CN102375622B - Virtual electronic whiteboard device - Google Patents
Virtual electronic whiteboard device Download PDFInfo
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- CN102375622B CN102375622B CN201110336523.XA CN201110336523A CN102375622B CN 102375622 B CN102375622 B CN 102375622B CN 201110336523 A CN201110336523 A CN 201110336523A CN 102375622 B CN102375622 B CN 102375622B
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- light source
- virtual electronic
- electronic whiteboard
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- line
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- 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Image Input (AREA)
- Drawing Aids And Blackboards (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a virtual electronic whiteboard device, which is used for realizing the function of a touch screen on a display plane. The virtual electronic whiteboard device comprises a linear light source and an image information processing device, wherein the linear light source is provided with a camera; the linear light source is arranged on the display plane, so that a light touch surface formed by light rays emitted by the linear light source is parallel to and infinitely close to but is not contacted with the display plane; a visual angle is formed by the camera relative to the display plane, so that an image of the display plane obtained by using the camera is processed by the image information processing device; when a light touch point is formed since the light rays of the light touch surface are blocked by a barrier, the image information processing device is used for judging and recording the position and state of the light touch point in real time through the image obtained by using the camera; and the linear light source at least comprises a light source body. According to the virtual electronic whiteboard device, the linear light source is integrated with the camera, a linear light surface is realized by using one linear light source, and convenience is brought to installation and debugging.
Description
Technical field
The invention belongs to touch display technique field, particularly a kind of virtual electronic whiteboard device.
Background technology
Existing Virtual Electronic White Board generally adopts camera and infrared pen to realize, if application number is the technical scheme disclosed in the Chinese patent application of 200810024947.0.The summary of the invention of this application is: " the present invention; by adopting a kind of apparatus and method producing touch-sensitive light spots in the plane; make the electronic whiteboard of photoelectric technology really can become touch-screen also can transform the displays such as plasma, liquid crystal, rear-projection as touch-screen by photoelectric technology simultaneously.
The object of the present invention is achieved like this: the apparatus and method producing touch-sensitive light spots in the plane, comprise at least one linear laser generating means, it is characterized in that, one or more laser beam emitting device that can produce linear laser is placed in the outside of plane induction region, the plane that the linear beam that laser beam emitting device is launched is formed presses close to plane induction region and parallel with it, when other objects form touching plane induction zone, plane side from line-like laser beam flux, will get on obstructing objects because of laser, position on plane induction zone corresponding to obstructing objects forms one or more hot spot.
Described linear laser generating means, it is characterized in that it can being linear laser transmitter, or point-like laser device produces the device of linear laser effect by other means.
Described plane induction region, is characterized in that, the level that plane surface is enough, ensure laser beam plane parallel with induction region plane press close to time can not in the plane to laser optical path formed hinder.
Described linear laser generating means, is characterized in that, when using multiple generating device of laser, the line-like laser beam flux that each device need be made to launch is in same plane.
The described apparatus and method producing touch-sensitive light spots in the plane, it is characterized in that, by arranging many group linear laser generating meanss at planar outboard diverse location, multiple object can be ensured and can both produce hot spot close to the position corresponding to each object when plane induction region simultaneously, and certain object wherein can not be made because object blocks mutually cannot to be shone by laser and hot spot cannot be formed in relevant position.
The described apparatus and method producing touch-sensitive light spots in the plane, it is characterized in that, due to linear laser, may to there is photocentre position light stronger, and be that the brightness of center of circle ambient light can be slightly weak successively with photocentre, and block the far and near different hot spot brightness formed of object distance generating device of laser and have difference, when arranging generating device of laser position, need according to the Luminance Distribution of plane glazing, when making all position formation hot spots on induction planes, hot spot brightness ratio is more homogeneous as far as possible ".
But Virtual Electronic White Board of the prior art or camera Installation and Debugging inconvenience, or multiple line source is needed to realize.
Summary of the invention
The object of this invention is to provide a kind of virtual electronic whiteboard device, make user not need infrared pen, and electronic whiteboard function easy for installation.
