CN103135805B - A kind of switched system of project near point control and Long-distance Control and method - Google Patents
A kind of switched system of project near point control and Long-distance Control and method Download PDFInfo
- Publication number
- CN103135805B CN103135805B CN201310045211.2A CN201310045211A CN103135805B CN 103135805 B CN103135805 B CN 103135805B CN 201310045211 A CN201310045211 A CN 201310045211A CN 103135805 B CN103135805 B CN 103135805B
- Authority
- CN
- China
- Prior art keywords
- host computer
- point
- mode
- laser pen
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Position Input By Displaying (AREA)
Abstract
The invention provides a kind of switched system and method for project near point control and Long-distance Control, wherein containing two kinds of handoff techniques: wireless signal method and light spot form method, described wireless signal method by arranging a wireless launcher in laser pen, host computer receives the wireless signal sent from wireless launcher, then automatically its mode of operation is switched to distance control mode; Described light spot form rule obtains the luminous point image information sent from laser pen or point-touch pen by an image acquiring device, and by this information transmission to host computer, judge in host computer to show that this dot pattern picture derives from laser pen or point-touch pen, host computer then switches to corresponding mode of operation according to the result judged.This system and method achieves the near point control of projection and the automatic switchover of Long-distance Control by using above-mentioned two kinds of technical methods, and simplicity of design of the present invention, cost is low, and can be applied to various scene, easy to use.
Description
Technical field
The present invention relates to projection imaging field, particularly relate to a kind of switched system and method for project near point control and Long-distance Control.
Background technology
In traditional projector, projection can only simply as a display device, undertaken demonstrating some interactive functions by electronic whiteboard and some laser pens with simple functions, such as beat on the projection screen as prompting by the luminous point of visible light lasers pen, this is very common in PPT demonstration, realized the page turning of PPT by the mouse page-turning function button on laser pen, realize by electronic whiteboard functions such as painting on screen.This traditional projector only possesses very basic interactive function, and such as number of patent application is: 201120302737.0, and name is called: projection teaching blackboard, is exactly a kind of traditional projection interactive device realized by touch pad and felt pen.
And the projection of a new generation has possessed interaction function, realized near point and control and Long-distance Control, near point controls to realize a touch function on the projection screen by sightless infrared point stylus, and Long-distance Control is exactly the function being realized analog mouse by laser pen.At number of patent application be: 201110117009.7, name is called: in projector's supervisory system and method, realizing a kind of near point and tap control technology, obtaining coordinate and then realization click and double-click interactive operation to projector by the shape calculating shooting image by transmitting control signal; At number of patent application: 201110140977.X, name is called: in a kind of interactive control method based on laser pen and device, achieve the interactive control technology of a laser pen, obtain laser spots image by camera shooting laser pen luminous point, then translate into computer instruction; At number of patent application be: 201120564916.1, name is called: in laser pen writing device, sends wireless signal to signal receiver, be identified as write or remote signal by computing machine by laser pen.
But in the interaction of a new generation, such as above-mentioned four patents are the operation being realized near point or Long-distance Control by various technology, near point control and Long-distance Control are two kinds of different interactive modes, near point controls to be similar to a projection screen as a touch screen, touch operation can be realized on the projection screen by point-touch pen, and Long-distance Control is by right and left key button analog mouse operation on laser pen and laser pen, these two kinds of modes can not use simultaneously, need a kind of technology to realize automatic switchover mode.In existing technology, majority can only realize a kind of duty of pattern, or realizing near point controls, or realizes Long-distance Control, freely cannot switch in both modes, limit the interactive application in projection.
In view of this, prior art haves much room for improvement and improves.
Summary of the invention
In view of the deficiencies in the prior art, the object of the invention is the switched system and the method that provide a kind of project near point control and Long-distance Control, this system and method is by using wireless signal technology and luminous point image processing techniques, realize the switching automatically near point control and Long-distance Control two kinds of patterns, add the interactivity of interaction.
