CN106993146A - Control method, control device, projector - Google Patents
Control method, control device, projector Download PDFInfo
- Publication number
- CN106993146A CN106993146A CN201610042181.3A CN201610042181A CN106993146A CN 106993146 A CN106993146 A CN 106993146A CN 201610042181 A CN201610042181 A CN 201610042181A CN 106993146 A CN106993146 A CN 106993146A
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- China
- Prior art keywords
- hot spot
- projected picture
- spot region
- module
- control device
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
- H04N9/3108—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators by using a single electronic spatial light modulator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
Abstract
The invention discloses a kind of control method, for controlling projector.The control method includes：Shoot the image of projected picture；Obtain the corresponding hot spot region of controllable object in the projected picture；Processing described image whether there is hot spot to recognize in the hot spot region；And produce the corresponding control command of the controllable object when in the hot spot region there is the hot spot.The present invention also provides a kind of control device and projector.What control method, control device and the projector of embodiment of the present invention were can control the controllable object in projected picture by simple, common laser pen, and easy to operate, cost is low.
Description
Technical field
The present invention relates to projector, more particularly to a kind of control method, control device and projector.
Background technology
The occasion (such as business presentations) that existing many use projectors are demonstrated, demonstrator may need
Stand and demonstrated before screen, it is impossible to move cursor to indicate projected picture using mouse.Demonstrator
Therefore projected picture may be indicated using laser pen.However, in these occasions, demonstrator still may be used
Some objects (such as virtual play button) in control projected picture, in this case, demonstrator can be needed
Need for returning to and mouse is operated before seat, it is inconvenient for use.
Existing some laser pens can also control the object in projected picture, however, realizing such control
System, it usually needs sufficiently complex signal and/or data processing, and may need to set complicated laser
Mode of operation, in some instances it may even be possible to need to increase accessory of laser pen etc., causes laser pen or optical projection system
Cost increase.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention is carried
One kind is supplied
The control method of embodiment of the present invention, for controlling projector, it includes：
Shoot the image of projected picture；
Obtain the corresponding hot spot region of controllable object in the projected picture；
Processing described image whether there is hot spot to recognize in the hot spot region；And
The controllable object corresponding control command is produced when there is the hot spot in the hot spot region.
In some embodiments, the projector is used to the current page data of demonstration document carrying out sky
Between project into the projected picture after optical modulation, the obtaining step is by analyzing the current page number
The hot spot region is obtained according to this.
In some embodiments, the obtaining step by handling described image to identify the focus
Region.
In some embodiments, the control method also includes：
Judge whether the projected picture is stablized, and when the projected picture is stable into the processing step
Suddenly.
In some embodiments, the projector is used to the current page data of demonstration document carrying out sky
Between project into the projected picture after optical modulation, the judgment step is by analyzing the current page number
It is judged that whether the projected picture is stablized.
In some embodiments, the judgment step judges the projected picture by analyzing described image
Whether stablize.
In some embodiments, the control method also includes after the shooting step：
Detect whether to start trapezoidal calibration function；And
When starting the trapezoidal calibration function hot spot region is corrected using trapezoidal calibration algorithm.
In some embodiments, it is described the step of produce the controllable object corresponding control command in institute
State in the hot spot region to exist when whether the hot spot exceedes the scheduled time and produce the control command.
The control device of embodiment of the present invention, for controlling projector, the control device includes：
Camera module, the image for shooting projected picture；
Acquisition module, for obtaining the corresponding hot spot region of controllable object in the projected picture；
Processing module, hot spot is whether there is for handling described image to recognize in the hot spot region；And
Command module, produces the controllable object pair during for there is the hot spot in the hot spot region
The control command answered.
In some embodiments, the projector is used to the current page data of demonstration document carrying out sky
Between project into the projected picture after optical modulation, the acquisition module by analyze the demonstration document with
Obtain the hot spot region.
In some embodiments, the acquisition module by handling described image to identify the focus
Region.
In some embodiments, the control device also includes：
Judge module, for judging whether the projected picture is stablized, and when the projected picture is stable
Notify the processing module.
In some embodiments, the projector is used to the current page data of demonstration document carrying out sky
Between project into the projected picture after optical modulation, the judge module is by analyzing the current page number
It is judged that whether the projected picture is stablized.
In some embodiments, the judge module judges the projected picture by analyzing described image
Whether stablize.
In some embodiments, the taking module also includes：
Detection module, detects whether to start trapezoidal calibration function；And
Calibration module, for described using the correction of trapezoidal calibration algorithm when starting the trapezoidal calibration function
Hot spot region.
