Multimedia blackboard-patent technology introduction Multimedia blackboard
In order to inherit the advantages of traditional chalk blackboard teaching, and at the same time overcome the shortcomings of projection screen and chalk blackboard. The invention provides a multimedia blackboard, which is an integrated multimedia blackboard which can be used by being hung on the wall and powered on. Its exterior is a large color display and high-quality sound system that can display with light-emitting diodes. It is equipped with input and output interfaces on its side, and there is a multimedia general-purpose computer and program software WS1 for writing operations. The wireless light pen can be used to write on any part of the multimedia blackboard. Through the operating system of the internal writing platform software WS1 of the multimedia computer, the written handwriting can be immediately displayed on the writing position. In addition to realizing the functions of an ordinary blackboard, the multimedia blackboard of the present invention can also move the written content arbitrarily, change the size, change the color, copy and save and so on. You can also draw straight lines without a ruler, draw circles without compasses, and so on. The multimedia blackboard of the present invention also supports multiple media playback formats and can be played at any position on the blackboard. The multimedia blackboard of the present invention may further include a wireless microphone, a built-in camera, and a wireless keyboard may also be provided to remotely control the multimedia blackboard computer. Remote video conference and remote teaching functions can be realized through the Internet. The multimedia blackboard is versatile and suitable for schools, institutions, enterprises and institutions as teaching, training, conferences and other occasions. Beijing Yaguang Video System Department No. 18 Baiguang Road, Xuanwu District, Beijing Postcode: 100053 Contact Phone Manager Wang 010-63556602 010-63556550-809 Teacher Jia (13801150877) FAX Email: Sweep, welcome attention Official WeChat of Educational Equipment Procurement Network Master the latest and most authoritative information in the education equipment industry Copyright and Disclaimer: â‘ The copyright of all works on this website that indicate "Source: China Education Equipment Purchasing Network" belongs to China Education Equipment Purchasing Network, and may not be reproduced, edited or used in other ways without authorization from this website. Works that have been authorized by this website should be used within the scope of authorization, and indicate "Source: China Education Equipment Purchase Network". Violators of this website will be held accountable for legal liabilities. â‘¡ All works on this website that indicate "Source: XXX (non-this website)" are reproduced from other media. The purpose of this reprint is to transmit more information. This does not mean that this website agrees with its views and is responsible for its authenticity. Take direct responsibility and joint liability for infringement of such works. If other media, websites or individuals download and use it from this website, they must keep the "source of the manuscript" indicated on this website, and bear the legal responsibility of copyright and other. â‘¢ If the content of the work, copyright and other issues are involved, please contact this website within two weeks from the date of publication of the work, otherwise it is deemed to waive the relevant rights. A great addition to any Garden or yard, our St. Francis Bird Feeder statue captures the warmth and compassionate nature of the saint and immortalizes his love for his feathered and furry friends. Sprinkle some seed into the bowl in St. Francis's hand and it will attract colorful birds of all sizes to your garden. Made of durable polyresin and finished with a distressed look to last indefinitely outdoors. Measures 26" tall.
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However, the traditional chalk blackboard teaching and knowledge transfer methods also have many shortcomings: 1. There is dust pollution; 2. Different colors need to be chalked in multiple colors; 3. The chalk blackboard is not easy to erase; 4. The chalk blackboard is noisy Wait.
With the advancement of science and technology, multimedia teaching has developed vigorously at home and abroad, and multimedia teaching and display devices are constantly being innovated. Many similar electronic blackboards have been developed, but there are not many practical electronic blackboards. Because it mainly has the following disadvantages: 1. There is no sound output; 2. It cannot display color images; 3. It cannot be written directly on the screen.
In recent years, multimedia classrooms, conference rooms, and lecture halls have flourished, and they have achieved good results in the application of teaching, training, and reporting. However, in these occasions, blackboards or whiteboards are still necessary teaching aids. In order to use the blackboard, the general projection screen adopts an electric screen, which is usually rolled up. Normal teachers should teach in a relatively bright environment, but the projection screen is white, which needs to block the light and cannot be used in brighter occasions. Even high-brightness projectors cannot fundamentally resolve this contradiction. Therefore, the ordinary multimedia classroom has the following disadvantages: 1. There are many multimedia equipments, which need to be equipped with projectors, multi-function platforms, audio equipment, etc .; 2. The projection screen is white and cannot be used in brighter occasions;
Multimedia blackboard is our company's summary of multimedia teaching experience, combined with the development of audio-visual equipment, is the accumulation of innovative, high-tech teaching equipment. Its emergence will be a revolution in multimedia teaching, and the current situation of classrooms full of equipment will become a thing of the past. The traditional teaching tool, blackboard, not only continues to play its role, but also appears in the world with updated appearance and functions. 
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