CN104035632B - A kind of information processing method and electronic equipment - Google Patents
A kind of information processing method and electronic equipment Download PDFInfo
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- CN104035632B CN104035632B CN201310067461.6A CN201310067461A CN104035632B CN 104035632 B CN104035632 B CN 104035632B CN 201310067461 A CN201310067461 A CN 201310067461A CN 104035632 B CN104035632 B CN 104035632B
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Abstract
The invention discloses a kind of information processing method, for enriching touch screen function.Methods described includes：Detect that the distance between at least one touch point and the touch-display unit are the first distance more than first threshold in M touch-control dot position information of M touch point for obtaining the N number of operating body of correspondence, the M touch point by the touch-display unit；M is the integer not less than 2, and N is positive integer；Based on the M touch-control dot position information, common corresponding first spatial positional information of N number of operating body is determined.The invention also discloses the electronic equipment for realizing methods described.
Description
Technical field
The present invention relates to computer and built-in field, more particularly to a kind of information processing method and electronic equipment.
Background technology
Touch screen (touch screen) is also known as " touch screen ", " contact panel ", is that one kind can receive the input such as contact
The induction type liquid crystal display device of signal, when contacting the graphic button on screen, the haptic feedback system on screen can root
Various link devices are driven according to the formula of preprogramming, mechanical push button panel are substituted for, and draw by liquid crystal display
Face produces lively visual and sound effects.Touch screen as a kind of newest computer input apparatus, it be it is most simple at present, conveniently,
A kind of natural man-machine interaction mode.It imparts multimedia with brand-new looks, is that extremely attractive brand-new multimedia is handed over
Mutual equipment.
In the prior art, capacitance type touch control screen is particulate metal conductive materials that layer of transparent is sticked in glass surface.When
When finger is touched on the metal layer, the electric capacity of contact will change so that the oscillator frequency being attached thereto changes,
It can determine that touch location obtains information by measurement frequency change.
That is, in the prior art, only when the finger of user touches touch screen, touch screen can just be rung
Should, the position of user's finger is determined, and user is when using electronic equipment sometimes, such as when playing 3D game, may have
Some gesture informations, but the space gesture of the hand for user, touch screen cannot respond to.It can be seen that, touch screen work(in the prior art
Can be limited.
The content of the invention
The embodiment of the present invention provides a kind of information processing method and electronic equipment, for solving touch screen work(in the prior art
The limited technical problem of energy, realizes the technique effect of abundant touch screen function.
A kind of information processing method, applied to electronic equipment, the electronic equipment has touch-display unit, methods described
Comprise the following steps：
Detect that M touch point position of M touch point for obtaining the N number of operating body of correspondence is believed by the touch-display unit
The distance between at least one touch point and the touch-display unit are more than first threshold in breath, the M touch point
The first distance；M is the integer not less than 2, and N is positive integer；
Based on the M touch-control dot position information, the common corresponding first space bit confidence of N number of operating body is determined
Breath.
Preferably, being touched in M that M touch point for obtaining the N number of operating body of correspondence is detected by the touch-display unit
Also include step before controlling dot position information：Increase the transmitting at least one transmitter unit that the touch-display unit includes
Electric current, and/or increase the area at least one capacitor cell that the touch-display unit includes.
Preferably, being touched in M that M touch point for obtaining the N number of operating body of correspondence is detected by the touch-display unit
Also include step before controlling dot position information：Obtain the correspondence M touch point M are detected by the touch-display unit
Each touch point information in touch point information, the M touch point information at least includes corresponding touch point corresponding first
Capacitance change information.
Preferably, detecting M touch-control of M touch point for obtaining the N number of operating body of correspondence by the touch-display unit
The step of dot position information, includes：According to the M touch point information acquisition M the first capacitance change information, according to the M
M touch-control dot position information described in individual first capacitance change information acquisition.
Preferably, detecting M touch-control of M touch point for obtaining the N number of operating body of correspondence by the touch-display unit
Also include step after dot position information：
At least one first area is determined by the M touch-control dot position information；In at least one described first area
Each first area to that should have each firstth area at least one touch-control dot position information, at least one described first area
The touch-control intensity corresponding to all touch point information that domain includes be not less than preset touch intensity, wherein it is described at least one
Each first area one operating body of correspondence in first area, the corresponding all touch points positions in described at least one first area
Confidence breath is the M touch-control dot position information；
By each first area at least one described first area, corresponding secondth area is determined
Domain, the touch-control intensity corresponding to all touch point information that the second area includes is respectively less than the preset touch intensity.
Preferably, when the quantity for the second area determined is not less than 2, in by least one described first area
Each first area, determining also includes step after a second area adjacent thereto：
Whether judge at least one second area determined with the presence of two second area intersections；
When at least one described second area with the presence of two second area intersections, it is determined that should have coincidence part
Two operating bodies corresponding to two second areas being divided to are same operating body.
Preferably, described two second areas are first second area and second second area, described first the
Two regions are to that should have P touch-control dot position information, and second second area is to that should have K touch-control dot position information, and P, K are equal
For not less than 1 and no more than M integer, whether judge at least one second area determined with the presence of two second areas
The step of intersection, includes：Judge whether there is the first touch-control dot position information and the K in the P touch-control dot position information
The second touch-control dot position information in individual touch-control dot position information meets the first preparatory condition；
When at least one described second area with the presence of two second area intersections, it is determined that should have coincidence part
The step of two operating bodies corresponding to two second areas being divided to are same operating body includes：When the first touch point position
When information and the second touch-control dot position information meet first preparatory condition, determine that this has two of intersection
Two operating bodies corresponding to two regions are same operating body.
Preferably, first preparatory condition is：The first touch point position corresponding to the first touch-control dot position information
Put identical with the second touch point position corresponding to the second touch-control dot position information, or the first touch-control dot position information
Between the second touch point position corresponding to the first corresponding touch point position and the second touch-control dot position information
Two distances no more than pre-determined distance.
