CN104182128B - Information processing method, device and electronic equipment - Google Patents
Information processing method, device and electronic equipment Download PDFInfo
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- CN104182128B CN104182128B CN201410455276.9A CN201410455276A CN104182128B CN 104182128 B CN104182128 B CN 104182128B CN 201410455276 A CN201410455276 A CN 201410455276A CN 104182128 B CN104182128 B CN 104182128B
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Abstract
The embodiment of the present application discloses a kind of information processing method, applied to electronic equipment, and the electronic equipment, which at least has in first panel, the first panel, is provided with display module and projection module；The display module and the projection module are located at the same side of the first panel；The information processing method that the embodiment of the present application is provided, when inputting information to electronic equipment by object, by projection module by the information by inputting or the information related to the information of input is projected near object, so that sight need not be transferred on electronic equipment by user, with regard to these related information can be seen, so as to improve the convenience of user writing.The embodiment of the present application also provides a kind of information processor and electronic equipment.
Description
Technical field
The application is related to electronic information technical field, more specifically to a kind of information processing method, device and electronics
Equipment.
Background technology
With the rapid development of science and technology, increasing hand-written input system application ultrasonic technology.At present, pass through
Hand-written input system based on ultrasonic technology, user can pass through the enterprising running hand of plane of the ultrasonic pen outside electronic equipment
Write, it is possible to which the information write is input in electronic equipment.
But, when user is being write by ultrasonic pen, because the related information of writing is (such as spelling prompting, text
Word error correction etc.) in electronic equipment side, user needs sight being transferred on electronic equipment, can just see these related information.
Therefore, the convenience of user writing is poor.
Apply for content
The purpose of the application is to provide a kind of information processing method, device and electronic equipment, to improve user writing just
Victory.
To achieve the above object, this application provides following technical scheme：
A kind of information processing method, applied to electronic equipment, the electronic equipment at least has first panel, described first
Display module and projection module are provided with panel；The display module and the projection module are located at the same of the first panel
Side；Methods described includes：
Whether detection is placed object in the plane of the electronic equipment, the object is used for the electronic equipment
Input information；
When detecting object, the distance between straight line where determining the projection module and the object, wherein,
Straight line where the object is the straight line parallel with the lower edge of the first panel；
According to the distance between straight line where the projection module and the object, the LCD panel of the projection module
Size, and the size of projected picture determine target focal length；
Determine the projection module between the vertical line section and the first panel between straight line where the object
First angle；
It is first angle by the angle adjustment between the camera lens of the projection module and the first panel, is thrown described
The Focussing of shadow module is the target focal length；
The presupposed information shown by display module is projected by the projection module.
The above method, it is preferred that the distance between straight line bag where the determination projection module and the object
Include：
Determine the distance between the object and described electronic equipment；
Determine the second angle of the first panel and horizontal plane；
Top edge according to the first panel the distance between to lower edge, the object and the electronic equipment it
Between distance, and second angle determine the projection module and the object where the distance between straight line.
The above method, it is preferred that the object is ultrasonic pen；It is described to determine the object and the electronic equipment
The distance between include：
The super of the object transmitting is perceived by two sound pick-ups in the first panel at a distance of the first pre-determined distance
Sound wave；
Duration needed for the ultrasonic wave that the object is launched is perceived by described two sound pick-ups determines the target
Thing is respectively the distance between with described two sound pick-ups；
The distance between according to the distance between the object and described two sound pick-ups, and described two sound pick-ups
Determine the distance between the object and described electronic equipment.
The above method, it is preferred that the distance between the determination object and described electronic equipment include：
Pass through object described in two image acquisition devices in the first panel at a distance of the second pre-determined distance
Image；
Pass through the depth image that two collected width target object images obtain the object；
The distance between described object and the electronic equipment are determined by acquired depth image.
The above method, it is preferred that the vertical line section between straight line where the determination projection module to the object
The first angle between the first panel includes：
According to the distance between straight line where the projection module and the object, the top edge of the first panel is arrived
The distance between lower edge, and the object determine the projection module described in the distance between the electronic equipment
The first angle between vertical line section and the first panel between straight line where object.
The above method, it is preferred that the presupposed information is：Inputted by the object to the first information of electronic equipment,
And/or, second information associated with the first information.
A kind of information processor, applied to electronic equipment, the electronic equipment at least has first panel, described first
Display module and projection module are provided with panel；The display module and the projection module are located at the same of the first panel
Side；Described device includes：
Whether there is object in detection module, the plane that the electronic equipment is placed for detecting, the object is used for
Information is inputted to the electronic equipment；
First determining module, for when the detection module detects object, determine the projection module with it is described
The distance between straight line where object, wherein, straight line where the object is equal with the lower edge of the first panel
Capable straight line；
Second determining module, it is described for according to the distance between straight line where the projection module and the object
The size of the LCD panel of projection module, and the size of projected picture determine target focal length；
3rd determining module, for determining the projection module to the vertical line section between straight line where the object and institute
State the first angle between first panel；
Adjusting module, for being described first by the angle adjustment between the camera lens of the projection module and the first panel
Angle, is the target focal length by the Focussing of the projection module；
Control module is projected, for the presupposed information shown by display module to be thrown by the projection module
Shadow.
