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Androv Carlson
Louis E. Brus
George Ashley Campbell
Long-distance telephony innovator
AT&T / Bell System | Associates: John Renshaw Carson, John J. Carty, Frank B. Jewett, Bancroft Gherardi Jr., Sallie Pero Mead, Otto Julius Zobel
George Ashley Campbell (November 27, 1870 – November 10, 1954) was an American engineer. He was a pioneer in developing and applying quantitative mathematical methods to the problems of long-distance telegraphy and telephony. His most important contributions were to the theory and implementation of the use of loading coils and the first wave filters designed to what was to become known as the image method. Both these areas of work resulted in important economic advantages for the American Telephone and Telegraph Company (AT&T).
Campbell was educated at the McCollom Institute in New… More on Wikipedia →
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Related concepts (2)
Constant k filter
Constant k filters, also k-type filters, are a type of electronic filter designed using the image method. They are the original and simplest filters produced by this meth…
Loading coil
A loading coil, or load coil, is an inductor that is inserted into an electronic circuit to increase its inductance. The term originated in the 19th century for inductors…