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    • 72. 发明申请
    • Loudspeaker
    • 喇叭
    • US20080212821A1
    • 2008-09-04
    • US11794664
    • 2007-01-16
    • Osamu Funahashi
    • Osamu Funahashi
    • H04R9/06
    • H04R9/043H04R7/12Y10T29/49005Y10T29/4908
    • A loudspeaker includes a frame, a magnetic circuit supported by the frame, voice coil body provided movably in relation to a magnetic gap provided at the magnetic circuit, a diaphragm having an outer rim being joined via a first edge to the frame and an inner rim being joined to the voice coil body, and a damper located towards the magnetic circuit from the diaphragm. The damper has an inner rim joined to the voice coil body. The damper has an outer rim joined via a second edge to the frame. The second edge protrudes towards the diaphragm or in a direction opposite to the diaphragm. The damper includes a first protrusion protruding towards the diaphragm and a second protrusion protruding in a direction opposite to a direction in which the first protrusion protrudes. A protrusion out of the first and second protrusions is closest to the second edge among the protrusions. A further projection out of the first and second protrusions is located more inside than the protrusion and protrudes in a direction opposite to a direction in which the second edge protrudes. The further protrusion has a size largest among sizes of other protrusion. This loudspeaker has a small distortion and a large driving efficiency.
    • 扬声器包括框架,由框架支撑的磁路,相对于设置在磁路上的磁隙可移动地设置的音圈体,具有经由第一边缘连接到框架的外缘的隔膜, 连接到音圈体,以及从隔膜朝向磁路定位的阻尼器。 阻尼器具有连接到音圈体的内缘。 阻尼器具有经由第二边缘连接到框架的外缘。 第二边缘朝向隔膜或与隔膜相反的方向突出。 阻尼器包括朝向隔膜突出的第一突起和沿与第一突起突出的方向相反的方向突出的第二突起。 第一突起和第二突起之间的突出部最靠近突起中的第二边缘。 第一突起和第二突起之间的另外的突出部位于突出部的内侧,并且在与第二边缘突出的方向相反的方向上突出。 另外的突起的尺寸在其他突出部的尺寸中最大。 该扬声器具有小的变形和大的驱动效率。
    • 73. 发明申请
    • Method for Producing a Tuning-Fork Type Crystal Vibrating Piece and Crystal Oscillation Device
    • 调谐型水晶振动片和晶体振荡装置的制造方法
    • US20080174208A1
    • 2008-07-24
    • US11868323
    • 2007-10-05
    • Takehiro Takahashi
    • Takehiro Takahashi
    • H03H9/19H03H3/02H01L41/04B05D5/12
    • H03H9/21H03H3/02H03H9/1021H03H2003/026Y10T29/42Y10T29/49005Y10T29/49007Y10T29/4908
    • Disclosed are methods for producing a tuning-fork type crystal vibrating piece having neither a bump nor a groove at the root area of a pair of vibrating arms and for producing a crystal oscillation device. The method for producing a tuning-fork type crystal vibrating piece relates to a crystal tuning fork comprising a basal portion, a first vibrating arm, and a second vibrating arm, wherein both arms extend from the basal portion. The method for producing a crystal tuning fork comprises forming a first metallic film into a shape including the contours of the basal portion, the first vibrating arm and second vibrating arm on a first surface of a quartz wafer; and forming a second metallic film on the second surface opposite to the first surface of the quartz wafer into a shape covering at least a part of the basal portion between the first vibrating arm and second vibrating arm.
    • 公开了一种在一对振动臂的根部区域中既没有凸块也没有槽的音叉式水晶振动片的制造方法,并且用于制造晶体振荡装置。 音叉型水晶振动片的制造方法涉及包括基部,第一振动臂和第二振动臂的结晶音叉,其中两个臂从基部延伸。 制造晶体音叉的方法包括:在石英晶片的第一表面上形成包括基体部分,第一振动臂和第二振动臂的轮廓的形状的第一金属膜; 以及在与石英晶片的第一表面相对的第二表面上形成覆盖第一振动臂和第二振动臂之间的基部的至少一部分的形状的第二金属膜。
    • 78. 发明授权
    • Ultrasonic printed circuit board transducer
    • 超声波印刷电路板传感器
    • US07275298B2
    • 2007-10-02
    • US10493346
    • 2002-10-23
    • David W. Schindel
    • David W. Schindel
    • H04R31/00
    • H05K1/16B06B1/0292H05K1/162H05K3/382H05K3/4602H05K2201/10083Y10T29/49002Y10T29/49004Y10T29/49005Y10T29/49007Y10T29/4908Y10T29/4913
    • There is provided methods for producing an ultrasonic transducer assembly. The methods generally comprise the steps of creating a multi-layered rigid or flexible printed circuit board, having a top surface and bottom surface; creating a patterned conducting layer upon each of the top and bottom surface; creating at least one patterned backplate electrode on the board or as part of a discreet component which is then attached to the board; creating at least one conductive through-hole via integral with the board; roughening at least a portion of each of the at least one backplate to introduce gas pockets in that portion of a surface of the backplate; and attaching thin insulating or dielectric single or multi-layer film on a portion of the board in which the film has an integral conducting surface and in which the conducting surface is configured so as to form a capacitive structure with the at least one backplate.
    • 提供了用于生产超声换能器组件的方法。 所述方法通常包括以下步骤:创建具有顶表面和底表面的多层刚性或柔性印刷电路板; 在顶表面和底表面的每一个上形成图案化导电层; 在板上形成至少一个图案化的背板电极,或者作为附着于板的谨慎部件的一部分; 通过与所述板一体地形成至少一个导电通孔; 使所述至少一个背板中的每一个的至少一部分粗糙化以在所述背板的所述表面的所述部分中引入气体袋; 以及将薄绝缘或电介质单层或多层薄膜附着在所述薄膜具有整体导电表面的所述板的一部分上,并且所述导电表面构造成与所述至少一个背板形成电容结构。
    • 79. 发明申请
    • BOUNDARY ACOUSTIC WAVE DEVICE AND PROCESS FOR PRODUCING SAME
    • 边界声波装置及其制造方法
    • US20070222337A1
    • 2007-09-27
    • US11756955
    • 2007-06-01
    • Michio KadotaHajime Kando
    • Michio KadotaHajime Kando
    • H01L41/00
    • H03H9/0222H03H3/04Y10T29/42Y10T29/49005Y10T29/4908
    • In a method for producing a boundary acoustic wave device that includes a first medium, a second medium, and a third medium laminated in that order, and electrodes disposed at the interface between the first medium and the second medium, the method includes the steps of preparing a laminate including the first medium, the second medium, and the electrodes disposed at the interface between the first medium and the second medium, adjusting the thickness of the second medium after the step of preparing the laminate to regulate a frequency or the acoustic velocity of a surface acoustic wave, a pseudo-boundary acoustic wave, or a boundary acoustic wave, after the adjusting step, forming the third medium different from the second medium in terms of the acoustic velocity with which the boundary acoustic wave propagates therethrough and/or in terms of material.
    • 在制造包括依次层叠的第一介质,第二介质和第三介质以及设置在第一介质和第二介质之间的接口的电极的弹性边界波装置的制造方法中,包括以下步骤: 制备包括第一介质,第二介质和设置在第一介质和第二介质之间的界面处的电极的层压体,在制备层压体的步骤之后调节第二介质的厚度以调节频率或声速 在调整步骤之后的声表面波,伪边界声波或声界面声波,形成与第二介质不同的第三介质,就声界面声波传播通过其的声速和/或 在材料方面。