A kind of electronic equipment, the electronic equipment has touch-display unit, and the electronic equipment includes：
Detection module, the M for detecting M touch point for obtaining the N number of operating body of correspondence by the touch-display unit
The distance between at least one touch point and the touch-display unit in individual touch-control dot position information, the M touch point
For the first distance more than first threshold；M is the integer not less than 2, and N is positive integer；
First determining module, for based on the M touch-control dot position information, determining that N number of operating body is corresponded to jointly
The first spatial positional information.
Preferably, the electronic equipment also include operation module, for increase the touch-display unit include to
The emission current of a few transmitter unit, and/or increase at least one capacitor cell that the touch-display unit includes
Area.
Preferably, the detection module is additionally operable to：The correspondence M touch-control is obtained by touch-display unit detection
Each touch point information in M touch point information of point, the M touch point information at least includes corresponding touch point correspondence
The first capacitance change information.
Preferably, the detection module specifically for：According to the M touch point information acquisition M the first capacitance variations
Information is measured, the M touch-control dot position information according to the M the first capacitance change information acquisitions.
Preferably, the electronic equipment also includes the second determining module and the 3rd determining module；
Second determining module is used to determine at least one first area by the M touch-control dot position information；Institute
Each first area at least one first area is stated to that should have at least one touch-control dot position information, it is described at least one
The touch-control intensity corresponding to all touch point information that each first area in one region includes is not less than preset touch
Intensity, wherein at least one described first area each first area correspondence one operating body, it is described at least one first
The corresponding all touch-control dot position informations in region are the M touch-control dot position information；
3rd determining module is used for by each first area at least one described first area, determine with
Its corresponding second area, the touch-control intensity corresponding to all touch point information that the second area includes is respectively less than
The preset touch intensity.
Preferably, when the second area determined quantity be not less than 2 when, the electronic equipment also include judge module and
4th determining module；
Whether the judge module is used to judge at least one second area determined with the presence of two second areas
Intersection；
4th determining module is used at least one second area described in the presence of two second area coincidence parts
Timesharing, determines that there are two operating bodies corresponding to two second areas of intersection to be same operating body for this.
Preferably, described two second areas are first second area and second second area, described first the
Two regions are to that should have P touch-control dot position information, and second second area is to that should have K touch-control dot position information, and P, K are equal
For not less than 1 and no more than M integer, the judge module specifically for：Judge in the P touch-control dot position information whether
There is the second touch-control dot position information in the first touch-control dot position information and the K touch-control dot position information to meet first to preset
Condition；
4th determining module specifically for：When the first touch-control dot position information and the second touch point position
When information meets first preparatory condition, determine that this has two operating bodies corresponding to two second areas of intersection
For same operating body.
Preferably, first preparatory condition is：The first touch point position corresponding to the first touch-control dot position information
Put identical with the second touch point position corresponding to the second touch-control dot position information, or the first touch-control dot position information
Between the second touch point position corresponding to the first corresponding touch point position and the second touch-control dot position information
Two distances no more than pre-determined distance.
Information processing method in the embodiment of the present invention can apply to electronic equipment, and the electronic equipment can include touching
Display unit is controlled, methods described can include：M that obtain the N number of operating body of correspondence are detected by the touch-display unit to touch
Control in M touch-control dot position information of point, the M touch point between at least one touch point and the touch-display unit
Distance be more than first threshold the first distance；M is the integer not less than 2, and N is positive integer；Based on M touch point position
Confidence ceases, and determines the first spatial positional information of N number of operating body.
In the embodiment of the present invention, the M corresponding to N number of operating body can be obtained by the touch-display unit
The M touch-control dot position information of individual touch point, wherein, at least one touch point is touched with described in the M touch point
It is first distance to control the distance between display unit, then it was determined that at least one touch point in the M touch point
It is not in the touch-display unit, if for example, N=1, if the operating body is the hand of user, the operation
Body may current operation be space gesture operation, the electronic equipment can according to the M touch-control dot position information come
Determine first spatial positional information of the operating body, you can mutually should determine that the position of the operating body in space, i.e. institute
The space gesture that electronic equipment is capable of determining that user is stated, is responded so as to the space gesture according to user.And, no matter
N be equal to it is how many, i.e., no matter how many operating body, the electronic equipment can think that N number of operating body is completion jointly
One spatial operation, can determine first spatial positional information according to the operation of N number of operating body, it is to avoid
The error in judgement that the electronic equipment is likely to occur.If for example, the electronic equipment is mobile phone, the mobile phone can determine to use
The space gesture at family, so that user can carry out corresponding operating by space gesture, if for example, user plays playing,
Rising, decline process, adjustment direction of advance, flip angle etc. can be adjusted by space gesture, it is very convenient to operate, electricity
The sensitivity of sub- equipment is greatly improved, and enriches the function of touch screen, operating efficiency is also effectively increased for a user, carry
High Consumer's Experience.
Brief description of the drawings
Fig. 1 is the broad flow diagram of information processing method in the embodiment of the present invention；
Fig. 2 is the detailed structure view of electronic equipment in the embodiment of the present invention.
Embodiment
Information processing method in the embodiment of the present invention can apply to electronic equipment, and the electronic equipment can include touching
Display unit is controlled, methods described can include：M that obtain the N number of operating body of correspondence are detected by the touch-display unit to touch
Control in M touch-control dot position information of point, the M touch point between at least one touch point and the touch-display unit
Distance be more than first threshold the first distance；M is the integer not less than 2, and N is positive integer；Based on M touch point position
Confidence ceases, and determines the first spatial positional information of N number of operating body.