Said apparatus, it is preferred that first determining module includes：
First determining unit, for determining the distance between the object and described electronic equipment；
Second determining unit, the second angle for determining the first panel and horizontal plane；
3rd determining unit, for the distance between top edge according to the first panel to lower edge, the target
The distance between thing and the electronic equipment, and second angle determine that the projection module and object place are straight
The distance between line.
Said apparatus, it is preferred that the object is ultrasonic pen, first determining unit includes：
It is arranged on two sound pick-ups at a distance of the first pre-determined distance in the first panel；
Needed for first determination subelement, the ultrasonic wave for perceiving the object transmitting by described two sound pick-ups
Duration determine the object respectively the distance between with described two sound pick-ups；
Second determination subelement, for according to the distance between the object and described two sound pick-ups, and it is described
The distance between two sound pick-ups determine the distance between the object and described electronic equipment.
Said apparatus, it is preferred that first determining unit includes：
It is arranged on two image collecting devices at a distance of the second pre-determined distance in the first panel；
3rd determination subelement, the two width target object images for being gathered by described two image collecting devices simultaneously are obtained
Take the depth image of the object；
4th determination subelement, for being determined by acquired depth map between the object and the electronic equipment
Distance.
Said apparatus, it is preferred that the 3rd determining module is specifically for according to the projection module and the object
The distance between place straight line, the distance between the top edge of the first panel to lower edge, and the object are to institute
Stating the distance between electronic equipment determines the projection module to the vertical line section between straight line where the object and described the
The first angle between one panel.
Said apparatus, it is preferred that the projection control module specifically for, by by display module show by the mesh
Mark thing is inputted to the first information of electronic equipment, and/or, second information associated with the first information passes through the projection
Module is projected.
A kind of electronic equipment, the electronic equipment, which at least has in first panel, the first panel, is provided with display mould
Block and projection module；The display module and the projection module are located at the same side of the first panel；The electronic equipment
Also include information processor as above described in any one.
By above scheme, a kind of information processing method, the device of the application offer are applied to electronic equipment, described
Electronic equipment, which at least has in first panel, the first panel, is provided with display module and projection module；The display module
It is located at the same side of the first panel with the projection module；Described information processing method includes：The electronics is placed in detection
Whether there is object in the plane of equipment；When detecting object, determine that the projection module and object place are straight
The distance between line, wherein, straight line where the object is the straight line parallel with the lower edge of the first panel；Foundation
The distance between straight line where the projection module and the object, the size of the LCD panel of the projection module, and throw
The size of shadow picture determines target focal length；Determine the projection module to the vertical line section between straight line where the object and institute
State the first angle between first panel；It is described by the angle adjustment between the camera lens of the projection module and the first panel
First angle, is the target focal length by the Focussing of the projection module；The presupposed information that will be shown by display module
Projected by the projection module, so that the projection module information projection that can show display module is to placing institute
State in the plane of electronic equipment, and projected picture is near object.
Therefore, the information processing method and device provided by the embodiment of the present application, the object can be ultrasonic wave
Pen, when user is write by ultrasonic pen in writing plane, the information processing method that can be provided by the embodiment of the present application
The information shown in electronic equipment side is projected into writing plane so that sight need not be transferred on electronic equipment by user,
With regard to these related information can be seen, so as to improve the convenience of user writing.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of application, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Several structural representations for the electronic equipment that Fig. 1 provides for the embodiment of the present application；
A kind of implementation process figure for the information processing method that Fig. 2 provides for the embodiment of the present application；
One kind of determination projection module and the distance between straight line where object that Fig. 3 provides for the embodiment of the present application is real
Existing flow chart；
One kind of calculating projection module and the distance between straight line where object that Fig. 4 provides for the embodiment of the present application is shown
It is intended to；
Fig. 5 provides a kind of implementation process of set the goal really thing and the distance between electronic equipment for the embodiment of the present application
Figure；
Another structural representation for the electronic equipment that Fig. 6 provides for the embodiment of the present application；
Fig. 7 provides another implementation process of set the goal really thing and the distance between electronic equipment for the embodiment of the present application
Figure；
Another structural representation for the electronic equipment that Fig. 8 provides for the embodiment of the present application；
Fig. 9 illustrates for the object that calculates that the embodiment of the present application is provided with a kind of of the distance between the electronic equipment
Figure；
A kind of structural representation for the information processor that Figure 10 provides for the embodiment of the present application；
A kind of structural representation for the first determining module that Figure 11 provides for the embodiment of the present application；
A kind of structural representation for the first determining unit that Figure 12 provides for the embodiment of the present application；
Another structural representation for the first determining unit that Figure 13 provides for the embodiment of the present application.
