Apparatus and system for damping external noises with means for producing sound and preventing oversleeping
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 11, 2000
Grant Date -
N/A
app pub date -
Dec 9, 1997
filing date -
Jul 21, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus designed to damp external noises, allowing the user to sleep in noisy environments. More particularly, it relates to a pair of hearing-protecting ear covers that insulate the user's ears from external noises, ear covers that incorporate a headphone stereo for transmission of a time, smoke, fire and/or security alarms. The headphone stereo can also transmit music, peaceful sounds, or noise reducing frequencies. The sound producing circuitry is connect in parallel to the alarm system to allow alarm detection even when the user is listening to music or other sounds.
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