Electronics industry

History

Main article: History of electronic engineering

The electric power industry began in the 19th century, which led to the development of inventions such as gramaphones, radio transmitters and receivers, and television. The vacuum tube was used for early electronic devices, before later being largely supplanted by semiconductor components as the fundamental technology of the industry.

The first working transistor, a point-contact transistor, was invented by John Bardeen and Walter Houser Brattain at Bell Laboratories in 1947, which led to significant research in the field of solid-state semiconductors during the 1950s. This led to the emergence of the home entertainment consumer electronics industry starting in the 1950s, largely due to the efforts of Tokyo Tsushin Kogyo (now Sony) in successfully commercializing transistor technology for a mass market, with affordable transistor radios and then transistorized television sets.

The industry employs large numbers of electronics engineers and electronics technicians to design, develop, test, manufacture, install, and repair electrical and electronic equipment such as communication equipment, medical monitoring devices, navigational equipment, and computers. Common parts manufactured are connectors, system components, cell systems, and computer accessories, and these are made of alloy steel, copper, brass, stainless steel, plastic, steel tubing, and other materials.

Consumer electronics

Main article: Consumer electronics

Consumer electronics (or consumer-grade) are products intended for everyday use, most often in entertainment, communications and office productivity. Radio broadcasting in the early 20th century brought the first major consumer product, the broadcast receiver. Later products include personal computers, telephones, MP3 players, cell phones, smart phones, audio equipment, televisions, calculators, GPS automotive electronics, digital cameras and players and recorders using video media such as DVDs, VCRs or camcorders. Increasingly these products have become based on digital technologies, and have largely merged with the computer industry in what is increasingly referred to as the consumerization of information technology.

The CEA (Consumer Electronics Association) projected the value of annual consumer electronics sales in the United States to be over in 2008. Global annual consumer electronic sales are expected to reach by 2020.

Professional electronics

Professional electronics (also known as industry electronics, professional-grade or professional-oriented) are devices focused on the users with high exigency of technology and hardware equipment. In such cases, technology may be more advanced than currently available for consumer electronics on the market. Professional electronics are more durable than consumer devices because of the focus on high functionality and less on design or visual aspect.

These equipment have less promotional marketing/visibility and focus on technical consumers such as companies. Furthermore, its technical specification is higher specification than consumer specifications.

Medical electronics

Military electronics

Manufacturing

Effects on the environment

Electrical waste contains hazardous, valuable, and scarce materials, and up to 60 elements can be found in complex electronics. The United States and China are the world leaders in producing electronic waste, each tossing away about 3 million tons each year. China also remains a major e-waste dumping ground for developed countries. The UNEP estimate that the amount of e-waste being produced – including mobile phones and computers – could rise by as much as 500 percent over the next decade in some developing countries, such as India.

Increasing environmental awareness has led to changes in electronics design to reduce or eliminate toxic materials and reduce energy consumption. The Restriction of Hazardous Substances Directive (RoHS) and Waste Electrical and Electronic Equipment Directive (WEEE) were released by the European Commission in 2002.

Largest electronics industry sectors

Notes

References

References

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