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Bell-Northern Research
Bell-Northern Research (BNR) was a telecommunications research and development organization jointly owned by Bell Canada and Northern Telecom. BNR was absorbed into Nortel Networks when that company changed its name from Northern Telecom in the mid-1990s.
BNR was based at the Carling Campus in Ottawa, Ontario, Canada, with campuses at locations around the world, including Research Triangle Park, North Carolina; Richardson, Texas; and Maidenhead, United Kingdom. Bell-Northern Research pioneered the development of digital technology, and created the first practical digital PBX, (SL1), and central office (DMS). Under the direction of then Nortel Chief Officer, John Roth, BNR lost its separate identity in the 1990s, and was folded into the Nortel R&D organization.〔
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==History==
For much of its early history, Bell Canada was an operating division of Bell in the United States. Development and manufacturing of their various telephony products generally took place in the US, and then, to avoid duty, were manufactured in Canada at their Northern Electric subsidiary (which would later become Nortel Networks), the Canadian analog to the US Western Electric.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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