CN101770313A - Shadow-free whiteboard - Google Patents
Shadow-free whiteboard Download PDFInfo
- Publication number
- CN101770313A CN101770313A CN200810204821A CN200810204821A CN101770313A CN 101770313 A CN101770313 A CN 101770313A CN 200810204821 A CN200810204821 A CN 200810204821A CN 200810204821 A CN200810204821 A CN 200810204821A CN 101770313 A CN101770313 A CN 101770313A
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- whiteboard
- shadow
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- free
- screen
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Abstract
The invention relates to a whiteboard, in particular to a shadow-free whiteboard, which mainly c comprises: an electronic sensing whiteboard, a plurality of processing information and a user computer which is provided with teaching software packages, and various data lines for signal transmission, wherein, the electronic sensing whiteboard is a rear projection touch screen. The advantages of the interactive whiteboard designed in the invention are as follows: the operation is convenient, the function is perfect, and the cost is low; the rear projection technology is adopted, therefore, the whiteboard has no shadow, the using is more convenient, and the projection method of the traditional projector is completely abandoned.
Description
Technical field
The present invention relates to a kind of electronic whiteboard, be specially a kind of novel shadow-free whiteboard.
Background technology
Interactive electric whiteboard (Interactive Whiteboard) is a kind of alternative traditional blackboard that emerges recently in the world, the digitizing teaching demonstration equipment of chalk, is to converge multiple high-tech means such as most advanced and sophisticated electronic technology, software engineering and Internet technology and the new high-tech product researched and developed.Its appearance, it is revolutionary a breakthrough to the outmoded teaching pattern of the blackboard that follows the centuries, chalk, blackboard eraser " trinity ", its revolutionary meaning replaces traditional manual camera, the traditional cassette recorder of CD player replacement as digital camera, has complied with the trend of Informatization Development fully.
This blank is based on a kind of input equipment with human-computer interaction function of PC, it by with the online use of projector, computing machine, utilize the data processing function and the internet information propagation function of computing machine, can easily realize functions such as information presentation, editor, printing, writing on the blackboard, storage and remote interaction.Because the low reflective drop shadow effect that its surface is good, the curtain that can be used as projector uses, and characteristic heat-resisting, wear-resisting, that can clean then satisfies as the direct hand-written demand of traditional blackboard.It is the integrated of a kind of electronic induction blank (hardware) and application software.
Interactive electric whiteboard system is a kind of high-level teaching, training and meeting demonstration equipment of new emergence.But electric whiteboard system ubiquity in the market following defective: projector is generally in the place ahead of electronic whiteboard, and the speaker is also in the place ahead of electronic whiteboard, cause many time shadow to impinge upon on the electronic whiteboard, make teacher speaker can't accurately put the zone of needs response with electronic pen with teacher.
Summary of the invention
The objective of the invention is for a kind of novel shadow-free whiteboard is provided, on the electronic whiteboard of being everlasting, produce shade with what solve prior art, and make the user can't click the problem of target location; Electronic pen that also can abandoning tradition in addition
Purpose of the present invention can be achieved through the following technical solutions.
A kind of shadow-free whiteboard is made up of following major equipment: an electronic induction blank; Some process informations and the user computer that the teaching software kit is installed; And various data lines for the signal transmission; Described electronic induction blank is the back projection type touch-screen.
The induction system that infrarede emitting diode that described back projection type touch-screen is several marshallings and infrared receiving module are formed; Light emitting diode is arranged at the blank periphery, transmit direction is inside, the plate face zone of whole electronics is set to an infrared light region, infrared receiving module receives touch information, and convert it to contact coordinate, send controller again to, its can receive simultaneously the order that controller sends and be carried out.
Described user computer is the multifunctional learning machine of integrated teaching software, is provided with to write, mark, revise, wipe and preserve the file function module; Described automatic deposit, can be provided with can complete preservation teaching process: can extemporaneously play in teacher's teaching process temporarily, mark on digital blank.The teacher can be kept on the hard disk of PC automatically in the writing on the blackboard on the digital blank, and is printable after class.
The using method of interactive electric whiteboard of the present invention is simple, almost has no difference with traditional blank, blackboard, does not need special training.Even the teacher who is unfamiliar with computer technology is left-hand seat easily also.
Neither there is the dust pollution of traditional blackboard in electronic whiteboard, does not also exist in the computing machine classroom PC to student's radiation pollution and eyesight influence.
By the interactive electric whiteboard that the present invention designs, have the characteristics of easy to operate, perfect in shape and function, low cost; And because the technology of having used rear-projection to touch, shadow-free on blank uses more conveniently, has abandoned traditional projector's projection pattern fully.
Embodiment
Further specify design main points of the present invention below in conjunction with specific embodiment.
