CN102455806A - Method for operating terminal with touch screen and terminal - Google Patents
Method for operating terminal with touch screen and terminal Download PDFInfo
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- CN102455806A CN102455806A CN2010105172542A CN201010517254A CN102455806A CN 102455806 A CN102455806 A CN 102455806A CN 2010105172542 A CN2010105172542 A CN 2010105172542A CN 201010517254 A CN201010517254 A CN 201010517254A CN 102455806 A CN102455806 A CN 102455806A
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Abstract
The invention provides a method for operating a terminal with a touch screen and the terminal. The method for operating the terminal specially comprises the steps of: according to the characteristic that a user clicks the touch screen by using a most significant end of a clicking object, determining a touch reference point through a projection of the clicking object on the touch screen, determining an actual touch point generated through actual touch as a touch position expected by the user when the distance between the actual touch point and the touch reference point is less than the set value, and determining a corresponding operation capable of executing the touch position so as to reduce possibility of misoperation, and accurately recognizing a position of the actual touch point when the user gives more than one touch position.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of terminal operating method and terminal that has touch-screen.
Background technology
Continuous development along with terminal device; The range of application of touch-screen in terminal device becomes more and more widely; From the control/operating system of the shop equipment of industrial use, the electronic enquiry facility of public information inquiry, the cash machine of commercial use, all can see the figure of touch-screen to the mobile phone of consumer electronics, personal digital assistant (PDA), digital camera etc.
Touch-screen can replace mouse or keyboard; Bring the user more directly with operating experience easily; During work; As long as touch icon or menu on the touch-screen with finger or other operating equipment, terminal device promptly can come the information input of consumer positioning, the i.e. corresponding information input of a touch location (touch point) according to the position that touches.Touch-screen comprises screen, touches detection part and touch screen controller; Touch detection part and be installed in screen front; Be used to detect user touch location, and detected touching position information is sent to touch screen controller, touch screen controller is after receiving touching position information; Convert touching position information to contact coordinate; And the contact coordinate after will changing sends to the central processing unit (CPU) of terminal device, and simultaneously, touch screen controller can also receive the order that CPU sends and carry out.
At present, touch-screen perceptive mode to external world is from traditional contact, develops contactless solution; Just can perception user in-plant gesture profile or action before the touch-screen screen through the infrared ray sensing method; Thereby confirm user's information input, like corresponding relation, when identifying user's gesture profile according to pre-set gesture profile and information input; Confirm user's information input; And for example, according to the characteristic (like the continuity of infrared radiation on a certain direction of reflected back) of the formed infrared radiation that reflects of specific action, the corresponding relation of pre-set specific action and information input; When user's hand is brandished up or down; Confirm that the user turns on need carrying out or under turn over operation, when user's hand is brandished to the left or to the right, confirm that the user need carry out that turn on a left side or operation is turned on the right side.Be illustrated in figure 1 as the installation site synoptic diagram of an infrared ray sensing device on contactless touch-screen; On the whole touch screen screen, being staggered, (1 among Fig. 1 representes infrared receiver for RF transmitter and infrared receiver; The infrared ray that 2 expression RF transmitters send); Be illustrated in figure 2 as the structural representation of contactless infrared touch screen, RF transmitter and infrared receiver are formed " near panel layer ", and belong to wherein one deck of touch-screen screen.
The principle of work of concrete infrared ray sensing method is: near sensor (Proximity sensor) integrated on the touch-screen screen; Near sensor can comprise RF transmitter; Be used to send infrared radiation, and infrared receiver, be used to receive the infrared radiation of being returned by finger, palmar; Thereby user's input information is confirmed in perception user's gesture profile or action.Confirm in the process of user's input information in the infrared ray sensing method; The perception to external world of infrared ray sensing method is based on shape recognition or the action recognition to finger or palm, and can not confirm an information input according to the reflection spot of an independent infrared radiation.
And when touch-screen perceptive mode to external world is contact, have a false touch problem, such as; On the touch-screen screen of a single touch instruction of acceptance; If the user has provided the touch location more than because of carelessness on the touch-screen screen, touch-screen just can not judge that which position is the position that the user really will touch, if just judge in proper order according to the time order and function that touches; Just be easy to do the judgement that makes mistake, and the operation of execution error; And for example; The user is when clicking touch screen; Generally be to click touch-screen with (like the finger tip of finger) foremost of clicking thing, if but user when having clicked touch-screen with other positions of clicking thing unintentionally, at this moment; It is false touch that touch-screen can not identify this touch, and can cause the maloperation of touch-screen.