In some embodiments, the command module is used in the hot spot region in the presence of described
Hot spot produces the control command when whether exceeding the scheduled time.
The projector of embodiment of the present invention, it is characterised in that the control device.
The control method of embodiment of the present invention and the control device of embodiment of the present invention can apply to
The projector of embodiment of the present invention, and judge hot zone by handling image by obtaining behind hot spot region
Whether domain there is hot spot to decide whether to produce the control command of controllable object.In this way, projector can ring
Control command is answered, so as to realize that laser pen controls the purpose of projector.In this way, demonstrator need not return to seat
Operation mouse just can control the controllable object in projected picture before position, easy to operate.In addition, laser pen
Can be the controllable thing in controllable projected picture using common, traditional laser pen without being transformed
Part.Further, the acquisition of hot spot region and judging whether hot spot region hot spot occurs and be related to by handling image
Signal and/or data processing it is relatively simple, so as to reduce projector, laser pen and projection on the whole
The cost of system.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of embodiments of the present invention are from accompanying drawings below is combined to reality
It will be apparent and be readily appreciated that in the description for applying mode, wherein：
Fig. 1 is the schematic flow sheet of the control method of embodiment of the present invention.
Fig. 2 is the high-level schematic functional block diagram of the control device of embodiment of the present invention.
Fig. 3 is the schematic diagram of the projector of embodiment of the present invention.
Fig. 4 is a fundamental diagram of embodiment of the present invention.
Fig. 5 a, 5b are two other fundamental diagrams of embodiment of the present invention.
Fig. 6 is the schematic flow sheet of the control method of another embodiment of the invention.
Fig. 7 is the high-level schematic functional block diagram of the control device of another embodiment of the invention.
Fig. 8 is the schematic flow sheet of the control method of yet another embodiment of the present invention.
Fig. 9 is the high-level schematic functional block diagram of the control device of yet another embodiment of the present invention.
Embodiment
The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the reality of the present invention
Apply mode, and it is not intended that limitation to embodiments of the present invention.
Referring to Fig. 1, the control method of embodiment of the present invention includes：
S1：Shoot the image of projected picture；
S2：Obtain the corresponding hot spot region of controllable object in projected picture；
S3：Processing image whether there is hot spot to recognize in hot spot region；And
S4：Controllable object corresponding control command is produced when there is hot spot in hot spot region.
Referring to Fig. 2, the control device 10 of embodiment of the present invention includes camera module 12, obtains mould
Block 14, processing module 16 and command module 18.
The control method of embodiment of the present invention can realize by the control device 10 of embodiment of the present invention,
For example, step S12 can be realized by camera module 12, step S14 can be realized by acquisition module 14,
Step S16 can be realized by processing module 16, and step S18 can be realized by command module 18.
In other words, camera module 12 can be used for the image for shooting projected picture.Acquisition module 14 can
For obtaining the hot spot region in projected picture.Processing module 16 can be used for processing image to recognize
It whether there is hot spot in hot spot region.When command module 18 can be used for there is hot spot in hot spot region
Produce the corresponding control command of controllable object.
Referring to Fig. 3, the control method and the control device of embodiment of the present invention of embodiment of the present invention
10 can apply to the projector 100 of embodiment of the present invention, and by obtaining behind hot spot region by place
Reason image judges whether hot spot region hot spot occurs to decide whether to produce the control command of controllable object.
In this way, projector 100 can be with responsing control command, so as to realize that laser pen 200 controls projector
100 purpose.Mouse is operated just to can control in projected picture in this way, demonstrator need not be returned to before seat
Controllable object, it is easy to operate.
In addition, laser pen 200 can use common, traditional laser pen without being transformed
Control the controllable object in projected picture.
Further, the acquisition of hot spot region and judging whether hot spot region hot spot occurs and be related to by handling image
Signal and/or data processing it is relatively simple, so as to reduce projector 100, laser pen 200 on the whole
And the cost of optical projection system (including projector 100 and laser pen 200).
Referring to Fig. 3, in some embodiments, projector 100 reads demonstration document, and to demonstration
The current page data of file carry out spatial optical modulation (spatial light modulation, SLM), projection
Into projected picture 102.
SLM can be the modulation based on liquid crystal display (liquid crystal display, LCD) panel, also may be used
To be the modulation based on the attached silicon of liquid crystal (liquid crystal on silicon, LCoS) panel, or based on number
The modulation of word micro-mirror device (digital mirror device, DMD).
