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Laser pointer interactive control system

With the continuous extension of multimedia presentation sites, from ordinary classrooms, lecture halls to conference rooms and other places, the interactive control mode of ordinary laser pointers on the projection screen is not enough, and the demand for stronger interactive functions on the projection screen is constantly increasing. It is obvious that the existing high power laser pointer only have simple pointing and page turning functions, so it is difficult to meet the development needs of multimedia presentation needs. In a conference with a multimedia presentation scene, simple functions such as laser point indication and button page turning can be realized by using an ordinary laser pointer. Wherein, the laser pointer is used to emit laser dots on the projection screen according to the operation of the user; the control subsystem is used to control the camera and the lcd display screen through a control device, so as to control the The camera acquires the actual image through image acquisition, displays the actual image on the LCD display screen, and transmits the actual image to the projection device; wherein, the actual image collected by the camera includes the image on the projection screen. An image, a laser spot that the laser pointer emits onto the projection screen, and an image of the surrounding environment of the projection screen are displayed.

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The laser pointer interactive mode adds more interactive control functions, which can change the speaker's operation mode, improve the laser pointer interactive mode, and improve the quality of the speech; in addition, with the help of the client, server, and two The network interaction between users can provide people with the required information services in a timely and convenient manner, making it possible for people to use any ordinary green laser pointer without a receiver at hand to realize the interaction of the slideshow, changing the original slideshow. The slice control mode also changes the behavior in multimedia application scenarios.

2022-01-12 12:43:17

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