Technical scheme of the present invention is as follows:
A switched system for the near point that projects control and Long-distance Control, wherein, comprises a projector, a projection screen, a host computer, a radio receiver, a point-touch pen, a laser pen and an image received device;
Described projector for forming visible image by image projection on described projection screen;
Described projection near point controls and the changing method of Long-distance Control comprises wireless signal method and light spot form method;
When described handoff technique is chosen as wireless signal method, this wireless signal for receiving the wireless signal sent from wireless launcher built-in in laser pen, and is sent to the host computer be attached thereto by described radio receiver; Described host computer according to its receive from the information in radio receiver, automatically its mode of operation is switched near point control or distance control mode;
When described handoff technique is chosen as light spot form method, in the luminous point image information that described image acquiring device sends from laser pen and point-touch pen for real-time reception, and by this information transmission to being attached thereto the host computer connect; Its mode of operation is switched near point control model or distance control mode according to analysis result after carrying out analyzing and processing to the luminous point image information that it receives by described host computer automatically.
The switched system of described projection near point control and Long-distance Control, wherein, when described laser pen is in opening, described wireless launcher sends wireless signal according to certain frequency, described radio receiver receives described wireless signal, and by this transmission of wireless signals to host computer, after host computer obtains the information of described wireless signal, automatically its mode of operation is switched to distance control mode; When laser pen is in closed condition, then mode of operation is switched near point control model by host computer.
The switched system of described projection near point control and Long-distance Control, wherein, the luminous point image information that image acquiring device sends for obtaining laser pen or point-touch pen, and this luminous point image information is uploaded to host computer, image processing apparatus in described host computer carries out analyzing and processing to it, judge that the image sources of this luminous point is in laser pen or point-touch pen, if the result judged is as deriving from laser pen, automatically its mode of operation is switched to distance control mode, otherwise its operational module is switched near point control model.
The switched system of described projection near point control and Long-distance Control, wherein, described laser pen comprises a laser hole drilling illuminator, a wireless launcher and power management module and battery, and in insulator shell, laser hole drilling illuminator, wireless launcher and power management module are connected successively with battery.
The switched system of described projection near point control and Long-distance Control, wherein, described point-touch pen comprises an infrared illuminator, an infrared lamp switch and an internal battery, and described infrared lamp switch is for controlling infrared illuminator, and described infrared illuminator, infrared lamp switch are connected successively with internal battery.
The switched system of described projection near point control and Long-distance Control, wherein, described image acquiring device is an infrared camera being provided with infrared filter disc.
A changing method for the near point that projects control and Long-distance Control, wherein, the method comprises wireless signal method and light spot form method, comprises the following steps when using wireless signal method:
A1, projector for forming visible image by image projection on described projection screen;
This signal for receiving the wireless signal sent from wireless launcher built-in in laser pen, and is sent to host computer by B1, the radio receiver that is connected with host computer;
If C1, described host computer receive from the wireless signal information in described radio receiver, automatically its mode of operation is switched to distance control mode, otherwise its mode of operation is switched to local control pattern;
D1, when the mode of operation of host computer be near point control time, the operational order that then projector sends according to point-touch pen shows the content projected on projection screen, and the operational order that then projector sends according to laser pen when the mode of operation of host computer is Long-distance Control shows the content projected on projection screen;
When using light spot form method, comprise the following steps:
A2, projector for forming visible image by image projection on described projection screen;
The luminous point image information that B2, image acquiring device real-time reception send from laser pen and point-touch pen, and by this information transmission to being attached thereto the host computer connect;
C2, described host computer carry out analyzing and processing to the luminous point image information that it receives, and automatically its mode of operation are switched near point control model or distance control mode according to analysis result.
D2, when the mode of operation of host computer be near point control time, the operational order that then projector sends according to point-touch pen shows the content projected on projection screen, and the operational order that then projector sends according to laser pen when the mode of operation of host computer is Long-distance Control shows the content projected on projection screen.
The changing method of described projection near point control and Long-distance Control, wherein, in above-mentioned steps B1, when laser pen is opened, then the wireless launcher in laser pen is with certain frequency wireless signal emission; If laser pen is in closed condition, the wireless launcher in laser pen stops wireless signal emission, and described host computer does not receive the wireless signal information from sending in radio receiver, then automatically its mode of operation is switched near point control model.
The changing method of described projection near point control and Long-distance Control, wherein, in above-mentioned steps B2, described luminous point image information is the shape information that laser pen and point-touch pen send luminous point.