It is made up of following major equipment: an electronic induction blank; Some process informations and the user computer that the teaching software kit is installed; And various data lines for the signal transmission; Described electronic induction blank is the back projection type touch-screen.
The induction system that infrarede emitting diode that described back projection type touch-screen is several marshallings and infrared receiving module are formed; Light emitting diode is arranged at the blank periphery, transmit direction is inside, the plate face zone of whole electronics is set to an infrared light region, infrared receiving module receives touch information, and convert it to contact coordinate, send controller again to, its can receive simultaneously the order that controller sends and be carried out.
Embodiment 1
In the classroom, PC is in the backstage, and what the student faced is teacher and digital blank, and is just the same with traditional classroom.The teacher does not need to do on the computing machine any operation in the teaching process, only need on the electronic induction blank, operate with electronic pen, operated content can be presented on the preceding computer screen of student, this shows, in interactive electric whiteboard system, between student and the teacher not because of the position too far or too oblique, and difference to some extent on the effect of listening to the teacher that causes.
From teacher's angle, the teacher can in time understand student's learning psychologies, in time adjusts teaching process, teaching ways; From student's angle, help the stable of students ' enthusiasm and continue, the raising of learning efficiency, the formation of the development of intelligence and good attitude towards study.Reach the interaction of learning aid, this is a core of education always.
Embodiment 2
Computing machine falls back on the backstage in digital classroom, and digital blank becomes a star, and the teacher becomes the core of teaching.The teacher utilizes digital blank to give full play to the function of various audio-visual education programme coursewares, makes to teach vividly, has improved students'interest in learning.The interactive function of digital blank strengthens the understanding of student to notion; Present various variants, solution, expansion student's thinking; The image of real situation is provided, enriches experiences of learning; The student can operate on blank, reaches the interaction of learning aid, makes the student see the evolution result of their thinking, improves the interactivity and the property of participation of teaching.
This product can allow more school that better educational equipment is arranged, and allows more student that better condition for study is arranged, and can reduce dust pollution, raising student learning interest, the raising teaching efficiency of classroom traditional blackboard teaching pattern, promotes the process of IT application in education sector.Simultaneously, the exploitation of peripheral product, application resource and popularization can form the complete product chain of electronic whiteboard, peripheral product (handwriting pad, answer device, Student computer), auxiliary products (projector, computer) and application software and resource (courseware, resources bank).
Claims (2)
1. shadow-free whiteboard, it is characterized in that: it is made up of following major equipment: an electronic induction blank; Some process informations and the user computer that the teaching software kit is installed; And various data lines for the signal transmission; Described electronic induction blank is the back projection type touch-screen.
2. a kind of shadow-free whiteboard according to claim 1 is characterized in that: the induction system that described back projection type touch-screen is formed for the infrarede emitting diode and the infrared receiving module of several marshallings; Light emitting diode is arranged at the blank periphery, transmit direction is inside, the plate face zone of whole electronics is set to an infrared light region, infrared receiving module receives touch information, and convert it to contact coordinate, send controller again to, its can receive simultaneously the order that controller sends and be carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810204821A CN101770313A (en) | 2008-12-30 | 2008-12-30 | Shadow-free whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810204821A CN101770313A (en) | 2008-12-30 | 2008-12-30 | Shadow-free whiteboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101770313A true CN101770313A (en) | 2010-07-07 |
Family
ID=42503212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810204821A Pending CN101770313A (en) | 2008-12-30 | 2008-12-30 | Shadow-free whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101770313A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355095A (en) * | 2014-08-23 | 2016-02-24 | 龙腾 | Holographic teaching (meeting) whiteboard |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5850250A (en) * | 1994-07-18 | 1998-12-15 | Bell Atlantic Maryland, Inc. | Video distance learning system |
| CN101075168A (en) * | 2007-06-22 | 2007-11-21 | 北京汇冠新技术有限公司 | Method for discriminating multiple points on infrared touch screen |
| CN200983647Y (en) * | 2006-12-14 | 2007-11-28 | 胡桐财 | Interactive audio and video remote conference device |
-
2008
- 2008-12-30 CN CN200810204821A patent/CN101770313A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5850250A (en) * | 1994-07-18 | 1998-12-15 | Bell Atlantic Maryland, Inc. | Video distance learning system |
| CN200983647Y (en) * | 2006-12-14 | 2007-11-28 | 胡桐财 | Interactive audio and video remote conference device |
| CN101075168A (en) * | 2007-06-22 | 2007-11-21 | 北京汇冠新技术有限公司 | Method for discriminating multiple points on infrared touch screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355095A (en) * | 2014-08-23 | 2016-02-24 | 龙腾 | Holographic teaching (meeting) whiteboard |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100707 |