Memorial Tributes Volume 5 (1992) / Chapter Skim
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Raymond W. Ketchledge
Raymond W. Ketchledge
Pages 128-131
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From page 129... ...
Following graduation he entered the employ of Bell Telephone Laboratories, where he spent his entire career in engineering and executive capacities. At the time of his retirement in l9S2, he was executive director of military development.
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From page 130... ...
Among his most famous contributions was the use of cathode ray tubes and photographic plates for a digital reacl-only-memory to store large amounts of digital information for rapid random access retrieval. Known as the "flying spot store, " it not only stored large amounts of information for its day but also was controlled by a unique digital servo control.
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From page 131... ...
He was elected to the National Academy of Engineering in 1970, was corecipient of the Institute of Electrical and Electronics Engineers (IEEE) Alexander Graham Bell Medal in 1972, and was posthumously elected to the New Jersey Congress and Inventors Hall of Fame in 1989.
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