[Source: "High-tech LED - Technology and Applications" June issue] Compared with incandescent lamps, semiconductor lighting can save up to 80% of energy, and save 50% more energy than today's popular energy-saving lamps. The service life of incandescent lamps is only 1000-2000 hours,-----
Differential technology has long been used by people. It actually makes a difference between a station's observation of two targets, two stations' observations of one target, or two stations' observations of one target. Its purpose is to eliminate public items, including public errors-----
The 8.5-generation line of LG Display Guangzhou, which has been delayed for nearly three years, has finally restarted. The LCD panel line was jointly launched by LGD and Skyworth Digital and the Guangzhou government. The investment is as high as 4 billion US dollars. It is the largest foreign-inves-----
1 Introduction With the development of electronics and computer technology, video surveillance systems are moving from analog technology to digital technology. From the hardware form, the development of video surveillance technology has gone through three stages: analog video-----
The Shenzhen Stock Exchange announced on the evening of May 30 that Huacan Optoelectronics will be listed on the Shenzhen Stock Exchange on June 1. The 50 million shares of the initial public offering began trading as of the date of listing. The company's issue price is 20 yuan / share, the co-----
In today's industrial society with tight energy sources, timely and accurate access to the user's power load information, and timely control scheduling based on this has important practical significance for improving energy consumption. Traditional electricity billing -----
On the surface, this seems very tricky, but there are many ways to measure the impedance of the converter. The trick is to use a network analyzer to do most of the trivial work, but this device can be expensive. The advantage is that today's network analyzers can perform m-----