CN106982332A - The control method of IP Camera, apparatus and system - Google Patents
The control method of IP Camera, apparatus and system Download PDFInfo
- Publication number
- CN106982332A CN106982332A CN201710412122.5A CN201710412122A CN106982332A CN 106982332 A CN106982332 A CN 106982332A CN 201710412122 A CN201710412122 A CN 201710412122A CN 106982332 A CN106982332 A CN 106982332A
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- China
- Prior art keywords
- camera
- information
- control instruction
- angle
- control
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The invention discloses a kind of control method of IP Camera, apparatus and system, belong to network technique field.Methods described includes：Control end determines the adjusting parameter of the IP Camera, and the adjusting parameter includes：Angle information and focus information；Generated according to the adjusting parameter in a control instruction, the control instruction and carry the angle information and the focus information；The control instruction is sent to the IP Camera, the control instruction is used to indicate the IP Camera according to the angle information adjustment angle, and adjusts focal length according to the focus information.Because the method that the present invention is provided can adjust the negligible amounts of interaction message between control end and IP Camera in the angle and focal length of IP Camera, the control process by a control instruction, the efficiency of control is higher.
Description
Technical field
The present invention relates to network technique field, more particularly to a kind of control method of IP Camera, apparatus and system.
Background technology
IP Camera is the product that traditional cameras is combined with network video technique, what the IP Camera was photographed
Video data can be transmitted through the network to terminal user so that terminal user can in real time monitoring objective scene situation.Together
When terminal user can also control the head and camera lens of the IP Camera, to adjust the coverage of the IP Camera, from
And realize remote monitoring in all directions.
In correlation technique, conventional IP Camera is generally PTZ (Pan/Tile/Zoom) camera, and its camera lens has
Left-right rotation (Pan), tilted upward (Tile) are with amplifying functions such as (Zoom).Using Internet video framework agreement, it can pass through
The all-around mobile of control end remote control PTZ camera heads, and adjust the parameters such as focal length, aperture and the zoom of camera lens.
But in the related art, control end needs that a plurality of control message is respectively adopted to indicate the move angle of camera
And Focussing, interacting message is cumbersome when being controlled by this method to camera, and interactive is less efficient.
The content of the invention
In order to solve the problem of control method interactive efficiency in correlation technique is relatively low, taken the photograph the invention provides a kind of network
Control method, apparatus and system as head.The technical scheme is as follows：
First aspect includes there is provided a kind of control method of IP Camera, methods described：
Control end determines the adjusting parameter of the IP Camera, and the adjusting parameter includes：Angle information and focal length letter
Breath；
Generated according to the adjusting parameter in a control instruction, the control instruction and carry the angle information and institute
State focus information；
The control instruction is sent to the IP Camera, the control instruction is used to indicate the IP Camera root
Focal length is adjusted according to the angle information adjustment angle, and according to the focus information.
Second aspect includes there is provided a kind of control device of IP Camera, described device：
Determining module, the adjusting parameter for determining the IP Camera, the adjusting parameter includes：Angle information and
Focus information；
Processing module, is carried for being generated according to the adjusting parameter in a control instruction, the control instruction
State angle information and the focus information；
Sending module, for sending the control instruction to the IP Camera, the control instruction is used to indicate institute
IP Camera is stated according to the angle information adjustment angle, and focal length is adjusted according to the focus information.
The third aspect includes there is provided a kind of control system of IP Camera, the system：Control end and network shooting
Head；
The control end includes device as described in relation to the first aspect, and the control end is used to send to the IP Camera
Angle information and focus information are carried in control instruction, the control instruction；
The IP Camera is used to parse the control instruction, and according to the angle information adjustment angle, according to institute
State focus information adjustment focal length.
Fourth aspect is there is provided a kind of computer-readable recording medium, and be stored with finger in the computer-readable recording medium
Order, when the computer-readable recording medium is run on computers so that computer performs the network that first aspect is provided
The control method of camera.