Summary of the invention
The embodiment of the invention provides a kind of terminal operating method and terminal that has touch-screen; Be used for solving prior art when touch-screen perceptive mode to external world is contact, because the accurate problem of recognizing touch operation position of the touch-screen that the false touch of touch-screen is caused.
A kind of terminal operating method that has touch-screen, said method comprises:
Confirm to click the view field of thing on the touch-screen screen;
From the said view field that confirms, select to touch reference point;
Confirm to click the actual touch point of thing on the touch-screen screen, and the distance between said actual touch point and said touch reference point is when setting first threshold, the operation of the said actual touch point of definite click is legal operation; Otherwise, confirm that the operation of the said actual touch point of click is illegal operation.
A kind of terminal that has touch-screen, said terminal comprises:
Projection module is used for confirming to click the view field of thing on the touch-screen screen;
The reference point determination module is used for selecting to touch reference point from the said view field that confirms;
The operation acknowledgement module is used for confirm clicking the actual touch point of thing on the touch-screen screen, and the distance between said actual touch point and said touch reference point is when setting first threshold, and the operation of the said actual touch point of definite click is legal operation; Otherwise, confirm that the operation of the said actual touch point of click is illegal operation.
The embodiment of the invention is clicked the characteristics of clicking touch-screen foremost of thing according to user's general using; Confirm that through clicking the projection of thing on the touch-screen screen touches a reference point; And at actual touch point and when touching distance between the reference point less than setting value; Confirm the touch location that actual touch point that actual touch produces is hoped for the user, and confirm to carry out the pairing operation of said touch location, thereby reduced the possibility of maloperation; And when the user has provided more than one touch location, still can accurately discern the position of actual touch point.
Description of drawings
Fig. 1 is the installation site synoptic diagram of prior art middle infrared (Mid-IR) sensing device on contactless touch-screen;
Fig. 2 is the structural representation of contactless infrared touch screen in the prior art;
A kind of method flow diagram that has the terminal operating of touch-screen that Fig. 3 provides for the embodiment of the invention one;
A kind of method flow diagram that has the terminal operating of touch-screen that Fig. 4 provides for the embodiment of the invention two;
A kind of synoptic diagram of clicking thing two kinds of situation of projection on the touch-screen screen that Fig. 5 (a) and Fig. 5 (b) provide for the embodiment of the invention two;
The screen coordinate system of a kind of setting that Fig. 6 provides for the embodiment of the invention two;
A kind of structural representation that has the terminal of touch-screen that Fig. 7 provides for the embodiment of the invention three.
Embodiment
When touch-screen is carried out the contact touch operation; General using is clicked thing; Click (or touch) operation like finger or felt pen, click thing and extend and be covered on the screen, and can on the touch-screen screen, can produce projection from the screen edge of touch-screen; And the user generally carries out clicking operation with (like the finger tip of finger) foremost of clicking thing, can judge the projected position in the touch-screen screen foremost of clicking thing thus and be the user and really want the position that touches.Therefore, embodiment of the invention proposition is a kind of to utilize the projection of click thing on the touch-screen screen to confirm to touch reference point, thereby confirms the method for actual touch position, solves the technical matters that the present invention proposes.
Below in conjunction with Figure of description and embodiment technical scheme of the present invention is elaborated.
Embodiment one,
The embodiment of the invention one provides a kind of terminal operating method that has touch-screen, is illustrated in figure 3 as the method flow diagram of the terminal operating that has touch-screen that the embodiment of the invention one provides, and concrete steps comprise:
In the present invention program, can utilize infrared ray sensing method or thermoinduction method to confirm to click the view field of thing on the touch-screen screen.When the view field that utilizes the thermoinduction mode to send out confirm to click thing on the touch-screen screen, this clicks thing is the object of temperature value in certain temperature range, as, point.
This step includes but not limited to utilize the infrared ray sensing method to confirm to click the view field of thing on the touch-screen screen through infrared receiver and RF transmitter are installed on touch-screen; Or utilize the identification of thermoinduction method to click the view field of thing.