Technical scheme of the present invention is, a kind of virtual electronic whiteboard device, and in order to realize the function of touch-screen on display plane, comprise a line source and image information processing device, this line source is provided with a camera,
Described line source is placed on described display plane, and light that the light that this line source is launched is formed touches face and is parallel to and infinite approach but do not touch described display plane,
Camera to the image of the described display plane that the visual angle that described display plane is formed makes described camera obtain by described image information processing device process,
When light touch the light in face be obscured by an obstacle define light touch point time, the position of light touch point described in the real-time interpretation record of image that described image information processing device is obtained by described camera and state.
Described line source at least comprises 1 light source body.
Preferably, described line source comprises fan-shaped 2 uniform light source bodies, and the light face that the light beam that this line source is penetrated is formed covers whole display plane.
Preferably, the adjustable angle for display plane of described camera.
Preferably, described camera is rotationally connected by a telescopic support bar and described line source.
Preferably, described light source body adopts generating laser.
A kind of virtual electronic whiteboard device, comprise line source, camera and support bar, one end line light source of support bar, the other end connects camera,
Described First Line light source comprises at least one light source body, this light source body is installed on the liner plate held by base plate, base plate is fixed in framework by 4 bolts, this framework and support, bracket and cover plate closely sealed, bracket is provided with knob, for the adjustment to support bar angle, bracket also comprises database, be connected with light source body by wire harness, support bar is Collapsible structure, and camera has angle adjustable structure.
Preferably, First Line light source comprises optical filter, filters in order to the ray for light source body.
A kind of virtual electronic whiteboard device, comprise the second line source, camera and support bar, one end of support bar connects the second line source, and the other end connects camera,
Second line source comprises at least one light source body,
Also comprise the second blank, the upper area of the second blank has blank groove surface, and this groove surface has recessed groove surface step, for installing the second line source.
The back shroud internal symmetry of the second line source installs at least 2 light source bodies, and is close to heat radiator is housed.
The back shroud of the second line source has the first installed surface and the second installed surface, has raised step between the first installed surface and the second installed surface, coordinates the recessed groove surface step of the groove surface of the second blank, in order to firmly to install the second line source.
Back shroud has shading surface, between the shading surface of back shroud and the second installed surface of back shroud, there is ray step, after in the blank groove surface that described second line source is installed on the second blank, ray step makes the whiteboard surface of the shading surface of back shroud and the second blank form the second line source to launch gap, prevent the effect weakening of ray.
Second line source has optical filter, preferably, can be arc shape.
Described support bar is Collapsible structure.
Described camera has angle adjustable structure.
Second line source comprises database, is connected with light source body by wire harness.
The back shroud inside of the second line source has reinforcement structure.
Second line source has standard computer data-interface.
Present invention achieves the integrated of line source and camera, only use a line source to achieve linear light face, facilitate Installation and Debugging, namely the external unit without the need to complexity achieves the function of Virtual Electronic White Board.
Accompanying drawing explanation
Fig. 1 is device first embodiment of the present invention angle schematic perspective view
Wherein, 1---virtual electronic whiteboard device
2---First Line light source
3---camera
4---support bar
Fig. 2 is another angle schematic perspective view of device first embodiment of the present invention
Fig. 3 is the side view of device first embodiment of the present invention
Fig. 4 is the perspective exploded view of an angle of the linear light source module 2 of device first embodiment of the present invention
Wherein, 201---optical filter
202---light source body
203---liner plate
204---framework
205---bolt
206---base plate
207---support
208---bracket
209---cover plate
210---knob
Fig. 5 is the perspective exploded view of another angle of the linear light source module 2 of device first embodiment of the present invention
Wherein, 211---database
Fig. 6 is the composition schematic perspective view of the parts in device first embodiment middle frame 204 of the present invention
Wherein, 212---wire harness
Fig. 7 be apparatus of the present invention first embodiment install and use schematic diagram
Wherein, 5---display plane
Fig. 8 is know-why schematic diagram of the present invention
Wherein, 6---the light face that light beam is formed
7---luminous point
Fig. 9 is device schematic perspective view in second embodiment of the invention
Wherein, 31---the second virtual electronic whiteboard device
