CN102375622A - Virtual electronic whiteboard device - Google Patents
Virtual electronic whiteboard device Download PDFInfo
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- CN102375622A CN102375622A CN201110336523XA CN201110336523A CN102375622A CN 102375622 A CN102375622 A CN 102375622A CN 201110336523X A CN201110336523X A CN 201110336523XA CN 201110336523 A CN201110336523 A CN 201110336523A CN 102375622 A CN102375622 A CN 102375622A
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- China
- Prior art keywords
- line source
- virtual electronic
- white board
- board device
- electronic white
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- 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.)
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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
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 White Board device.
Background technology
Existing Virtual Electronic White Board generally adopts camera and infrared pen to realize, is 200810024947.0 the disclosed technical scheme of one Chinese patent application like application number.The summary of the invention of this application is: " the present invention; through adopting a kind of apparatus and method that produce touch-sensitive light spots in the plane; make the electronic whiteboard of photoelectric technology can really become touch-screen also can transform displays such as plasma, liquid crystal, rear-projection as touch-screen through photoelectric technology simultaneously.
The objective of the invention is to realize like this: the apparatus and method that produce 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 devices that can produce linear laser are placed in the outside of induction region on the plane, and plane induction region and parallel is with it pressed close on the formed plane of the linear beam that laser beam emitting device is launched, when other objects when one side is touched the plane induction zone from plane that line-like laser beam flux forms; Will get on the obstacle object because of laser, the pairing position of obstacle object forms one or more hot spots on the induction zone of plane.
Described linear laser generating means is characterized in that it can being the linear laser transmitter, or the point-like laser device produces the device of linear laser effect through other modes.
Described plane induction region is characterized in that, the level that plane surface is enough guarantees when laser beam plane and induction region plane parallel are pressed close to, can not form laser optical path in the plane and hinders.
Described linear laser generating means is characterized in that, when using a plurality of generating device of laser, need make line-like laser beam flux that each device launched in same plane.
The described apparatus and method that produce touch-sensitive light spots in the plane; It is characterized in that; Through diverse location is provided with many group linear laser generating meanss in the outside, plane; The pairing position of each object can both produce hot spot when can guarantee a plurality of objects simultaneously near the plane induction region, and can can't not shone and can't form hot spot in the relevant position by laser owing to object blocks certain object of making wherein mutually.
The described apparatus and method that produce touch-sensitive light spots in the plane is characterized in that, because linear laser possibly exist photocentre position light stronger; And with the photocentre be center of circle ambient light the brightness meeting successively slightly a little less than; And block the far and near different formed hot spot brightness of object distance generating device of laser and have difference, when the generating device of laser position is set, need Luminance Distribution according to the plane glazing; Make when all positions form hot spot on the induction planes, the hot spot brightness ratio is than homogeneous as far as possible ".
But Virtual Electronic White Board of the prior art or camera Installation and Debugging are inconvenient, perhaps need a plurality of line sources to realize.
Summary of the invention
The purpose of this invention is to provide a kind of Virtual Electronic White Board device, make the user not need infrared pen, and electronic whiteboard function easy for installation.
Technical scheme of the present invention is, a kind of Virtual Electronic White Board device in order on display plane, to realize touch screen functionality, comprises a line source and image information processing device, and this line source is provided with a camera,
Said line source places on the said display plane, the formed light of the light touch face that makes this line source launch be parallel to and unlimited near but do not touch described display plane,
The visual angle that camera forms said display plane makes the image of the said display plane that said camera obtains handled by said image information processing device,
The light that touches face when light is stopped that by barrier when having formed the light touch point, said image information processing device writes down said smooth touch point position and state through the real-time interpretation of image that said camera obtains.
Said line source comprises 1 light source body at least.
Preferably, said line source comprises fan-shaped 2 light source bodies that are uniformly distributed with, and the light face that the light beam that makes this line source penetrate forms covers whole display plane.
Preferably, said camera scalable is for the angle of display plane.
Preferably, said camera is rotationally connected through a retracted support bar and said line source.
Preferably, said light source body adopts generating laser.
