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    • 2. 发明专利
    • Capacitor microphone and manufacturing method therefor
    • 电容麦克风及其制造方法
    • JP2003047095A
    • 2003-02-14
    • JP2001232457
    • 2001-07-31
    • Matsushita Electric Ind Co LtdHirahiro Toshimitsu平大 利光松下電器産業株式会社
    • YASUNO ISANAGATOSHIMITSU HIRAHIRO
    • H04R19/01H04R19/04H04R31/00
    • H04R19/016
    • PROBLEM TO BE SOLVED: To provide a highly reliable capacitor microphone in which not only electric charges can be implanted from a metal coating surface after assembling of the microphone but also a dielectric body has the resistance to water or humidity, because the body is kept in a sealing state after being fully cleaned.
      SOLUTION: The capacitor microphone has a conductive diaphragm 3 which has a grounding electrode layer 31 formed of a conductive light metal, a conductive fixed electrode 5 which is provided so as to oppose the diaphragm 3 with an air layer 8 sandwiched, an organic dielectric layer 32 which is provided at an interface 32C side of the diaphragm 3 with the layer 8 and is made of an organic compound, and a permanent charge layer 32A which is made of ions or electrons and is formed in a deep section being away from the layer 8 at the center position in a thickness direction of the layer 32 within the layer 32.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了提供一种高可靠性的电容麦克风,其中在组装麦克风之后不仅可以从金属涂层表面注入电荷,而且电介质体具有耐水或湿度,因为保持体 完全清洁后的密封状态。 解决方案:电容麦克风具有导电隔膜3,该导电隔膜3具有由导电轻金属形成的接地电极层31,导电固定电极5,被设置为与隔膜3相对,空气层8夹在中间;有机介电层 32,其设置在隔膜3的与层8的界面32C侧,并由有机化合物构成,永久电荷层32A由离子或电子构成,并形成在远离层的深部 8位于层32内的层32的厚度方向的中心位置。
    • 7. 发明专利
    • High functional microphone apparatus
    • 高功能麦克风设备
    • JP2006254391A
    • 2006-09-21
    • JP2005106702
    • 2005-03-07
    • Hirahiro Toshimitsu平大 利光
    • TOSHIMITSU HIRAHIRO
    • H04R19/01H04R1/02
    • PROBLEM TO BE SOLVED: To provide a high functional microphone apparatus capable of inexpensively and efficiently accomplishing a capacitor microphone functionality improving method for preventing a fault caused by the influence of moisture and blocking electrostatic induction from an opening. SOLUTION: A conductive coating having thickness of ≤50 microns is applied to a sound-transmissible windshield to be attached to an opening on the front face of a microphone if this windshield is insulated, and its outer surface and the inner wall of an acoustic introduction hole are directly coated with a water repellent agent having thickness of ≤50 microns and a contact angle with water of ≥120° if the windshield is electrically conductive. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够廉价高效地实现电容麦克风功能改进方法的高功能麦克风装置,用于防止由湿气的影响引起的故障并阻止来自开口的静电感应。

      解决方案:如果该挡风玻璃被绝缘,则将厚度≤50微米的导电涂层施加到透声挡风玻璃上以附接到麦克风的前表面上的开口,并且其外表面和内壁 如果挡风玻璃导电,则声学引入孔直接涂覆有厚度≤50微米的防水剂和水的接触角≥120°。 版权所有(C)2006,JPO&NCIPI