Term " first ", " second ", " the 3rd " " the 4th " in specification and claims and above-mentioned accompanying drawing etc. (if
In the presence of) it is for distinguishing similar part, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so that embodiments herein described herein can be with except illustrating herein
Order in addition is implemented.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of the application protection.
The information processing method and device that the embodiment of the present application is provided are applied in electronic equipment, the embodiment of the present application, institute
Stating electronic equipment at least has first panel, is provided with display module and projection module in the first panel；Wherein, mould is shown
Block and projection module are located at the same side of first panel, during in order to the display module user oriented, the projection module
Projection is located between electronic equipment and user.Specifically, the position relationship of display module and projection module may refer to Fig. 1, Fig. 1
Several structural representations of the electronic equipment provided for the embodiment of the present application.When the first panel 11 is tiltedly stood in a plane
When, the projection module 13 can be located at the top of display module 12, can also be located at the side of the display module 12, or
Person, can also be located at the lower section of the display module.
Certainly, the structure of the electronic equipment in the embodiment of the present application is not limited to several structures shown in Fig. 1, can also have
Other structures, as long as the electronic equipment, which at least has in first panel, the first panel, is provided with display module and projection
Module；The camera lens of display module and projection module is located at the same side of first panel, specifically no longer repeats one by one here.
The electronic equipment can be notebook computer or tablet personal computer, or other electronic equipments, such as mobile logical
Believe terminal etc..
Referring to Fig. 2, a kind of implementation process figure for the information processing method that Fig. 2 provides for the embodiment of the present application, can be wrapped
Include：
Step S21：Whether detection is placed object in the plane of the electronic equipment, the object is used for described
Electronic equipment inputs information；
The object can be keyboard, can be physical keyboard (such as glass keyboard), or dummy keyboard is (such as red
Outer projection's keyboard) etc..The object can also be ultrasonic generator, such as ultrasonic pen.
Object can be determined whether by image detection；If object is ultrasonic transmission device, it can also lead to
Cross sound pick-up and detect whether that perceiving ultrasonic wave determines whether object.
Step S22：When detecting object, between straight line where determining the projection module and the object away from
From, wherein, straight line where the object is the straight line parallel with the lower edge of the first panel；
The distance between straight line where projection module and the object is that projection module is straight to object place
The length of the vertical line section of line.
Step S23：According to the distance between straight line where the projection module and the object, the projection module
The size of liquid crystal display, and the size of projected picture determine target focal length；
The size of liquid crystal display can be the area of liquid crystal display；The size of projected picture can be the area of projected picture.
The determination process of target focal length can be：
Determine the ratio of the size of the LCD panel of projection module and the size of projected picture；
The product of the distance between straight line where the projection module and the object and the ratio is that target is burnt
Away from.
Target focal length formula can be expressed as：
Wherein, f is target focal length；c1For the size of the liquid crystal display of the projection module；c2For the chi of the projected picture
It is very little；D is the distance between straight line where the projection module and the object.
Step S24：Determine the projection module to when the vertical line section and described first between straight line where the object
The first angle between panel；
Step S25：It is first angle by the angle adjustment between the camera lens of the projection module and the first panel,
It is the target focal length by the Focussing of the projection module；
Step S26：The presupposed information shown by the display module is projected by the projection module.
It is being first angle by the angle adjustment between the camera lens of the projection module and the first panel, will be described
The Focussing of projection module is after the target focal length, when being projected by the projection module, projected picture will throw
It is mapped near the object, vertical line section and the mesh between straight line where specially described projection module to target position
The point of intersection of straight line where marking thing.
A kind of information processing method that the application is provided, applied to electronic equipment, the electronic equipment at least has first
Display module and projection module are provided with panel, the first panel；The display module and the projection module are located at institute
State the same side of first panel；Whether the detection of described information processing method is placed in the plane of the electronic equipment has object；
When detecting object, the distance between straight line where determining the projection module and the object, wherein, the target
Straight line where thing is the straight line parallel with the lower edge of the first panel；According to the projection module and the object institute
The size of distance between straight line, the size of the LCD panel of the projection module, and projected picture determines target focal length；Really
The projection module is determined to the first angle between the vertical line section and the first panel between straight line where the object；Will
Angle adjustment between the camera lens of the projection module and the first panel is first angle, by Jiao of the projection module
Away from being adjusted to the target focal length；The presupposed information shown by display module is projected by the projection module, from
And allow the information projection that projection module shows display module in the plane for placing the electronic equipment, and shadowgraph
Face is near object.
