Multimedia blackboard-patent technology introduction Multimedia blackboard

Multimedia blackboard

(Invention Patent No. 8 Publication Number: CN1570959A)

The traditional chalk blackboard teaching and imparting knowledge not only has low teaching cost, but also teachers can make colorful speeches and make various physical actions in combination with the content on the blackboard; and the teacher ’s spoken and handwritten forms can all Improve students 'attention and deepen students' understanding. This is what makes chalkboards, such as teaching aids, enduring for thousands of years.
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.

Multimedia blackboards are currently not mass-produced as products, which requires a lot of human and financial resources. We really hope that capable companies and companies, like us, are optimistic about this promising product and can achieve it with us.

Multimedia computer—multimedia computer Handwriting input screen—Handwriting input screen

High-quality audio-Hi-Fi Internet-internet

Program CD-Program CD-Rom Video Booth-Video display and projector

TV program-TV Program wireless keyboard-wireless keyboard

Pointer--teaching stick wireless microphone--Wireless Mike

Built-in microphone-inside display Mike built-in camera --- Inside display video

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