The changing method of described projection near point control and Long-distance Control, wherein, described image acquiring device is an infrared camera being provided with infrared filter disc.
Beneficial effect: the switched system of a kind of project near point control and Long-distance Control of the present invention, achieve interaction by using two kinds of different technology and can support two kinds of interactive modes simultaneously: near point controls and Long-distance Control, while the interactivity adding optical projection system and user, simplicity of design of the present invention, be easy to realize, various scene can be applied to, for user provides conveniently.
Accompanying drawing explanation
Fig. 1 is the principle assumption diagram of the switched system of a kind of project near point control and Long-distance Control of the present invention.
Fig. 2 is the best applications embodiment schematic diagram of the switched system of a kind of project near point control and Long-distance Control of the present invention.
Fig. 3 a is the method flow diagram of wireless signal method in the changing method of projection near point of the present invention control and Long-distance Control.
Fig. 3 b is the method flow diagram of light spot form method in the changing method of projection near point of the present invention control and Long-distance Control.
Embodiment
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be illustrated in figure 1 the principle assumption diagram of the switched system of a kind of project near point control and Long-distance Control provided by the invention, comprise within the system with lower module:
A switched system for the near point that projects control and Long-distance Control, wherein, comprises projector 200, projection screen 400, host computer 100, radio receiver 500, point-touch pen 700, laser pen 600 and an image received device 610;
Described projector 200 for forming visible image by image projection on described projection screen 400;
The changing method of described projection near point control and Long-distance Control comprises wireless signal method and light spot form method two kinds in the present invention.
When described handoff technique is chosen as wireless signal method, received the wireless signal sent from wireless launcher 610 built-in in laser pen 600 by radio receiver 500, and this signal is sent to the host computer 100 be attached thereto; Described host computer 100 according to its receive from the information in radio receiver 500, automatically its mode of operation is switched near point control or distance control mode.
When described handoff technique is chosen as light spot form method, in the luminous point image information that described image acquiring device sends from laser pen 600 and point-touch pen 700 for real-time reception, and by this information transmission to being attached thereto the host computer 100 connect; Its mode of operation is switched near point control model or distance control mode according to analysis result after carrying out analyzing and processing to the luminous point image information that it receives by described host computer 100 automatically.
Concrete, described wireless signal method is when embody rule, when described laser pen is in opening, described wireless launcher sends wireless signal according to certain frequency, the described wireless signal of reception that described radio receiver is real-time, and by this transmission of wireless signals to host computer, after host computer obtains the information of this wireless signal, default user is now wanted to use laser pen to carry out Long-distance Control to projector, then automatically its mode of operation is switched to distance control mode;
If laser pen is in closed condition, the wireless launcher be then provided at its inner portion stops sending wireless signal, radio receiver cannot receive the wireless signal from laser pen inside, then host computer does not receive the wireless signal that wireless launcher sends, then mode of operation is switched near point control model by it, i.e. point-touch pen near point control model.
If when selecting light spot form method to carry out the switching of the control of projection near point and Long-distance Control in said system, the then dot pattern picture that sends for obtaining laser pen or point-touch pen of image acquiring device, and the luminous point image information obtained uploads to host computer, image processing apparatus in described host computer carries out analyzing and processing to it, judge that the image sources of this luminous point is in laser pen or point-touch pen by the shape of this luminous point, if the result judged is as deriving from laser pen, automatically its mode of operation is switched to distance control mode, otherwise its operational module is switched near point control model.
Preferably, wherein, described laser pen comprises a laser hole drilling illuminator, a wireless launcher and power management module and battery, and in insulator shell, laser hole drilling illuminator, wireless launcher and power management module are connected successively with battery.
Wherein, described point-touch pen comprises an infrared illuminator, an infrared lamp switch and an internal battery, and described infrared lamp switch is for controlling infrared illuminator, and described infrared illuminator, infrared lamp switch are connected successively with internal battery.