A kind of Virtual Electronic White Board device comprises line source, camera and support bar, an end line light source of support bar, and the other end connects camera,
Said first line source comprises at least one light source body, and this light source body is installed on the liner plate of being held by base plate, and base plate passes through 4 bolt in framework; This framework and support, carriage and cover plate driving fit, carriage is provided with knob, is used for the adjusting to the support bar angle; Carriage also comprises database; Link to each other with the light source body through wire harness, support bar is a Collapsible structure, and camera has adjustable angle joint structure.
Preferably, first line source comprises optical filter, filters in order to the ray for the light source body.
A kind of Virtual Electronic White Board device comprises second line source, camera and support bar, and an end of support bar connects second line source, and the other end connects camera,
Second line source comprises at least one light source body,
Also comprise second blank, the upper area of second blank has the blank groove surface, and this groove surface has recessed groove surface step, is used to install second line source.
The inner symmetry of the back shroud of second line source is installed at least 2 light source bodies, and is close to heat radiator is housed.
The back shroud of second line source has first installed surface and second installed surface, has raised step between first installed surface and second installed surface, cooperates the recessed groove surface step of the groove surface of second blank, in order to firm installation second line source.
Back shroud has shading face; Has the ray step between second installed surface of the shading face of back shroud and back shroud; After said second line source is installed in the blank groove surface of second blank; The ray step makes the shading face of back shroud and the whiteboard surface of second blank form second line source emission slit, prevents the effect weakening of ray.
Second line source has optical filter, and is preferred, can be arc shape.
Described support bar is a Collapsible structure.
Described camera has adjustable angle joint structure.
Second line source comprises database, links to each other with the light source body through wire harness.
The back shroud inside of second line source has the reinforcement structure.
Second line source has standard computer data-interface.
The present invention has realized the integrated of line source and camera, only uses a line source to realize the linear light face, has made things convenient for Installation and Debugging, need not the function that complicated external has promptly realized Virtual Electronic White Board.
Description of drawings
Fig. 1 is angle schematic perspective view of device first embodiment of the present invention
Wherein, 1---the Virtual Electronic White Board device
2---first line 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 line source module 2 of device first embodiment of the present invention
Wherein, 201---optical filter
202---the light source body
203---liner plate
204---framework
205---bolt
206---base plate
207---support
208---carriage
209---cover plate
210---knob
Fig. 5 is the perspective exploded view of another angle of the line 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 the device first embodiment middle frame 204 of the present invention
Wherein, 212---wire harness
Fig. 7 is the synoptic diagram of installing and using of apparatus of the present invention first embodiment
Wherein, 5---display plane
Fig. 8 is a know-why synoptic diagram of the present invention
Wherein, 6---the light face that light beam forms
7---luminous point
Fig. 9 installs schematic perspective view in the second embodiment of the invention
Wherein, 31---the second Virtual Electronic White Board device
32---second line source
Install decomposing schematic representation in Figure 10 second embodiment of the invention
Wherein, 8---second blank
82---the blank groove surface
Device side view in Figure 11 second embodiment of the invention
Wherein, 9---second line source emission slit
Install vertical view in Figure 12 second embodiment of the invention
81---blank groove surface step
321---the second line source back side raised step
Device is from the stereographic map of another angle in Figure 13 second embodiment of the invention
Second line source, 32 schematic perspective views in the device in Figure 14 second embodiment of the invention
Wherein, 320---back shroud
Second line source, 32 schematic perspective views in the device in Figure 15 second embodiment of the invention
Wherein, 322---first installed surface of back shroud 320
323---second installed surface of back shroud 320
326---the shading face of back shroud 320
327---the ray step between the shading face of back shroud 320 and second installed surface of back shroud 320
Second line source, 32 three-dimensional exploded views in the device in Figure 16 second embodiment of the invention
324---heat radiator
325---the reinforcement structure of back shroud 320
The synoptic diagram that does not have heat radiator 324 in Figure 17 second embodiment of the invention in the device in the back shroud 320
The synoptic diagram of heat radiator 324 is installed in the back shroud 320 in the device in Figure 18 second embodiment of the invention
Embodiment
First embodiment
In conjunction with Fig. 1～Fig. 6, Virtual Electronic White Board device of the present invention comprises line source 2, camera 3 and support bar 4, an end line light source 2 of support bar 4, and the other end connects camera 3,
Said first line 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 of being held by base plate 206 203, and base plate 206 is fixed in the framework 204 through 4 bolts 205, this framework 204 and support 207, carriage 208 and cover plate 209 driving fits; Carriage 208 is provided with knob 210; Be used for the adjusting to support bar 4 angles, carriage 208 also comprises database 211, links to each other with light source body 202 through wire harness 212; Support bar 4 is Collapsible structures, and camera 3 has adjustable angle joint structure.