32---the second line source
Device decomposing schematic representation in Figure 10 second embodiment of the invention
Wherein, 8---the second blank
82---blank groove surface
Device side view in Figure 11 second embodiment of the invention
Wherein, 9---the second line source launches gap
Device vertical view in Figure 12 second embodiment of the invention
81---blank groove surface step
321---the second line source back side raised step
In Figure 13 second embodiment of the invention, device is from the stereographic map of another angle
Second line source 32 schematic perspective view in device in Figure 14 second embodiment of the invention
Wherein, 320---back shroud
Second line source 32 schematic perspective view in device in Figure 15 second embodiment of the invention
Wherein, 322---the first installed surface of back shroud 320
323---the second installed surface of back shroud 320
326---the shading surface of back shroud 320
327---the ray step between the shading surface of back shroud 320 and the second installed surface of back shroud 320
Second line source 32 three-dimensional exploded view in device in Figure 16 second embodiment of the invention
324---heat radiator
325---the reinforcement structure of back shroud 320
The schematic diagram of heat radiator 324 is not had in device in back shroud 320 in Figure 17 second embodiment of the invention
The schematic diagram of heat radiator 324 is installed in back shroud 320 in device in Figure 18 second embodiment of the invention
Embodiment
First embodiment
Composition graphs 1 ~ Fig. 6, virtual electronic whiteboard device of the present invention, comprises line source 2, camera 3 and support bar 4, one end line light source 2 of support bar 4, and the other end connects camera 3,
Described First Line light source 2 comprises at least one light source body 202 and optical filter 201, this light source body 202 is installed on the liner plate 203 held by base plate 206, base plate 206 is fixed in framework 204 by 4 bolts 205, this framework 204 is closely sealed with support 207, bracket 208 and cover plate 209, bracket 208 is provided with knob 210, for the adjustment to support bar 4 angle, bracket 208 also comprises database 211, be connected with light source body 202 by wire harness 212, support bar 4 is Collapsible structures, and camera 3 has angle adjustable structure.
After circuit on database 211 deals with view data, transfer to external image information processing device, complete the function of Virtual Electronic White Board.
Fig. 7 be apparatus of the present invention install and use schematic diagram.
As Fig. 8, be know-why schematic diagram of the present invention, the light face 6 formed at light beam when barrier forms luminous point 7, through the acquisition of the view data of camera 3, caught by image information processing device, form the effect as mouse or light pen, achieve the function of Virtual Electronic White Board.
Second embodiment
Composition graphs 9 to Figure 18,9, a kind of virtual electronic whiteboard device, comprise the second line source 32, camera 3 and support bar 4, one end of support bar 4 connects the second line source 32, and the other end connects camera 3,
Second line source 32 comprises at least one light source body 202 and optical filter 201,
The upper area also comprising the second blank 8, second blank 8 has blank groove surface 82, and this groove surface 82 has recessed groove surface step 81, for installing the second line source 32.
Back shroud 320 internal symmetry of the second line source 32 installs at least 2 light source bodies 202, and is close to heat radiator 324 is housed.
The back shroud 320 of the second line source 32 has the first installed surface 322 and the second installed surface 323, between first installed surface 322 and the second installed surface 323, there is raised step 321, coordinate the recessed groove surface step 81 of the groove surface 82 of the second blank 8, in order to firmly to install the second line source 32.During installation, the first installed surface 322 is close to blank groove surface 82, and the whiteboard surface of the second installed surface 323 and the second blank 8 is close to installation.The dimensioned area matching form of the first installed surface 322 dimensioned area shape and groove surface 82 closes, and size and groove surface step 81 matching size of raised step 321 close.
Back shroud 320 has shading surface 326, between the shading surface 326 of back shroud 320 and the second installed surface 323 of back shroud 320, there is ray step 327, after in the blank groove surface 82 that described second line source 32 is installed on the second blank 8, ray step 327 makes the shading surface 326 of back shroud 320 and the whiteboard surface of the second blank 8 form the second line source to launch gap 9, prevent the effect weakening of ray.Launch gap 9 roughly at 2 ~ 3 mm wides.
Second line source 32 has optical filter 201, and is arc shape.
Described support bar 4 is Collapsible structures.
Described camera 3 has angle adjustable structure.
Second line source 32 comprises database 211, is connected with light source body 202 by wire harness 212.
Back shroud 320 inside of the second line source 32 has strengthens structure 325.
Second line source 32 has standard computer data-interface.
The advantage of the device in the second embodiment is, on-the-spot Installation and Debugging are very convenient, solve the problem that ray divergence brings.Light source body 202 can adopt line laser marker to realize.Light source body 202 can be multiple or 1, can adopt symmetrical arrangement.