Therefore, the information processing method provided by the embodiment of the present application, the object can be ultrasonic pen, when with
Family is by ultrasonic pen when writing plane is write, and the information processing method that can be provided by the embodiment of the present application will be in electronics
The information that equipment side is shown projects to writing plane so that sight need not be transferred on electronic equipment by user, with regard to that can see
These related information, so as to improve the convenience of user writing.
When the object is glass keyboard or infrared projection keyboard, because user is poor to the sense of touch of button, user
The frequent switching between keyboard and electronic equipment is needed sight, convenience is poor.And the letter provided by the embodiment of the present application
Cease processing method, user then need not by sight between keyboard and electronic equipment frequent switching, improve and pass through glass keyboard
Or the poor keyboard of sense of touch such as infrared projection keyboard inputs the convenience of information to electronic equipment.
In above-described embodiment, it is preferred that described to determine projection module and the distance between straight line where the object
A kind of implementation process figure is as shown in figure 3, can include：
Step S31：Determine the distance between the object and described electronic equipment；
The distance between object and electronic equipment can be length of the object to the vertical line section of the lower edge of first panel
Degree.
In the embodiment of the present application, when object Area comparison is big when (such as keyboard), object and the electronic equipment it
Between distance can refer on object apart from distance determined by the nearest point of electronic equipment.
Step S32：Determine the second angle between the first panel and horizontal plane；
The second angle between first panel and horizontal plane can be obtained based on gravity sensor；Acceleration can also be based on
Sensor is obtained, it is of course also possible to be obtained based on obliquity sensor.
Wherein, step S31 and step S32 specific execution sequence is not specifically limited, and can first carry out step S31, then
Perform step S32；Step S32 can also be first carried out, then performs step S31；Or, step S32 and step S31 is performed simultaneously.
Step S33：Top edge according to the first panel is the distance between to lower edge, the object and the electricity
The distance between sub- equipment, and second angle determine the projection module and the object where between straight line away from
From.
As shown in figure 4, between straight line where calculating projection module and the object that Fig. 4 provides for the embodiment of the present application
Distance a kind of schematic diagram.
In the embodiment of the present application, the distance between straight line can be represented with formula where projection module and the object
For：
Wherein, D is the distance between straight line where the projection module and the object；H is the first panel
Top edge is the distance between to lower edge；α is the second angle between first panel and horizontal plane；Y is the object and institute
State the distance between electronic equipment.
In above-described embodiment, it is preferred that a kind of realization for determining object and the distance between the electronic equipment
Flow chart is as shown in figure 5, can include：
Step S51：By described in two image acquisition devices in the first panel at a distance of the second pre-determined distance
The image of object；
On the basis of the electronic equipment schematic diagram shown in Fig. 1, described two image collecting devices are in first panel
Position is as shown in fig. 6, another structural representation for the electronic equipment that Fig. 6 provides for the embodiment of the present application.
When first panel is tiltedly stood in a plane, the first image collecting device 61 in described two image collecting devices
With the second harvester 62 in the lower section of the display module.
Step S52：Pass through the depth image that two gathered width target object images obtain the object；
Step S53：The distance between described object and the electronic equipment are determined by acquired depth image.
Specifically, can be determined by acquired depth image the object respectively with described two image collectors
The distance between put；
By the object respectively the distance between with described two image collecting devices, and described two images are adopted
The distance between acquisition means are assured that the distance between object and described electronic equipment, can specifically be represented with formula
For：
X=(a2-b2+c2)/2a
Wherein, a is the distance between two image collecting devices；B is the in object and two image collecting devices
The distance between one image collecting device；C is between the second image collecting device in object and two image collecting devices
Distance；X is the vertical line section and described two image collecting devices between straight line where object to two image collecting devices
Intersection point between place is the distance between to second image collecting device；Y be the object and the electronic equipment it
Between distance.
Above-described embodiment, it is preferred that when the object is ultrasonic pen, the determination object is set with the electronics
The distance between standby another implementation process figure is as shown in fig. 7, can include：
Step S71：The object is perceived by two sound pick-ups in the first panel at a distance of the first pre-determined distance
The ultrasonic wave of transmitting；
On the basis of the electronic equipment schematic diagram shown in Fig. 1, position of described two sound pick-ups in first panel is such as
Shown in Fig. 8, another structural representation for the electronic equipment that Fig. 8 provides for the embodiment of the present application.
When first panel is tiltedly stood in a plane, the first sound pick-up 81 and sound pick-up 82 in described two sound pick-ups
In the lower section of the display module.
