CN107728926A - It is a kind of to realize double method and system for touching communication mode in electronic whiteboard - Google Patents
It is a kind of to realize double method and system for touching communication mode in electronic whiteboard Download PDFInfo
- Publication number
- CN107728926A CN107728926A CN201711045822.1A CN201711045822A CN107728926A CN 107728926 A CN107728926 A CN 107728926A CN 201711045822 A CN201711045822 A CN 201711045822A CN 107728926 A CN107728926 A CN 107728926A
- Authority
- CN
- China
- Prior art keywords
- electronic whiteboard
- touch
- projector
- external computer
- converted
- 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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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
- G06F13/4286—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Drawing Aids And Blackboards (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention relates to electronic whiteboard communication scheme, it discloses a kind of double method and system for touching communication mode are realized in electronic whiteboard, the electronic whiteboard function solved in conventional art is single, can not use the touch function of electronic whiteboard directly touch operation is realized in projector the problem of.The system includes：Electronic whiteboard, projector, external computer；Built-in touch signal acquisition module, touch signal processing module and UART signal level shifting circuit in electronic whiteboard；The touch signal collected is converted to touch point data by touch signal acquisition module, is sent to touch signal processing module；The current operating state that touch signal processing module is fed back according to projector, touch point data are converted into corresponding data format and are sent to projector or external computer；UART signal level shifting circuit is used to change the communication signal level between electronic whiteboard and projector；Projector or external computer are converted to actual touch operation after the data of electronic whiteboard transmission are received.
Description
Technical field
The present invention relates to electronic whiteboard communication scheme, and in particular to a kind of to realize double touch communication modes in electronic whiteboard
Method and system.
Background technology
Electronic whiteboard applies more and more extensive application in teaching, meeting at present, and user utilizes the touch work(of electronic whiteboard
It can easily realize the touch operation computer on electronic whiteboard.But the function phase of this kind of electronic whiteboard is to single, Yong Huwu
Method directly realizes touch operation using the touch function of electronic whiteboard in projector.In other words, common electronic whiteboard departs from
After computer, electronic whiteboard will be like water off a duck's back.
The content of the invention
The technical problems to be solved by the invention are：It is proposed a kind of methods for realizing double touch communication modes in electronic whiteboard
And system, the electronic whiteboard function solved in conventional art is single, the touch function of electronic whiteboard can not be used directly to project
The problem of touch operation is realized on machine.
The present invention solves the technical scheme that above-mentioned technical problem uses：
It is a kind of to realize double systems for touching communication mode in electronic whiteboard, including：Electronic whiteboard, projector, external computer；
Built-in touch signal acquisition module, touch signal processing module and UART signal level conversion in the electronic whiteboard
Circuit；
The touch signal collected is converted to touch point data by touch signal acquisition module, is sent to touch signal processing
Module；
The current operating state that touch signal processing module is fed back according to projector, touch point data are converted to corresponding
Data format is sent to projector or external computer；
UART signal level shifting circuit is used to change the communication signal level between electronic whiteboard and projector；
The projector or external computer are converted to actual touch after the touch point data of electronic whiteboard transmission is received
Touch operation.
As further optimization, it is connected between the electronic whiteboard and projector by RS232 interface.
As further optimization, it is connected between the electronic whiteboard and external computer by USB interface.
In addition, realizing double methods for touching communication mode in electronic whiteboard present invention also offers a kind of, it includes following
Step：
A. touch signal is converted into touch point data when electronic whiteboard collects touch signal；
B. electronic whiteboard is converted to touch point data according to the current operating state that projector feeds back the number of corresponding form
According to being sent to external computer or projector；
C. external computer or projector are converted to actual touch operation after touch point data is received.
Optimize as further, in step b, the projector is fed back to current working condition by RS232 interface
Electronic whiteboard.
Optimize as further, in step b, electronic whiteboard will be touched according to the current operating state that projector feeds back and counted
External computer or projector are sent to according to the data for being converted to corresponding form, is specifically included：
If Current projection machine is in external computer model, touch point data are converted into USB format data, pass through USB
Interface is sent to external computer；
If Current projection machine is in non-external computer model, touch point data are converted into RS232 protocol formatted datas,
Projector is sent to by RS232 interface.
