculation module 13 of the portable computing device 1 calculates the size S _S of the screen 23 of the display device 2 and the angle θ _S covered by the size using the following formula (2): The default displacement angle ratio R _S , and according to the horizontal axis rotation component θ _X , the vertical axis rotation component θ _Y , the horizontal movement component M _X , the vertical movement component M _Y and the default displacement angle ratio data, and use the following formula (3) calculating the displacement of the indicator, wherein the displacement of the indicator includes the horizontal movement distance Offest _X of the indicator and the vertical movement distance Offest _Y of the indicator. In this preferred embodiment, the default displacement angle ratio data is the default displacement angle ratio R _S .

${\mathrm{<span\; class="notranslate">\; R</span>}}_{\mathrm{<span\; class="notranslate">\; S</span>}}<span\; class="notranslate">\; =</span>\frac{{\mathrm{<span\; class="notranslate">\; S</span>}}_{\mathrm{<span\; class="notranslate">\; S</span>}}}{{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; S</span>}}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 2</span>}<span\; class="notranslate">\; )</span>$

$\left\{\begin{array}{c}{\mathrm{<span\; class="notranslate">\; Offset</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}<span\; class="notranslate">\; \&times;</span>{\mathrm{<span\; class="notranslate">\; R</span>}}_{\mathrm{<span\; class="notranslate">\; S</span>}}<span\; class="notranslate">\; +</span>{\mathrm{<span\; class="notranslate">\; m</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}\\ {\mathrm{<span\; class="notranslate">\; Offset</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}<span\; class="notranslate">\; \&times;</span>{\mathrm{<span\; class="notranslate">\; R</span>}}_{\mathrm{<span\; class="notranslate">\; S</span>}}<span\; class="notranslate">\; +</span>{\mathrm{<span\; class="notranslate">\; m</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}\end{array}\right.<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 3</span>}<span\; class="notranslate">\; )</span>$

Wherein, when the movement of the portable computing device 1 is rotation, the values of the horizontal movement component M _X and the vertical movement component M _Y are zero; when the movement of the portable computing device 1 is movement, the horizontal axis rotates The value of the component θ _X and the vertical axis rotation component θ _Y is zero; when the motion of the portable computing device 1 has rotation and movement at the same time, the horizontal axis rotation component θ _X , the vertical axis rotation component θ _Y , and the horizontal movement The values of the component M _X and the vertical movement component M _Y are both non-zero.

From the above description, the advantages of this embodiment can be summarized as follows: Since the angle at which the user's own wrist can rotate varies from person to person, by allowing the user to input the size of the screen 23 of the display device 2 and the angle covered by the size, that is According to the individual needs of users, it can provide personalized usage methods. In addition, if the user is directly asked to input the default displacement angle ratio, it may happen that the default displacement angle ratio input by him is too small, so that when the motion of the portable computing device 1 is rotation, the indicator motion calculation module The displacement of the indicator mark calculated in 13 cannot cover the entire size of the screen 23 . Therefore, by allowing the user to input the size coverage angle (that is, to determine how many degrees the portable computing device 1 rotates to cover the size of the entire screen 23), and calculate the default through the indicator movement calculation module 13 The displacement angle ratio can prevent the user from accidentally inputting a default displacement angle ratio that is too large or too small, which makes it difficult to control the indicator image to be displayed at a new position on the screen 23 .

The third preferred embodiment of the display and control method of the indicator mark of the present invention can be implemented by a portable computing device 1 and a display device 2 similar to that shown in FIG. 1 . The difference is that the user interface module 14 of the portable computing device 1 is used for the user to input the length and width of the screen 23 of the display device 2, the angle covered by the length and the angle covered by the width, and the indicator movement calculation module 13 is also used to calculate a default horizontal axis displacement angle ratio and a default vertical axis displacement angle ratio according to the length and width of the screen 23 of the display device 2 , the length coverage angle and the width coverage angle.

Please refer to Fig. 1, Fig. 8 and Fig. 9, the method steps of the third preferred embodiment are substantially the same as those of the first preferred embodiment, wherein, steps 602-603 and steps 607-609 are respectively the same as steps 302-609 303 and steps 307 to 309 are the same, the same parts will not be repeated, and the different parts are in steps 601 and 605 .