Step S72：Duration needed for the ultrasonic wave that the object is launched is perceived by described two sound pick-ups is determined
The object is respectively the distance between with described two sound pick-ups；
Infrared emitter can be set on the ultrasonic pen, it is infrared to launching by the infrared emitter of ultrasonic pen side
Light, the time when infrared receiving device of electronic equipment side is received into infrared light is defined as rising for ultrasonic pen transmitting ultrasonic wave
The first sound pick-up in time beginning, two sound pick-ups perceives the time of ultrasonic wave and the infrared receiving device receive it is infrared
The difference of the time of light time is that the first sound pick-up perceives duration needed for the overtime ripple of object transmitting；Two sound pick-ups
In the second sound pick-up perceive the time of ultrasonic wave and the difference of time when the infrared receiving device receives infrared light is
Second sound pick-up perceives the duration needed for the ultrasonic wave of object transmitting.
Step S73：According to the distance between the object and described two sound pick-ups, and described two sound pick-ups it
Between distance determine the distance between the object and described electronic equipment.
As shown in figure 9, Fig. 9 calculates object and the distance between the electronic equipment for what the embodiment of the present application was provided
A kind of schematic diagram；
Wherein, R (L) represents the first sound pick-up；R (R) represents the second sound pick-up；TX represents object；X represents that object is arrived
The intersection point of the vertical line section of straight line where two sound pick-ups and described two sound pick-ups place straight line to first sound pick-up away from
From；The length of the vertical line section of straight line where y represents object to two sound pick-ups, i.e., between object and the electronic equipment
Distance.
The distance between object and described electronic equipment can be specifically expressed as with formula：
X=(a2-b2+c2)/2a
C=T1*340
B=T2*340
Wherein, y represents the distance between object and described electronic equipment；A is the distance between two sound pick-ups；B is
The distance between object and the second sound pick-up；C is the distance between object and the first sound pick-up；T1Represent the first sound pick-up
Perceive the duration needed for the ultrasonic wave of object transmitting；T2Represent that the second sound pick-up perceives the ultrasonic wave institute of object transmitting
The duration needed.
In above-described embodiment, it is preferred that described to determine the projection module to hanging down between straight line where the object
The first angle between line segment and the first panel can include：
According to the distance between straight line where the projection module and the object, the top edge of the first panel is arrived
The distance between lower edge, and the object determine the projection module described in the distance between the electronic equipment
The first angle between vertical line section and the first panel between straight line where object.
Referring to Fig. 4, the determination method formula of first angle can be expressed as：
Wherein, β represents projection module between the vertical line section and the first panel between straight line where the object
The first angle；H for the first panel top edge the distance between to lower edge；D is the projection module and the mesh
The distance between straight line where marking thing；Y is the distance between the object and described electronic equipment.
After β cosine value is obtained, it is possible to know β specific value.
In above-described embodiment, it is preferred that the presupposed information can be：Inputted by the object to the of electronic equipment
One information, and/or, second information associated with the first information.
Wherein, second information associated with the first information can include but is not limited to following information：Spelling prompting
Information or word error correction information or selection interface etc..It is of course also possible to which whole display interface is all projected.
Corresponding with embodiment of the method, the embodiment of the present application also provides a kind of information processor, and the embodiment of the present application is carried
A kind of structural representation of the information processor of confession as shown in Figure 10, can include：
Detection module 101, the first determining module 102, the second determining module 103, the 3rd determining module 104, adjusting module
105 and projection control module 106；Wherein,
Detection module 101 is used to detect whether there is object in the plane for placing the electronic equipment, and the object is used
In to the electronic equipment input information；
The object can be keyboard, can be physical keyboard (such as glass keyboard), or dummy keyboard is (such as red
Outer projection's keyboard) etc..The object can also be ultrasonic generator, such as ultrasonic pen.
Detection module 101 can determine whether object by image detection；If object, which is ultrasonic wave, launches dress
Put, can also detect whether that perceiving ultrasonic wave determines whether object by sound pick-up.
First determining module 102 be used for when detection module 101 detects object, determine the projection module with it is described
The distance between straight line where object, wherein, straight line where the object is equal with the lower edge of the first panel
Capable straight line；
The distance between straight line where projection module and the object is that projection module is straight to object place
The length of the vertical line section of line.
Second determining module 103 is used for according to the distance between straight line, institute where the projection module and the object
The size of the LCD panel of projection module is stated, and the size of projected picture determines target focal length；
The size of liquid crystal display can be the area of liquid crystal display；The size of projected picture can be the area of projected picture.
The determination process of target focal length can be：
Determine the ratio of the size of the LCD panel of projection module and the size of projected picture；
The product of the distance between straight line where the projection module and the object and the ratio is that target is burnt
Away from.
Target focal length formula can be expressed as：
Wherein, f is target focal length；c1For the size of the liquid crystal display of the projection module；c2For the chi of the projected picture
It is very little；D is the distance between straight line where the projection module and the object.