According to the characteristics of clicking touch-screen foremost of user's general using click thing, the subpoint of in this step, confirming to click thing on the touch-screen screen foremost is for touching reference point.With touch-screen screen sideline the characteristic that overlaps is arranged according to clicking the projection of thing on the touch-screen screen; Can confirm the projection that view field overlaps with touch-screen screen sideline; Have one section continuous length according to clicking thing, the projection line of the said coincidence of view field's middle distance or the subpoint of subpoint furthest are confirmed to touch reference point.
Confirm that the concrete steps that touch reference point comprise:
The first step, on the touch-screen screen, screen coordinate system is set.
After having set screen coordinate system, can confirm to click the coordinate of each subpoint in the view field of thing on the touch-screen screen, be used for the relative position of follow-up definite touch reference point at the touch-screen screen.
Second goes on foot, confirms projection line or subpoint that view field overlaps with touch-screen screen sideline.
The projection that the view field of click thing on the touch-screen screen overlaps with touch-screen screen sideline possibly be a subpoint, also possibly be a plurality of subpoints.Said a plurality of subpoint possibly drop on the screen sideline, can fit to a line segment with dropping on a subpoint on the screen sideline; Also possibly drop on two crossing screen sidelines, can on two screen sidelines, respectively simulate a line segment respectively.
The 3rd step, with in the view field with the longest point of the distance of said projection line or subpoint as touching reference point.
The distance that can be through putting line segment or the distance of point-to-point are determined said projection line of view field's middle distance or subpoint point farthest, and with this point as the touch reference point of determining.
More excellent, confirming to touch the calculated amount in the reference point process in order to reduce, can the said projection line of determining in second step be reduced to a subpoint (simplification point), the rule of simplification as follows:
1, when the projection line of confirming is two, the intersection point of confirming two projection lines is for simplifying point.
2, when the projection line of confirming is one, and this projection line is not when comprising the intersection point in screen sideline, and the mid point of confirming projection line is for simplifying point.
3, be one at the projection line of confirming, and this projection line is when comprising the intersection point in screen sideline, the intersection point of confirming said screen sideline is for simplifying point.
After said projection line being reduced to a subpoint (simplification point), confirm in the 3rd step in the view field that point with the furthest of simplifying point is for touching reference point.
Whether step 103, definite operation of clicking actual touch point are legal operation.
Click the characteristics of clicking touch-screen foremost of thing according to user's general using; Determine and be used to represent to click after the touch reference point foremost of thing; Whether be utilize foremost the click touch-screen of clicking thing produce, can judge that promptly actual touch is maloperation or legal operation if can confirm to click the actual touch point of thing on the touch-screen screen.
Distance between said actual touch point and said touch reference point is when setting first threshold; As set the distance that first threshold is 5 pixels; At actual touch point and when touching distance between the reference point less than 5 pixels; The operation of confirming the said actual touch point of click is legal operation, confirms that promptly said actual touch point is that the user utilizes the screen of clicking foremost of clicking thing to produce, and therefore can carry out this touches pairing instruction; Otherwise, confirm that the operation of the said actual touch point of click is illegal operation, confirm that promptly said actual touch point is not that the user utilizes the screen of clicking foremost of clicking thing to produce, refusal is carried out to be somebody's turn to do and is touched pairing instruction.
The coordinate system that when the screen coordinate system of setting and touch-screen are confirmed actual touch point, sets is not simultaneously; The coordinate conversion of coordinate and actual touch point that also needs to touch reference point confirms that distance between the two is whether less than the first threshold of setting to the same coordinate system.
Through a concrete instance embodiment of the invention one is described below.
Embodiment two,
The embodiment of the invention two provides a kind of infrared ray sensing method of utilizing to confirm to click thing projection in the touch-screen screen, thereby operation has the method at the terminal of touch-screen.
The embodiment of the invention two provides, and a kind of terminal operating method flow process that has a touch-screen is as shown in Figure 4, and said method specifically comprises:
In order to confirm to click the view field of thing on the touch-screen screen; RF transmitter and infrared receiver can be installed on touch-screen; Be depicted as two kinds of situation clicking thing projection on the touch-screen screen like Fig. 5 (a) and Fig. 5 (b); Ellipse representation among the figure is clicked the profile of thing; Rectangle housing among the figure is represented the touch-screen screen, and a plurality of equally distributed little rectangle in the rectangle housing is represented the position of infrared receiver, and the quantity of the little rectangle in the said rectangle housing can be set; The oval region representation that intersects with the rectangle housing is clicked the view field of thing on the touch-screen screen, then utilizes the infrared ray sensing method to confirm to click the view field of thing on the touch-screen screen and comprises:
The first step, utilize RF transmitter emission infrared ray, during less than second threshold value, utilize infrared receiver to receive the infrared ray that reflects in the distance of clicking thing and touch-screen screen.
