发明名称 |
Directionally sensitive pointing microphone |
摘要 |
A microphone apparatus which includes a directional microphone having an axis of sensitivity along which the directional microphone is sensitive to sound. A light source is mechanically coupled to the directional microphone to produce a beam of light in a direction substantially commensurate with the axis of sensitivity as a visual indication thereof.
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申请公布号 |
US6522761(B1) |
申请公布日期 |
2003.02.18 |
申请号 |
US19960700573 |
申请日期 |
1996.08.07 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY |
发明人 |
RUFFA ANTHONY A. |
分类号 |
H04R1/08;H04R27/00;(IPC1-7):H04R25/00 |
主分类号 |
H04R1/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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