Circuit on the database 211 transfers to external image information processing device after view data is dealt with, and accomplishes the function of Virtual Electronic White Board.
Fig. 7 is the synoptic diagram of installing and using of apparatus of the present invention.
Like Fig. 8, be know-why synoptic diagram of the present invention, when barrier forms luminous point 7 at the light face 6 that light beam forms; Obtaining of the view data of process camera 3; Caught by image information processing device, form effect, realized the function of Virtual Electronic White Board like mouse or light pen.
Second embodiment
In conjunction with Fig. 9 to Figure 18,9, a kind of Virtual Electronic White Board device, comprise second line source 32, camera 3 and support bar 4, an end of support bar 4 connects second line source 32, and the other end connects camera 3,
The upper area that also comprises second blank, 8, the second blanks 8 has blank groove surface 82, and this groove surface 82 has recessed groove surface step 81, is used to install second line source 32.
The inner symmetry of the back shroud 320 of second line source 32 is installed at least 2 light source bodies 202, and is close to heat radiator 324 is housed.
The back shroud 320 of second line source 32 has first installed surface 322 and second installed surface 323; Has raised step 321 between first installed surface 322 and second installed surface 323; The recessed groove surface step 81 that cooperates the groove surface 82 of second blank 8 is in order to firm installation second line source 32.During installation, first installed surface 322 is close to blank groove surface 82, and the whiteboard surface of second installed surface 323 and second blank 8 is close to installation.First installed surface, 322 dimensioned area shapes match with the dimensioned area shape of groove surface 82, and the size of raised step 321 matches with groove surface step 81 sizes.
Described support bar 4 is Collapsible structures.
Described camera 3 has adjustable angle joint structure.
The advantage of the device among second embodiment is that on-the-spot Installation and Debugging are very convenient, solved the problem that ray divergence brings.Light source body 202 can adopt line laser marker to realize.Light source body 202 can be a plurality of or 1, and can adopt is symmetrically distributed settles.
Claims (22)
1. a Virtual Electronic White Board device in order on display plane, to realize it is characterized in that touch screen functionality, comprises a line source and image information processing device, and this line source is provided with a camera,
Said line source places on the said display plane, the formed light of the light touch face that makes this line source launch be parallel to and unlimited near but do not touch described display plane,
The visual angle that camera forms said display plane makes the image of the said display plane that said camera obtains handled by said image information processing device,
The light that touches face when light is stopped that by barrier when having formed the light touch point, said image information processing device writes down said smooth touch point position and state through the real-time interpretation of image that said camera obtains.
Said line source comprises 1 light source body at least.
2. Virtual Electronic White Board device as claimed in claim 1 is characterized in that, said line source comprises fan-shaped at least 2 light source bodies that are uniformly distributed with, and the light face that the light beam that makes this line source penetrate forms covers whole display plane.
3. Virtual Electronic White Board device as claimed in claim 1 is characterized in that, said camera scalable is for the angle of display plane.
4. Virtual Electronic White Board device as claimed in claim 1 is characterized in that, said camera is rotationally connected through a retracted support bar and said line source.
5. Virtual Electronic White Board device as claimed in claim 2 is characterized in that, said light source body adopts generating laser.
6. a Virtual Electronic White Board device is characterized in that, comprises first line source (2), camera (3) and support bar (4), and an end of support bar (4) connects first line source (2), and the other end connects camera (3),
Said first line 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 of being held by base plate (206) (203); Base plate (206) is fixed in the framework (204) through 4 bolts (205); This framework (204) and support (207), carriage (208) and cover plate (209) driving fit, carriage (208) is provided with knob (210), is used for the adjusting to support bar (4) angle; Carriage (208) also comprises database (211), links to each other with light source body (202) through wire harness (212).