3rd determining module 104 be used to determining the projection module to the vertical line section between straight line where the object and
The first angle between the first panel；
It is described that adjusting module 105, which is used for the angle adjustment between the camera lens of the projection module and the first panel,
One angle, is the target focal length by the Focussing of the projection module；
Projection control module 106 is used to be thrown the presupposed information shown by display module by the projection module
Shadow.
It is being first angle by the angle adjustment between the camera lens of the projection module and the first panel, will be described
The Focussing of projection module is after the target focal length, when being projected by the projection module, projected picture will throw
It is mapped near the object, vertical line section and the mesh between straight line where specially described projection module to target position
The point of intersection of straight line where marking thing.
A kind of information processor that the application is provided, applied to electronic equipment, the electronic equipment at least has first
Display module and projection module are provided with panel, the first panel；The display module and the projection module are located at institute
State the same side of first panel；Whether the detection of described information processing unit is placed in the plane of the electronic equipment has object；
When detecting object, the distance between straight line where determining the projection module and the object, wherein, the target
Straight line where thing is the straight line parallel with the lower edge of the first panel；According to the projection module and the object institute
The size of distance between straight line, the size of the LCD panel of the projection module, and projected picture determines target focal length；Really
The projection module is determined to the first angle between the vertical line section and the first panel between straight line where the object；Will
Angle adjustment between the camera lens of the projection module and the first panel is first angle, by Jiao of the projection module
Away from being adjusted to the target focal length；The presupposed information shown by display module is projected by the projection module, from
And allow the information projection that projection module shows display module in the plane for placing the electronic equipment, and shadowgraph
Face is near object.
Therefore, the information processor provided by the embodiment of the present application, the object can be ultrasonic pen, when with
Family is by ultrasonic pen when writing plane is write, and the information processor that can be provided by the embodiment of the present application will be in electronics
The information that equipment side is shown projects to writing plane so that sight need not be transferred on electronic equipment by user, with regard to that can see
These related information, so as to improve the convenience of user writing.
When the object is glass keyboard or infrared projection keyboard, because user is poor to the sense of touch of button, user
The frequent switching between keyboard and electronic equipment is needed sight, convenience is poor.And the letter provided by the embodiment of the present application
Cease processing unit, user then need not by sight between keyboard and electronic equipment frequent switching, improve and pass through glass keyboard
Or the poor keyboard of sense of touch such as infrared projection keyboard inputs the convenience of information to electronic equipment.
In above-described embodiment, it is preferred that a kind of structural representation of the first determining module 102 as shown in figure 11, can be wrapped
Include：
First determining unit 111, the second determining unit 112 and the 3rd determining unit 113；Wherein,
First determining unit 111 is used to determine the distance between the object and described electronic equipment；
The distance between object and electronic equipment are length of the object to the vertical line section of the lower edge of first panel.
In the embodiment of the present application, when object Area comparison is big when (such as keyboard), object and the electronic equipment it
Between distance can refer on object apart from distance determined by the nearest point of electronic equipment.
Second determining unit 112 is used for the second angle for determining the first panel and horizontal plane；
Second determining unit 112 can be obtained based on gravity sensor；It can also be obtained based on acceleration transducer, when
So, it can also be obtained based on obliquity sensor.
3rd determining unit 113 is for the distance between top edge according to the first panel to lower edge, the mesh
The distance between thing and described electronic equipment are marked, and second angle determines the projection module and object place
The distance between straight line.
Referring to Fig. 4, in the embodiment of the present application, the distance between straight line uses formula where projection module and the object
It can be expressed as：
Wherein, D is the distance between straight line where the projection module and the object；H is the first panel
Top edge is the distance between to lower edge；α is the second angle between first panel and horizontal plane；Y is the object and institute
State the distance between electronic equipment.
In above-described embodiment, it is preferred that a kind of structural representation of the first determining unit 111 as shown in figure 12, can be wrapped
Include：
It is first to be arranged in two image collecting devices at a distance of the second pre-determined distance in the first panel, Figure 12
The image collecting device 122 of image collecting device 121 and second；Also include：
3rd determination subelement 123 and the 4th determination subelement 124；Wherein,
3rd determination subelement 123 is used for the two width target object images gathered simultaneously by described two image collecting devices
Obtain the depth image of the object；
4th determination subelement 124 be used for by acquired depth map determine the object and the electronic equipment it
Between distance.
Specifically, can be determined by acquired depth image the object respectively with described two image collectors
The distance between put；
By the object respectively the distance between with described two image collecting devices, and described two images are adopted
The distance between acquisition means are assured that the distance between object and described electronic equipment.
Position of described two image collecting devices in first panel is as shown in fig. 6, tiltedly to stand on one flat when first panel
When on face, described two image collecting devices are in the lower section of the display module.
