CN106980418A - Automatic identification switches video signal touch-control electronic blank - Google Patents
Automatic identification switches video signal touch-control electronic blank Download PDFInfo
- Publication number
- CN106980418A CN106980418A CN201710385864.3A CN201710385864A CN106980418A CN 106980418 A CN106980418 A CN 106980418A CN 201710385864 A CN201710385864 A CN 201710385864A CN 106980418 A CN106980418 A CN 106980418A
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- CN
- China
- Prior art keywords
- video signal
- electronic whiteboard
- electronic
- control
- whiteboard body
- 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.)
- Pending
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- 239000004606 Fillers/Extenders Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 230000003667 anti-reflective effect Effects 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009394 selective breeding Methods 0.000 description 1
- 229940100616 topical oil Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—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
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
Abstract
Switch video signal touch-control electronic blank the invention discloses a kind of automatic identification, including electronic whiteboard body, the electronic whiteboard body is built-in with host computer, HUB integrators are provided with the framework of the electronic whiteboard body, projecting apparatus is provided with the electronic whiteboard body, the framework of the electronic whiteboard body is built-in with video signal switching control module, the video signal switching control module includes the level sensitive circuit and control chip being connected with each other, the level sensitive circuit is connected with the HUB integrators, the control chip respectively with the projecting apparatus, host computer is connected.Video signal switching is carried out to built-in host computer or External Access Equipment by video signal switching control module, host computer is disconnected automatically when External Access Equipment is accessed, the video signal displaying of External Access Equipment is realized.
Description
Technical field
The present invention relates to a kind of electronic whiteboard, more particularly to a kind of automatic identification switching video signal touch-control electronic blank.
Background technology
A 2016.05.04 announce, Authorization Notice No. for CN205210853U Chinese utility model patent in,
Disclose in a kind of interactive electric whiteboard of built-in computer, including electronic whiteboard body, the framework of the electronic whiteboard body
It is equipped with control mainboard, the electronic whiteboard body and is provided with projecting apparatus, the electronic whiteboard body is built-in with host computer, institute
State host computer to be connected with projecting apparatus, the projecting apparatus is connected with control mainboard, height is additionally provided with the electronic whiteboard body
Instrument is clapped, the high photographing instrument is connected with host computer.Wherein, external equipment (notebook computer etc.) is connected to USB HUB multiplex roles
Need artificial selection to switch when on shared device, choose whether to allow external equipment to be connected on projecting apparatus.It can break if allowing
The connection between host computer and control mainboard is opened, is directly connected to by external equipment on projecting apparatus.Above-mentioned selection course compares
Cumbersome, influence uses the Consumer's Experience of electronic whiteboard.
The content of the invention
To overcome disadvantages mentioned above, video signal touch-control electronic blank is switched it is an object of the invention to provide a kind of automatic identification,
It is capable of the connection of automatic identification external equipment, is directly connected with projecting apparatus.
In order to reach object above, the technical solution adopted by the present invention is：A kind of automatic identification switches video signal touch-control electronic
Blank, including electronic whiteboard body, the electronic whiteboard body are built-in with host computer, the framework of the electronic whiteboard body
It is provided with HUB integrators, the electronic whiteboard body and is provided with projecting apparatus, the framework of the electronic whiteboard body, which is built-in with, is regarded
Switching control module is interrogated, the video signal switching control module includes the level sensitive circuit and control chip being connected with each other, described
Level sensitive circuit is connected with the HUB integrators, and the control chip is connected with the projecting apparatus, host computer respectively.It is logical
Cross video signal switching control module and video signal switching is carried out to built-in host computer or External Access Equipment, when External Access Equipment access
Shi Zidong disconnects host computer, realizes the video signal displaying of External Access Equipment.
Preferably, in order to improve the transmission speed of electronic whiteboard, high-quality video transmission, the video signal switching control are realized
Module is connected with the HUB integrators, projecting apparatus and host computer respectively by HDMI wire.So when External Access Equipment is accessed
After can quickly realize projection, so as to improve the Consumer's Experience of electronic whiteboard.
It is, in addition to camera that the camera is arranged on electronic whiteboard body as a further improvement on the present invention
The upper inframe of framework, the camera is made up of the optical lens being sequentially connected, optical sensor, camera control mainboard, institute
Optical sensor is stated to be connected with host computer by camera control mainboard.The setting of camera is available for the personnel of two meeting rooms
Carry out video signal communication function, optical lens collection image, optical sensor the signal of video signal of collection is changed into data-signal,
The first host computer being connected with the electronic whiteboard is sent to by camera control mainboard again, first host computer is by the shadow
As data pass to the second host computer being connected with another electronic whiteboard by network again, then realizing can be in two electricity
Intuitively video signal communication function is carried out on sub- blank.
