Wireless transmission communication system and portable microphone unit
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United States of America Patent
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Sep 28, 2004
Issued Date -
N/A
app pub date -
Jan 3, 2002
filing date -
Apr 5, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A portable microphone unit for use in wireless transmission communication system is disclosed where the microphone unit includes a housing for containing at least one, but usually two or more, microphones for receiving a speaker's voice, coupled with IR, RF, or other types of signal emitters, wherein the microphone housing is attached at a free end of wearing element, made from a flexible or inflexible material. The wearing element is either shaped to sit on the speaker's body, such as around his neck, and place the microphone before the speaker's face and mouth or is made from a flexible material that may be bent into a desirable position. The microphones are situated with appropriate angles in between, thereby allowing the speaker to turn his head from side to side and still maintain a significant sound pressure level towards at least one microphone and achieve a strong signal.
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