In above-described embodiment, it is preferred that when the object be ultrasonic pen when, the first determining unit 111 it is another
Structural representation as shown in figure 13, can include：
It is the first sound pick-up to be arranged in two sound pick-ups at a distance of the first pre-determined distance in the first panel, Figure 13
131 and second sound pick-up 132；Also include：
First determination subelement 133 and the second determination subelement 134；Wherein,
First determination subelement 133 is used to perceive the ultrasonic wave institute that the object is launched by described two sound pick-ups
The duration needed determines the object respectively the distance between with described two sound pick-ups；
Infrared emitter can be set on the ultrasonic pen, it is infrared to launching by the infrared emitter of ultrasonic pen side
Light, the time when infrared receiving device of electronic equipment side is received into infrared light is defined as rising for ultrasonic pen transmitting ultrasonic wave
The first sound pick-up in time beginning, two sound pick-ups perceives the time of ultrasonic wave and the infrared receiving device receive it is infrared
The difference of the time of light time is that the first sound pick-up perceives duration needed for the overtime ripple of object transmitting；Two sound pick-ups
In the second sound pick-up perceive the time of ultrasonic wave and the difference of time when the infrared receiving device receives infrared light is
Second sound pick-up perceives the duration needed for the ultrasonic wave of object transmitting.
Second determination subelement 134 is used for according to the distance between the object and described two sound pick-ups, Yi Jisuo
State the distance between two sound pick-ups and determine the distance between the object and described electronic equipment.
The computational methods of objectives thing and the distance between the electronic equipment can be found in embodiment illustrated in fig. 9, here
Repeat no more.
Position of described two sound pick-ups in first panel as shown in figure 8, when first panel is tiltedly stood in a plane,
Described two sound pick-ups are put in the lower section of the display module.
In above-described embodiment, it is preferred that the 3rd determining module 104 is specifically for according to the projection module and the mesh
Mark the distance between straight line where thing, the distance between top edge of the first panel to lower edge, and the object
Determine the projection module to the vertical line section between straight line where the object and institute to the distance between the electronic equipment
State the first angle between first panel.
Referring to Fig. 4, the determination method formula of first angle can be expressed as：
Wherein, β represents projection module between the vertical line section and the first panel between straight line where the object
The first angle；H for the first panel top edge the distance between to lower edge；D is the projection module and the mesh
The distance between straight line where marking thing；Y is the distance between the object and described electronic equipment.
After β cosine value is obtained, it is possible to know β specific value.
In above-described embodiment, it is preferred that projection control module 106 specifically for, by by display module show by institute
Object is stated to input to the first information of electronic equipment, and/or, second information associated with the first information passes through described
Projection module is projected.
Wherein, second information associated with the first information can include but is not limited to following information：Spelling prompting
Information or word error correction information or selection interface etc..It is of course also possible to which whole display interface is all projected.
The embodiment of the present application also provides a kind of electronic equipment, and the electronic equipment has described in as above any one device embodiment
Information processor.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the device of foregoing description
With the specific work process of unit, the corresponding process in preceding method embodiment is may be referred to, be will not be repeated here.
, can be by it in several embodiments provided herein, it should be understood that disclosed apparatus and method
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical of device or unit by some interfaces
Letter connection, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the application.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or scope.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (13)
1. a kind of information processing method, applied to electronic equipment, it is characterised in that the electronic equipment at least has the first face
Display module and projection module are provided with plate, the first panel；The display module and the projection module are located at described
The same side of first panel；Methods described includes：
Whether detection is placed object in the plane of the electronic equipment, the object is for defeated to the electronic equipment
Enter the device of information；
When detecting object, the distance between straight line where determining the projection module and the object, wherein, it is described
Straight line where object is the straight line parallel with the lower edge of the first panel；
According to the distance between straight line, the chi of the LCD panel of the projection module where the projection module and the object
It is very little, and the size of projected picture determines target focal length；
Determine the projection module to first between the vertical line section and the first panel between straight line where the object
Angle；
It is first angle by the angle adjustment between the camera lens of the projection module and the first panel, by the projective module
The Focussing of block is the target focal length；
The presupposed information shown by display module is projected by the projection module.
2. according to the method described in claim 1, it is characterised in that described to determine the projection module and object place
The distance between straight line includes：
Determine the distance between the object and described electronic equipment；
Determine the second angle of the first panel and horizontal plane；
Top edge according to the first panel is the distance between to lower edge, between the object and the electronic equipment
Distance, and second angle determine the distance between the projection module and object place straight line.
3. method according to claim 2, it is characterised in that the object is ultrasonic pen；It is described to determine the mesh
The distance between mark thing and described electronic equipment include：
The ultrasonic wave that the object is launched is perceived by two sound pick-ups in the first panel at a distance of the first pre-determined distance；
Duration needed for the ultrasonic wave that the object is launched is perceived by described two sound pick-ups determines the object point
The distance between not with described two sound pick-ups；
According to the distance between the object and described two sound pick-ups, and the distance between described two sound pick-ups are determined
The distance between the object and the electronic equipment.