The beneficial effect that the technical scheme that the present invention is provided is brought is：
The invention provides a kind of control method of IP Camera, apparatus and system, the control end can be according to advance
The adjusting parameter of determination generates a control instruction, and sends the control instruction to IP Camera, can be with the control instruction
Angle information and focus information are carried simultaneously, the control instruction is used to indicate that the IP Camera is adjusted according to the angle information
Angle, and focal length is adjusted according to the focus information.Because the method that the present invention is provided can be in a control instruction while taking
Band angle information and focus information, therefore the angle and focal length of IP Camera can be adjusted by a control instruction, should
The negligible amounts of interaction message in control process, the efficiency of control is higher.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of control system schematic diagram of IP Camera provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the control method of IP Camera provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of three-dimensional system of coordinate provided in an embodiment of the present invention；
Fig. 4 is a kind of displacement diagram of the IP Camera provided in an embodiment of the present invention in three-dimensional system of coordinate；
Fig. 5 is the schematic diagram that a kind of two IP Cameras provided in an embodiment of the present invention cooperate；
Fig. 6 is a kind of structural representation of the control device of IP Camera provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of schematic diagram of the control system of IP Camera provided in an embodiment of the present invention, and referring to Fig. 1, this is
Control end 01 and at least one IP Camera 02 can be included in system.The control end 01 can for mobile terminal, computer or
Intelligent television etc.；Each IP Camera 02 can include camera body and head, and the head is used to support camera body,
And drive the camera body to rotate or mobile.The control end 01 is set up with each IP Camera 02 communication link
Connect, the anglec of rotation, displacement and focal length for controlling each IP Camera 02.
Fig. 2 is a kind of flow chart of the control method of IP Camera provided in an embodiment of the present invention, and this method can be answered
For in the system shown in Fig. 1, with reference to Fig. 2, this method can specifically include：
Step 101, control end determine the adjusting parameter of IP Camera, and the adjusting parameter includes：Angle information and focal length
Information.
In embodiments of the present invention, user can by the scene captured by control end remote control network camera, when
When user needs to adjust the coverage of IP Camera, adjusting parameter directly can be inputted to control end, or can be in net
Target area is chosen in the current shooting image of network camera, the target area that the control end can be chosen according to user, generation
Adjusting parameter.The adjusting parameter can at least include angle information and focus information.
Wherein, angle information can include：The adjustment angle of horizontal direction and the adjustment angle of vertical direction.Further
, the adjustment angle of the horizontal direction or vertical direction can specifically include angle value and adjustment direction, for horizontal direction
Adjustment angle, the adjustment direction can be for the left or to the right；For the adjustment angle of vertical direction, the adjustment direction can be with
For upwardly or downwardly.
The focus information can be IP Camera target focal length extremely to be adjusted, when IP Camera receives the target
, can be directly by the Focussing of itself to the target focal length after focal length.Or, in order to simplify information, improve data transfer
Efficiency, the focus information can also for normalization focal length.The normalization focal length refers to IP Camera target extremely to be adjusted
Focal length and the ratio of default standard focal length.
Fig. 3 is a kind of schematic diagram of three-dimensional system of coordinate provided in an embodiment of the present invention, and the three-dimensional system of coordinate is by mutually vertical
X-axis, Y-axis and Z axis composition, wherein, X-axis and Y-axis difference are horizontally extending, jointly define horizontal plane, and Z axis is along vertical
Direction extends.With reference to Fig. 3, the adjustment angle of the horizontal direction in the angle information can refer to that camera is defined in X-axis and Y-axis
Horizontal plane in anglec of rotation α, the adjustment angle of the vertical direction can refer to the angle that camera rotates in the Z-axis direction
β.Further, the adjustment direction can be identified by the positive and negative of angle value.The angle value of such as anglec of rotation is timing, table
Show to right rotation or rotate up, when the angle value of the anglec of rotation is bears, represent to anticlockwise or be rotated down.