As shown in step 601, when the user uses the user interface module 14 to input the length and width of the screen 23 of the display device 2, the angle covered by the length and the angle covered by the width, and touches the button 100, the portable The trigger module 11 of the computing device 1 generates the trigger signal, and the communication module 15 of the portable computing device 1 sends the trigger signal to the communication module 24 of the display device 2 .

As shown in step 605, the pointer movement calculation module 13 of the portable computing device 1 is based on the length _SL and width S _w of the screen 23 of the display device 2 , the length covers the angle θ _L and the width covers the angle θ _W , and use the following equations (4) and (5) to calculate the default horizontal axis displacement angle ratio R _L and the default vertical axis displacement angle ratio R _W , and according to the horizontal axis rotation component θ _X and the vertical axis rotation component θ _Y , the horizontal movement component M _X , the vertical movement component M _Y and the default displacement angle ratio data, and use the following formula (6) to calculate the displacement of the indicator, wherein the displacement of the indicator includes the horizontal movement distance of the indicator Offest _X and The indicator mark is moved vertically by Offest _Y. In this preferred embodiment, the default displacement angle ratio data is the default horizontal axis displacement angle ratio R _L and the default vertical axis displacement angle ratio R _W .

${\mathrm{<span\; class="notranslate">\; R</span>}}_{\mathrm{<span\; class="notranslate">\; L</span>}}<span\; class="notranslate">\; =</span>\frac{{\mathrm{<span\; class="notranslate">\; S</span>}}_{\mathrm{<span\; class="notranslate">\; L</span>}}}{{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; L</span>}}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 4</span>}<span\; class="notranslate">\; )</span>$

${\mathrm{<span\; class="notranslate">\; R</span>}}_{\mathrm{<span\; class="notranslate">\; W</span>}}<span\; class="notranslate">\; =</span>\frac{{\mathrm{<span\; class="notranslate">\; S</span>}}_{\mathrm{<span\; class="notranslate">\; W</span>}}}{{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; W</span>}}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 5</span>}<span\; class="notranslate">\; )</span>$

$\left\{\begin{array}{c}{\mathrm{<span\; class="notranslate">\; Offset</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}<span\; class="notranslate">\; \&times;</span>{\mathrm{<span\; class="notranslate">\; R</span>}}_{\mathrm{<span\; class="notranslate">\; L</span>}}<span\; class="notranslate">\; +</span>{\mathrm{<span\; class="notranslate">\; m</span>}}_{\mathrm{<span\; class="notranslate">\; x</span>}}\\ {\mathrm{<span\; class="notranslate">\; Offset</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}<span\; class="notranslate">\; =</span>{\mathrm{<span\; class="notranslate">\; \&theta;</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}<span\; class="notranslate">\; \&times;</span>{\mathrm{<span\; class="notranslate">\; R</span>}}_{\mathrm{<span\; class="notranslate">\; W</span>}}<span\; class="notranslate">\; +</span>{\mathrm{<span\; class="notranslate">\; m</span>}}_{\mathrm{<span\; class="notranslate">\; Y</span>}}\end{array}\right.<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 6</span>}<span\; class="notranslate">\; )</span>$

Wherein, when the movement of the portable computing device 1 is rotation, the values of the horizontal movement component M _X and the vertical movement component M _Y are zero; when the movement of the portable computing device 1 is movement, the horizontal axis rotates The value of the component θ _X and the vertical axis rotation component θ _Y is zero; when the motion of the portable computing device 1 has rotation and movement at the same time, the horizontal axis rotation component θ _X , the vertical axis rotation component θ _Y , and the horizontal movement The values of the component M _X and the vertical movement component M _Y are both non-zero.

From the above description, the advantages of this embodiment can be summarized as follows: since the angle of rotation of the user's own wrist around the horizontal axis and the vertical axis is different from person to person, by allowing the user to input the rotation angle of the screen 23 of the display device 2 Length and width, the length covers the angle and the width covers the angle (that is, the length of the entire screen 23 can be covered by the portable computing device 1 rotating around the horizontal axis by a few degrees, and the portable computing device 1 around the horizontal axis The vertical axis can cover the entire width of the screen 23 by rotating a few degrees), which can better meet the individual needs of users and provide a more personalized use method.