It is that the electronic whiteboard body uses infrared electronic Trackpad, the electricity as a further improvement on the present invention
Sub- touch-control blank includes at least two infrared cameras, optical reflection bar, and at least two infrared camera is arranged on electronics
On the framework of blank body, the optical reflection bar is arranged on the four edges of the framework of electronic whiteboard body, each infrared to take the photograph
As having LED/light source in head, the optical reflection bar on the LED/light source energy directive opposite is built-in with the infrared photography of the LED/light source
Head receives light reflection, and the signal that two adjacent infrared cameras will be observed that is sent to control chip, the control chip
By calculating data of the touch point in optical reflection bar, touch-control coordinate is obtained.
It is that the electronic whiteboard body has layer structure, including bottom, intermediate layer as a further improvement on the present invention
And superficial layer, the superficial layer scribbles anti-reflective layer, and the intermediate layer is in honeycomb constructed of aluminium.Anti-reflective layer can ensure user
Picture is seen clearly in any angle, using aluminum honeycomb panel, the flatness of electronic whiteboard body is can guarantee that, infrared ray is not influenceed then
The reception of camera signals.
It is as a further improvement on the present invention, in addition to fingerprint identification lock, the fingerprint identification lock and the control core
Piece is connected.Increase identity recognition function, be easy to the management and control of user.
It is that the framework of the electronic whiteboard body is built-in with audio extender, described as a further improvement on the present invention
Audio extender is made up of at least two audio output sound equipments.Realize that audio is shared.
Preferably, the projecting apparatus is ultrashort out-of-focus projection's instrument.It can solve the problem that object hinders projected light line, led to not
The problem of completing projection.
Preferably, the surface of the framework of the electronic whiteboard body and its corner connection are smooth curved surface.It is effectively anti-
Only child scratch or damages during use, reduces potential safety hazard.
Brief description of the drawings
Fig. 1 is schematic front view of the invention；
Fig. 2 is the side view with broken section of the invention；
Fig. 3 is the schematic diagram of video signal switching control module in the present invention.
In figure：
1- cameras；2- video signal switching control modules；21- level sensitive circuits；22- control chips；3- infrared cameras；
4- sound equipments；5-HUB integrators；6- fingerprint identification locks；7- electronic whiteboard bodies；71- superficial layers；72- intermediate layers；73- bottoms；
74- frameworks；8- optical reflection bars；9- projecting apparatus；10- high photographing instruments；11- host computers；12- camera control mainboards.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to shown in accompanying drawing 1, Fig. 2 and Fig. 3, a kind of automatic identification in the present embodiment switches video signal touch-control electronic blank,
Including electronic whiteboard body 7, the electronic whiteboard body 7 is built-in with host computer 11, the framework 74 of the electronic whiteboard body 7
On be provided with HUB integrators 5, the electronic whiteboard body 7 and be provided with projecting apparatus 9, the framework 74 of the electronic whiteboard body 7
Video signal switching control module 2 is built-in with, the video signal switching control module 2 includes the level sensitive circuit 21 being connected with each other and control
Coremaking piece 22, the level sensitive circuit 21 is connected with the HUB integrators 22, the control chip 22 respectively with the projection
Instrument 9, host computer 11 are connected.
Level sensitive circuit described in the present embodiment is prior art, is that one kind can be eliminated to mains fluctuations and device
The level detector of the high-speed cruising at lower voltages of the dependence of part tolerance.It is performed from load voltage by resistive type partial pressure
The predetermined level of the signal voltage level of generation circuit input changes, and partial pressure is with electric independently of the power supply of circuit in itself is supplied to
What one reference voltage of pressure was obtained through divider resistance element.The level of difference amplifier feeding level changer output changes
One output of the difference between signal and preset reference voltage is to be used as detection output.Because reference voltage is independently of power supply
Voltage, so stable operation is realized in the influence that can limit mains fluctuations.
In order to improve the transmission speed of electronic whiteboard, high-quality video transmission is realized, the video signal switching control module is led to
HDMI wire is crossed respectively with the HUB integrators, projecting apparatus and host computer to be connected.So can after External Access Equipment is accessed
Projection is quickly realized, so as to improve the Consumer's Experience of electronic whiteboard.Wherein using to HDMI wire be that high-resolution multimedia connects
The abbreviation of mouth line, can transmit uncompressed HD video and multichannel audb data, the maximum data transmission speed to high-quality
For 5Gbps.Simultaneously without transmitting advance row D/A or analog/digital conversion in signal, it is ensured that the video-audio signal of first water
Transmission.
When external equipment product inserts 1 interfaces of HDMI on HUB integrators, the IN1 of video signal switching control module is low
Level, electronic whiteboard is by the video signal of the external output of products of automatic prioritizing selection.After external connected electronic product is removed, electronics is white
Plate automatically returns to the output of built-in host computer IN2 video signals.So operated without personnel and can be achieved to cut automatically
Change, it is easy to operate, it can be widely applied to all kinds of electronic whiteboards and all-in-one etc..