Example, it is assumed that user needs control IP Camera in the horizontal plane to 30 ° of right rotation, rotates up 40 °, then
Angle information in the adjusting parameter can be：α=30 °, β=40 °.If user needs control IP Camera in the horizontal plane
To 30 ° of right rotation, 40 ° are rotated down, then the angle information in the adjusting parameter can be：α=30 °, β=- 40 °.
Step 102, control end generate in a control instruction, the control instruction according to the adjusting parameter and carry the angle
Information and the focus information.
In embodiments of the present invention, control end is it is determined that after adjusting parameter, can be according to included in the adjusting parameter
Subparameter, generates a control instruction.Assuming that including multiple subparameters in the adjusting parameter altogether, then control end is joined according to the adjustment
Each dimension in a multidimensional coordinate, the multidimensional coordinate can be included in the control instruction of number generation to be used to indicate a son ginseng
Number, the coordinate value of each dimension is used for the parameter value for indicating a subparameter.
Example, it is assumed that the adjusting parameter includes three subparameters altogether：It is adjustment angle α=30 ° of horizontal direction, vertical
Adjustment angle β=40 ° in direction, and normalization focal length 0.8.The control that then control end is generated according to three subparameters refers to
A three-dimensional coordinate (α, β, S) can be included in order, wherein, S represents focal length.It that is to say, first in the three-dimensional coordinate dimension
The adjustment angle for indicating horizontal direction is spent, second dimension is used for the adjustment angle for indicating vertical direction, the 3rd dimension
For indicating focal length.In actual applications, the control instruction specifically can be with as follows：
Wherein, " SpaceURI " represents the ground of the communication protocol used when being communicated between the control end and IP Camera
Location, " XYAngle " represents the anglec of rotation α of horizontal direction, and " ZRange " represents the anglec of rotation β on vertical direction,
" SNormal " represents normalization focal length S.
Further, in embodiments of the present invention, the adjusting parameter can also include：In displacement and translational speed
It is at least one.Wherein, translational speed can refer to speed that head moves on predetermined trajectory or refer to head and drive take the photograph
Speed when being rotated in the horizontal plane or on vertical direction as head.When the adjusting parameter includes translational speed, the network
Camera can be moved according to the translational speed, and so as to realize scanning monitoring, the monitoring range of scanning monitoring is bigger.
Example, it is assumed that as shown in figure 4, the original position of IP Camera is set to A, its target location for needing to be moved to is B,
Its focal length needs to be adjusted to the 0.8 of standard focal length.Then understood by origin of position A, the horizontal plane that position B is defined in X-axis and Y-axis
Interior polar coordinates can be expressed as that (α, r), coordinates of the position B on the vertical direction that Z axis is defined can be expressed as h.Control end
It can be determined to include 4 subparameters in the adjusting parameter altogether according to above- mentioned information.Assuming that in 4 subparameters, S=0.8, α=
30 °, r=10 centimetres (cm), h=-20cm, then the control instruction that control end is generated according to 4 subparameters can be：
Wherein, " XYRadius " represents the polar diameter r in horizontal plane, and " XYAngle " represents the polar angle α in horizontal plane,
" ZRange " represents the displacement h on vertical direction.
Step 103, control end send the control instruction to the IP Camera.
Control end can be sent in control instruction, every control instruction extremely based on default communication protocol to IP Camera
Angle information and focus information can be carried less.Wherein, the communication protocol can be opening Internet video Interface Forum
(Open NetworkVideo Interface Forum, ONVIF) agreement.
Step 104, IP Camera send response message to control end.
IP Camera is received after control instruction, and response message can be sent to control end, and the response message is used to lead to
Know control end, the IP Camera has normally received control instruction.
Step 105, IP Camera adjust focal length according to the angle information adjustment angle, and according to the focus information.
