Interaction system for electronic whiteboard without special-purpose panel

Abstract

The invention discloses an interaction system for an electronic whiteboard without a special-purpose panel. The system comprises a computer, an interaction device body, a projector and a control pen. The computer is used for transmitting a video signal to the projector for display. The interaction device body is provided with a camera. The camera is used for collecting images of a projection region of the projector and transmitting collection information to the computer. The control pen is used for transmitting a control signal to the interaction device body or the computer. The interaction system for the electronic whiteboard without the special-purpose panel has the following beneficial effects: the interaction system is simple in structure and easy in realization and capable of getting rid of a professional electronic whiteboard; and an ordinary projection curtain, a wall, a plasma panel, an LCD display screen, a rear projector and the others serve as a whiteboard so that the interaction target is achieved.

Description

technical field [0001] The patent of the present invention discloses a projection system, especially an electronic whiteboard interactive system without a special panel. Background technique [0002] With the gradual development of projection display technology, projectors are used more and more in people's daily life, and the application fields are becoming more and more extensive, such as conferences, teaching, presentations, etc. Traditional projector applications usually only display information through projection instrument to display. Sometimes, when teaching or demonstrating, it is necessary to interact between the speaker and the audience. Traditional projection systems usually cannot meet the needs of interaction, which brings a lot of inconvenience to use. In order to solve this problem, people have designed a dedicated interactive whiteboard. It adopts a special whiteboard and a special control pen, and can achieve interactive effects through the mutual induction...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the disadvantage that the projection display system in the prior art mentioned above cannot be interactive, and the professional interactive whiteboard is expensive, the patent of the present invention provides a new electronic whiteboard interactive system without a special panel, which adopts a camera The main body of the interactor cooperates with a special control pen to realize the position recognition of the control pen and achieve the purpose of interaction

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