In the embodiment of the present invention, the M corresponding to N number of operating body can be obtained by the touch-display unit
The M touch-control dot position information of individual touch point, wherein, at least one touch point is touched with described in the M touch point
It is first distance to control the distance between display unit, then it was determined that at least one touch point in the M touch point
It is not in the touch-display unit, if for example, N=1, if the operating body is the hand of user, the operation
Body may current operation be space gesture operation, the electronic equipment can according to the M touch-control dot position information come
Determine first spatial positional information of the operating body, you can mutually should determine that the position of the operating body in space, i.e. institute
The space gesture that electronic equipment is capable of determining that user is stated, is responded so as to the space gesture according to user.And, no matter
N be equal to it is how many, i.e., no matter how many operating body, the electronic equipment can think that N number of operating body is completion jointly
One spatial operation, can determine first spatial positional information according to the operation of N number of operating body, it is to avoid
The error in judgement that the electronic equipment is likely to occur.If for example, the electronic equipment is mobile phone, the mobile phone can determine to use
The space gesture at family, so that user can carry out corresponding operating by space gesture, if for example, user plays playing,
Rising, decline process, adjustment direction of advance, flip angle etc. can be adjusted by space gesture, it is very convenient to operate, electricity
The sensitivity of sub- equipment is greatly improved, and enriches the function of touch screen, operating efficiency is also effectively increased for a user, carry
High Consumer's Experience.
Referring to Fig. 1, the embodiment of the present invention provides a kind of location determining method, and methods described can apply to electronic equipment,
The electronic equipment can have touch-display unit, and the main flow of methods described is as follows：
Step 101：M touch-control of M touch point for obtaining the N number of operating body of correspondence is detected by the touch-display unit
In dot position information, the M touch point the distance between at least one touch point and described touch-display unit be more than
First distance of first threshold；M is the integer not less than 2, and N is positive integer.
In the embodiment of the present invention, the electronic equipment can be that mobile phone, PAD (tablet personal computer) etc. have touch-display unit
Electronic equipment.
When there is N number of operating body to enter the detection range of the touch-display unit, the electronic equipment can lead to
Cross the M touch point position that the touch-display unit detection obtains the M touch point of correspondence N number of operating body
Information.
Specifically, being illustrated so that the electronic equipment is mobile phone as an example, the touch-display unit is the touch-control of mobile phone
Screen, preferably, the touch screen is capacitive touch screen.
In the prior art, the touch screen of mobile phone is also able to detect that the corresponding operating of the hand of user, but only when user's
Touch screen can just detect corresponding operating when hand touches touch screen.
Optionally, at least one emitter and at least one reception device are included in capacitive touch screen, the present invention is real
Apply in example, the emission current of at least one emitter can be increased, because emission current strengthens, the inspection of capacitive touch screen
Survey ability obviously also strengthens therewith, even if operating body is not exposed to the touch screen, the touch screen also can be in certain model
The positional information of operating body is detected in enclosing.
Optionally, include in capacitive touch screen at least one capacitor cell, the embodiment of the present invention, can increase described
The area of at least one capacitor cell, the area enhancing of capacitor cell, the increase of its capacitance, the detectability of capacitive touch screen
Strengthen therewith, even if operating body is not exposed to the touch screen, the touch screen can also detect behaviour within the specific limits
Make the positional information of body.
Optionally, it can both increase the emission current of at least one transmitter unit in the embodiment of the present invention, also increase
The area of at least one capacitor cell, so can be such that the detection range of the touch screen further expands, even if operation
Body is distant from touch screen, and touch screen is also able to detect that the positional information of operating body.
In the embodiment of the present invention, the M of acquisition correspondence N number of operating body is being detected by the touch-display unit
Before the M touch-control dot position information of individual touch point, the electronic equipment can pass through the touch-display unit first
Detection obtains M touch point information of the correspondence M touch point, wherein, each touch point in the M touch point information
The corresponding first capacitance change information of corresponding touch point can at least be included in information.For example, the M touch point information
In the first touch point information in can at least include the corresponding first capacitance change information of first touch point.
Cause is corresponding in the touch-display unit when there is touch point to enter the detection range of the touch-display unit
The electric capacity in region can change, therefore, can at least include in the touch point information that the electronic equipment detection is obtained
There is corresponding first capacitance change information.
The electronic equipment can obtained by the M touch point information acquisition M the first capacitance change information
After the M the first capacitance change information, the electronic equipment can be according to the M the first capacitance change information acquisitions
The M touch-control dot position information.
In the embodiment of the present invention, the corresponding pass that can be set up in advance between capacitance change information and touch-control dot position information
System, so that, it is determined that after the capacitance change information of a touch point, you can determine the touch-control according to the capacitance change information
The touch-control dot position information of point.In general, capacitance change is bigger, then the position where touch point shows single with the touch-control
The distance between member is nearer.
In the embodiment of the present invention, the first threshold is provided, is to ensure that the operation that N number of operating body is carried out is
Spatial operation.
If for example, the electronic equipment is mobile phone, the mobile phone has a display screen, and it is to protect to provide the first threshold
At least one touch point in the M touch point corresponding to N number of operating body is demonstrate,proved to be not at where the display screen
Plane on.
Step 102：Based on the M touch-control dot position information, common corresponding first space of N number of operating body is determined
Positional information.
After the M touch-control dot position information is obtained, can be determined according to the M touch-control dot position information described in
N number of common corresponding first spatial positional information of operating body institute.That is, in the embodiment of the present invention, no matter how many operation
Body, the electronic equipment can determine a spatial positional information according to the operation of N number of operating body, so as to only root
A kind of response is carried out according to first spatial positional information, it is to avoid the electronic equipment is because operating body is excessive, and operating body is carried out
Operation it is excessive and carry out errored response, and, if the operation that the electronic equipment will be carried out to each operating body is carried out
Response, it is likely that meeting since it is desired that response it is excessive and cause the electronic equipment failure.
, can will be in the M touch point often after the M touch-control dot position information is obtained in the embodiment of the present invention
The position of individual touch point is connected, so as to be that would know that N number of operating body according to the trace information of the M touch point
Posture, meanwhile, N number of operating body can be known according to the touch-control dot position information of each touch point in the M touch point
Particular location in space, so that, obtain first spatial positional information of N number of operating body.Wherein, described first
Spatial positional information can include the locus of N number of operating body and/or the posture of N number of operating body.
In the embodiment of the present invention, the M of acquisition correspondence N number of operating body is being detected by the touch-display unit
After the M touch-control dot position information of individual touch point, the electronic equipment can pass through the M touch-control dot position information
Determine at least one first area, wherein, each first area at least one described first area can to should have to
All touch points letter that each first area in a few touch-control dot position information, at least one described first area includes
The corresponding touch-control intensity of breath can be not less than preset touch intensity, wherein each the at least one described first area
One region can correspond to an operating body, and the corresponding all touch-control dot position informations in described at least one first area are described
M touch-control dot position information.
