SOUND AMPLIFICATION SYSTEM COMPRISING A COMBINED IR-SENSOR/SPEAKER
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Jun 9, 2009
filing date -
Jun 9, 2009
priority date (Note) -
Abandoned
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Abstract
A public address system including a wireless IR microphone for picking up a sound and converting it to an IR light signal including an audio signal representative of said sound and adapted for being transmitted to an IR sensor; an IR sensor including an IR photo detector for receiving said IR light signal and a first receiver for extracting said audio signal and a first transmitter transmitting it to a base station; a base station including a second receiver for receiving said audio signal from said IR sensor and a processor for processing said audio signal to provide a processed audio signal and a second transmitter transmitting it to a loud speaker; and a loud speaker unit for receiving said processed audio signal and converting it to a processed sound signal for being presented to an audience, wherein said IR sensor and loudspeaker unit are integrated into a sensor-speaker assembly.
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