In other words, projector 100 can be LCD, LCoS or digital light processing (digital light
Processing, DLP) projector.
Certainly, projector 100 is not limited to present embodiment, can be as needed in other embodiment
Using other suitable projectors.
Control device 10 can be the part of projector 100, and be installed on inside projector 100.
Certainly, in other embodiments, control device 10 can also be separately positioned with projector 100,
It is not limited to present embodiment.
Projector 100 includes shell 101 and projection lens 103.Projection lens 103 is from shell 101
Front side expose, for projecting projected picture 102.
Camera module 12 can be arranged on shell 101 and the front side of same subshell 101 is exposed, such as
This, camera module 12 can shoot the image of projected picture 102.
Acquisition module 14 can obtain hot spot region by analyzing current page data, for example, working as
In preceding page data, attribute and the uncontrollable object (example of controllable object (such as button or hyperlink address)
Such as text or picture) attribute it is different, acquisition module 14 can be recognized by reading the attribute of object
Controllable object is so that it is determined that region of the controllable object in projected picture 102, you can the corresponding heat of control object
Point region.
Referring to Fig. 4, for example, current page data include three broadcasting buttons 1022, playing
Button 1022 is controllable object in the attribute of current page data, therefore, and acquisition module 14 can be recognized
Three broadcasting buttons 1022, it is then determined that corresponding hot spot region 1024.
Certainly, the acquisition of hot spot region is also not necessarily limited to present embodiment, in other embodiments, may be used also
With by analyzing the images to obtain the hot spot region in Current projection picture, for example, setting up controllable object
Style library, then finds hot spot region corresponding with the pattern in style library by pattern-recognition.
For example, the pattern that the style library set up includes broadcasting button (is, for example, the forward direction triangle in border circular areas
Shape mark), hot spot region corresponding with the pattern of broadcasting button is then obtained by image procossing.
It should be understood that controllable object is not limited to broadcasting button, return key, advance key, temporarily can also be
Stop key and hyperlink address etc..
Fig. 5 a are referred to, in presentation process, demonstrator can use the projected spot 1026 of laser pen 200
Indicated on projected picture 102 with indicating current presentation position or expressing emphasis etc..
Fig. 5 b are referred to, during instruction, if hot spot 1026 is incident upon hot spot region 1024,
Then judge that demonstrator wants the corresponding controllable object in operation hot spot region 1024.Therefore, command module 18
Produce the corresponding control command of controllable object.For example, the play command of broadcasting button, returning to button and returning
Return order, the opening order of the advance command and hyperlink address of forward key.
Referring to Fig. 6, in some embodiments, control method also includes：
S15, judges whether projected picture is stablized, and enters process step when projected picture is stable.
Referring to Fig. 7, in some embodiments, control device 10a also includes judge module 15.Step
Rapid S10 can be realized that in other words, judge module 15 is used to judge projected picture by judge module 15
Whether stablize, and notification handler module 16 handles image when stablizing.
It is appreciated that if projected picture 102 is unstable, for instance in page layout switch state, on the one hand,
The image of projected picture 102 may be unclear, it is impossible to accurate to judge to whether there is hot spot in hot spot region.
In addition, when projected picture 102 is unstable, demonstrator will not typically want to control in projected picture 102 can
Control object.
Therefore, image is reprocessed after the projected picture 102 such as need is stable.In this way, amount of calculation can be saved.
Furthermore it is possible to provide the accuracy of controllable object control.
It can be determined it is appreciated that whether projected picture 102 is stable by analyzing current page data,
If for example, current page data are unchanged, then the stabilization of projected picture 102 is may determine that, and if current page
Face data change, then may determine that, in page layout switch state, projected picture 102 is unstable.
In other embodiments, can also be by analyzing the images to judge whether projected picture 102 is stablized.
If image stabilization, then may determine that the stabilization of projected picture 102, otherwise, then illustrate projected picture 102
It is unstable.
Referring to Fig. 8, in some embodiments, control method also includes after step is shot：
S13：Detect whether to start trapezoidal calibration function；And
S15：When starting trapezoidal calibration function hot spot region is corrected using trapezoidal calibration algorithm.
Referring to Fig. 9, in some embodiments, control device 10b also include detection module 13a and
Correction module 13b.Step S13 can be realized by detection module 13a, and step S15 can be by correcting
Module 13b is realized.In other words, detection module 13a is used to identify whether to start trapezoidal calibration function,
And correction module 13b is used to correct hot zone using trapezoidal calibration algorithm when starting trapezoidal calibration function
Domain.