Wherein, in the embodiment of the present invention, the point that the operating body is in contact with the touch-display unit is properly termed as touching
Point is controlled, and the point that the operating body is projected in the touch-display unit is referred to as touch point.Preferably, the operation
With the nearer point of touch-display unit distance on body, the touch-control intensity of the touch point corresponding to it is bigger, on the contrary then touch-control
Intensity is smaller.The embodiment of the present invention can specify that the preset touch intensity, the M touch point can be divided into difference
Region.For example, if N=2, user is being operated with two hands, the posture of two hands is that finger is located at the electricity
On the display screen of sub- equipment, palm part is lifted, and is not on the display screen.Then now, corresponding to the finger of two hands
Touch point touch-control intensity it is obviously larger, the preset touch intensity, and the palm and two arms of two hands may be not less than
The touch-control intensity of touch point corresponding to arm is obviously smaller, is likely less than the preset touch intensity.The electronic equipment is in root
When determining first area according to the M touch-control dot position information, although the touch-control of the touch point corresponding to the finger of two hands is strong
Degree may all be not less than the preset touch intensity, but because two hands are likely to be not at the same area, i.e. two hands
Common factor, then now, the electricity may be not present in the touch point for referring to corresponding touch-control intensity not less than the preset touch intensity
Sub- equipment can determine two first areas according to the M touch-control dot position information.
After at least one described first area is determined, the electronic equipment can continue according to it is described at least one the
A corresponding second area is determined in each first area in one region, wherein, what the second area included
Touch-control intensity corresponding to all touch point information is respectively less than the preset touch intensity.In the embodiment of the present invention, if such as N
=2, user is being operated with two hands, and the posture of two hands is that finger is located on the display screen of the electronic equipment,
Palm part is lifted, and is not on the display screen, and defines two first areas, and two first areas are right respectively
Should be in the finger part of two hands.Then, secondth area adjacent thereto can be determined according to wherein first first area
Domain, i.e. for a hand, the touch point corresponding to touch point and palm corresponding to its finger must be adjacent, then can be with
Determine corresponding first the secondth area of palm portion, arm part in first first area according to corresponding to finger
Domain.In the embodiment of the present invention, at least one second area is capable of determining that according at least one described first area.
In the embodiment of the present invention, if it is determined that the quantity of the first area gone out is 1, then can determine N=1, i.e., only
There is an operating body.
Whether in the embodiment of the present invention, then may determine that has two second areas at least one second area determined
There is intersection.If it is determined that when determining at least one described second area with the presence of two second area intersections,
It can determine that there are two operating bodies corresponding to two second areas of intersection to be same operating body for this.
In the embodiment of the present invention, if it is determined that the quantity of the second area gone out is not less than 2, such as second area determined
In include first second area and second second area, first second area can be to that should have P touch point
Positional information, second second area can be to that should have K touch-control dot position information, and P, K are not less than 1 and be not more than
M integer, it can be determined that first second area and second second area whether there is intersection.
It is a kind of possible to judge first second area and described second the preferably, in the embodiment of the present invention
Two regions whether there is intersection the step of can be：Judge whether there is the first touch-control in the P touch-control dot position information
The second touch-control dot position information in dot position information and the K touch-control dot position information meets the first preparatory condition, if
Judge to determine that the first touch-control dot position information and the second touch-control dot position information meet first preparatory condition, really
Fixed first second area and second second area are overlapped.
In the embodiment of the present invention, first preparatory condition can be：Corresponding to the first touch-control dot position information
First touch point position is identical with the second touch point position corresponding to the second touch-control dot position information, or described first touches
Control described the corresponding to the first touch point position and the second touch-control dot position information corresponding to dot position information
Second distance between two touch point positions is not more than pre-determined distance.
Preferably, the first touch point position can be the first touch point coordinate, the second touch point position can be with
It is the second touch point coordinate, it can be determined that whether first touch point coordinate is identical with second touch point coordinate, or
It may determine that whether the second distance between first touch point coordinate and second touch point coordinate is not more than institute
State pre-determined distance.
If it is determined that determining that first touch point coordinate is identical with second touch point coordinate, then it can determine
First second area and second second area are overlapped, or, if it is determined that determining that first touch point is sat
The second distance between mark and second touch point coordinate is not more than the pre-determined distance, then can determine described first
Individual second area and second second area are overlapped.
The location determining method in the present invention is introduced below by way of several specific embodiments, the following examples are mainly situated between
Several possible application scenarios for the methods described that continued.It should be noted that the embodiment in the present invention is served only for explaining this hair
It is bright, and cannot be used for the limitation present invention.Every embodiment for meeting inventive concept is within protection scope of the present invention, originally
Art personnel know naturally how to carry out modification according to the thought of the present invention.
Embodiment one：
The electronic equipment is mobile phone, and the touch-display unit is the capacitive touch screen of mobile phone.
Include at least one emitter and at least one reception device, this hair in the present embodiment, in capacitive touch screen
In bright embodiment, the emission current of at least one emitter can be increased, because emission current strengthens, capacitive touch screen
Detectability obviously also strengthen therewith, even if operating body is not exposed to the touch screen, the touch screen also can be one
Determine to detect the positional information of operating body in scope.
In the present embodiment, when there is N number of operating body to enter the detection range of the touch-display unit, the electronic equipment
M touch point information for obtaining the correspondence M touch point can be detected by the touch-display unit first, wherein, institute
Corresponding first capacitance variations of corresponding touch point can at least be included by stating in each touch point information in M touch point information
Measure information.For example, can at least include first touch point in the first touch point information in the M touch point information
The corresponding first capacitance change information.
The electronic equipment can obtained by the M touch point information acquisition M the first capacitance change information
After the M the first capacitance change information, the electronic equipment can be according to the M the first capacitance change information acquisitions
The M touch-control dot position information.
