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Dictaphone was an American company, a producer of dictation machines?sound
recording devices most commonly used to record speech for later playback or
to be typed into print. The name "Dictaphone" is a trademark, but in some
places it has also become a common way to refer to all such devices, and is
used as a genericized trademark.
History The name "Dictaphone" was trademarked by the Columbia
Graphophone Company in 1907, which soon became the leading manufacturer of
such devices. This perpetuated the use of wax cylinders for voice
recording. They had fallen out of favor for music recordings, in favor of
disc technology. Dictaphone was spun off into a separate company in 1923
under the leadership of C. King Woodbridge.
After relying on wax cylinder recording through the end of World War II,
in 1947 Dictaphone introduced their Dictabelt technology, which cut a
mechanical groove into a plastic belt instead of into a wax cyl
