The historical background of the laser pointer
Over the past three decades, laser Pointers have become a must-have tool for business meetings, school events and even public speaking. For presentation materials that are often hard for presenters to get their hands on, the laser pointer can easily highlight the area by projecting points of light in a variety of colors, from blue to green and red. These small light generators help to temporarily mark areas on a slide or poster, for which the presenter simply moves the projected spot of light to the area of interest.
However, many speakers find themselves struggling to highlight whole words, as highlighting multiple words can only be done by frantically swinging a laser pointer, which causes the audience to be constantly distracted. The speaker was depressed. In addition, it was completely impossible to add text or pictures to slides or posters, and the speaker had to resort to ancient techniques such as markers, highlighters, and even tapes to add paper to the presentation material on the wall. In other areas, laser Pointers have made technological advances. A laser pointer that reduces a nervous speaker's handshake by making the laser pointer move in a small range. For this purpose, the laser pointer is equipped with orientation sensors and a mirroring system to reverse the pointer's motion, creating more or less static laser points on the wall.
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Laser pointer has a wide range of applications in presentation presentation, which can completely liberate the user from the computer. Users don't need to be near their computers. When users need to make remarks during e-learning, presentation, report and other lectures, they only need to gently press with their hands, and red laser points will be mapped on the screen of the document content to be emphasized. You no longer have to doodle with the audience or walk to a projection screen every time you explain a key point. It used to be difficult to "get close" to him; At the same time, users simply tap the relevant function button to turn the electronic manuscript to the page they want to give the speech. In which corner of the hall are you still interacting with the lecturer at the back of the conference room? Just press the flip button of the wireless flip laser pointer and the image you want will automatically appear on the screen. Always sit in front of the desk and work on the computer, and eliminate the pain of going back to the desk to change the page. Truly reflect wireless click, get infinite excitement! Convenient and practical, a good helper of life.
2021-10-06 01:12:18
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