It is appreciated that camera model 12 is perhaps to the viewing angle for yielding to spectators starts trapezoidal calibration work(
Can, in this way, projected picture and informal rectangle in image, but the quadrangle with mis-cut angle,
Therefore this further synchronous beveling image algorithm is needed to ensure the degree of accuracy of image recognition.
In some embodiments, step S18 has whether hot spot exceedes the scheduled time in hot spot region
When produce control command.In other words, command module 18 is used for having whether hot spot surpasses in hot spot region
Control command is produced when spending the scheduled time.
The scheduled time can be set by user, for example, 3 seconds.This is primarily to improve triggering control life
The threshold value of order, prevents maloperation.
In the description of embodiments of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal stroke
To ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise "
Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention's
Embodiment and simplified description, rather than instruction or the signified device of hint or element must be with specifically
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to the limit of embodiments of the present invention
System.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying
Relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " are defined
One or more feature can be expressed or be implicitly included to two " feature.In the reality of the present invention
In the description for applying mode, " multiple " are meant that two or more, unless otherwise clearly specific limit
It is fixed.
, it is necessary to explanation in the description of embodiments of the present invention, unless otherwise clear and definite regulation and
Limit, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected,
Can also be detachably connected, or be integrally connected；Can be mechanical connection or electrical connection or
Can mutually it communicate；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in embodiments of the present invention can be understood as the case may be.
In embodiments of the present invention, unless otherwise clearly defined and limited, fisrt feature is second
Feature it " on " or it " under " can directly be contacted including the first and second features, the can also be included
One and second feature be not direct contact but by the other characterisation contact between them.Moreover, the
One feature second feature " on ", " top " and " above " include fisrt feature in second feature
Surface and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and it is " following " include fisrt feature directly over second feature and
Oblique upper, or fisrt feature level height is merely representative of less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the implementation of the present invention
The different structure of mode.In order to simplify the disclosure of embodiments of the present invention, hereinafter to specific examples
Part and setting are described.Certainly, they are only merely illustrative, and purpose does not lie in the limitation present invention.
In addition, embodiments of the present invention can in different examples repeat reference numerals and/or reference letter, this
Plant and repeat to be for purposes of simplicity and clarity, discussed various embodiments itself not to be indicated and/or are set
Relation between putting.In addition, various specific techniques that embodiments of the present invention are provided and material
Example, but those of ordinary skill in the art can be appreciated that application and/or the other materials of other techniques
Use.
In the description of this specification, reference term " embodiment ", " some embodiments ", " show
The description of meaning property embodiment ", " example ", " specific example " or " some examples " etc. means with reference to the reality
Specific features, structure, material or the feature for applying mode or example description are contained at least the one of the present invention
In individual embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referred to
It is identical embodiment or example.Moreover, specific features, structure, material or the feature of description can
To be combined in an appropriate manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein,
Represent to include one or more executable instructions for the step of realizing specific logical function or process
Code module, fragment or part, and the preferred embodiment of the present invention scope include it is other
Realize, wherein can not press substantially same by order that is shown or discussing, including according to involved function
When mode or in the opposite order, carry out perform function, this should be led by the affiliated technology of embodiments of the invention
The technical staff in domain is understood.
Those skilled in the art are appreciated that to realize the whole that above-described embodiment method is carried
Or part steps can be by program to instruct the hardware of correlation to complete, described program can be stored in
In a kind of computer-readable recording medium, the program upon execution, including one of the step of embodiment of the method
Or its combination.In addition, each functional unit in various embodiments of the present invention can be integrated at one
Manage in module or unit is individually physically present, can also two or more unit collection
In Cheng Yi module.Above-mentioned integrated module can both be realized in the form of hardware, it would however also be possible to employ
The form of software function module is realized.If the integrated module is realized in the form of software function module
And as independent production marketing or in use, a computer read/write memory medium can also be stored in
In.Storage medium mentioned above can be read-only storage, disk or CD etc..Although above
Embodiments of the invention have shown and described, it is to be understood that above-described embodiment be it is exemplary, no
It is understood that for limitation of the present invention, one of ordinary skill in the art within the scope of the invention can be right
Above-described embodiment is changed, changed, replacing and modification.
Claims (17)
1. a kind of control method, for controlling projector, it is characterised in that the control method includes：
Shoot the image of projected picture；
Obtain the corresponding hot spot region of controllable object in the projected picture；
Processing described image whether there is hot spot to recognize in the hot spot region；And
The controllable object corresponding control command is produced when there is the hot spot in the hot spot region.
