| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce discharge or leak, at a low cost, between electrodes and a vibrator in an electrostatic speaker. <P>SOLUTION: For electrodes 112U and 112L that an electrostatic speaker comprises, a material is used which is obtained by boring an insulative synthetic resin sheet which has electroconductivity by depositing a metal onto one side, with a number of through-holes 112h through boring according to e.g., a needle probe method. One of surfaces of the electrode 112U and 112L is accompanied with a protrusion 112b generated in boring. The electrodes 112U and 112L are disposed in such a manner that the surface accompanied with the protrusion 112b comes to the side which is not opposed to a vibrator 111 without removing the protrusion 112b that may be removed normally, thereby accomplishing the cost-reduced electroacoustic speaker which does not accompany discharge or leak caused by the protrusion 112b. <P>COPYRIGHT: (C)2013,JPO&INPIT |
