What socket does the projector in the conference room need besides the power socket?

In addition to the power socket, the projector in the conference room also needs VGA and video socket. Conference projectors are generally used in schools and enterprises. The mainstream resolution and brightness are about 2000-3000 lumens. They are moderate in weight, good in heat dissipation and dust prevention, suitable for installation and short-distance movement, rich in functional interfaces, easy to maintain and relatively high in cost performance, and suitable for public purchase and promotion.

Generally, a projector weighing less than 2 kg is defined as a business portable projector, which is comparable to a thin notebook computer. Business portable projector has the advantages of small size, light weight and strong mobility, and is a substitute for traditional slide projectors and large and medium-sized projectors. The combination of thin notebook computer and business portable projector is the first choice for mobile business users to demonstrate mobile business.

Extended data

The technical solutions adopted by mainstream projectors in the market are basically divided into digital light processing (DLP) technology and 3LCD technology. The light sources used by projectors include traditional high-intensity gas discharge light sources (such as ultra-high pressure mercury lamps, short-arc xenon lamps and metal halogen lamps) and new light sources represented by LED light sources and laser light sources.

After the traditional light source projector is used for a period of time, it usually turns dark and yellow with the attenuation of light emitted by the light source (such as brightness attenuation, color saturation contrast reduction, etc.). ). In the use of high-quality occasions, even if the light bulb is still glowing, it should be replaced.

Therefore, light attenuation has become an insurmountable obstacle for projectors using traditional light sources. With the development of semiconductor lighting technology and laser technology, LED light sources and laser light sources have developed rapidly not only in the lighting field, but also in the display field. LED is the earliest product used in projectors among new light sources, which can make the imaging structure of projectors simpler.