Said second threshold value is meant the distance value that RF transmitter and infrared receiver can operate as normal.In the distance of clicking thing and touch-screen during less than second threshold value, the infrared ray that utilizes the RF transmitter emission just can be owing to the obstacle of clicking thing be reflected, and the infrared ray that is reflected by the infrared receiver reception.
Second step, basis receive the position of the corresponding screen of ultrared infrared receiver, confirm to click the view field of thing on the touch-screen screen.
Shown in Fig. 5 (a) and Fig. 5 (b); According to the position that respectively receives ultrared infrared receiver pairing little rectangle on the touch-screen screen; Can confirm to click the view field of thing on the touch-screen screen; Promptly oval zone of intersecting with the rectangle housing, said view field is represented by the little rectangle that a plurality of centers among figure (a) and Fig. 5 (b) have square stain.
In the contact touch-screen, set a coordinate system, any intersection point that can set touch-screen screen sideline is an initial point, and establishing horizontal direction is the X axle, and vertical direction is the Y axle; The screen coordinate system of setting is as shown in Figure 6, and this coordinate origin is set at the A point, and coordinate is (0; 0), then X-direction (horizontal direction) distance A point point farthest is the B point, and coordinate can be set at (MAX; 0), Y direction (vertical direction) distance A point point farthest is the C point, and coordinate can be set at (0; MAX), the unit coordinate distance on X axle and the Y axle can be set according to the resolution of touch-screen screen, is 1 pixel like the unit coordinate distance of setting on horizontal ordinate and the ordinate.After having set screen coordinate system, any point on the screen can be represented with screen coordinate.
According to the projecting method shown in Fig. 5 (a) and Fig. 5 (b), can confirm to click projection line or the subpoint that thing overlaps with touch-screen screen sideline to the view field that the touch-screen screen prjection is produced.Because the screen coordinate system of setting is as shown in Figure 6, can confirm to overlap the coordinate of subpoint, and the coordinate of forming each subpoint of the projection line that overlaps.
Because forming each subpoint of the projection line that overlaps representes by receiving ultrared infrared receiver; Therefore; The projection line that said composition overlaps when more infrared receiver has been installed, is used to then to represent that the quantity of subpoint of the projection line that overlaps is more on screen; Said projection line can be regarded as and be made up of each subpoint; If the infrared receiver negligible amounts of installing on the screen, then be used to represent the negligible amounts of the subpoint of the projection line that overlaps, then said projection line can be regarded as and formed by each subpoint match.
Can confirm to simplify the coordinate of point further according to like embodiment one described rule of simplification.Because the coordinate system of setting is as shown in Figure 6, to simplify in the horizontal ordinate or ordinate of point, it is 0 or MAX that a coordinate figure is always arranged, and therefore, confirms that the coordinate of simplifying point specifically comprises:
The first step, definite first coordinate figure of simplifying point.
With horizontal ordinate or ordinate be 0 or the abscissa value of the subpoint of MAX or ordinate value as first coordinate figure of simplifying subpoint, said first coordinate figure possibly be 0, also possibly be MAX, possibly be the X coordinate, also possibly be the Y coordinate.
Second step, definite second coordinate figure of simplifying point.
If in the subpoint of the projection line that the composition view field that determines overlaps with touch-screen screen sideline; Another coordinate figure of any subpoint also is 0 or MAX just; Then can this subpoint be confirmed as the simplification point, and can confirm to simplify second coordinate figure a little thus.
If in the subpoint of the projection line that composition view field overlaps with touch-screen screen sideline; Another coordinate figure that the neither one subpoint is corresponding is 0 or MAX just; Then can calculate all subpoints of forming projection lines another coordinate figure mean value and round; Maximal value and the mean deviation of minimum value of perhaps getting another coordinate figure of all subpoints of forming projection lines round, thereby obtain simplifying second coordinate figure a little.
Go on foot first and second coordinate figures of determining the simplification point through the first step and second, thereby can confirm to simplify the some position in the touch-screen screen.
The method of definite touch reference point is identical with the method among the embodiment one; The distance that can be through putting line segment or the distance of point-to-point are determined said projection line of view field's middle distance or subpoint point farthest, and with this point as the touch reference point of determining.
