The client pages flip up and down key wireless presentation green laser pointer

The scattered light back to the sensor receiver receives the imaging optical system to an avalanche photodiode. Toys green laser pointer has a relatively low requirements.The law of averages to achieve a resolution of 1 mm and can ensure the speed of the response. Remote laser rangefinder to the target injection work bouquet ultrafine laser target reflected laser beam of the optical element, the timing of the laser beam of the distance measured from the emission to the reception time, the target calculated from the observer; luminescence imaging white speed in the instrument internal integrated circuit chip chip stable performance, long service life, and independent work environment and temperature. Therefore, the measurement accuracy of the white light-emitting diode speed to ensure stable and reliable performance. Development of the laser distance sensor. Laser detection technology, the content is very rich, very significant impact on the social production and life. The client pages flip up and down key wireless presentation green laser pointer.
Laser rangefinder laser earliest an application. This is because the laser has a directional, high brightness, monochromatic good advantage. 1965 years ago, the former Soviet Union, the distance between the laser measurement of the Earth and the Moon (384401km) error of only 2.5 million. 1969 Americans landing on the moon reflected on the surface of the moon with a laser to measure the distance of the moon, the error is only 15 cm. The basic principle of the laser transmission time measuring distance measuring the time required by the laser and the target to determine the distance of the target. Laser ranging principle is simple, simple structure, but it is mainly used for military and scientific research, it is very rare in industrial automation. Laser distance sensor price is too high, usually in the thousands of dollars.
Within the industry are aware of the brand power lens, the focal length increases, the price can be said that the rapid growth, from hundreds to hundreds of thousands have, this one slightly, and some water from the false some of the cost gap is likely to double or even more if the customer is very understanding of them hidden, then, on the one hand, can really achieve what you want monitoring, Furthermore, it can really guide the market to avoid the same monitoring distance, the difference is several times the difference phenomenon. : "The two products from the image point of view zoom ratio are similar, how the price gap is so big?" Previously mentioned formula can be seen, with the system, the choice of laser with the imaging lens F (f / D) value is proportional to the square.