This could be realized if the laser pointer is somehow used as a device which would be able to emulate the mouse on the screen. But imagine if the presenter could also be able to change the slide using the same laser pointer and also the presenter could also be able to do other activities like switch windows, open a new application etc, which he wouldn't be able to do otherwise. The presenter normally uses a laser pointer to point on to the screen to some details in the current slide. IntroductionĬonsider a large room where a PowerPoint presentation is being made using a projector. The instructor does not at every instant need to go to the computer mouse and change the slides rather he can just use this software and can emulate a mouse (motion and clicks) by the use of just a simple laser pointer. The main advantage of this system would be in a large classroom environment where an instructor is moving around in the class and presenting something on a computer screen (say a power point presentation) projected by means of a projector. The laser pointer can also be used to emulate mouse clicks by turning the laser off and on at the same position on the screen. To move the mouse to a particular position on the screen, the user just needs to point the laser at that particular position and that does the job. The utility of this system would be in a large classroom environment or a presentation where an instructor or presenter can simply use the laser pointer and move the mouse on the projected screen without using the computer mouse. ![]() New York, NY describe how to use a laser pointer and a camera to emulate a mouse, allowing a presenter to control a computer remotely during a presentation. Mouse emulator using a laser pointer and a camera Mouse emulator using a laser pointer and a camera
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