Further projection line is being reduced to when simplifying point, can be in this step according to the distance calculation formula of point-to-point, confirm in the view field that point with the furthest of simplifying point is for touching reference point.More excellent, can calculate the horizontal ordinate and the ordinate that touch reference point respectively, simplifying some horizontal ordinate abscissa value farthest with distance is the abscissa value that touches reference point, simplifying some ordinate ordinate value farthest with distance is the ordinate value that touches reference point.
Whether step 205, definite operation of clicking actual touch point are legal operations.
Confirm in this step that whether actual clicking operation is that the verification method of legal operation is identical with embodiment one, repeats no more at this.
It is to be noted; In practical operation; Receive RF transmitter and infrared receiver that the influence of quantity is installed, touch reference point locations of being determined by the infrared ray sensing method and user's actual touch point have certain distance, except can setting suitable first threshold; Can also represent one to touch reference area by the touch reference point that identifies; The size of said touch reference area can be to set according to the position dynamic that touches reference point, if the position of the touch reference point that identifies in this touch reference area, then can be when identifying this touch reference point; As long as the distance between definite actual touch point and the touch reference area is less than the 3rd threshold value of setting; Promptly can confirm to click the legal operation of being operating as of said actual touch point, otherwise, confirm to click the illegal operation that is operating as of said actual touch point.
Embodiment three,
The embodiment of the invention three provides a kind of terminal that has touch-screen, is illustrated in figure 7 as the structural representation at the terminal that the embodiment of the invention three provides, and said terminal comprises projection module 11, reference point determination module 12 and operation acknowledgement module 13, wherein:
Projection module 11 is used for confirming to click the view field of thing on the touch-screen screen; Reference point determination module 12 is used for selecting to touch reference point from the said view field that confirms; Operation acknowledgement module 13 is used for confirm clicking the actual touch point of thing on the touch-screen screen, and the distance between said actual touch point and said touch reference point is when setting first threshold, and the operation of the said actual touch point of definite click is legal operation; Otherwise, confirm that the operation of the said actual touch point of click is illegal operation.
Reference point determination module 12 comprises that coordinate system setup unit 121, coincide point confirm unit 122 and decision package 123, wherein:
Coordinate system setup unit 121 is used on the touch-screen screen, screen coordinate system being set; Coincide point confirms that unit 122 is used for projection line or the subpoint of confirming that view field overlaps with touch-screen screen sideline; Decision package 123 is used for the point that view field and the distance of said projection line or subpoint is the longest as touching reference point.
Said reference point determination module comprises that also first confirms unit 124, is used for when the projection line of confirming is two, confirming the intersection point of two projection lines.
Said decision package 123 specifically is used for the point that view field and the distance of the intersection point of two projection lines is the longest as touching reference point.
Said reference point determination module comprises that also second confirms unit 125, be used for when the projection line of confirming is one, and this projection line is confirmed the mid point of projection line when not comprising the intersection point in screen sideline.
Said decision package 123 specifically is used for the point that view field and the distance of the mid point of projection line is the longest as touching reference point.
Said reference point determination module comprises that also the 3rd confirms unit 126, and being used at the projection line of confirming is one, and this projection line is confirmed the intersection point in said screen sideline when comprising the intersection point in screen sideline.
Said decision package 123 specifically is used for the point that view field and the distance of the intersection point in screen sideline is the longest as touching reference point.
Said projection module 11 specifically is used to utilize infrared ray sensing mode or thermoinduction mode to confirm to click the view field of thing on the touch-screen screen.When the view field that utilizes the definite click of infrared ray sensing mode thing on the touch-screen screen; Projection module 11 utilizes RF transmitter emission infrared ray; In the distance of clicking thing and touch-screen screen during less than second threshold value; Utilize infrared receiver to receive the infrared ray of reflection,, confirm to click the view field of thing on the touch-screen screen according to the position that receives the corresponding screen of ultrared infrared receiver.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a terminal operating method that has touch-screen is characterized in that, said method comprises:
Confirm to click the view field of thing on the touch-screen screen;
From the said view field that confirms, select to touch reference point;
Confirm to click the actual touch point of thing on the touch-screen screen, and the distance between said actual touch point and said touch reference point is when setting first threshold, the operation of the said actual touch point of definite click is legal operation; Otherwise, confirm that the operation of the said actual touch point of click is illegal operation.
