It refers to a laser pointer with a single laser function. No matter whether the pen can write or stretch to become a pointer, it always takes the function of the laser as the main body, and the price ranges from ten yuan to tens of yuan. This type of laser pointer It is no different from children’s toys at home. At most, you can make a little trick on the pattern of laser dots. This kind of laser pointer is gradually eliminated.
The second generation combination laser pointer
Extend other electronic functions on the basis of ordinary laser pointers. Typical is a page turning laser pointer (also called a speech weapon, a speech assistant, etc.), which uses wireless technology to integrate the function of turning pages up and down on the laser pointer. This laser pointer is the mainstream of the second-generation laser pointer, and some The page turning laser pointer adds the function of U disk on this basis. The price of this laser pointer is between one hundred and several hundred yuan.
Page turning laser pointer
Some manufacturers have added a mouse roller ball to the page-turning laser engraver, which can be used to operate the mouse, similar to the scroll wheel on the early 286 computer keyboards. It may be that the author is accustomed to using the mouse. When facing this kind of roller ball , I feel particularly awkward, I feel that time is going back and technology is going back.
Wireless mouse laser pointer
Some manufacturers are also more creative, adding a laser to the mouse. This product is probably not called a laser pointer or a laser mouse. For the time being, it is called a mouse that emits lasers.
Mouse launches laser
The third generation interactive laser pointer
Another technological innovation, a laser pointer that can write and operate a computer. The first time I saw this product, I was impressed by the new technology.
This little guy is very powerful. It is composed of a locator and a laser pointer. It can directly use the laser pointer to draw and write remotely, or directly use the laser pointer to write on the projection screen or the projection wall, and it can also be operated. computer.
There are many shortcut keys integrated on the blue laser pointer. The author did not carefully experience so many functions, but realized the three functions of remote remote control drawing and writing, screen drawing and writing, and computer operation. Except for the relatively slow speed of screen drawing and writing tracking, the other The function is normal.
At present, such products on the market mainly include ViewPen and Skywalker electronic whiteboard. It is obviously a laser pointer. I don't know why it is called an electronic whiteboard. However, the price of this product is expensive, ranging from 3,000 yuan to 7,000 yuan.