In the present embodiment, the corresponding relation between capacitance change information and touch-control dot position information is established in advance, from
And, it is determined that after the capacitance change information of a touch point, you can determine the touch point according to the capacitance change information
Touch-control dot position information.In general, capacitance change is bigger, then the position where touch point and the touch-display unit it
Between distance it is nearer.
In the present embodiment, after the M touch-control dot position information is obtained, will can each it be touched in the M touch point
The position of control point is connected, so as to be the appearance that would know that N number of operating body according to the trace information of the M touch point
Gesture, meanwhile, it can know that N number of operating body exists according to the touch-control dot position information of each touch point in the M touch point
Particular location in space, so that, obtain first spatial positional information of N number of operating body.Wherein, described first is empty
Between positional information can include the locus of N number of operating body and/or the posture of N number of operating body.
In the present embodiment, touched detecting the M that obtain correspondence N number of operating body by the touch-display unit
After the M touch-control dot position information for controlling point, the electronic equipment can be determined by the M touch-control dot position information
Go out at least one first area, wherein, each first area at least one described first area can be to that should have at least one
All touch point information institutes that each first area in individual touch-control dot position information, at least one described first area includes
Corresponding touch-control intensity can be not less than preset touch intensity, wherein each firstth area at least one described first area
Domain can correspond to an operating body, and the corresponding all touch-control dot position informations in described at least one first area are the M
Touch-control dot position information.
In the present embodiment, the electronic equipment defines a first area altogether, then the electronic equipment can determine N
=1, i.e. only one of which operating body.Operating body is the finger of user for example described in the present embodiment.
So as to which first spatial positional information of the finger be determined in the present embodiment.For example, user is currently at hand
In machine play game, the finger be ends contact to the touch-display unit, root is lifted.Then mobile phone can be according to user's hand
First spatial positional information referred to carries out respective response, if for example, user currently plays car race game, mobile phone
Racing car can be controlled to accelerate.
Embodiment two：
The electronic equipment is mobile phone, and the touch-display unit is the capacitive touch screen of mobile phone.
Include in the present embodiment, in capacitive touch screen at least one capacitor cell, the embodiment of the present invention, can increase
The area of at least one capacitor cell, the area enhancing of capacitor cell, the increase of its capacitance, the detection energy of capacitive touch screen
Power also strengthens therewith, even if operating body is not exposed to the touch screen, the touch screen can also be detected within the specific limits
To the positional information of operating body.
In the present embodiment, when there is N number of operating body to enter the detection range of the touch-display unit, the electronic equipment
M touch point information for obtaining the correspondence M touch point can be detected by the touch-display unit first, wherein, institute
Corresponding first capacitance variations of corresponding touch point can at least be included by stating in each touch point information in M touch point information
Measure information.For example, can at least include first touch point in the first touch point information in the M touch point information
The corresponding first capacitance change information.
The electronic equipment can obtained by the M touch point information acquisition M the first capacitance change information
After the M the first capacitance change information, the electronic equipment can be according to the M the first capacitance change information acquisitions
The M touch-control dot position information.
In the present embodiment, the corresponding relation between capacitance change information and touch-control dot position information is established in advance, from
And, it is determined that after the capacitance change information of a touch point, you can determine the touch point according to the capacitance change information
Touch-control dot position information.In general, capacitance change is bigger, then the position where touch point and the touch-display unit it
Between distance it is nearer.
In the present embodiment, after the M touch-control dot position information is obtained, will can each it be touched in the M touch point
The position of control point is connected, so as to be the appearance that would know that N number of operating body according to the trace information of the M touch point
Gesture, meanwhile, it can know that N number of operating body exists according to the touch-control dot position information of each touch point in the M touch point
Particular location in space, so that, obtain first spatial positional information of N number of operating body.Wherein, described first is empty
Between positional information can include the locus of N number of operating body and/or the posture of N number of operating body.
In the present embodiment, touched detecting the M that obtain correspondence N number of operating body by the touch-display unit
After the M touch-control dot position information for controlling point, the electronic equipment can be determined by the M touch-control dot position information
Go out at least one first area, wherein, each first area at least one described first area can be to that should have at least one
All touch point information institutes that each first area in individual touch-control dot position information, at least one described first area includes
Corresponding touch-control intensity can be not less than preset touch intensity, wherein each firstth area at least one described first area
Domain can correspond to an operating body, and the corresponding all touch-control dot position informations in described at least one first area are the M
Touch-control dot position information.
For example, two first areas are defined in the present embodiment altogether, respectively first first area and second
One region.It then can temporarily determine that first first area corresponds to the first operating body, second second area pair
Should be in the second operating body.
After at least one described first area is determined, the electronic equipment can continue according to it is described at least one the
A corresponding second area is determined in each first area in one region, wherein, what the second area included
Touch-control intensity corresponding to all touch point information is respectively less than the preset touch intensity.Then in the present embodiment, the electronics is set
It is standby that first second area can be determined according to first first area, and can be according to second first area
Determine second second area.
In the present embodiment, it can be determined that whether first second area and second second area determined
There is intersection.If it is determined that determining that first second area and second second area have intersection
When, it may be determined that two operating bodies corresponding to first second area and second second area are same operation
Body.
In the present embodiment, first second area can be to that should have P touch-control dot position information, described second
Two regions can be to that should have a K touch-control dot position information, and P, K are not less than 1 and no more than M integer.Judge described first
The step of individual second area and second second area whether there is intersection can be：Judge the P touch point
Whether second touch point position letter in first touch-control dot position information and the K touch-control dot position information is had in positional information
Breath meets the first preparatory condition, if it is determined that determining the first touch-control dot position information and the second touch-control dot position information
First preparatory condition is met, determines that first second area and second second area are overlapped.
In the present embodiment, first preparatory condition can be：First corresponding to the first touch-control dot position information
Touch point position is identical with the second touch point position corresponding to the second touch-control dot position information.
In the present embodiment, the first touch point position can be the first touch point coordinate, the second touch point position
It can be the second touch point coordinate, judge the first touch point position corresponding to the first touch-control dot position information and described the
Whether the second touch point position corresponding to two touch-control dot position informations is identical, can be specifically to judge that first touch point is sat
Whether mark is identical with second touch point coordinate.
