Hearing Protection with Sound Exposure Control and Monitoring
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United States of America Patent
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Issued Date -
Oct 2, 2014
app pub date -
Mar 26, 2014
filing date -
Mar 27, 2013
priority date (Note) -
Abandoned
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Abstract
A sound monitoring control for controlling the sound pressure level (SPL) delivered to the ears of a user of a hearing protection device. The control employs a measurement of the actual sound heard by the user, using a microphone to control the sound level and to help prevent noise induced hearing loss. A measurement, using a dosimeter microphone, of the actual sound pressure levels heard by the user can be used in audio processing schemes to ensure that the user is only exposed to safe levels.
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