The Chronophone is an apparatus patented by Léon Gaumont in 1902 to synchronise the Cinématographe (Chrono-Bioscope) with a disc Phonograph (Cyclophone) using a `Conductor` or `Switchboard`. This Sound-on-disc display was used as an experiment from 1902 to 1910. «On january 1911, the industrial exploitation started at the Olympia». Chronop...
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http://en.wikipedia.org/wiki/Chronophone
(from the article `motion picture, history of the`) ...Kinetograph to provide visual images for his phonograph, and Dickson had actually synchronized the two machines in a device briefly marketed in ...
Found on
http://www.britannica.com/eb/a-z/c/81
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