In the present embodiment, judge to determine that first touch point coordinate is identical with second touch point coordinate, then can be with
Determine that first second area and second second area are overlapped.Then first operating body can mutually be should determine that
It is same operating body with second operating body.
Embodiment three：
The electronic equipment is PAD, and the touch-display unit is PAD capacitive touch screen.
Include in the present embodiment, in capacitive touch screen at least one capacitor cell, the embodiment of the present invention, can increase
The area of at least one capacitor cell, the area enhancing of capacitor cell, the increase of its capacitance, the detection energy of capacitive touch screen
Power also strengthens therewith, even if operating body is not exposed to the touch screen, the touch screen can also be detected within the specific limits
To the positional information of operating body.
In the present embodiment, when there is N number of operating body to enter the detection range of the touch-display unit, the electronic equipment
M touch point information for obtaining the correspondence M touch point can be detected by the touch-display unit first, wherein, institute
Corresponding first capacitance variations of corresponding touch point can at least be included by stating in each touch point information in M touch point information
Measure information.For example, can at least include first touch point in the first touch point information in the M touch point information
The corresponding first capacitance change information.
The electronic equipment can obtained by the M touch point information acquisition M the first capacitance change information
After the M the first capacitance change information, the electronic equipment can be according to the M the first capacitance change information acquisitions
The M touch-control dot position information.
In the present embodiment, the corresponding relation between capacitance change information and touch-control dot position information is established in advance, from
And, it is determined that after the capacitance change information of a touch point, you can determine the touch point according to the capacitance change information
Touch-control dot position information.In general, capacitance change is bigger, then the position where touch point and the touch-display unit it
Between distance it is nearer.
In the present embodiment, after the M touch-control dot position information is obtained, will can each it be touched in the M touch point
The position of control point is connected, so as to be the appearance that would know that N number of operating body according to the trace information of the M touch point
Gesture, meanwhile, it can know that N number of operating body exists according to the touch-control dot position information of each touch point in the M touch point
Particular location in space, so that, obtain first spatial positional information of N number of operating body.Wherein, described first is empty
Between positional information can include the locus of N number of operating body and/or the posture of N number of operating body.
In the present embodiment, touched detecting the M that obtain correspondence N number of operating body by the touch-display unit
After the M touch-control dot position information for controlling point, the electronic equipment can be determined by the M touch-control dot position information
Go out at least one first area, wherein, each first area at least one described first area can be to that should have at least one
All touch point information institutes that each first area in individual touch-control dot position information, at least one described first area includes
Corresponding touch-control intensity can be not less than preset touch intensity, wherein each firstth area at least one described first area
Domain can correspond to an operating body, and the corresponding all touch-control dot position informations in described at least one first area are the M
Touch-control dot position information.
For example, two first areas are defined in the present embodiment altogether, respectively first first area and second
One region.It then can temporarily determine that first first area corresponds to the first operating body, second second area pair
Should be in the second operating body.
After at least one described first area is determined, the electronic equipment can continue according to it is described at least one the
A corresponding second area is determined in each first area in one region, wherein, what the second area included
Touch-control intensity corresponding to all touch point information is respectively less than the preset touch intensity.Then in the present embodiment, the electronics is set
It is standby that first second area can be determined according to first first area, and can be according to second first area
Determine second second area.
In the present embodiment, it can be determined that whether first second area and second second area determined
There is intersection.If it is determined that determining that first second area and second second area have intersection
When, it may be determined that two operating bodies corresponding to first second area and second second area are same operation
Body.
In the present embodiment, first second area can be to that should have P touch-control dot position information, described second
Two regions can be to that should have a K touch-control dot position information, and P, K are not less than 1 and no more than M integer.Judge described first
The step of individual second area and second second area whether there is intersection can be：Judge the P touch point
Whether second touch point position letter in first touch-control dot position information and the K touch-control dot position information is had in positional information
Breath meets the first preparatory condition, if it is determined that determining the first touch-control dot position information and the second touch-control dot position information
First preparatory condition is met, determines that first second area and second second area are overlapped.
In the present embodiment, first preparatory condition can be：It is described corresponding to the first touch-control dot position information
Second between the second touch point position corresponding to first touch point position and the second touch-control dot position information away from
From no more than pre-determined distance.
In the present embodiment, the first touch point position can be the first touch point coordinate, the second touch point position
It can be the second touch point coordinate, judge the first touch point position and institute corresponding to the first touch-control dot position information
Whether the second distance stated between the second touch point position corresponding to the second touch-control dot position information is no more than described pre-
Can be specifically to judge the second distance between first touch point coordinate and second touch point coordinate if distance
Whether the pre-determined distance is not more than.
In the present embodiment, judge to determine that the second distance between first touch point coordinate and second touch point is big
In the pre-determined distance, then it can determine that first second area and second second area are misaligned.Then may be used
Mutually should determine that first operating body and second operating body as different operating bodies.
Referring to Fig. 2, the embodiment of the present invention provides a kind of electronic equipment, and the electronic equipment can have touch-control to show single
Member, the electronic equipment can also include the determining module 202 of detection module 201 and first.
Preferably, the electronic equipment can also include operation module 203, the second determining module 204, the 3rd determining module
205th, the determining module 207 of judge module 206 and the 4th.
Detection module 201 can be used for detecting M touch-control for obtaining the N number of operating body of correspondence by the touch-display unit
In M touch-control dot position information of point, the M touch point between at least one touch point and the touch-display unit
Distance is the first distance more than first threshold；M is the integer not less than 2, and N is positive integer.
Detection module 201 can be also used for detecting the M for obtaining the correspondence M touch point by the touch-display unit
Each touch point information in individual touch point information, the M touch point information at least includes corresponding touch point corresponding
One capacitance change information.
Detection module 201 specifically can be used for according to the M touch point information acquisition M the first capacitance change letters
Breath, the M touch-control dot position information according to the M the first capacitance change information acquisitions.