7. Virtual Electronic White Board device as claimed in claim 6 is characterized in that, described support bar (4) is a Collapsible structure.
8. Virtual Electronic White Board device as claimed in claim 6 is characterized in that, described camera (3) has adjustable angle joint structure.
9. Virtual Electronic White Board device as claimed in claim 6 is characterized in that, said first line source (2) also comprises optical filter (201), filters in order to the ray for light source body (202).
10. a Virtual Electronic White Board device is characterized in that, comprises second line source (32), camera (3) and support bar (4), and an end of support bar (4) connects second line source (32), and the other end connects camera (3),
Second line source (32) comprises at least 1 light source body (202),
Also comprise second blank (8), the upper area of second blank (8) has blank groove surface (82), and this groove surface (82) has recessed groove surface step (81), is used to install second line source (32).
11. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, the inner symmetry of the back shroud (320) of second line source (32) is installed at least 2 light source bodies (202), and is close to heat radiator (324) is housed.
12. Virtual Electronic White Board device as claimed in claim 10; It is characterized in that; The back shroud (320) of second line source (32) has first installed surface (322) and second installed surface (323); Have raised step (321) between first installed surface (322) and second installed surface (323), cooperate the recessed groove surface step (81) of the groove surface (82) of second blank (8), in order to firm installation second line source (32).
13. Virtual Electronic White Board device as claimed in claim 12; It is characterized in that; Back shroud (320) has shading face (326); Has ray step (327) between the shading face (326) of back shroud (320) and second installed surface (323) of back shroud (320); After said second line source (32) was installed in the blank groove surface (82) of second blank (8), ray step (327) made the whiteboard surface of shading face (326) and second blank (8) of back shroud (320) form second line source emission slit (9), prevents the effect weakening of ray.
14. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, second line source (32) has optical filter (201).
15. Virtual Electronic White Board device as claimed in claim 9 is characterized in that, described support bar (4) is a Collapsible structure.
16. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, described camera (3) has adjustable angle joint structure.
17. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, second line source (32) comprises database (211), links to each other with light source body (202) through wire harness (212).
18. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, back shroud (320) inside of second line source (32) has reinforcement structure (325).
19. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, second line source (32) has standard computer data-interface.
20. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, second line source (32) has the light source body (202) that 2 symmetries are installed.
21. Virtual Electronic White Board device as claimed in claim 10 is characterized in that, the light source body (202) of second line source (32) adopts line laser marker.
22. Virtual Electronic White Board device as claimed in claim 14 is characterized in that, the optical filter (201) of second line source (32) is an arc shape.
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 true CN102375622A (en) | 2012-03-14 |
| CN102375622B CN102375622B (en) | 2015-04-15 |
Family
ID=45794304
Family Applications (1)
| 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013063861A1 (en) * | 2011-10-31 | 2013-05-10 | 上海易视计算机科技有限公司 | Virtual electronic white board device |
| CN104007883A (en) * | 2014-06-19 | 2014-08-27 | 安徽春勤教育装备有限公司 | Locating-improved optical touch electronic whiteboard and locating method thereof |
| US9207812B2 (en) | 2012-01-11 | 2015-12-08 | Smart Technologies Ulc | Interactive input system and method |
| WO2017032204A1 (en) * | 2015-08-26 | 2017-03-02 | 上海易视计算机科技有限公司 | Portable touch projection device |
| CN106598359A (en) * | 2016-12-06 | 2017-04-26 | 上海师范大学 | Electronic display device |
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| WO2013063861A1 (en) * | 2011-10-31 | 2013-05-10 | 上海易视计算机科技有限公司 | Virtual electronic white board device |
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| CN104007883A (en) * | 2014-06-19 | 2014-08-27 | 安徽春勤教育装备有限公司 | Locating-improved optical touch electronic whiteboard and locating method thereof |
| 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 |
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| CN106598359A (en) * | 2016-12-06 | 2017-04-26 | 上海师范大学 | Electronic display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102375622B (en) | 2015-04-15 |
| 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. |
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