In embodiments of the present invention, the message format of control instruction is previously stored with IP Camera, the network shooting
Head is received after the control instruction, the message format that can be prestored according to this, is parsed in the control instruction entrained
Angle information and focus information, are then adjusted successively to angle and focal length again.Due to that can be taken in a control instruction
With angled and focus information, therefore the quantity of interaction message between control end and IP Camera can be effectively reduced, so that
The response speed of IP Camera can be improved, control efficiency is improved.
In addition, the angle information and the order of the focus information can also be included in control instruction transmitted by the control end
Information, the order that the IP Camera can also be indicated according to the order information, is sequentially adjusted in angle and focal length.Wherein, this is suitable
Sequence information can refer to the order that parameters occur in the control instruction.If for example, in the control instruction angle information and
Focus information be in the form of multidimensional coordinate identify, then the order information can be the multidimensional coordinate in each dimension it is suitable
Sequence.
Example, it is assumed that control instruction, which includes first dimension in a three-dimensional coordinate, the three-dimensional coordinate, to be used to indicate
The adjustment angle of horizontal direction, second dimension is used for the adjustment angle for indicating vertical direction, and the 3rd dimension is used to indicate Jiao
Away from.Then the order indicated by the order information is：The adjustment angle of horizontal direction, the adjustment angle of vertical direction and focal length.
Therefore, can basis when three-dimensional coordinate included in the control instruction that IP Camera is received is (30 °, 40 °, 0.8)
The three-dimensional coordinate, first rotates 40 °, finally again by Focussing to standard focal length then up by camera to 30 ° of right rotation
0.8。
It should be noted that in embodiments of the present invention, can be made an appointment between the IP Camera and control end
The mark of each subparameter, so that IP Camera is received after the control instruction, can correctly read out each subparameter
Parameter value.If for example, in the control instruction each subparameter be in the form of multidimensional coordinate identify, the IP Camera and
The type for the parameter that can have been made an appointment indicated by each reference axis between control end.
It should also be noted that, control method provided in an embodiment of the present invention, can specifically control IP Camera relative
The adjustment of position, the adjustment of absolute position, the movement of relative position and the movement of absolute position.The mark of wherein every kind of adjustment mode
Label (Tag) and adjusting parameter may refer to table 1.
Wherein, the adjustment of relative position refers to the angle carried out relative to the current state of IP Camera and focal length
Adjustment, the adjustment of absolute position refers to the adjustment of the angle and focal length carried out relative to the original state of IP Camera；Phase
Movement to position refers to the adjustment of angle, displacement and the focal length carried out relative to the current state of IP Camera, definitely
The movement of position refers to the adjustment of angle, displacement and the focal length carried out relative to the original state of IP Camera, optionally
Adjusting parameter can include：The vertical angles of the level angle of starting point and end point, starting point and end point, starting point and
The normalization focal length of end point, and translational speed.
Table 1
Further, method provided in an embodiment of the present invention more has its excellent when controlling multiple IP Cameras to cooperate
Gesture.With reference to Fig. 5, it is assumed that be provided with two IP Cameras 021 and 022 in certain monitor area, when control end is to two networks
The control mode of camera for absolute position it is mobile when, can respectively to IP Camera 021 and 022 respectively send one control
Instruction.It can include in the control instruction wherein sent to IP Camera 021：The level angle A1 of starting point, end point
Level angle A2, and translational speed V1, the control instruction can control the IP Camera 021 in angle A 1 to A2 scopes
It is interior, it is scanned with translational speed V1.The control instruction that control end is sent to IP Camera 022 can include：Starting point
Level angle B1, the level angle B2 of end point, and translational speed V2, the control instruction can control the IP Camera
022 in the range of angle B 1 to B2, is scanned with translational speed V2.Thus, you can realize to target monitoring region without dead
Angle collaboration scanning monitoring.Because in control end, during each IP Camera is controlled, the negligible amounts of interaction message can
To avoid due to synchronization delayed time larger caused by multiple interacting message.