Fig. 2 is the switched system best applications embodiment schematic diagram of a kind of project near point control and Long-distance Control provided by the invention.Shown in Fig. 2, system of the present invention has in enforcement, if choice for use wireless signal method carries out the switching of the control of projection near point and Long-distance Control, then concrete, first projector 30 is used by information projection on projection screen 40, containing a wireless launcher in described laser pen 60, when this laser pen is in opening, the wireless launcher be provided at its inner portion sends wireless signal according to certain frequency.Described radio receiver 50 carrys out for receiving this wireless signal that wireless launcher since then sends, and send this wireless signal information to host computer 10, after host computer 10 obtains this wireless signal, then automatically its mode of operation is switched to distance control mode.If this laser pen is in closed condition, then the wireless launcher be arranged on wherein stops wireless signal emission, and host computer 10 does not receive wireless signal information, then automatically its mode of operation is switched near point control model.Projector 30 shows the content that it projects according to the mode of operation of host computer 10.
If choice for use light spot form method, one is then used on camera, to be provided with the infrared camera 20 of infrared filter disc as image acquiring device, this infrared camera 20 is used to obtain the dot pattern picture sent from laser pen 60 and point-touch pen 70, and the luminous point image information obtained sends to the host computer 10 be attached thereto, containing image processing function in this host computer, analyzing and processing is carried out to the luminous point image information that it obtains, judges that this dot pattern picture is from laser pen or point-touch pen.
In a particular embodiment, by modifying to the light ejection hole by the nib to laser pen 60, the luminous point that laser pen 60 is got has special shape, such as square, hollow, triangle, or change the size of point-touch pen 70 shaven head, the luminous point making point-touch pen 70 be transmitted on screen is larger than the spot definition of laser pen 60.The infrared filter disc of camera fit on of infrared camera 20, catch the image containing luminous point, pass to host computer 10, this host computer 10 is point-touch pen or laser pen by what identify that the size of luminous point or shape judge work at present, thus carries out switching working mode.
The switched system of a kind of project near point control and Long-distance Control provided by the invention, wherein containing two kinds of handoff techniques: wireless signal method and light spot form method, described wireless signal method arranges a wireless launcher by adopting in laser pen, the wireless signal receiver be connected with host computer receives the wireless signal that sends from this wireless launcher and is transferred to host computer, then its mode of operation is switched to distance control mode by described host computer; Described light spot form rule obtains the luminous point image information sent from laser pen or point-touch pen by an image acquiring device, and by this information transmission to host computer, host computer judges to show that this dot pattern picture derives from laser pen or point-touch pen, and host computer then switches to corresponding mode of operation according to the result judged.This system achieves the near point control of projection and the automatic switchover of Long-distance Control by using above-mentioned two kinds of technical methods, simplicity of design of the present invention, cost is low, various scene can be applied to, easy to use, and present invention achieves interaction and can support two kinds of interactive modes simultaneously: near point controls and Long-distance Control, has enriched the interactive mode of interaction.
Present invention also offers a kind of changing method of project near point control and Long-distance Control, the method comprises wireless signal method and light spot form method two kinds of technical methods.
As shown in Figure 3 a, comprise the following steps when using wireless signal method:
A1, projector for forming visible image by image projection on described projection screen.
Projector is by image projection on described projection screen, and described projector is connected with a host computer, and is controlledly formed on this host computer.
This signal for receiving the wireless signal sent from wireless launcher built-in in laser pen, and is sent to host computer by B1, the radio receiver that is connected with host computer.
When laser pen is in opening, the wireless launcher of its inside launches wireless signal according to certain frequency, and radio receiver receives this wireless signal and this signal message is sent to host computer.
If C1, described host computer receive from the wireless signal information in described radio receiver, automatically its mode of operation is switched to distance control mode, otherwise its mode of operation is switched to local control pattern.
Upper calculating receives this wireless signal information from laser pen, judge this laser pen source opening, then judge that user is enabling laser pen as projection tools, then its mode of operation is switched to distance control mode by this host computer automatically, i.e. laser pen mode of operation.
If laser pen is in closed condition in above-mentioned steps B1, then host computer can not obtain wireless signal, and it judges that user does not open laser pen, carries out corresponding projection operation at use point-touch pen, then automatically its mode of operation is switched near point control model, i.e. point-touch pen mode of operation.
D1, when the mode of operation of host computer be near point control time, the operational order that then projector sends according to point-touch pen shows the content projected on projection screen, when the mode of operation of host computer is Long-distance Control, then the operational order that projector sends according to laser pen shows the content projected on projection screen.