The beneficial effects of the invention are as follows：Using duplex pattern so that electronic whiteboard can not only be touched by USB and communicated
Pattern is realized to be operated to external computer touch；But also it can be realized by RS232 touch communication mode and projector is touched
Touch operation.So, in the case where departing from computer, the electronic whiteboard is remained able to using the built-in whiteboarding software of projection, regarded
The functions such as frequency broadcasting, document viewing realize simple teaching and conference presentation so that electronic whiteboard operation is more convenient.
Brief description of the drawings
Fig. 1 is to realize double system architecture diagrams for touching communication mode in electronic whiteboard in the present invention.
Embodiment
The present invention is directed to propose a kind of realize double method and system for touching communication mode in electronic whiteboard, solves traditional skill
Electronic whiteboard function in art is single, the touch function of electronic whiteboard can not be used directly to realize touch operation in projector
Problem.Electronic whiteboard in the present invention is using two kinds of USB and RS232 touch the same projector of communication mode, external computer is led to
News.So that user can not only carry out touch operation to external computer, can also carry out touch operation direct to projector.This side
Case is convenient for users to use, adds the ease for use of product.
As shown in figure 1, double systems for touching communication mode are realized in electronic whiteboard in the present invention, including：Electronic whiteboard,
Projector, external computer；
Built-in touch signal acquisition module, touch signal processing module and UART signal level conversion in the electronic whiteboard
Circuit；
The touch signal that touch signal acquisition module is responsible for collecting is converted to touch point data, is sent to touch signal
Processing module；
The current operating state that touch signal processing module is fed back according to projector, touch point data are converted to corresponding
Data format is sent to projector or external computer；
UART signal level shifting circuit is used to change the communication signal level between electronic whiteboard and projector；
The projector or external computer are converted to actual touch after the touch point data of electronic whiteboard transmission is received
Touch operation.
In specific implementation, electronic whiteboard touches the same projector of communications protocol, external electricity using two kinds of USB2.0 and RS232
Brain is communicated.So that user can not only carry out touch operation to external computer, projector can also directly be touched
Operation.
Built-in touch signal acquisition module, touch signal processing module and UART signal level conversion electricity on electronic whiteboard
Road.The touch signal that touch modules are responsible for collecting is converted to touch point information, is sent to touch signal processing module.
When projector is in external computer model, current operating state is sent and touched by RS232 ports by projector
Signal processing module.Touch signal data is transferred to by touch signal processing module according to USB2.0 communications protocol by USB line
External computer.After computer receives touch signal data, you can realize touch operation of the electronic whiteboard to computer.
During in non-external computer model, projector is sent current operating state on electronic whiteboard by RS232 ports
Touch signal processing module.Touch signal data is passed through middle control line by touch signal processing module according to RS232 communications protocol
It is transferred to projector.After projector receives touch signal data, projector's touch operation is converted to, you can realize electronic whiteboard
It is interactive with projector.
Based on above-mentioned, the touch function of the invention for making full use of electronic whiteboard so that projected in electronic whiteboard interactive system
Machine is no longer display effect, not only supports computer end to touch using the electronic whiteboard of double touch communication mode schemes, and will
Projector is changed into real interactive projection machine.User using the built-in whiteboarding software of projection, can regard in the case where departing from computer
The functions such as frequency broadcasting, document viewing realize simple teaching and conference presentation.Computer can really be departed from by providing the user one kind
The interactive electronic white board used.
Claims (6)
1. a kind of realize double systems for touching communication mode in electronic whiteboard, it is characterised in that including：Electronic whiteboard, projector,
External computer；
Built-in touch signal acquisition module in the electronic whiteboard, touch signal processing module and UART signal level conversion electricity
Road；
The touch signal collected is converted to touch point data by touch signal acquisition module, is sent to touch signal processing mould
Block；
The current operating state that touch signal processing module is fed back according to projector, touch point data are converted into corresponding data
Form is sent to projector or external computer；
UART signal level shifting circuit is used to change the communication signal level between electronic whiteboard and projector；
The projector or external computer are converted to actual touch behaviour after the touch point data of electronic whiteboard transmission is received
Make.
2. a kind of systems for realizing double touch communication modes in electronic whiteboard as claimed in claim 1, it is characterised in that described
It is connected between electronic whiteboard and projector by RS232 interface.
3. a kind of systems for realizing double touch communication modes in electronic whiteboard as claimed in claim 1, it is characterised in that described
It is connected between electronic whiteboard and external computer by USB interface.