4. method according to claim 2, it is characterised in that between the determination object and the electronic equipment
Distance include：
Pass through the image of object described in two image acquisition devices in the first panel at a distance of the second pre-determined distance；
Pass through the depth image that two collected width target object images obtain the object；
The distance between described object and the electronic equipment are determined by acquired depth image.
5. according to the method described in claim 1, it is characterised in that described to determine the projection module to object place
The first angle between vertical line section and the first panel between straight line includes：
According to the distance between straight line where the projection module and the object, the top edge of the first panel is to below
The distance between edge, and the object determine the projection module to the target to the distance between the electronic equipment
The first angle between vertical line section and the first panel between straight line where thing.
6. according to the method described in claim 1, it is characterised in that the presupposed information is：Inputted by the object to electricity
The first information of sub- equipment, and/or, second information associated with the first information.
7. a kind of information processor, applied to electronic equipment, it is characterised in that the electronic equipment at least has the first face
Display module and projection module are provided with plate, the first panel；The display module and the projection module are located at described
The same side of first panel；Described device includes：
Whether have object in detection module, the plane that the electronic equipment is placed for detecting, the object be used for
The electronic equipment inputs the device of information；
First determining module, for when the detection module detects object, determining the projection module and the target
The distance between straight line where thing, wherein, straight line where the object is parallel with the lower edge of the first panel
Straight line；
Second determining module, for according to the distance between straight line, the projection where the projection module and the object
The size of the LCD panel of module, and the size of projected picture determine target focal length；
3rd determining module, for determining the projection module to the vertical line section between straight line where the object and described the
The first angle between one panel；
Adjusting module, for being the described first folder by the angle adjustment between the camera lens of the projection module and the first panel
Angle, is the target focal length by the Focussing of the projection module；
Control module is projected, for the presupposed information shown by display module to be projected by the projection module.
8. device according to claim 7, it is characterised in that first determining module includes：
First determining unit, for determining the distance between the object and described electronic equipment；
Second determining unit, the second angle for determining the first panel and horizontal plane；
3rd determining unit, for the distance between top edge according to the first panel to lower edge, the object with
The distance between described electronic equipment, and second angle determine the projection module and the object where straight line it
Between distance.
9. device according to claim 8, it is characterised in that the object is ultrasonic pen, described first determines list
Member includes：
It is arranged on two sound pick-ups at a distance of the first pre-determined distance in the first panel；
First determination subelement, for by described two sound pick-ups perceive needed for the ultrasonic wave that the object is launched when
It is long to determine the object respectively the distance between with described two sound pick-ups；
Second determination subelement, for according to the distance between the object and described two sound pick-ups, and it is described two
The distance between sound pick-up determines the distance between the object and described electronic equipment.
10. device according to claim 8, it is characterised in that first determining unit includes：
It is arranged on two image collecting devices at a distance of the second pre-determined distance in the first panel；
3rd determination subelement, the two width target object images for being gathered by described two image collecting devices simultaneously obtain institute
State the depth image of object；
4th determination subelement, for by acquired depth map determine between the object and the electronic equipment away from
From.
11. device according to claim 7, it is characterised in that the 3rd determining module according to described specifically for throwing
The distance between the distance between straight line where shadow module and the object, the top edge of the first panel to lower edge,
And the object to the distance between the electronic equipment determine the projection module to object place straight line it
Between vertical line section and the first panel between the first angle.
12. device according to claim 7, it is characterised in that the projection control module will be specifically for that will pass through display
What module was shown is inputted to the first information of electronic equipment by the object, and/or, associated with the first information
Two information are projected by the projection module.
13. a kind of electronic equipment, it is characterised in that the electronic equipment, which at least has in first panel, the first panel, to be set
It is equipped with display module and projection module；The display module and the projection module are located at the same side of the first panel；Institute
Stating electronic equipment also includes the information processor as described in claim 7-12 any one.
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| WO2006033245A1 (en) * | 2004-09-21 | 2006-03-30 | Nikon Corporation | Electronic device |
| US8228315B1 (en) * | 2011-07-12 | 2012-07-24 | Google Inc. | Methods and systems for a virtual input device |
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| CN103793061A (en) * | 2014-03-03 | 2014-05-14 | 联想(北京)有限公司 | Control method and electronic equipment |
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| CN104185824B (en) * | 2012-03-31 | 2019-01-22 | 英特尔公司 | The calculating unit and system of projection for showing and integrating |
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| US8228315B1 (en) * | 2011-07-12 | 2012-07-24 | Google Inc. | Methods and systems for a virtual input device |
| CN103517019A (en) * | 2013-09-16 | 2014-01-15 | 闻泰通讯股份有限公司 | Imaging system of electronic device and cell phone with imaging system |
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