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    • 2. 发明授权
    • Speaker unit, method for fabricating the same, and speaker apparatus
    • 扬声器单元,其制造方法和扬声器装置
    • US07539318B2
    • 2009-05-26
    • US11183161
    • 2005-07-18
    • Tetsuya OnumaShinichi SatoTomoaki ShojiToshirou Araki
    • Tetsuya OnumaShinichi SatoTomoaki ShojiToshirou Araki
    • H04R25/00
    • H04R9/025H04R1/323
    • A speaker apparatus is configured such that a speaker unit including a single magnetic circuit system, a plurality of vibration systems and a case is housed inside a speaker box. In the speaker unit, magnetic gaps having a magnetic field of the same magnitude are defined by a magnet holder, a magnet and a yoke in each of the vibration systems. In one vibration system and the other vibration system, voice coils are wound around voice coil bobbins in directions reverse to each other. Consequently, the vibration systems are moved in directions opposite to each other by the same force by applying the same electric signal to the voice coil in each of the vibration systems from an amplifier. Therefore, acoustic waves are radiated in the directions opposite to each other.
    • 扬声器装置被配置为使得包括单个磁路系统,多个振动系统和壳体的扬声器单元容纳在扬声器箱内。 在扬声器单元中,具有相同幅度的磁场的磁隙由每个振动系统中的磁体保持器,磁体和磁轭限定。 在一个振动系统和另一个振动系统中,音圈以相反的方向缠绕在音圈线轴上。 因此,通过对来自放大器的每个振动系统中的音圈施加相同的电信号,通过相同的力使振动系统彼此相反的方向移动。 因此,声波沿彼此相反的方向辐射。
    • 10. 发明授权
    • Push button switch
    • 按钮开关
    • US08115122B2
    • 2012-02-14
    • US12606627
    • 2009-10-27
    • Noriyoshi MachidaMitsuo NishioTakehisa TakeuchiShinichi SatoEijiro Shimoyama
    • Noriyoshi MachidaMitsuo NishioTakehisa TakeuchiShinichi SatoEijiro Shimoyama
    • H01H27/00
    • H01H3/022H01H1/2083H01H2003/0246
    • An operation portion and a switch portion of a push button switch are removably coupled. The switch portion includes a contact opening mechanism having a rotatably supported lever and a spring. The lever has one end acting on a part of the operation portion coupled with the switch portion, and the other end acting on a contact switching mechanism of the switching contact unit in the switch portion to open/close the contacts. The spring urges the lever in a fixed rotation direction. The contact switching mechanism is urged to move a movable contact from a standby state position toward an operating state position by the contact opening mechanism when the switch portion is separated from the operation portion. The contact switching mechanism is released from the urging when the switch portion is coupled with the operation portion.
    • 按钮开关的操作部分和开关部分可拆卸地联接。 开关部分包括具有可旋转地支撑的杠杆和弹簧的接触开启机构。 杠杆的一端作用在与开关部分结合的操作部分的一部分上,另一端作用在开关部分中的开关触点单元的触点切换机构上以打开/关闭触点。 弹簧以固定的旋转方向推动杠杆。 当开关部分与操作部分分离时,接触切换机构被迫使可动触头从待机状态位置朝向操作状态位置通过触点开启机构移动。 当开关部分与操作部分联接时,接触切换机构被释放。