Optical signal transmission between a hearing protector muff and an ear-plug receiver
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United States of America Patent
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N/A
Issued Date -
Jul 31, 2003
app pub date -
Jan 30, 2002
filing date -
Jan 30, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hearing protector assembly has a muff and an ear-plug for hearing protection while allowing reception of audio communication. The muff has a receiver for audio signals, a modulation circuit, and a set of LEDs for transmitting the audio signal as a light signal. The ear-plug has a photovoltaic cell for receiving the light signals, a demodulator circuit, and a transducer for converting the received signal into an acoustic signal.
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