As shown in Figure 3 b, when using light spot form method, following methods step is comprised:
A2, projector for forming visible image by image projection on described projection screen.
The luminous point image information that B2, image acquiring device real-time reception send from laser pen and point-touch pen, and by this information transmission to being attached thereto the host computer connect.
The luminous point image information that the real-time reception of image acquiring device sends from laser pen and point-touch pen, described luminous point image information is the shape information that laser pen and point-touch pen send luminous point.
Before use this method, first need to modify to the nib of laser pen or the light ejection hole of point-touch pen nib, the luminous point that laser pen or point-touch pen are sent has special shape, or change the size of laser pen or point-touch pen shaven head, point-touch pen is made to beat the luminous point on screen larger than the spot definition of laser pen, thus reach the luminous point image information that laser pen and point-touch pen send and have very large difference, thus be easier to use image processing apparatus to identify luminous point image information.
C2, described host computer carry out analyzing and processing to the luminous point image information that it receives, and automatically its mode of operation are switched near point control model or distance control mode according to analysis result.
Host computer carries out analyzing and processing according to the difference of its size or the difference of shape to it to its luminous point image information received, judge that its luminous point obtained is from laser pen or point-touch pen, if this luminous point is from laser pen, automatically its mode of operation is switched to distance control mode, if this luminous point is from point-touch pen, automatically its mode of operation is switched near point control model.
D2, when the mode of operation of host computer be near point control time, the operational order that then projector sends according to point-touch pen shows the content projected on projection screen, and the operational order that then projector sends according to laser pen when the mode of operation of host computer is Long-distance Control shows the content projected on projection screen.
The changing method of described projection near point control and Long-distance Control, wherein, in above-mentioned steps B1, when laser pen is opened, then the wireless launcher in laser pen is with certain frequency wireless signal emission; If laser pen is in closed condition, the wireless launcher in laser pen stops wireless signal emission, and described host computer does not receive the wireless signal information from sending in radio receiver, then automatically its mode of operation is switched near point control model.
Preferably, in a particular embodiment, described image acquiring device selects an infrared camera camera being provided with infrared filter disc.
Switched system and the method for a kind of project near point control and Long-distance Control provided by the invention are based on computer vision technique, wireless communication technique, realize the switching automatically near point control and Long-distance Control two kinds of patterns, compared with prior art, the present invention can switching working mode automatically, accurately and fast, method is simple, be easy to realize, not only can be applied to interactive projector equipment, also can apply in other similar devices.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. a switched system for the near point that projects control and Long-distance Control, is characterized in that, comprise a projector, a projection screen, a host computer, a radio receiver, a point-touch pen, a laser pen and an image received device;
Described projector for forming visible image by image projection on described projection screen;
Described projection near point controls and the changing method of Long-distance Control comprises wireless signal method and light spot form method;
When described changing method is chosen as wireless signal method, this wireless signal for receiving the wireless signal sent from wireless launcher built-in in laser pen, and is sent to the host computer be attached thereto by described radio receiver; Described host computer according to its receive from the information in radio receiver, automatically its mode of operation is switched near point control or distance control mode;
When described changing method is chosen as light spot form method, in the luminous point image information that image acquiring device sends from laser pen and point-touch pen for real-time reception, and by this information transmission to being attached thereto the host computer connect; Its mode of operation is switched near point control model or distance control mode according to analysis result after carrying out analyzing and processing to the luminous point image information that it receives by described host computer automatically;
The luminous point image information that image acquiring device sends for obtaining laser pen or point-touch pen, and this luminous point image information is uploaded to host computer, image processing apparatus in described host computer carries out analyzing and processing to it, judge that the image sources of this luminous point is in laser pen or point-touch pen, if the result judged is as deriving from laser pen, automatically its mode of operation is switched to distance control mode, otherwise its operational module is switched near point control model;
Described image acquiring device is an infrared camera being provided with infrared filter disc, described infrared filter disc is for catching the image containing luminous point, pass to described host computer, what described host computer judged work at present by the size or shape identifying described luminous point is point-touch pen or laser pen, thus carries out switching working mode.
