ADC Telecommunications
ADC Telecommunications (originally Audio Development Company) is a telecommunications company based in the United States.
The company's headquarters is located in Eden Prairie, Minnesota, southwest of Minneapolis; It employs around 8,200 people.
History
1935, Ralph Allison, the company ADC Telecommunications, when he became the first product of an audiometer, a device for measuring human hearing, invented. In 1937, joined him at the Engineering Walt Lehnert. Together they expanded the company's products to amplifiers and transformers for radio. By 1942, the company developed an audio system for the University of Minnesota. The case developed plug, jacks and patch cords formed the basis for its entry into the telecommunications market.
1949, the audiometer product line was sold, and Allison left the company. ADC broadened its range and focused in the following on transformers and power lines, military electronics and plugs and sockets for telephony.
1961 merged with the ADC Magnetic Controls Company, a company with strong links to the U.S. space program.
The resulting company was called ADC Magnetic Controls. In the 1960s there were large sales of Transformers, more innovations were made , however. A significant development of this period is the Bantam plug, which became the standard for the switching of telephone connections. In the early 1970s the ADC led a prewired patchbays and test equipment for telecommunications companies. In 1976, the company was the largest independent manufacturer of such test equipment in the United States.
ADC benefited from the deregulation of the U.S. telephone market circa 1983, were cleaved at the AT & T local seven Regional Bell Operating Companies ( RBOCs ). The American phone market grew in the sequence by 90 percent.
In the 1990s, acquired ADC different manufacturers of hardware for data communication and broadened its offering in the direction software. This was crowned with moderate success, and the stock of ADC had the time of bursting dotcom bubble accept massive losses.
Today, ADC offers network infrastructure. Three-quarters of sales are generated with Breitbandinfastruktur for public and private networks. For today's customers include Verizon, BellSouth, Sprint / Nextel, Graybar Electric, and Time Warner Cable.
In 2004, the Berlin-based company was taken over crown, among other things known for LSA-PLUS insulation displacement technology. In July 2010, Tyco Electronics and ADC announced the acquisition of ADC by Tyco Electronics, which was completed on December 9, 2010. In autumn 2013 Tyco Electronics informed its customers that the products of his Berlinder plant produced from spring 2014 to Brno, Czech Republic and in Berlin is closed.