Claims (15)
1. a virtual electronic whiteboard device, in order to realize the function of touch-screen on display plane, is characterized in that, comprises a line source and image information processing device, and this line source is provided with a camera,
Described line source is placed on described display plane, and light that the light that this line source is launched is formed touches face and is parallel to and infinite approach but do not touch described display plane,
Camera to the image of the described display plane that the visual angle that described display plane is formed makes described camera obtain by described image information processing device process,
When light touch the light in face be obscured by an obstacle define light touch point time, the position of light touch point described in the real-time interpretation record of image that described image information processing device is obtained by described camera and state,
Described line source at least comprises 1 light source body, with optical filter (201), this light source body (202) is installed on the liner plate (203) held by base plate (206), base plate (206) is fixed in framework (204) by 4 bolts (205), this framework (204) and support (207), bracket (208) and cover plate (209) closely sealed, bracket (208) is provided with knob (210), for the adjustment to support bar (4) angle, bracket (208) also comprises database (211), be connected with light source body (202) by wire harness (212), after circuit on database (211) deals with view data, transfer to external image information processing device, complete the function of Virtual Electronic White Board,
The adjustable angle for display plane of described camera,
Described light source body adopts generating laser.
2. a virtual electronic whiteboard device, it is characterized in that, comprise First Line light source (2), camera (3) and support bar (4), one end of support bar (4) connects First Line light source (2), the other end connects camera (3)
Described First Line light source (2) comprises at least 1 light source body (202) and optical filter (201), this light source body (202) is installed on the liner plate (203) held by base plate (206), base plate (206) is fixed in framework (204) by 4 bolts (205), this framework (204) and support (207), bracket (208) and cover plate (209) closely sealed, bracket (208) is provided with knob (210), for the adjustment to support bar (4) angle, bracket (208) also comprises database (211), be connected with light source body (202) by wire harness (212), after circuit on database (211) deals with view data, transfer to external image information processing device, complete the function of Virtual Electronic White Board.
3. virtual electronic whiteboard device as claimed in claim 2, it is characterized in that, described support bar (4) is Collapsible structure.
4. virtual electronic whiteboard device as claimed in claim 2, it is characterized in that, described camera (3) has angle adjustable structure.
5. virtual electronic whiteboard device as claimed in claim 2, it is characterized in that, described First Line light source (2) also comprises optical filter (201), filters in order to the ray for light source body (202).
6. a virtual electronic whiteboard device, it is characterized in that, comprise the second line source (32), camera (3) and support bar (4), one end of support bar (4) connects the second line source (32), the other end connects camera (3)
Second line source (32) comprises at least 1 light source body (202) and optical filter (201), this light source body (202) is installed on the liner plate (203) held by base plate (206), base plate (206) is fixed in framework (204) by 4 bolts (205), this framework (204) and support (207), bracket (208) and cover plate (209) closely sealed, bracket (208) is provided with knob (210), for the adjustment to support bar (4) angle, bracket (208) also comprises database (211), be connected with light source body (202) by wire harness (212), after circuit on database (211) deals with view data, transfer to external image information processing device, complete the function of Virtual Electronic White Board,
Also comprise the second blank (8), the upper area of the second blank (8) has blank groove surface (82), this groove surface (82) has recessed groove surface step (81), for installing the second line source (32).
7. virtual electronic whiteboard device as claimed in claim 6, it is characterized in that, back shroud (320) internal symmetry of the second line source (32) installs at least 2 light source bodies (202), and is close to heat radiator (324) is housed.
8. virtual electronic whiteboard device as claimed in claim 6, it is characterized in that, the back shroud (320) of the second line source (32) has the first installed surface (322) and the second installed surface (323), there is between first installed surface (322) and the second installed surface (323) raised step (321), coordinate the recessed groove surface step (81) of the groove surface of the second blank (8) (82), in order to firmly to install the second line source (32).
9. virtual electronic whiteboard device as claimed in claim 8, it is characterized in that, back shroud (320) has shading surface (326), between the shading surface (326) of back shroud (320) and second installed surface (323) of back shroud (320), there is ray step (327), after in the blank groove surface (82) that described second line source (32) is installed on the second blank (8), ray step (327) makes the whiteboard surface of the shading surface of back shroud (320) (326) and the second blank (8) form the second line source to launch gap (9), prevent the effect weakening of ray.