2. the switched system of near point control and the Long-distance Control of projecting according to claim 1, it is characterized in that, when described laser pen is in opening, described wireless launcher sends wireless signal according to certain frequency, described radio receiver receives described wireless signal, and by this transmission of wireless signals to host computer, after host computer obtains the information of described wireless signal, automatically its mode of operation is switched to distance control mode; When laser pen is in closed condition, then mode of operation is switched near point control model by host computer.
3. according to the switched system of project described in claim 1 or 2 near point control and Long-distance Control, it is characterized in that, described laser pen comprises a laser hole drilling illuminator, a wireless launcher and power management module and battery, and in insulator shell, laser hole drilling illuminator, wireless launcher and power management module are connected successively with battery.
4. the switched system of near point control and the Long-distance Control of projecting according to claim 1, it is characterized in that, described point-touch pen comprises an infrared illuminator, an infrared lamp switch and an internal battery, described infrared lamp switch is for controlling infrared illuminator, and described infrared illuminator, infrared lamp switch are connected successively with internal battery.
5. a changing method for the near point that projects control and Long-distance Control, it is characterized in that, the method comprises wireless signal method and light spot form method, comprises the following steps when using wireless signal method:
A1, projector are used for image projection to form visible image on the projection screen;
This signal for receiving the wireless signal sent from wireless launcher built-in in laser pen, and is sent to host computer by B1, the radio receiver that is connected with host computer;
If C1, described host computer receive from the wireless signal information in described radio receiver, automatically its mode of operation is switched to distance control mode, otherwise its mode of operation is switched to local control pattern;
D1, when the mode of operation of host computer be near point control time, the operational order that then projector sends according to point-touch pen shows the content projected on projection screen, and the operational order that then projector sends according to laser pen when the mode of operation of host computer is Long-distance Control shows the content projected on projection screen;
When using light spot form method, comprise the following steps:
A2, projector for forming visible image by image projection on described projection screen;
The luminous point image information that B2, image acquiring device real-time reception send from laser pen and point-touch pen, and by this information transmission to being attached thereto the host computer connect;
C2, described host computer carry out analyzing and processing to the luminous point image information that it receives, and automatically its mode of operation are switched near point control model or distance control mode according to analysis result;
D2, when the mode of operation of host computer be near point control time, the operational order that then projector sends according to point-touch pen shows the content projected on projection screen, and the operational order that then projector sends according to laser pen when the mode of operation of host computer is Long-distance Control shows the content projected on projection screen;
Described image acquiring device is an infrared camera being provided with infrared filter disc, described infrared filter disc is for catching the image containing luminous point, pass to described host computer, what described host computer judged work at present by the size or shape identifying described luminous point is point-touch pen or laser pen, thus carries out switching working mode.
6. the changing method of near point control and the Long-distance Control of projecting according to claim 5, it is characterized in that, in above-mentioned steps B1, when laser pen is opened, then the wireless launcher in laser pen is with certain frequency wireless signal emission; If laser pen is in closed condition, the wireless launcher in laser pen stops wireless signal emission, and described host computer does not receive the wireless signal information from sending in radio receiver, then automatically its mode of operation is switched near point control model.
