Laser pointer capable of preventing children from wrongly operating
Laser pointers are also known as Laser pointer, pointing star pointers, etc. They are pen-shaped transmitters designed to be portable, easy to hold, and processed into laser modules (light-emitting diodes) with visible lasers. Common laser pointers include red light (λ=650-660nm, 635nm), green light (λ=515-520nm, 532nm), blue light (λ=445-450nm) and blue-violet light (λ=405nm).
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It is usually used in reporting, teaching, and tour guides to project a light spot or a light directed at an object, but it is not suitable for use in certain places, such as art galleries (some paintings are afraid of light), zoos, etc. Once used improperly, the laser pointer may cause severe damage to the retina and even blindness. In particular, children are not sufficiently aware of the hazards of lasers, and children are more curious about new things. The age group of laser pointers harming people is under 12 years old, and the social responsibility of people in this age group is on the guardian. In order to reduce the loss of people and property caused by the laser light emitted by the laser pointer, it is necessary to prevent children from opening and using the laser pointer. Therefore, it is urgent to design a laser pointer that can prevent children from misoperation and effectively avoid children. Misoperation.
2021-10-07 12:13:35
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