In summary, the trigger signal and the displacement of the indicator mark are sent to the display device 2 through the portable computing device 1, so that the display control module 22 of the display device 2 controls the screen 23 to correspond to the image signal. The image is displayed on the screen 23, and the indicator image is simultaneously displayed on the new position on the screen 23 by using the image overlay function, so that only the portable computing device 1 and the display device 2 are used instead of The purpose of displaying and controlling the indicator image can be displayed and controlled only by consuming computer resources, so the purpose of the present invention can indeed be achieved.

The above are only preferred embodiments of the present invention, and should not limit the scope of the present invention, that is, all simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description are still the same. Belong to the scope of the patent of the present invention.

Claims (9)

1. A method for displaying and controlling indicator marks, applicable to a portable computing device used by a user and a display device communicating with the portable computing device, the portable computing device including a trigger module 1. A motion sensing module and an indicator motion calculation module, the display device includes a processing module, a display control module and a screen, characterized in that: the method includes the following steps: (A) The trigger module of the portable computing device generates a trigger signal to trigger the display control module of the display device to display an indicator image at an initial position on the screen, wherein the initial position is a horizontal axis and the origin of a plane coordinate system of a vertical axis, and the horizontal axis is parallel to the length direction of the screen, and the vertical axis is parallel to the width direction of the screen; (B) the motion sensing module of the portable computing device generates a motion parameter set corresponding to the motion of the portable computing device based on the trigger signal; (C) The pointer movement calculation module of the portable computing device calculates an indicator displacement representing the displacement of the indicator image on the screen according to the motion parameter set, wherein the indicator displacement includes an indication The horizontal movement distance of the mark and the vertical movement distance of an indicator mark; (D) The processing module of the display device calculates a new position on the screen where the image of the indicator mark will be displayed according to the horizontal movement distance of the indicator mark, the vertical movement distance of the indicator mark and the resolution of the display device; and (E) The display control module of the display device displays the indicator image at the new position on the screen. 2. The display and control method of indicator marks according to claim 1, characterized in that: in the step (B), the motion sensing module of the portable computing device includes a gyroscope and a gravity sensor at least one. 3. The display and control method of the indicator mark according to claim 1, characterized in that: in the step (B), the motion parameter set includes a horizontal axis rotation component that rotates around the horizontal axis, a rotation component around the vertical axis A vertical axis rotation component, a horizontal movement component, and a vertical movement component of the axis rotation. 4. The display and control method of the indicator according to claim 3, characterized in that: in the step (C), the indicator movement calculation module is based on the horizontal axis rotation component, the vertical axis rotation component, and the horizontal movement component , the vertical movement component and the default displacement angle ratio data, and calculate the displacement of the indicator. 5. The method for displaying and controlling the indicator mark according to claim 4, wherein the portable computing device further comprises a user interface module, the default displacement angle ratio data includes a default displacement angle ratio, and in the In step (A), when the user uses the user interface module to input the default displacement angle ratio and touches a button, the trigger module of the portable computing device generates the trigger signal. 6. The method for displaying and controlling the indicator mark according to claim 4, wherein the portable computing device further comprises a user interface module, the default displacement angle ratio data includes a default displacement angle ratio, and in the step In (A), when the user uses the user interface module to input the size of the screen of the display device and a size coverage angle and touches a button, the trigger module of the portable computing device generates the trigger signal. 7. The display and control method of the indicator according to claim 6, characterized in that: in the step (C), the indicator movement calculation module is based on the size of the screen of the display device and the size coverage angle, Computes this default displacement angle ratio. 8. The method for displaying and controlling an indicator mark according to claim 4, wherein the portable computing device further comprises a user interface module, and the default displacement angle ratio data includes a default horizontal axis displacement angle ratio and a default displacement angle ratio. Default vertical axis displacement angle ratio, and in the step (A), when the user utilizes the user interface module to input the length and width of the screen of the display device, a length coverage angle and a width coverage angle and touches a button , the trigger module of the portable computing device generates the trigger signal. 9. The display and control method of the indicator according to claim 8, characterized in that: in the step (C), the indicator motion calculation module is based on the length and width of the screen of the display device, the length covers The angle and width cover the angle, and the default horizontal axis displacement angle ratio and the default vertical axis displacement angle ratio are calculated.