In the present embodiment, high photographing instrument 10, the high photographing instrument 10 and computer master are additionally provided with the electronic whiteboard body 7
Machine 11 is connected.High photographing instrument is used for file, picture, the scanning of object, shooting, recording function, transmits, is stored into host computer 11
On, realize electronic reading and identification.Projected light line is hindered in order to solve object, the problem of leading to not complete projection, institute
Projecting apparatus 9 is stated for ultrashort out-of-focus projection's instrument.
In order to realize image transmission, video signal communication function, then automatic identification switching video signal touch-control electronic blank also include
Camera 1, the camera 1 is arranged on the upper inframe of the framework 74 of electronic whiteboard body 7, and the camera 1 is by being sequentially connected
The optical lens to gather image, the optical sensor image to be changed into data-signal, to by data-signal
Transmit to the camera control mainboard 12 of host computer 11 and constitute.Optical lens, optical sensor are real to enroll on-the-spot meeting
Condition is simultaneously transmitted to host computer 11 by camera control mainboard 12, and the host computer 11 passes through network and another computer master
Machine 11 is connected, and is played back on the electronic whiteboard body being connected with another host computer 11, then realizes that image is passed
It is defeated, video signal communication function.
Electronic whiteboard body 7 can realize touch controllable function, be because electronic whiteboard body 7 employs infrared electronic touch-control
Plate, infrared electronic Trackpad includes at least two infrared cameras 3, optical reflection bar 8, and at least two infrared cameras 3 are set
Put on the framework 74 of electronic whiteboard body 7, what is presented in accompanying drawing 1 is two infrared cameras 3, naturally it is also possible in framework 74
Four corners be both provided with an infrared camera 3, and optical reflection bar 8 is arranged on the framework 74 of electronic whiteboard body 7
Four edges on, there is LED/light source (not shown), the optics on LED/light source energy directive opposite is anti-in each infrared camera 3
Bar 8 is penetrated, the infrared camera 3 for being built-in with the LED/light source receives light reflection, if enterprising in electronic whiteboard body 7 without object
During row operation, infrared camera 3 can receive the reflected light reflected on directive optical reflection bar 8, once there is object white in electronics
When being operated on plate body 7, LED/light source can not be reached on optical reflection bar 8, and then infrared camera 3 is not observed then instead
The reflected light penetrated, by the principle, the signal that two infrared cameras 3 will be observed that is sent to video signal switching control module 2, depending on
Switching control module 2 is interrogated by calculating data of the touch point in optical reflection bar 8, touch-control coordinate (X, Y) is obtained.When setting four
During infrared camera 3, it is possible to achieve while more than 2 points of touch-control.
Electronic whiteboard body 7 can realize that audio is shared, and be because the framework 74 of electronic whiteboard body 7 is built-in with audio extension
Device, audio extender is made up of at least two audio output sound equipments 4, as shown in figure 1, audio output sound equipment 4 is provided with two, position
In the both sides of electronic whiteboard body 7.
The fingerprint identification lock 6 being provided with electronic whiteboard body 7, the fingerprint identification lock 6 and the phase of control chip 22
Even.Increase identity recognition function, be easy to the management and control of user.
Electronic whiteboard body 7 has layer structure, including bottom 73, intermediate layer 72 and superficial layer 71, when without using electricity
During sub- blank, it can be write in the pen of the topical oil of superficial layer 71 pen or other materials, serve as the function of common blank；
The superficial layer 71 is also enamel provided with high-matte enamel coating enamel, is a kind of unorganic glass, gold is attached to by high-temperature fusion
Metal surface, to ensure that the content on electronic whiteboard body 7 can be seen by watching the electronic whiteboard body 7 from multiple angles；
The coating is very firm, can prevent hard thing scratch, service life was up to 20 years；After being write on the coating, easily wipe, not trace
Mark, greatly improves ease of use.Intermediate layer 72 is aluminum honeycomb panel, because bottom 73 and superficial layer 71 are than relatively thin, intermediate layer 72
Using honeycomb aluminum shape structure, it is ensured that the flatness of superficial layer 71, touch-control is not interfered with.
The surface of the framework 74 of electronic whiteboard body 7 and its corner connection are smooth curved surface.Effectively prevent child from existing
Scratch or damaged during use, reduce potential safety hazard.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands present disclosure and is carried out, and it is not intended to limit the scope of the present invention, all according to spirit of the invention
The equivalent change or modification that essence is done, should all cover within the scope of the present invention.