First determining module 202 can be used for being based on the M touch-control dot position information, determine that N number of operating body is total to
With corresponding first spatial positional information.
Operation module 203 can be used for the transmitting for increasing at least one transmitter unit that the touch-display unit includes
Electric current, and/or increase the area at least one capacitor cell that the touch-display unit includes.
Second determining module 204 can be used for determining at least one first area by the M touch-control dot position information；
Each first area at least one described first area to that should have at least one touch-control dot position information, it is described at least one
The touch-control intensity corresponding to all touch point information that each first area in first area includes is touched not less than default
Control intensity, wherein each first area one operating body of correspondence at least one described first area, it is described at least one the
The corresponding all touch-control dot position informations in one region are the M touch-control dot position information.
3rd determining module 205 can be used for by each first area at least one described first area, it is determined that
Go out a corresponding second area, the touch-control intensity corresponding to all touch point information that the second area includes is equal
Less than the preset touch intensity.
When the quantity for the second area determined is not less than 2, judge module 206 can be used for judging to determine at least
Whether with the presence of two second area intersections in one second area.
Described two second areas are first second area and second second area, first second area pair
There should be P touch-control dot position information, second second area is to that there should be K touch-control dot position information, and P, K are to be not less than
1 and no more than M integer, judge module 206 specifically can be used for judging whether have first in the P touch-control dot position information
The second touch-control dot position information in touch-control dot position information and the K touch-control dot position information meets the first preparatory condition.
4th determining module 207 can be used for overlapping with the presence of two second areas when at least one described second area
During part, determine that there are two operating bodies corresponding to two second areas of intersection to be same operating body for this.
Described two second areas are first second area and second second area, first second area pair
There should be P touch-control dot position information, second second area is to that there should be K touch-control dot position information, and P, K are to be not less than
1 and no more than M integer, the 4th determining module 207 specifically can be used for when the first touch-control dot position information and described the
When two touch-control dot position informations meet first preparatory condition, determine that this has corresponding to two second areas of intersection
Two operating bodies be same operating body.
In the embodiment of the present invention, first preparatory condition is：First corresponding to the first touch-control dot position information
Touch point position is identical with the second touch point position corresponding to the second touch-control dot position information, or first touch point
The first touch point position corresponding to positional information and the second touch point position corresponding to the second touch-control dot position information
Between second distance be not more than pre-determined distance.
Information processing method in the embodiment of the present invention can apply to electronic equipment, and the electronic equipment can include touching
Display unit is controlled, methods described can include：M that obtain the N number of operating body of correspondence are detected by the touch-display unit to touch
Control in M touch-control dot position information of point, the M touch point between at least one touch point and the touch-display unit
Distance be more than first threshold the first distance；M is the integer not less than 2, and N is positive integer；Based on M touch point position
Confidence ceases, and determines the first spatial positional information of N number of operating body.
In the embodiment of the present invention, the M corresponding to N number of operating body can be obtained by the touch-display unit
The M touch-control dot position information of individual touch point, wherein, at least one touch point is touched with described in the M touch point
It is first distance to control the distance between display unit, then it was determined that at least one touch point in the M touch point
It is not in the touch-display unit, if for example, N=1, if the operating body is the hand of user, the operation
Body may current operation be space gesture operation, the electronic equipment can according to the M touch-control dot position information come
Determine first spatial positional information of the operating body, you can mutually should determine that the position of the operating body in space, i.e. institute
The space gesture that electronic equipment is capable of determining that user is stated, is responded so as to the space gesture according to user.And, no matter
N be equal to it is how many, i.e., no matter how many operating body, the electronic equipment can think that N number of operating body is completion jointly
One spatial operation, can determine first spatial positional information according to the operation of N number of operating body, it is to avoid
The error in judgement that the electronic equipment is likely to occur.If for example, the electronic equipment is mobile phone, the mobile phone can determine to use
The space gesture at family, so that user can carry out corresponding operating by space gesture, if for example, user plays playing,
Rising, decline process, adjustment direction of advance, flip angle etc. can be adjusted by space gesture, it is very convenient to operate, electricity
The sensitivity of sub- equipment is greatly improved, and enriches the function of touch screen, operating efficiency is also effectively increased for a user, carry
High Consumer's Experience.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The shape for the computer program product that usable storage medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of information processing method, applied to electronic equipment, the electronic equipment has touch-display unit, and its feature exists
In the described method comprises the following steps：
M touch-control dot position information of M touch point for obtaining the N number of operating body of correspondence is detected by the touch-display unit,
The distance between at least one touch point and described touch-display unit are more than the of first threshold in the M touch point
One distance；M is the integer not less than 2, and N is positive integer；
At least one first area is determined by the M touch-control dot position information；It is every at least one described first area
Individual first area is to that should have in each first area at least one touch-control dot position information, at least one described first area
Including all touch point information corresponding to touch-control intensity be not less than preset touch intensity, wherein it is described at least one first
Each first area one operating body of correspondence in region, the corresponding all touch point positions letters in described at least one first area
Cease for the M touch-control dot position information；
By each first area at least one described first area, a corresponding second area, institute are determined
State the touch-control intensity corresponding to all touch point information that second area includes and be respectively less than the preset touch intensity；
Whether judge at least one second area determined with the presence of two second area intersections；
When at least one described second area with the presence of two second area intersections, determine that this has intersection
Two operating bodies corresponding to two second areas are same operating body；
Based on the M touch-control dot position information, common corresponding first spatial positional information of N number of operating body is determined.
2. the method as described in claim 1, it is characterised in that N number of obtaining correspondence by touch-display unit detection
Also include step before M touch-control dot position information of M touch point of operating body：Increasing the touch-display unit includes
At least one transmitter unit emission current, and/or at least one electric capacity list that the increase touch-display unit includes
The area of member.
3. the method as described in claim 1, it is characterised in that N number of obtaining correspondence by touch-display unit detection
Also include step before M touch-control dot position information of M touch point of operating body：Obtained by touch-display unit detection
The each touch point information that must be corresponded in M touch point information of the M touch point, the M touch point information is at least wrapped
The corresponding first capacitance change information of corresponding touch point is included.