It should also be noted that, the sequencing of the step of control method of IP Camera provided in an embodiment of the present invention
Can suitably it be adjusted, step according to circumstances can also accordingly be increased and decreased.Any one skilled in the art
The invention discloses technical scope in, the method that can readily occur in change should be all included within the scope of the present invention,
Therefore repeat no more.
In summary, the embodiments of the invention provide a kind of control method of IP Camera, the control end can basis
Predetermined adjusting parameter generates a control instruction, and sends the control instruction to IP Camera, in the control instruction
Angle information and focus information can be carried simultaneously, and the control instruction is used to indicate the IP Camera according to the angle information
Adjustment angle, and focal length is adjusted according to the focus information.Because the method that the present invention is provided can be in a control instruction together
When carry angle information and focus information, therefore angle and Jiao of IP Camera can be adjusted by a control instruction
Away from the negligible amounts of interaction message in the control process, the efficiency of control is higher.
Fig. 6 is a kind of structural representation of the control device of IP Camera provided in an embodiment of the present invention, control dress
Putting can be deployed in the control end 01 shown in Fig. 1, and with reference to Fig. 6, the device can include：
Determining module 201, the adjusting parameter for determining the IP Camera, adjusting parameter includes：Angle information and
Focus information.
Processing module 202, the angle is carried for being generated according to the adjusting parameter in a control instruction, the control instruction
Spend information and the focus information.
Sending module 203, for sending the control instruction to the IP Camera, the control instruction is used to indicate the network
Camera adjusts focal length according to the angle information adjustment angle, and according to the focus information.
Optionally, multiple subparameters are included in the adjusting parameter altogether；The processing module 202 is generated according to the adjusting parameter
The control instruction, which includes each dimension in a multidimensional coordinate, the multidimensional coordinate, to be used to indicate a subparameter, each dimension
Coordinate value be used for indicate a subparameter parameter value.
Optionally, it can also include in the control instruction：
The order information of the angle information and the focus information, the control instruction be additionally operable to indicate the IP Camera according to
The order that the order information is indicated, is sequentially adjusted in angle and focal length.
Optionally, the angle information can at least include：The adjustment angle of horizontal direction and the adjustment angle of vertical direction；
The focus information is normalization focal length.
Optionally, the adjusting parameter can also include：At least one of displacement and translational speed.
In summary, the embodiments of the invention provide a kind of control device of IP Camera, the control device can root
A control instruction is generated according to predetermined adjusting parameter, and the control instruction is sent to IP Camera, the control instruction
In can carry angle information and focus information simultaneously, the control instruction be used for indicate the IP Camera according to the angle believe
Adjustment angle is ceased, and focal length is adjusted according to the focus information.Because the method that the present invention is provided can be in a control instruction
Angle information and focus information are carried simultaneously, therefore angle and Jiao of IP Camera can be adjusted by a control instruction
Away from the negligible amounts of interaction message in the control process, the efficiency of control is higher.
With reference to Fig. 1, the embodiment of the present invention additionally provides the control end in a kind of control system of IP Camera, the system
01 can include the control device of IP Camera as shown in Figure 6, and the control end 01 is used to send to the IP Camera 02
Angle information and focus information are carried in control instruction, the control instruction；The IP Camera 02 refers to for parsing the control
Order, and according to the angle information adjustment angle, focal length is adjusted according to the focus information.
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 module, the corresponding process in preceding method embodiment is may be referred to, be will not be repeated here.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of control method of IP Camera, it is characterised in that methods described includes：
Control end determines the adjusting parameter of the IP Camera, and the adjusting parameter includes：Angle information and focus information；
Generated according to the adjusting parameter in a control instruction, the control instruction and carry the angle information and Jiao
Away from information；
The control instruction is sent to the IP Camera, the control instruction is used to indicate the IP Camera according to institute
Angle information adjustment angle is stated, and focal length is adjusted according to the focus information.