Claims (9)
1. a kind of automatic identification switches video signal touch-control electronic blank, including electronic whiteboard body (7), the electronic whiteboard body
(7) it is built-in with host computer (11), the framework (74) of the electronic whiteboard body (7) and is provided with HUB integrators (5), it is described
Projecting apparatus (9) is provided with electronic whiteboard body (7), it is characterised in that：The framework (74) of the electronic whiteboard body (7) is built-in
Have a video signal switching control module (2), the video signal switching control module (2) include the level sensitive circuit (21) being connected with each other and
Control chip (22), the level sensitive circuit (21) is connected with the HUB integrators (5), and the control chip (22) is respectively
It is connected with the projecting apparatus (9), host computer (11).
2. automatic identification according to claim 1 switches video signal touch-control electronic blank, it is characterised in that：The video signal switching
Control module (2) is connected with the HUB integrators (5), projecting apparatus (9) and host computer (11) respectively by HDMI wire.
3. automatic identification according to claim 2 switches video signal touch-control electronic blank, it is characterised in that：Also include camera
(1), the camera (1) is arranged on the upper inframe of the framework (74) of electronic whiteboard body (7), and the camera (1) is by successively
Optical lens, optical sensor, camera control mainboard (12) composition of connection, the optical sensor pass through camera control
Mainboard (12) is connected with host computer (11).
4. automatic identification according to claim 2 switches video signal touch-control electronic blank, it is characterised in that：The electronic whiteboard
Body (7) uses infrared electronic Trackpad, and it is anti-that the electronic touch blank includes at least two infrared cameras (3), optics
Bar (8) is penetrated, at least two infrared camera (3) is arranged on the framework of electronic whiteboard body (7) (74), and the optics is anti-
Penetrate bar (8) to be arranged on the four edges of the framework of electronic whiteboard body (7) (74), there is LED light in each infrared camera (3)
Source, the optical reflection bar (8) on the LED/light source energy directive opposite, the infrared camera (3) for being built-in with the LED/light source receives light
Line reflection, the signal that two adjacent infrared cameras (3) will be observed that is sent to control chip (22), the control chip
(22) by calculating data of the touch point in optical reflection bar (8), touch-control coordinate is obtained.
5. automatic identification according to claim 2 switches video signal touch-control electronic blank, it is characterised in that：The electronic whiteboard
Body (7) has layer structure, including bottom (73), intermediate layer (72) and superficial layer (71), and the superficial layer (71) scribbles
Anti-reflective layer, the intermediate layer (72) is in honeycomb constructed of aluminium.
6. automatic identification according to claim 2 switches video signal touch-control electronic blank, it is characterised in that：Also include fingerprint to know
Not Suo (6), the fingerprint identification lock (6) is connected with the control chip (22).
7. automatic identification according to claim 2 switches video signal touch-control electronic blank, it is characterised in that：The electronic whiteboard
The framework of body (7) is built-in with audio extender, and the audio extender is made up of at least two audio output sound equipments (4).
8. automatic identification according to claim 2 switches video signal touch-control electronic blank, it is characterised in that：The projecting apparatus
(9) it is ultrashort out-of-focus projection's instrument.
9. automatic identification according to claim 2 switches video signal touch-control electronic blank, it is characterised in that：The electronic whiteboard
The surface of the framework (74) of body (7) and its corner connection are smooth curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385864.3A CN106980418A (en) | 2017-05-26 | 2017-05-26 | Automatic identification switches video signal touch-control electronic blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385864.3A CN106980418A (en) | 2017-05-26 | 2017-05-26 | Automatic identification switches video signal touch-control electronic blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106980418A true CN106980418A (en) | 2017-07-25 |
Family
ID=59343170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710385864.3A Pending CN106980418A (en) | 2017-05-26 | 2017-05-26 | Automatic identification switches video signal touch-control electronic blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106980418A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846543A (en) * | 2017-12-11 | 2018-03-27 | 苏州腾邦科技有限公司 | Home intelligent projection TV interactive system |
| CN109814746A (en) * | 2018-05-06 | 2019-05-28 | 柯梦天 | Household with internet of things functional learns electric whiteboard system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205210853U (en) * | 2015-12-02 | 2016-05-04 | 苏州久腾光电科技有限公司 | Interactive whiteboard of built -in computer |
-
2017
- 2017-05-26 CN CN201710385864.3A patent/CN106980418A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205210853U (en) * | 2015-12-02 | 2016-05-04 | 苏州久腾光电科技有限公司 | Interactive whiteboard of built -in computer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846543A (en) * | 2017-12-11 | 2018-03-27 | 苏州腾邦科技有限公司 | Home intelligent projection TV interactive system |
| CN109814746A (en) * | 2018-05-06 | 2019-05-28 | 柯梦天 | Household with internet of things functional learns electric whiteboard system |
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Application publication date: 20170725 |
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