2. such asClaimControl method described in 1, it is characterised in that the projector is used to carry out the current page data of demonstration document to project into the projected picture after spatial optical modulation, the obtaining step is by analyzing the current page data to obtain the hot spot region.
3. such asClaimControl method described in 1, it is characterised in that the obtaining step is by handling described image to identify the hot spot region.
4. such asClaimControl method described in 1, it is characterised in that the control method also includes：
Judge whether the projected picture is stablized, and enter the process step when the projected picture is stable.
5. such asClaimControl method described in 4, it is characterized in that, the projector is used to project into the projected picture after the current page data of demonstration document are carried out into spatial optical modulation, and the judgment step judges whether the projected picture is stablized by analyzing the current page data.
6. such asClaimControl method described in 4, it is characterised in that the judgment step judges whether the projected picture is stablized by analyzing described image.
7. such asClaimControl method described in 1, it is characterised in that the control method also includes after the shooting step：
Detect whether to start trapezoidal calibration function；And
When starting the trapezoidal calibration function hot spot region is corrected using trapezoidal calibration algorithm.
8. such asClaimControl method described in 1, it is characterised in that exist in the hot spot region when whether the hot spot exceedes the scheduled time the step of generation controllable object corresponding control command and produce the control command.
9. a kind of control device, for controlling projector, it is characterised in that the control device includes：
Camera module, the image for shooting projected picture；
Acquisition module, for obtaining the corresponding hot spot region of controllable object in the projected picture；
Processing module, hot spot is whether there is for handling described image to recognize in the hot spot region；And
Command module, produces the controllable object corresponding control command during for there is the hot spot in the hot spot region.
10. such asClaimControl device described in 9, it is characterised in that the projector is used to carry out the current page data of demonstration document to project into the projected picture after spatial optical modulation, the acquisition module is by analyzing the demonstration document to obtain the hot spot region.
11. such asClaimControl device described in 9, it is characterised in that the acquisition module is by handling described image to identify the hot spot region.
12. such asClaimControl device described in 9, it is characterised in that the control device also includes：
Judge module, the processing module is notified for judging whether the projected picture is stablized, and when the projected picture is stable.
13. such asClaimControl device described in 12, it is characterized in that, the projector is used to project into the projected picture after the current page data of demonstration document are carried out into spatial optical modulation, and the judge module judges whether the projected picture is stablized by analyzing the current page data.
14. such asClaimControl device described in 12, it is characterised in that the judge module judges whether the projected picture is stablized by analyzing described image.
15. such asClaimControl device described in 9, it is characterised in that the taking module also includes：
Detection module, detects whether to start trapezoidal calibration function；And
Calibration module, for correcting the hot spot region using trapezoidal calibration algorithm when starting the trapezoidal calibration function.
16. such asClaimControl device described in 9, it is characterised in that the command module, which is used in the hot spot region exist when whether the hot spot exceedes the scheduled time, produces the control command.
17. a kind of projector, it is characterised in that including such asClaimControl device described in 9-16 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610042181.3A CN106993146A (en) | 2016-01-21 | 2016-01-21 | Control method, control device, projector |
| PCT/CN2016/081435 WO2016188316A1 (en) | 2016-01-21 | 2016-05-09 | Control method, control device, projector and computer-readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610042181.3A CN106993146A (en) | 2016-01-21 | 2016-01-21 | Control method, control device, projector |
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| Publication Number | Publication Date |
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| CN106993146A true CN106993146A (en) | 2017-07-28 |
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| CN201610042181.3A Withdrawn CN106993146A (en) | 2016-01-21 | 2016-01-21 | Control method, control device, projector |
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| CN (1) | CN106993146A (en) |
| WO (1) | WO2016188316A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471541A (en) * | 2018-10-09 | 2019-03-15 | 深圳市奥拓电子股份有限公司 | Air mouse method for tracing, system and storage medium based on virtual screen |
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| US20060082733A1 (en) * | 2004-10-19 | 2006-04-20 | Casio Computer Co., Ltd. | Projector apparatus, display output method and display output program |
| CN101714032A (en) * | 2009-08-21 | 2010-05-26 | 谭登峰 | Device for processing optical control information |
| CN102654811A (en) * | 2011-05-27 | 2012-09-05 | 上海华博信息服务有限公司 | Interaction control method and device based on laser pen |
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| CN109471541A (en) * | 2018-10-09 | 2019-03-15 | 深圳市奥拓电子股份有限公司 | Air mouse method for tracing, system and storage medium based on virtual screen |
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| WO2016188316A1 (en) | 2016-12-01 |
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