2. according to the method described in claim 1, it is characterised in that include multiple subparameters in the adjusting parameter altogether；
Include each tieing up in a multidimensional coordinate, the multidimensional coordinate according to the control instruction that the adjusting parameter is generated
Spend for indicating a subparameter, and the coordinate value of each dimension is used for the parameter value for indicating a subparameter.
3. according to the method described in claim 1, it is characterised in that also include in the control instruction：
The order information of the angle information and the focus information, the control instruction is additionally operable to indicate the IP Camera
The order indicated according to the order information, is sequentially adjusted in angle and focal length.
4. according to any described method of claims 1 to 3, it is characterised in that
The angle information includes：The adjustment angle of horizontal direction and the adjustment angle of vertical direction；
The focus information is normalization focal length.
5. according to any described method of claims 1 to 3, it is characterised in that the adjusting parameter also includes：Displacement and
At least one of translational speed.
6. a kind of control device of IP Camera, it is characterised in that described device includes：
Determining module, the adjusting parameter for determining the IP Camera, the adjusting parameter includes：Angle information and focal length
Information；
Processing module, the angle is carried for being generated according to the adjusting parameter in a control instruction, the control instruction
Spend information and the focus information；
Sending module, for sending the control instruction to the IP Camera, the control instruction is used to indicate the net
Network camera adjusts focal length according to the angle information adjustment angle, and according to the focus information.
7. device according to claim 6, it is characterised in that include multiple subparameters in the adjusting parameter altogether；
The control instruction that the processing module is generated according to the adjusting parameter includes a multidimensional coordinate, the multidimensional
Each dimension is used to indicate a subparameter in coordinate, and the coordinate value of each dimension is used for the parameter value for indicating a subparameter.
8. device according to claim 6, it is characterised in that also include in the control instruction：
The order information of the angle information and the focus information, the control instruction is additionally operable to indicate the IP Camera
The order indicated according to the order information, is sequentially adjusted in angle and focal length.
9. according to any described device of claim 6 to 8, it is characterised in that
The angle information includes：The adjustment angle of horizontal direction and the adjustment angle of vertical direction；
The focus information is normalization focal length.
10. a kind of control system of IP Camera, it is characterised in that the system includes：Control end and IP Camera；
The control end includes the device as described in claim 6 to 9 is any, and the control end is used for the IP Camera
Send in control instruction, the control instruction and carry angle information and focus information；
The IP Camera is used to parse the control instruction, and according to the angle information adjustment angle, according to Jiao
Focal length is adjusted away from information.
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| CN201710412122.5A CN106982332A (en) | 2017-06-02 | 2017-06-02 | The control method of IP Camera, apparatus and system |
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| CN201710412122.5A CN106982332A (en) | 2017-06-02 | 2017-06-02 | The control method of IP Camera, apparatus and system |
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| US20120069206A1 (en) * | 2010-09-16 | 2012-03-22 | Hon Hai Precision Industry Co., Ltd. | Camera image correction system and image correction method employing the same |
| CN102591366A (en) * | 2012-02-17 | 2012-07-18 | 广州盈可视电子科技有限公司 | Method and device for controlling cloud deck |
| CN104159016A (en) * | 2013-05-13 | 2014-11-19 | 浙江大华技术股份有限公司 | Cradle head control system, method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101005607A (en) * | 2006-01-20 | 2007-07-25 | 天津市亚安科技电子有限公司 | Video frequency monitoring system with three dimemension dynamic presetting function head |
| US20120069206A1 (en) * | 2010-09-16 | 2012-03-22 | Hon Hai Precision Industry Co., Ltd. | Camera image correction system and image correction method employing the same |
| CN102314179A (en) * | 2011-05-04 | 2012-01-11 | 杭州电子科技大学 | Cradle head control method based on mobile phone and built-in gravity sensor |
| CN102591366A (en) * | 2012-02-17 | 2012-07-18 | 广州盈可视电子科技有限公司 | Method and device for controlling cloud deck |
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