Herman Affel
Encyclopedia
Herman Andrew Affel was an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 electrical engineer who invented the modern coaxial cable
Coaxial cable
Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by a tubular conducting shield. The term coaxial comes from the inner conductor and the outer shield sharing the same geometric axis...

.

Biography

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
Lloyd Espenschied
Lloyd Espenschied was an American electrical engineer who invented the modern coaxial cable with Herman Andrew Affel.-Biography:He was born in St. Louis, Missouri on April 27, 1889....

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.

US Patents

"Equalization of Carrier Transmissions," 1924, Herman A. Affel "Concentric Conducting System", 1929, Lloyd Espenschied and Herman A. Affel

External links

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