Herman Affel
American electrical engineer (1893-1972)
Herman Andrew Affel (August 4, 1893, October 13, 1972) was an American electrical engineer who invented the modern coaxial cable.
01Biography
He was born on August 4, 1893. He attended MIT. He later married Bertha May Plummer.
From MIT he went to work at Bell Laboratories. Among other projects he worked with Lloyd Espenschied on the characteristics of coaxial cable. Espenschied and Affel jointly applied for a patent on a wideband coaxial cable system of transmission, filed in 1929 and granted in 1934. The invention was disclosed in a prize-winning paper published in AIEE's Electrical Engineering in October 1934.
He died on October 13, 1972.
02Legacy
In 2006, Affel was inducted into the National Inventors Hall of Fame.
03US Patents
- U.S. patent 1,511,013 "Equalization of Carrier Transmissions," 1924, Herman A. Affel
- U.S. patent 1,835,031 "Concentric Conducting System", 1929, Lloyd Espenschied and Herman A. Affel
Sources and credits
This article is adapted from the Wikipedia article “Herman Affel”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Lloyd Espenschied and Herman Affel.jpg by Unknown author, Fair use
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