ADC Telecommunications Company Vector Logo Download
ADC Telecommunications is a communications company in the United States located in Eden Prairie, Minnesota, a southwest suburb of Minneapolis. The company began in 1935, when Ralph Allison founded the Audio Development Company in the basement of his south Minneapolis home, inventing ADC’s very first product, the audiometer, an electronic device designed to test hearing. It was later renamed to ADC Telecommunications, Inc.
Two years later, fellow engineer Walt Lehnert joined Allison, and together they diversified the company’s product line to include amplifiers and transformers for the broadcast industry. By 1942, the company had designed a sophisticated audio system for the University of Minnesota, and the resulting jacks, plugs, patch cords and jackfields became the cornerstones for ADC’s later entry into telecommunications.
ADC grew in 1983, when AT&T was ordered to deregulate by the federal government. By establishing the seven Regional Bell Operating Company (RBOC) carriers as independent entities, the U.S. market for telecommunications expanded by 90 percent. ADC became a supplier for the RBOCs. In 1993, ADC acquired Fibermux Corp., a manufacturer of LAN Hubs and Data Multiplexers, later merging the Fibermux division with the Kentrox subsidiary. ADC also acquired American Lightwave Systems, a manufacturer of uncompressed video transport equipment for telecom carriers.
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