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出典:Wikipedia
出典:『Wikipedia』 (2011/06/16 15:32 UTC 版)
Magnavox (Latin for "great voice") is a US electronics company founded by Edwin Pridham and Peter L. Jensen, who invented the moving-coil loudspeaker in 1915 at their lab in Napa, California. They formed Magnavox in 1917 in order to market their inventions.
Magnavox