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William Robinson (November 22, 1840 – January 2, 1921) was an American inventor, electrical engineer, mechanical engineer and businessman. He invented the first track circuit used in railway signaling , a major development that improved railroad safety and efficiency.
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William Richards Blair (7 November 1874 – 2 September 1962) was an American scientist and United States Army officer, who worked on the development of the radar from the 1930s onward. He led the U.S. Army's Signal Corps Laboratories during its formative years and is often called the "Father of American Radar".
William Robert Sykes (1840–1917) was a British engineer from London, known for his work in railway signalling and other safety devices.He is noted for the invention of the Sykes ‘Lock and block’ interlocking system of points and signals.
Managed access systems are unable to stop the use of contraband devices using Wi-Fi to connect to the internet. Deployment of managed access systems requires FCC approval [1] and may require consent from cellular network carriers. The devices can also cause interference outside of the prison if they are not properly implemented.
William "Bill" Yeager (born June 16, 1940, San Francisco) is an American engineer. He is an inventor of a packet-switched , "Ships in the Night", multiple- protocol router in 1981. [ 1 ] [ 2 ]
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William Phillips Hall (February 1, 1864 – August 15, 1937) was a lay evangelist, railroad transportation executive, and electrical engineer. He founded the Hall Signal Company , headquartered in New York City , and invented signal mechanisms to improve railroad safety.