7. the changing method of near point control and the Long-distance Control of projecting according to claim 5, it is characterized in that, in above-mentioned steps B2, described luminous point image information is the shape information that laser pen and point-touch pen send luminous point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310045211.2A CN103135805B (en) | 2013-02-05 | 2013-02-05 | A kind of switched system of project near point control and Long-distance Control and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310045211.2A CN103135805B (en) | 2013-02-05 | 2013-02-05 | A kind of switched system of project near point control and Long-distance Control and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103135805A CN103135805A (en) | 2013-06-05 |
| CN103135805B true CN103135805B (en) | 2016-01-06 |
Family
ID=48495733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310045211.2A Active CN103135805B (en) | 2013-02-05 | 2013-02-05 | A kind of switched system of project near point control and Long-distance Control and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103135805B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425409B (en) * | 2013-07-30 | 2017-12-15 | 华为终端（东莞）有限公司 | The control method and device of Projection Display |
| CN109151298B (en) * | 2017-08-15 | 2021-04-16 | 南京仁光电子科技有限公司 | Pan-tilt camera control method, device and system based on screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655175A (en) * | 2004-02-13 | 2005-08-17 | 株式会社日立制作所 | Table type information terminal |
| CN101256457A (en) * | 2008-03-10 | 2008-09-03 | 清华大学 | Wireless control laser pen with user identification as well as multiuser light spot recognition system |
| CN201340598Y (en) * | 2009-01-16 | 2009-11-04 | 深圳市巨龙科教高技术股份有限公司 | Interactive electronic whiteboard |
| CN101714044A (en) * | 2009-12-24 | 2010-05-26 | 广东威创视讯科技股份有限公司 | Camera positioning-based touch screen system |
| CN102253737A (en) * | 2011-05-31 | 2011-11-23 | 王石 | Screen-vision mouse system and realizing method thereof |
| CN202110514U (en) * | 2011-03-23 | 2012-01-11 | 上海优熠电子科技有限公司 | Touch screen having ultrasonic and infrared touch functions |
| CN102495697A (en) * | 2011-12-06 | 2012-06-13 | 无锡海森诺科技有限公司 | Automatic calibration method and system based on camera type touch control device |
-
2013
- 2013-02-05 CN CN201310045211.2A patent/CN103135805B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655175A (en) * | 2004-02-13 | 2005-08-17 | 株式会社日立制作所 | Table type information terminal |
| CN101256457A (en) * | 2008-03-10 | 2008-09-03 | 清华大学 | Wireless control laser pen with user identification as well as multiuser light spot recognition system |
| CN201340598Y (en) * | 2009-01-16 | 2009-11-04 | 深圳市巨龙科教高技术股份有限公司 | Interactive electronic whiteboard |
| CN101714044A (en) * | 2009-12-24 | 2010-05-26 | 广东威创视讯科技股份有限公司 | Camera positioning-based touch screen system |
| CN202110514U (en) * | 2011-03-23 | 2012-01-11 | 上海优熠电子科技有限公司 | Touch screen having ultrasonic and infrared touch functions |
| CN102253737A (en) * | 2011-05-31 | 2011-11-23 | 王石 | Screen-vision mouse system and realizing method thereof |
| CN102495697A (en) * | 2011-12-06 | 2012-06-13 | 无锡海森诺科技有限公司 | Automatic calibration method and system based on camera type touch control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103135805A (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9013403B2 (en) | Remote controlling of mouse cursor functions of a computer device | |
| CN101887315B (en) | Electronic intelligent pen | |
| CN103150932B (en) | A kind of real object video showing method with network function | |
| CN102945091B (en) | A kind of man-machine interaction method based on laser projection location and system | |
| CN203012636U (en) | Man-machine interactive system based on laser projection positioning | |
| CN202600639U (en) | Laser pointer for remotely controlling projection picture of projector | |
| CN102693047A (en) | Providing position information in a collaborative environment | |
| CN101963846B (en) | Optical pen | |
| JP6307889B2 (en) | Display device, display system, and display method | |
| CN107240317A (en) | A kind of utilization AR realizes the method and apparatus of long-distance education | |
| CN100527783C (en) | Method of direct screen writing for television system distant end | |
| CN103135805B (en) | A kind of switched system of project near point control and Long-distance Control and method | |
| CN109388321A (en) | The operating method and device of electronic whiteboard | |
| CN202735987U (en) | Infrared positioning and wireless control type interactive projection system | |
| CN109814770A (en) | Cursor positioning method, alternative projection device and educational system | |
| CN103729097B (en) | The method simultaneously supporting to write in white board projection area and outside projected area | |
| CN103295428A (en) | Laser teaching interaction system | |
| CN101290706A (en) | Wireless remote control system and its wireless remote controller | |
| CN211427558U (en) | Interactive projection type remote education system | |
| CN107665613A (en) | A kind of intelligent blackboard | |
| CN109814740B (en) | Interactive intelligent painting and calligraphy equipment and interactive method | |
| CN203608279U (en) | Miniature projector | |
| CN207182708U (en) | A kind of equipment that long-distance education is realized using AR | |
| CN105657187A (en) | Visible light communication method and system and equipment | |
| CN102200849A (en) | Dual-mode control method of wireless location type touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |