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What is an interactive whiteboard?

An interactive whiteboard is a device used with a projector and a computer. The image from the computer is displayed on the interactive whiteboard, as on a regular screen, using a projector. Using a marker or finger, you can control computer applications or make notes on top of an image without leaving the board. Any interactive whiteboard has software, which, depending on the purpose for which the board is intended, includes a different set of capabilities - from simple drawing over an image from a computer or virtual white sheet with the ability to save work results, to creating multi-page lessons and presentations with manageable objects, video clips inserted onto pages and numerous functions that make working with the board easier.

How to use an interactive whiteboard?

Getting started with an interactive whiteboard is quite simple. A marker or finger is used instead computer mouse By selecting the drawing tool, you can easily make marks on top of the image.
Depending on complexity software each interactive whiteboard and the tasks for which it is planned to be used, mastering all the necessary functions of the board may require more or less time, but working with the basic functions common to all interactive whiteboards does not require special training. The board software is made intuitive to make it easier to put a new tool into work and reduce the time spent on mastering it. Training to work with interactive whiteboards is in demand mainly in educational institutions, where it is necessary not only to master the basic tools of the board, but also to become familiar with the techniques of creating interactive lessons.
Company "Infology".

What types of interactive whiteboards are there?

Interactive whiteboards are produced using various technologies determining the position of a marker or finger on the board surface.

The most common on the market:

• resistive technology;
• infrared technology;
• combination of infrared and ultrasound technology;
• electromagnetic technology;
• microdot technology;
• capacitive technology.

Resistive technology

The surface of interactive whiteboards based on resistive technology, consists of two layers, between which sensors are located. When you press any object on top layer sensors determine the location of the touch and transmit information to the computer. Resistive technology allows you to control computer applications and make notes with your finger or any object. The disadvantage of this technology is that it is more high risk failure of the board as a result of surface damage. This technology was widely used in the past, such as in interactive whiteboards and some other manufacturers, but is rarely seen these days.

Infrared technology

Infrared technology also allows you to work with the board with any object. This technology comes in two versions.

More common is using cameras and a reflective surface around the perimeter of the board. Infrared cameras “see” any object that is brought close enough to the surface of the board (that is, they fix a dark area on a shiny reflective surface), determine the coordinates of the contact and transmit it to the computer. At the same time, there are no sensors on the surface of the board, which increases its resistance to damage. This technology is used in interactive whiteboards by most serious manufacturers.
The second version of this technology is pairs of infrared emitters and sensors located opposite them. The entire surface of the board is thus covered with an infrared mesh; the point of contact is determined by which rays are interrupted. This technology is typical for budget models.

Infrared and ultrasonic technology allows you to work with the board only with a special marker. When the marker touches the surface, it emits an ultrasonic and infrared signal, which is detected by sensors in the frame of the board. There are no sensors in the surface of the board that can be damaged. Infrared and ultrasonic technology were used in older models and are now more common on interactive set-top boxes.

Electromagnetic technology

Electromagnetic technology also implies the use of a special marker with the interactive whiteboard. Its position is determined by sensors in the surface of the board. This technology is used in and Interwrite. The same technology is used in wireless tablets, as well as in interactive panels that replace a computer monitor.

Microdot technology

Microdot technology allows you to make the board completely wireless. Dots that are almost invisible to the naked eye are marked on the surface of the marker board; a camera built into the marker uses them to determine the coordinates of the point of contact. The Bluetooth transmitter, also built into the electronic marker, transmits the coordinates of the touch point to the computer, and the board does not require either power or wireless connection. This technology is used in the Eno series boards.

Capacitive technology

Capacitive technology allows you to control it with your finger, but at the same time the surface of the board remains very durable and wear-resistant. The place of contact is determined by the change in the electrical capacitance of the board surface. This technology allows you to recognize multiple finger touches simultaneously. Capacitive technology is used.

Thus, the technology used in interactive whiteboards determines what can be used with the board (whether a special electronic marker is required or any object is used), how resistant the board is to damage, and whether it is difficult to limit the possibility of its unauthorized use.

More detailed descriptions interactive whiteboards from various manufacturers and their capabilities.

IN lately interactive whiteboards began to be used with ultra-short throw projectors, which are attached to the wall directly above the board. This makes working with the board more comfortable.

Most interactive whiteboards can recognize multiple finger or pen touches at the same time. Multi-user boards can be created using a variety of technologies and are functionality due to this they differ.

There are devices related to interactive whiteboards - .

Where are interactive whiteboards used?

Interactive whiteboards are used in the field of education And V business sphere .

In educational institutions Classrooms are equipped with interactive whiteboards. Most manufacturers of interactive whiteboards focus their products specifically on the field of education, paying great attention to the development of software that allows you to create interactive lessons and include large number variety of materials in electronic form. Interactive whiteboards are used in preschool institutions, secondary education institutions, and higher education institutions. Interactive whiteboard - universal tool, which can be used by a teacher at any educational institution to explain new material or organize teamwork.

In business

In business interactive whiteboards are mainly used for meetings and negotiations, they are equipped with executive offices and meeting rooms. Interactive whiteboards, intended primarily for business use, feature simpler software designed to work with materials prepared in standard applications (for example, Microsoft Office), such whiteboard software is easy to master; any participant in a meeting or negotiation can get involved in the work without any prior preparation.

Do you need an interactive whiteboard that would be available in Moscow? Browse the catalog of the specialized online store Videx. More than 120 models of electronic devices from the most popular manufacturing companies in Russia are collected here. Attention! If you're new, pay attention to the capabilities of supported software and don't be afraid to ask an advisor for advice.

Equipment Features

Have you just started getting acquainted with the equipment and are you wondering what determines its price? Let's look at the main capabilities of modern solutions.

An electronic board, unlike a conventional chalkboard, provides an advanced approach to the presentation of material. When working with it, there is no need to use didactic printing and waste time searching/preparing it. Using an interactive whiteboard, a presentation can be created on a computer, displaying photos, video and audio content on a large screen. All information is conveniently stored on the hard drive.

Main feature electronic device is its interactivity. Record the course of the lesson, make notes over existing documents, send received notes by email - all this is possible on one screen. However, when buying an electronic board, keep in mind: it cannot broadcast the image on its own. To work with the board you need a projector; the screen only reads signals from the surface.

How to choose and purchase equipment: main characteristics

The main characteristics of an interactive whiteboard are size, aspect ratio and technology used. Total for at the moment Three types of devices have been developed:

• Resistive boards: stylus, pointer, finger control. Pros: ease of handling. Disadvantages: response speed and fragility. Suitable for educational purposes at school or university;
• Electromagnetic models: electronic pen control. Pros: hard surface, high response speed. Of the minuses: lack of a sensor, reaction to touch. Worth purchasing for drawing, algebra and geometry classes. Accepts the use of common drawing supplies;
• Infrared devices: stylus or palm control. Pros: hard anti-vandal surface, excellent response speed, multi-touch function (simultaneous touching with several fingers or objects). Disadvantages: relatively high cost. Recommended for educational (including preschool segment) and business purposes.

2 Operating principle of an interactive whiteboard

An interactive whiteboard, like a mouse, can be called a data input device into a computer. When you touch the interactive whiteboard's surface, it detects the horizontal and vertical coordinates (x, y) of your touch. Having received these coordinates, the computer mouse driver moves the mouse pointer to the corresponding point on the computer screen.

As long as all the pens and eraser are in place in the tray, the SMART Board software interprets touches on the board as mouse clicks and pointer movements. When you take a pen or eraser from the tray, sensors detect it, allowing the software to know which tool you've selected. The SMART Board software then communicates with your computer's mouse driver, and the driver turns the mouse pointer into a colored pen or eraser, allowing you to draw and erase colored lines on your computer screen.

Projection mode. To use your SMART Board interactive whiteboard in projection mode (also called mouse mode), you need two components: a computer and a digital projector. These components interact as follows:

An application is launched on the computer, then the image from this application is transferred to the projector;

The projector projects this image onto the interactive whiteboard;

The interactive whiteboard serves as both a screen and an input device (mouse and keyboard), allowing you to control the application by simply touching its working surface.

Figure 2.1 – Projection mode

When your SMART whiteboard software is running in projection mode, your finger touching the whiteboard surface is interpreted as a mouse click.

You can also take any pen from the tray and write on the board. These entries will also be visible in the application running on the computer. These notes can be saved as a SMART Notebook™ file or directly into the application if it supports inking.

Non-projection mode. If your SMART Board interactive whiteboard is in non-projection mode (also called interactive whiteboard mode), you cannot control the computer by touching the whiteboard. But it remains possible to use the Notebook application to receive and save notes from the board to a file. These records can also be printed on a printer.

Based on the technologies used in interactive whiteboards, they are divided into four main types:

1. Touch analog-resistive technology (Interactive whiteboards using analog-resistive technology are produced by Egan TeamBoard, Interactive Technologies, SMART Technologies).

2. Electromagnetic technology (GTCO Calcomp, Promethean, ReturnStar, Sahara Interactive companies.)

3. Laser technology (PolyVision).

4. Ultrasonic/infrared technology (Interactive whiteboards using ultrasonic/infrared technology are produced by Hitachi and Panasonic.)

Front projection boards are the most widely used, although they have an obvious drawback: the presenter may block part of the image. To avoid this, the projector is suspended from the ceiling as close to the board as possible, the lens is tilted down, and the resulting trapezoidal distortion is compensated using a digital correction system.

Rear projection boards, where the projector is behind the screen, are significantly more expensive and take up more room in the classroom than front projection boards. Since the screen operates through transmission, there may be problems with image visibility at large angles.

Recently, special models of projectors with a short throw lens have appeared on the market, designed to work with interactive whiteboards. Manufacturers of boards are increasingly offering ready-made complexes, which include boards and short-throw projectors attached to them on top of a rod.

Analog resistive touch technology

Example: SMART BOARD 660i

An analog-resistive board is a multi-layer “pie” covered with wear-resistant polyester plastic with a matte surface and a wide angle of light scattering.

The surface is soft enough to flex slightly when pressed.

The boards work for many years without losing quality and reliability. The main threat to the surface is the accidental use of felt-tip pens, after which the plastic can be difficult to wash.

High screen resolution.

To work, you don’t need to have special markers; you can use your finger or pointer.

When working, you should not rest your hand on the board: it will immediately react to this and it will be impossible to write or draw anything.

Interactive whiteboards using analog-resistive technology are produced by Egan TeamBoard, Interactive Technologies, PolyVision, SMART Technologies.

Electromagnetic technology

Example: INTERWRITE BOARD 1077

Using electromagnetic technology, the interactive whiteboard has hard surface. Inside the layered structure there are regular lattices of frequently located vertical and horizontal coordinate conductors. To work you need a special marker. Electromagnetic boards usually respond to user input somewhat faster than analog resistive boards. Their information output speed is 100-120 pairs of coordinates per second, and, therefore, the system’s response time is limited only by the computer’s performance. The technology was originally developed for digitizers, and therefore the internal resolution of the system (1000-2000 lines per inch and higher) is excessive for the tasks solved by the board.

Laser technology

Example: Webster LT

Laser technology for interactive whiteboards required a lot of skill to develop. The system includes two infrared laser protractors, usually located on top of the corners of the board.

To work you need a special marker. Information about button presses is sent to the system via ultrasound or some other type of signal.

The fundamental disadvantage of laser technology is that the presenter can accidentally block the laser beam, as a result of which the process of measuring coordinates is disrupted. Laser interactive whiteboards are the most expensive to produce. As far as we know, they are produced by only one company - PolyVision.

Ultrasonic/infrared technology

The system, patented under the name eBeam, takes advantage of the difference in the speed of propagation of light and sound waves.

The main disadvantage of ultrasonic/infrared technology is the same as that of electromagnetic and laser technology - it is necessary to use a special electronic marker. The electronic marker emits both IR light and ultrasound.

Interactive whiteboards using ultrasonic/infrared technology are produced by Hitachi, Panasonic and ReturnStar.

The MIMIO system is not an interactive whiteboard as such, but can turn any other board into one, which is not intended for this at all. The device consists of a sensor attached with Velcro to the surface of the board, and a marker with an ultrasound source and a compartment for a regular marker. There is an ultrasonic sponge that can be used to wash both fine lines, so large areas.

The undeniable advantage of such a system is its excellent transportability and the possibility of obtaining interactive whiteboards with large diagonals, and main problem The problem is that the plastic case is not strong enough to withstand long-term use and repeated re-hanging from place to place. Moreover, this is the most cheap option creating an interactive complex.

Figure 2.2 – Electrical circuit diagram interactive whiteboard

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Spaces, which is especially useful in technology lessons. Conclusions. All the main teaching methods have been listed above. fine arts. The effectiveness of their use will be achieved only with the integrated use of these methods. Teacher primary classes should give preference to methods that make the work active and interesting, introduce elements of play and...

... . (see Appendix) 2.1. Analysis of the study. The hypothesis of my research was that the use of an interactive approach in teaching foreign languages effectively influences the level of speaking. After conducting observations, I identified 2 classes in which I will use interactive teaching methods, and in the remaining three parallels, I will use traditional training. And look at the result of knowledge...

That the vast majority of people are able to effectively learn electronically, naturally, subject to the availability of adequate educational content (course content). The development of a distance learning system for NIPK will provide a tangible economic and social effect in the organization’s activities. Efficiency in general view is considered as the main characteristic of the functioning of the system...

What is an interactive whiteboard?

An interactive whiteboard is convenient modern instrument For effective implementation meetings, business presentations, seminars and training sessions. Interactive whiteboards not only combine the benefits of a large projector screen and a whiteboard, but also allow you to save all the notes and changes made during a discussion and even control computer applications without leaving the board or interrupting the presentation.

What is an interactive whiteboard?

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How to use an interactive whiteboard?

Using a special electronic marker or even your finger, you can make notes on top of the image projected onto the board, which will be saved in a special file on your computer. The presenter can not only highlight fragments of an image on the screen using a marker, but also make corrections to the text, control computer applications with a marker or finger like a computer mouse, and use numerous functions that make the speech or presentation more lively and visual.

What types of interactive whiteboards are there?

Manufacturers of interactive whiteboards use different technologies to determine the position of the writing instrument on the board.

Video camera" href="/text/category/videokamera/" rel="bookmark">video cameras. When using this technology, the performance and accuracy of cursor positioning are significantly increased, and functionality is increased. This technology is implemented in SmartBoards.

Infrared and ultrasonic technologies - supplying the surface of the board with infrared and ultrasonic sensors that determine the position of the markers and eraser. The writing part of the markers is inserted into a special frame that interacts with sensors. Infrared and ultrasonic sensors can be built into attachments that, when attached to a regular marker board make it interactive. The disadvantage of the technology is that such boards are susceptible to influence from extraneous sources of radiation.

Laser technology uses two infrared lasers located on the top edge of the board that track a marker as it moves across the surface. Laser scanners, receiving the reflected signal from the rims printed on the markers, determine the exact position of the marker. This technology is used in Polyvision interactive whiteboards.

Electromagnetic technology is based on the transmission of electronic signals from a writing device, which can be either a special electronic pencil or markers embedded in electronic holders.

In addition, interactive whiteboards can be forward and backward projection. There are also interactive attachments for plasma monitors that turn them into touch plasma screens.

With direct projection, the projector shines “outside”, from the side of the speaker.

In rear projection boards, the projector is located behind a translucent interactive screen in a special housing.

Where are interactive whiteboards used?

The scope of application of interactive whiteboards and panels is very extensive.

In the field of education, they enable the teacher to work with electronic card, diagram, drawing, painting. The ability to transmit data over the Internet makes the electronic interactive whiteboard an excellent tool for distance learning.

The ability to save printed images as a file and exchange them via communication channels makes interactive whiteboards a good solution for equipping situational and crisis centers.

Another broad sector of application for interactive whiteboards is business presentations, meetings and seminars. In addition to working with standard business graphics, these tools are ideal for demonstrating software or an Internet site to a wide audience. In this case, the speaker is not strictly tied to the computer, mouse and keyboard, so the presentation becomes more lively and listener-oriented.

Interactive whiteboards are increasingly in demand from travel agencies who use them to demonstrate to clients, select and coordinate tourist routes.

How to use your interactive whiteboard

The best way to understand how an interactive whiteboard works is to simply try working with it. You'll see how easy it is to control your computer right from the board. Everything you can use on a computer can be found on an interactive whiteboard.

To get the most out of your interactive whiteboards, you need the following:

Equipment components:

Interactive whiteboard and software for it, computer and projector

You should also take care about additional software and other multimedia resources.

You also need to pay attention

· Installation

Operation/warranty

Security

· Connection to the school network and the Internet

It is important to remember that there may be additional costs that must be considered when using an interactive whiteboard. For example, you may need spare lamps for your projector. They are expensive, but they last a very long time.

What is an interactive whiteboard for?

Interactive whiteboards can change teaching and learning in a variety of ways. Here are three of them:

1. Presentations, demonstrations and modeling

Using the right software and resources in combination with an interactive whiteboard can improve your understanding of new ideas.

However, the benefits of using an interactive whiteboard for students and teachers are significant. The teacher may have necessary materials inside one file, linking them with hyperlinks. Audio and video files can be easily monitored using the board, playing short excerpts if necessary. Any comments and additions to the file can be saved and used in future lessons and for repetition.

Students admit that working with an interactive whiteboard is much more interesting than just working with printed material. They believe that the multimedia approach helps them focus and actively participate in the discussion.

It is very important for the teacher to prepare properly and ensure a good pace of the lesson, maintaining it throughout the entire time. Interactive whiteboards save time because they allow you to store all your materials on one computer.

Interactive whiteboards help present new information, stimulate discussion of a topic and the process of creating new ideas.

Another example effective use interactive technologies can serve as an example for studying the history of the Second World War, in particular the Holocaust. In the previous lesson, students discussed what propaganda is and how it can be used to influence people. Now students will look at how the Nazis used propaganda during World War II in practice. The teacher shows three posters that were found on the Internet and placed in the presentation, each depicting Hitler differently.

The first poster shows Hitler surrounded by children. He is dressed in a Nazi uniform, and the edge of a Nazi flag can be seen in the corner of the poster. Hitler plays with children and looks very friendly.

The teacher uses the spotlight, an interactive whiteboard tool that allows you to highlight just a small area of ​​the image to draw students' attention to it. Before asking students what he is wearing and what impression this person leaves, the teacher suggests carefully studying the image.

He then opens the poster more and more and asks students to comment on what they see and ask questions. Then he invites students to the board so they can add comments over the image. The poster is now visible in its entirety along with the comments. The teacher encourages students to pay attention to detail in order to analyze the image as thoroughly as possible.

This process is repeated for the other two posters. In them, Hitler doesn't look so friendly anymore. The teacher guides students to the right direction, offering to analyze the techniques that were used in the posters and compare different approaches to the image of a dictator.

On the last slide, the teacher can show all three images at once, so that they can be more easily compared. Drawing on previous knowledge about Germany at the time, students discuss the meaning of each poster and what audience they were intended for.

The interactive whiteboard allows you to show all the images in color and manipulate them - write on top of them, change their size - what in in this case, fully meets the needs of the teacher.

In a lesson on the topic “Perestroika in Russia”, students became familiar with the main events that took place during this period, and in the next lesson the teacher asks to systematize the knowledge gained. The teacher suggests a discussion to help students consolidate what they have learned and prepare for the next assignment.

The teacher opens the file on the interactive whiteboard and shows the whole class what he has prepared for the lesson. This preparation took him no more than 10 minutes. He then gives students the time and starts an on-screen stopwatch, which is available in some software. For a certain period of time, students work in small groups, deciding which words can be grouped and which problem they relate to. The teacher may allow them to use their notes.

After 5 minutes, each group chooses its own “representative”, who goes to the interactive whiteboard to place keywords that determine the nature of the restructuring processes, and then explain his choice. IN in this example Students placed the key words for one of the problems inside the circle. After this, a discussion begins about why these particular events and people were included in the classification, and why they were a problem in post-Soviet Russia. Some words may be used twice. The teacher can structure this task as a game, asking the student who answers well to choose who will go to the board next. At the end of the lesson, students sort the words and come up with titles for each “problem.”

The interactive whiteboard allows you to rearrange objects in different ways - so the student can check whether he is thinking correctly, and if he is wrong, the word can always be moved back. This allows discussion to develop in the class. The teacher and students can record comments and additions directly on the screen.

This activity can also be done using traditional methods, such as using cards and sticky tape. However, in order to work with them more than once, they need to be saved somewhere. The electronic version allows you to store everything on one computer, share materials with colleagues and quickly change them, adapting them for different classes, and the teacher can “post” them on the interactive board in literally a matter of seconds.

Interactive whiteboards

Interactive whiteboards is a device that combines a screen and a marker board, which has become a traditional device in offices and schools. Using this multimedia device, it is possible to demonstrate videos, slides, make notes in real time, as well as draw graphs and diagrams, and draw like on regular office boards. At the same time, these electronic boards allow you to save all the necessary information on your computer for re-display or subsequent processing.

1. GENERAL INFORMATION, DESCRIPTION OF TECHNOLOGIES

How interactive whiteboards work

Electronic boards are equipped with a shock-resistant canvas onto which an image is projected using a projector beam. Special sensors continuously intercept touches of hands and markers to the surface for subsequent transmission of coordinates to the computer. Processing of incoming data is carried out using software, after which, in reverse order, the processed information is fed from the computer to the interactive whiteboard through the projector.

The canvas of the electronic board is something like a huge monitor, and the interactive system plays the role of a continuous closed connection with the operating principle of “electronic board-computer-projector”. Using this equipment, it is possible to make notes on top of any materials and immediately print them, thanks to which it is actively used in offices, schools and other educational institutions.

2. CAPABILITIES OF THE INTERACTIVE WHITEBOARD

A. Use interactive whiteboards in educational institutions not only greatly expands opportunities, but also increases the efficiency and quality of information exchange between teachers and students, as it allows:

• - connect various devices, such as a video camera or even an electron microscope in order to project images from them onto a large plane;
• - supplement lectures with various video and audio materials, graphs, diagrams, maps;
• - in educational institutions, use Internet resources during classes;
• - prepare page-by-page interactive lessons in advance, and during the lessons themselves, supplement the material with various notes on top of the image;
• - record lessons taught at school for subsequent printing, analysis, distribution to students, and so on.
• - record the lessons taught along with the notes made, analyze, print them and, if necessary, send them to students by e-mail.

B. Interactive whiteboards- the key to saving time
Electronic whiteboards provide access to additional resources - free templates, an impressive gallery of images, as well as ready-made lessons - all this makes it easier to prepare for classes and lectures in schools and other educational institutions. Interactive whiteboards allow you to reproduce the same lesson repeatedly in front of different audiences, while quickly making changes and adjustments.
IN. Interactive whiteboards raise the efficiency of the educational process to a new level
Color drawings and recordings, connection of additional multimedia tools, animations, use of modern visual materials– all this becomes available with the presence of electronic boards in schools. With their help, the fascination and dynamics of the lessons are increased, the children’s perception of the material is facilitated and, in general, the assimilation of information is significantly accelerated.

3. TYPES AND TYPES OF INTERACTIVE WHITEBOARDS

Interactive whiteboards, depending on the location of the projector, can be divided into two classes: with rear and front projection:
- in rear projection boards, the projector is located behind the screen; they take up more space in the classroom and are significantly more expensive than front projection boards.
- electronic whiteboards with front projection are more widespread due to their affordable price, but have an obvious drawback: due to their design, the speaker can block part of the image with himself. To avoid this, the projector is mounted under the ceiling as close as possible to the interactive whiteboard, while tilting the lens down. In this case, trapezoidal distortion appears, which is compensated by digital correction systems.

Also, electronic boards are divided into the following four types, based on the technologies used in them:
A. Electromagnetic technology
Using electromagnetic technology, the boards received a hard surface. They have a layered structure, inside which there are regular lattices of horizontal and vertical coordinate conductors. To use this type of board, you need a special marker.
Electromagnetic touch boards have more fast time response than, for example, analog-resistive ones. They have high speed information output, due to which the system response time is limited only by the performance of the computer itself.

B. Analog resistive touch technology
Interactive whiteboards of this type called multi-layer cake, which is covered with wear-resistant polyester plastic with wide light scattering angle and matte surface. Main positive and negative qualities analog resistive technology:
- high resolution screen;
- there is no need to use special markers, you can use your fingers or a pointer;
- the surface of the board is soft, so it bends a little when pressed;
- boards within many years do not lose reliability and quality. But when working with analog-resistive boards, you cannot use felt-tip pens; in this case, the plastic is extremely difficult to wash;
- when working, you cannot lean on the board: it will immediately react, after which it will be impossible to draw or write anything on it.
Interactive Technologies, Egan TeamBoard, SMART Technologies and PolyVision produce interactive whiteboards with analog resistive touch technology.

B. Laser technology
Laser electronic whiteboards are the most expensive to develop, their system consists of two infrared laser inclinometers that are located at the upper corners of the board.
To use boards with laser technology, a special marker is required. Information about pressing is sent to the system using a signal or ultrasound. The fundamental disadvantage laser technologies is the fact that the presenter has the opportunity to accidentally block the laser beam, as a result of which the process of changing coordinates is disrupted.
Interactive whiteboards of this type are produced by only one manufacturer - PolyVision.

D. Ultrasound/infrared technology
The system, which is patented under the name eBeam, uses differences in the speed of propagation of sound and light waves to operate.
The disadvantage of this technology is the same as that of laser and electromagnetic technology - to work, you need a special marker that simultaneously emits ultrasound and IR light.
Interactive electronic whiteboards using ultrasonic/infrared technology are produced by Panasonic, Hitachi and ReturnStar.

4. FEATURES OF INSTALLING INTERACTIVE WHITEBOARDS

Many schools and others educational institutions, due to financial limitations, install interactive whiteboards on our own. As a result, due to incorrect placement of the interactive whiteboard, the quality of education not only remains at same level, but is also significantly reduced, since the equipment causes a lot of inconvenience. Therefore, to install an interactive whiteboard, it is best to use the services of qualified specialists who can, taking into account technical specifications, achieve maximum quality of the projected image.

Installation of an electronic board has a number of technical conditions:

If the installation is carried out in an elementary school classroom, in this case the board should be positioned in such a way that children have the opportunity to reach its top edge;

If editing is carried out in an auditorium high school– in this case, in many respects, it is necessary to take into account the preferences of the teacher. In any case, the installation must be carried out in his presence in order to agree optimal location boards.

The supply of signal and power cables must be hidden in a plastic cable duct and everything must be put away in the baseboards. If necessary, move to the side of the location chalk board. It is also necessary to darken those windows from which both reflected and direct light can fall on the electronic board. sunlight- most often used for this roller blinds or curtains-blinds.