发明名称 USER SELECTABLE NOISE CANCELING FOR PORTABLE MICROPHONES
摘要 <p>Briefly, according to the invention, a noise-canceling microphone apparatus (302) is disclosed. The microphone comprises a housing (510) and a sound transducer (502) mounted within the housing (510). The housing has first (514) and second sides (512) and the transducer (502) has first (304) and second sound ports (308) coupled to the first (514) and second sides (512) of the housing respectively. The microphone (302) also includes a mounting clip (310) coupled to one side of the housing (512) in the proximity of one of the sound ports (308). The mounting clip (310) is intended for mounting the microphone (302) to a user so as to substantially close the sound port (308) when microphone (302) is attached.</p>
申请公布号 WO1993010645(A1) 申请公布日期 1993.05.27
申请号 US1992009795 申请日期 1992.11.13
申请人 发明人
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