At the "First LED General Lighting Products and Technology Seminar" organized by the China Lighting Society, Guan Baiyu, deputy inspector of the Electronic Information Department of the Ministry of Industry and Information Technology, said that LED lighting is an emerging industry. This year, there will be a number of national standards and industry standards to complete the approval process. It is released, and there are also a number of standards in the research and development process.
According to Guan Baiyu, the nine industry standards formulated by the Semiconductor Lighting Standards Working Group of the Ministry of Industry and Information Technology were implemented on January 1 this year. Seven national standards and two industry standards for lighting fixtures have been released and implemented on May 1. "This year, there will be a number of national standards and industry standards to be completed, and a number of standards are being researched and developed."
Yu Anqi, deputy director of the National Electric Light Source Quality Supervision and Inspection Center (Shanghai), provided a document showing that there are only nine national standards in the new standards promulgated in 2009-2010.
Liu Shiping, deputy secretary-general of the China Lighting Society, said, "China is now a big LED producing country and a big application country, but the standards and testing systems have not yet been established." According to the data, in 2009, semiconductor lighting applications have grown from the impact of the financial crisis. More than %, the output value reached 60 billion yuan.
"The lack of standards and testing systems, in addition to the time required for testing, is also related to the lack of domestic core technology patents. It is necessary to refer to international standards, and international standards research is still in its infancy." He believes that LED industry development ultimately depends on products. Policies such as standards and energy efficiency standards guide "For the development of the entire industry, the government can only guide the policy by setting standards or product subsidies, so as to achieve greater and stronger LED industry and powerful enterprises."
A high frequency cable is a cable for transmitting high frequency signals. Since the cable has a distributed capacitance and a distributed inductance, filtering the high-frequency signal will attenuate the high-frequency signal, so for the transmission of the high-frequency signal, a cable with a distributed capacitance and a small distributed inductance is required. The following describes one of the high frequency cables: high frequency symmetrical cables.
Applied Science: Information Communication
Features: high frequency, same resistance to ground, two identical wires, transmission loop
High Frequency Mobile Cable,High Frequency Flat Cable,High Frequency Electrode Cable,High Tensile Cable
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