发明授权
- 专利标题: Directional microphone with acoustic washer
- 专利标题(中): 定向麦克风带声学垫圈
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申请号: US701387申请日: 1985-02-13
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公开(公告)号: US4694499A公开(公告)日: 1987-09-15
- 发明人: Bruce Bartlett
- 申请人: Bruce Bartlett
- 申请人地址: IN Elkhart
- 专利权人: Crown International, Inc.
- 当前专利权人: Crown International, Inc.
- 当前专利权人地址: IN Elkhart
- 主分类号: H04R1/22
- IPC分类号: H04R1/22 ; H04R1/38 ; H04R1/20 ; H04R1/34
摘要:
A directional microphone having an acoustic damping washer positioned about the microphone cartridge adjacent the microphone rear sound entry.
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