Directional microphone assembly
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United States of America Patent
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Nov 23, 2004
Grant Date -
Jul 19, 2001
app pub date -
Jan 19, 2001
filing date -
Jan 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a directional microphone assembly comprising a front and a rear microphone for compact communication devices, such as hearing aids, mobile phones etc. The present invention integrates most or all electronic processing circuits required to form a directional microphone output signal using a front and a rear microphone signal. Accordingly, the directional microphone assembly according to the present invention occupies less volume compared to traditional microphone assemblies.
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