10. virtual electronic whiteboard device as claimed in claim 6, it is characterized in that, described support bar (4) is Collapsible structure.
11. virtual electronic whiteboard device as claimed in claim 6, is characterized in that, described camera (3) has angle adjustable structure.
12. virtual electronic whiteboard device as claimed in claim 6, is characterized in that, back shroud (320) inside of the second line source (32) has reinforcement structure (325).
13. virtual electronic whiteboard device as claimed in claim 6, it is characterized in that, the second line source (32) has standard computer data-interface.
14. virtual electronic whiteboard device as claimed in claim 6, is characterized in that, the second line source (32) has 2 symmetrical light source bodies (202) installed.
15. virtual electronic whiteboard device as claimed in claim 6, is characterized in that, the light source body (202) of the second line source (32) adopts line laser marker.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110336523.XA CN102375622B (en) | 2011-10-31 | 2011-10-31 | Virtual electronic whiteboard device |
| PCT/CN2012/001429 WO2013063861A1 (en) | 2011-10-31 | 2012-10-25 | Virtual electronic white board device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110336523.XA CN102375622B (en) | 2011-10-31 | 2011-10-31 | Virtual electronic whiteboard device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102375622A CN102375622A (en) | 2012-03-14 |
| CN102375622B true CN102375622B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110336523.XA Active CN102375622B (en) | 2011-10-31 | 2011-10-31 | Virtual electronic whiteboard device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102375622B (en) |
| WO (1) | WO2013063861A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375622B (en) * | 2011-10-31 | 2015-04-15 | 上海易视计算机科技有限公司 | Virtual electronic whiteboard device |
| US9207812B2 (en) | 2012-01-11 | 2015-12-08 | Smart Technologies Ulc | Interactive input system and method |
| CN104007883B (en) * | 2014-06-19 | 2017-02-15 | 安徽春勤教育装备有限公司 | Locating-improved optical touch electronic whiteboard and locating method thereof |
| CN204926047U (en) * | 2015-08-26 | 2015-12-30 | 上海易视计算机科技有限公司 | Portable touch -control projection arrangement |
| CN106598359A (en) * | 2016-12-06 | 2017-04-26 | 上海师范大学 | Electronic display device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266361Y (en) * | 2008-04-10 | 2009-07-01 | 南京芒冠光电科技有限公司 | Remote control electronic whiteboard |
| CN101587403A (en) * | 2008-05-22 | 2009-11-25 | 南京芒冠光电科技有限公司 | Produce the apparatus and method of touch-sensitive light spots in the plane |
| TW201015404A (en) * | 2008-10-03 | 2010-04-16 | Univ Nat Chiao Tung | Optical touch display device, optical touch sensing device and touch sensing method |
| CN201489498U (en) * | 2009-07-24 | 2010-05-26 | 一品光学工业股份有限公司 | Microcomputer electric scanning touch control screen |
| CN201590066U (en) * | 2010-01-29 | 2010-09-22 | 宁波舜宇光电信息有限公司 | Optical touch screen |
| CN101887329B (en) * | 2010-07-13 | 2012-01-25 | 世大光电(深圳)有限公司 | Electronic equipment and optical positioning device thereof |
| CN102375622B (en) * | 2011-10-31 | 2015-04-15 | 上海易视计算机科技有限公司 | Virtual electronic whiteboard device |
| CN202306516U (en) * | 2011-10-31 | 2012-07-04 | 上海易视计算机科技有限公司 | Virtual electronic whiteboard device |
-
2011
- 2011-10-31 CN CN201110336523.XA patent/CN102375622B/en active Active
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2012
- 2012-10-25 WO PCT/CN2012/001429 patent/WO2013063861A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102375622A (en) | 2012-03-14 |
| WO2013063861A1 (en) | 2013-05-10 |
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Address after: Room 201, 2nd Building, 410 Ligao Road, Chedun Town, Songjiang District, Shanghai, 20111 Patentee after: Shanghai Easy View Computer Technology Co., Ltd. Address before: Room 814, 58 Guangxing Road, Wulong Village, Zhongshan Street, Songjiang District, Shanghai 201600 Patentee before: Shanghai EASI Computer Technology Co., Ltd. |