Acoustic radiating membrane for a musical watch
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United States of America Patent
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Dec 8, 2015
Grant Date -
Jun 11, 2015
app pub date -
Dec 1, 2014
filing date -
Dec 9, 2013
priority date (Note) -
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Abstract
The acoustic radiating membrane is provided to equip a musical watch or a striking watch. The dome-shaped membrane comprises an active central portion, a lateral wall and a peripheral edge portion for holding the membrane in a watch case. The central portion includes a central base connected by connecting elements to a peripheral ring, the central base, the connecting elements and the peripheral ring being of dimensions determined to amplify a first vibration mode of one or more notes in a frequency range from 500 Hz to 3.5 kHz.
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