2. the method for claim 1 is characterized in that, said method also comprises: from the said view field that confirms, select to touch reference point, specifically comprise:
On the touch-screen screen, screen coordinate system is set;
Confirm projection line or subpoint that view field overlaps with touch-screen screen sideline;
With in the view field with the longest point of the distance of said projection line or subpoint as touching reference point.
3. method as claimed in claim 2 is characterized in that, confirms after the said projection line, and confirm to touch before the reference point that said method also comprises:
When the projection line of confirming is two, confirm the intersection point of two projection lines;
With in the view field with the longest point of the vertical range of said projection line as touching reference point, specifically comprise:
With in the view field with the longest point of the distance of the intersection point of two projection lines as touching reference point.
4. method as claimed in claim 2 is characterized in that, confirms after the said projection line, and confirm to touch before the reference point that said method also comprises:
When the projection line of confirming is one, and this projection line is confirmed the mid point of projection line when not comprising the intersection point in screen sideline;
With in the view field with the longest point of the vertical range of said projection line as touching reference point, specifically comprise:
With in the view field with the longest point of the distance of the mid point of projection line as touching reference point.
5. method as claimed in claim 2 is characterized in that, confirms after the said projection line, and confirm to touch before the reference point that said method also comprises:
Projection line confirming is one, and this projection line is confirmed the intersection point in said screen sideline when comprising the intersection point in screen sideline;
With in the view field with the longest point of the vertical range of said projection line as touching reference point, specifically comprise:
With in the view field with the longest point of the distance of the intersection point in screen sideline as touching reference point.
6. like the arbitrary described method of claim 1～5, it is characterized in that, utilize infrared ray sensing mode or thermoinduction mode to confirm to click the view field of thing on the touch-screen screen.
7. a terminal that has touch-screen is characterized in that, said terminal comprises:
Projection module is used for confirming to click the view field of thing on the touch-screen screen;
The reference point determination module is used for selecting to touch reference point from the said view field that confirms;
The operation acknowledgement module is used for confirm clicking the actual touch point of thing on the touch-screen screen, and the distance between said actual touch point and said touch reference point is when setting first threshold, and the operation of the said actual touch point of definite click is legal operation; Otherwise, confirm that the operation of the said actual touch point of click is illegal operation.
8. terminal as claimed in claim 7 is characterized in that, said reference point determination module comprises:
The coordinate system setup unit is used on the touch-screen screen, screen coordinate system being set;
Coincide point is confirmed the unit, is used for projection line or the subpoint of confirming that view field overlaps with touch-screen screen sideline;
Decision package is used for the point that view field and the distance of said projection line or subpoint is the longest as touching reference point.
9. terminal as claimed in claim 8 is characterized in that, said reference point determination module also comprises:
First confirms the unit, is used for when the projection line of confirming is two, confirming the intersection point of two projection lines;
Said decision package specifically is used for the point that view field and the distance of the intersection point of two projection lines is the longest as touching reference point.
10. terminal as claimed in claim 8 is characterized in that, said reference point determination module also comprises:
Second confirms the unit, be used for when the projection line of confirming is one, and this projection line is confirmed the mid point of projection line when not comprising the intersection point in screen sideline;
Said decision package specifically is used for the point that view field and the distance of the mid point of projection line is the longest as touching reference point.
11. terminal as claimed in claim 8 is characterized in that, said reference point determination module also comprises:
The 3rd confirms the unit, and being used at the projection line of confirming is one, and this projection line is confirmed the intersection point in said screen sideline when comprising the intersection point in screen sideline;
Said decision package specifically is used for the point that view field and the distance of the intersection point in screen sideline is the longest as touching reference point.
12. like the arbitrary described terminal of claim 7～11, it is characterized in that,
Said projection module specifically is used to utilize infrared ray sensing mode or thermoinduction mode to confirm to click the view field of thing on the touch-screen screen.
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| CN 201010517254 CN102455806B (en) | 2010-10-15 | 2010-10-15 | Method for operating terminal with touch screen and terminal |
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| CN103702151A (en) * | 2013-11-25 | 2014-04-02 | 何文林 | Man-computer interaction remote control device and method for intelligent television and touch control screen |
| CN105094474A (en) * | 2014-05-23 | 2015-11-25 | 中兴通讯股份有限公司 | Response method and response device of terminal touch operation |
| WO2015176441A1 (en) * | 2014-05-23 | 2015-11-26 | 中兴通讯股份有限公司 | Touch operation response method and device for terminal |
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