4. method as claimed in claim 3, it is characterised in that the N number of behaviour of correspondence is obtained by touch-display unit detection
The step of M touch-control dot position information of M touch point for making body, includes：According to the M touch point information acquisition M first
Capacitance change information, the M touch-control dot position information according to the M the first capacitance change information acquisitions.
5. the method as described in claim 1, it is characterised in that described two second areas are first second area and second
Individual second area, first second area is to that should have P touch-control dot position information, and second second area is to that should have
K touch-control dot position information, P, K are not less than 1 and no more than M integer, judge at least one second area determined
In whether with the presence of two second area intersections the step of include：Judge whether have in the P touch-control dot position information
The second touch-control dot position information in first touch-control dot position information and the K touch-control dot position information meets the first default bar
Part；
When at least one described second area with the presence of two second area intersections, determine that this has intersection
The step of two operating bodies corresponding to two second areas are same operating body includes：When the first touch-control dot position information
When meeting first preparatory condition with the second touch-control dot position information, determine that this has two the secondth areas of intersection
Two operating bodies corresponding to domain are same operating body.
6. method as claimed in claim 5, it is characterised in that first preparatory condition is：The first touch point position
The first touch point position corresponding to information is identical with the second touch point position corresponding to the second touch-control dot position information,
Or corresponding to the first touch point position corresponding to the first touch-control dot position information and the second touch-control dot position information
The second touch point position between second distance be not more than pre-determined distance.
7. a kind of electronic equipment, the electronic equipment has touch-display unit, it is characterised in that the electronic equipment includes：
Detection module, for detecting that M of M touch point for obtaining the N number of operating body of correspondence are touched by the touch-display unit
It is big to control the distance between at least one touch point and the touch-display unit in dot position information, the M touch point
In the first distance of first threshold；M is the integer not less than 2, and N is positive integer；
Second determining module, for determining at least one first area by the M touch-control dot position information；Described at least one
Each first area in individual first area is to that should have at least one touch-control dot position information, at least one described first area
All touch point information for including of each first area corresponding to touch-control intensity be not less than preset touch intensity, wherein
Each first area one operating body of correspondence at least one described first area, at least one described first area is corresponding
All touch-control dot position informations are the M touch-control dot position information；
3rd determining module, for by each first area at least one described first area, determining corresponding
A second area, the touch-control intensity corresponding to all touch point information that the second area includes is respectively less than described pre-
If touch-control intensity；
Whether with the presence of two second area coincidence parts in judge module, at least one second area determined for judgement
Point；
4th determining module, for when at least one described second area with the presence of two second area intersections, really
There are fixed this two operating bodies corresponding to two second areas of intersection to be same operating body；
First determining module, for based on the M touch-control dot position information, determining N number of operating body common corresponding the
One spatial positional information.
8. electronic equipment as claimed in claim 7, it is characterised in that the electronic equipment also includes operation module, for increasing
The emission current at least one transmitter unit that the big touch-display unit includes, and/or increase the touch-control display list
The area at least one capacitor cell that member includes.
9. electronic equipment as claimed in claim 7, it is characterised in that the detection module is additionally operable to：It is aobvious by the touch-control
Show that unit detection obtains each touch-control in M touch point information of the correspondence M touch point, the M touch point information
Point information at least includes the corresponding first capacitance change information of corresponding touch point.
10. electronic equipment as claimed in claim 9, it is characterised in that the detection module specifically for：According to the M
M the first capacitance change information of touch point information acquisition, M according to the M the first capacitance change information acquisitions
Touch-control dot position information.
11. electronic equipment as claimed in claim 7, it is characterised in that described two second areas are first second area
With second second area, first second area is to that should have P touch-control dot position information, second second area
To that should have a K touch-control dot position information, P, K are not less than 1 and no more than M integer, the judge module specifically for：Sentence
Whether have in the first touch-control dot position information and the K touch-control dot position information in the disconnected P touch-control dot position information
Second touch-control dot position information meets the first preparatory condition；
4th determining module specifically for：When the first touch-control dot position information and the second touch-control dot position information
When meeting first preparatory condition, determine that there are two operating bodies corresponding to two second areas of intersection to be same for this
One operating body.
12. electronic equipment as claimed in claim 11, it is characterised in that first preparatory condition is：First touch-control
The first touch point position corresponding to dot position information and the second touch point position corresponding to the second touch-control dot position information
Put identical, or the first touch point position corresponding to the first touch-control dot position information and the second touch-control dot position information
Second distance between the second corresponding touch point position is not more than pre-determined distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310067461.6A CN104035632B (en) | 2013-03-04 | 2013-03-04 | A kind of information processing method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067461.6A CN104035632B (en) | 2013-03-04 | 2013-03-04 | A kind of information processing method and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN104035632A CN104035632A (en) | 2014-09-10 |
| CN104035632B true CN104035632B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310067461.6A Active CN104035632B (en) | 2013-03-04 | 2013-03-04 | A kind of information processing method and electronic equipment |
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| CN108984045A (en) * | 2017-06-01 | 2018-12-11 | 深圳市鸿合创新信息技术有限责任公司 | Invalid touch-control determination method, device, electronic equipment and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763198A (en) * | 2009-12-25 | 2010-06-30 | 中国船舶重工集团公司第七○九研究所 | Back projection type multi-point touch screen device based on SoC and multi-point touch positioning method |
| CN102768597A (en) * | 2012-03-19 | 2012-11-07 | 联想(北京)有限公司 | Method and device for operating electronic equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000181601A (en) * | 1998-12-18 | 2000-06-30 | Fujitsu General Ltd | Information display system |
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2013
- 2013-03-04 CN CN201310067461.6A patent/CN104035632B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763198A (en) * | 2009-12-25 | 2010-06-30 | 中国船舶重工集团公司第七○九研究所 | Back projection type multi-point touch screen device based on SoC and multi-point touch positioning method |
| CN102768597A (en) * | 2012-03-19 | 2012-11-07 | 联想(北京)有限公司 | Method and device for operating electronic equipment |
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