4. a kind of realize double methods for touching communication mode in electronic whiteboard, it is characterised in that comprises the following steps：
A. touch signal is converted into touch point data when electronic whiteboard collects touch signal；
B. electronic whiteboard is converted to touch point data according to the current operating state that projector feeds back the data hair of corresponding form
Give external computer or projector；
C. external computer or projector are converted to actual touch operation after touch point data is received.
A kind of 5. methods for realizing double touch communication modes in electronic whiteboard as claimed in claim 4, it is characterised in that step
In b, current working condition is fed back to electronic whiteboard by the projector by RS232 interface.
A kind of 6. methods for realizing double touch communication modes in electronic whiteboard as claimed in claim 4, it is characterised in that step
In b, the data that electronic whiteboard is converted to touch point data according to the current operating state that projector feeds back corresponding form are sent
To external computer or projector, specifically include：
If Current projection machine is in external computer model, touch point data are converted into USB format data, pass through USB interface
It is sent to external computer；
If Current projection machine is in non-external computer model, touch point data are converted into RS232 protocol formatted datas, passed through
RS232 interface is sent to projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045822.1A CN107728926A (en) | 2017-10-31 | 2017-10-31 | It is a kind of to realize double method and system for touching communication mode in electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045822.1A CN107728926A (en) | 2017-10-31 | 2017-10-31 | It is a kind of to realize double method and system for touching communication mode in electronic whiteboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107728926A true CN107728926A (en) | 2018-02-23 |
Family
ID=61203515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711045822.1A Pending CN107728926A (en) | 2017-10-31 | 2017-10-31 | It is a kind of to realize double method and system for touching communication mode in electronic whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107728926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703613A (en) * | 2021-09-01 | 2021-11-26 | 广州朗国电子科技股份有限公司 | Electronic whiteboard interface signal switching device and method based on touch frame |
Citations (7)
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|---|---|---|---|---|
| US20040263488A1 (en) * | 1991-10-21 | 2004-12-30 | Martin David A | Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks |
| CN103123752A (en) * | 2011-11-21 | 2013-05-29 | 北京中科昊普科技有限公司 | Audio-video playing system and method based on electronic whiteboard |
| CN203224857U (en) * | 2013-03-27 | 2013-10-02 | 深圳市华拓科技有限公司 | Interactive electronic whiteboard for controlling projector |
| US20150002435A1 (en) * | 2012-02-13 | 2015-01-01 | Hitachi Consumer Electronics Co., Ltd. | Projector, figure input/display apparatus, portable terminal, and program |
| CN204117025U (en) * | 2014-08-25 | 2015-01-21 | 深圳市鸿合创新信息技术有限责任公司 | A kind of intelligent box of touch display system |
| CN204808612U (en) * | 2015-05-16 | 2015-11-25 | 青岛坤显电子有限公司 | Mutual all -in -one of electronic blackboard |
| CN105760019A (en) * | 2016-02-22 | 2016-07-13 | 广州视睿电子科技有限公司 | Touch operation method based on interactive whiteboard and system thereof |
-
2017
- 2017-10-31 CN CN201711045822.1A patent/CN107728926A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040263488A1 (en) * | 1991-10-21 | 2004-12-30 | Martin David A | Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks |
| CN103123752A (en) * | 2011-11-21 | 2013-05-29 | 北京中科昊普科技有限公司 | Audio-video playing system and method based on electronic whiteboard |
| US20150002435A1 (en) * | 2012-02-13 | 2015-01-01 | Hitachi Consumer Electronics Co., Ltd. | Projector, figure input/display apparatus, portable terminal, and program |
| CN203224857U (en) * | 2013-03-27 | 2013-10-02 | 深圳市华拓科技有限公司 | Interactive electronic whiteboard for controlling projector |
| CN204117025U (en) * | 2014-08-25 | 2015-01-21 | 深圳市鸿合创新信息技术有限责任公司 | A kind of intelligent box of touch display system |
| CN204808612U (en) * | 2015-05-16 | 2015-11-25 | 青岛坤显电子有限公司 | Mutual all -in -one of electronic blackboard |
| CN105760019A (en) * | 2016-02-22 | 2016-07-13 | 广州视睿电子科技有限公司 | Touch operation method based on interactive whiteboard and system thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703613A (en) * | 2021-09-01 | 2021-11-26 | 广州朗国电子科技股份有限公司 | Electronic whiteboard interface signal switching device and method based on touch frame |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
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| RJ01 | Rejection of invention patent application after publication |