| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a capacitor microphone in which adjustment of the sensibility of a plurality of capacitor microphone units can be facilitated with a simple configuration, especially when a plurality of capacitor microphone units having a significant variation in the sensibility are used. <P>SOLUTION: A plurality of capacitor microphone units 10, 20 have sensibility adjustment means 1 for changing the sensibility of each capacitor microphone unit 10, 20. The sensibility adjustment means 1 is configured of variable resistors 104, 105 connected between a power supply and the ground. The slide terminal of the variable resistor corresponding to each capacitor microphone unit is connected to the side facing an electret layer out of the diaphragms 11, 21 and fixed electrodes 12, 22 of each capacitor microphone unit. <P>COPYRIGHT: (C)2012,JPO&INPIT |
