发明名称 ZOOM MICROPHONE
摘要 PROBLEM TO BE SOLVED: To provide a zoom microphone that is simple in the configuration and miniaturized and configured to be a so-called plug-in type. SOLUTION: The zoom microphone is provided with an L ch microphone 11L, a center microphone 11S and an R ch microphone 11R that are arranged parallel to a sound picking up face, resistors R1, R2 connected in series between a wire (a) of the L ch microphone 11L and a wire (b) of the R ch microphone 11R, a microphone side terminal s1 connected to the center microphone 11S, a resistor side terminal s2 connected to a connection part between the resistors R1, R2, and an earth terminal s3 connected to a reference level point via a capacitor C, and a changeover switch SW that is thrown to a position to connect the microphone side terminal s1 and the resistor side terminal s2 in a zoom mode or to a position to connect the resistor side terminal s2 and an earth terminal s3 in a stereo mode.
申请公布号 JP2001028795(A) 申请公布日期 2001.01.30
申请号 JP19990199915 申请日期 1999.07.14
申请人 PIONEER ELECTRONIC CORP;TOHOKU PIONEER CORP 发明人 SHIDARA KAZUMI;SATO KOICHI;NAKAYAMA MASAHIRO
分类号 H04R5/027;H04R1/02;H04R1/40;H04R3/00;(IPC1-7):H04R5/027 主分类号 H04R5/027
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