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    • 1. 发明申请
    • Method of manufacturing crystal oscillator
    • 制造晶体振荡器的方法
    • US20070053389A1
    • 2007-03-08
    • US11512922
    • 2006-08-30
    • Toshihiro SatoHiroshi Uehara
    • Toshihiro SatoHiroshi Uehara
    • H01S3/10
    • H03H3/02H03H9/19
    • A method of manufacturing a crystal oscillator comprises: processing a crystal wafer, which has higher oscillation frequency inversely proportional to its thickness, into a thickness for a lower oscillation frequency than a reference oscillation frequency; measuring and storing the oscillation frequency of each area located lengthwise and crosswise of the crystal wafer, and subtracting the thickness of each area in turn depending on the difference in frequency of the oscillation frequency of each area and the reference oscillation frequency; and then obtaining a number of crystal pieces by dividing the crystal wafer into each area, wherein the crystal wafer is provided with dividing grooves in lengthwise and crosswise directions that section the crystal wafer into the individual areas. An object of the invention is to provide a method of manufacturing a crystal oscillator in which the thickness accuracy of each area of a crystal wafer is improved.
    • 一种制造晶体振荡器的方法包括:将具有与其厚度成反比的较高振荡频率的晶体晶片加工成比基准振荡频率低的振荡频率的厚度; 测量和存储晶片纵向和横向定位的每个区域的振荡频率,并根据每个区域的振荡频率的频率差和基准振荡频率依次减去每个区域的厚度; 然后通过将晶体晶片分割成各个区域来获得多个晶片,其中晶体晶片在纵向和横向方向上设置有将晶片切割成各个区域的分割槽。 本发明的目的是提供一种制造晶体振荡器的方法,其中提高了晶片的每个区域的厚度精度。
    • 4. 发明授权
    • Damper mechanism
    • 阻尼机制
    • US08066574B2
    • 2011-11-29
    • US12440377
    • 2007-09-28
    • Tomoki HadaHiroshi Uehara
    • Tomoki HadaHiroshi Uehara
    • F16F15/121
    • F16F15/123F16D13/68
    • A damper mechanism 4 has a clutch plate 21 and a retaining plate 22 disposed aligned in the axial direction, a hub flange 6 disposed relatively rotatably in the axial direction between the plates 21 and 22, and a second coil spring 8 for elastically linking the plates 21 and 22 to the hub flange 6 in the rotational direction. The plates 21 and 22 have a pair of first main body components 28, and a plurality of linking components 31 that are disposed in the rotational direction between first protrusions 49 and second protrusions 57 and that link the pair of first main body components 28. The plurality of linking components 31 is disposed such that adjacent pitches are different.
    • 阻尼器机构4具有离合器片21和沿轴向配置的保持板22,在板21和22之间沿轴向相对可旋转地设置的轮毂凸缘6和用于弹性连接板 21和22沿着旋转方向到轮毂凸缘6。 板21和22具有一对第一主体部件28和在第一突起部分49和第二突出部分57之间沿旋转方向设置并连接该对第一主体部件28的多个连接部件31。 多个连接部件31被布置成使得相邻的间距不同。
    • 5. 发明申请
    • DAMPER DISK ASSEMBLY AND FLYWHEEL ASSEMBLY
    • 阻尼盘组件和飞轮组件
    • US20090223771A1
    • 2009-09-10
    • US11916517
    • 2006-05-29
    • Michitomo MasakiTakashi HaradaHiroshi Uehara
    • Michitomo MasakiTakashi HaradaHiroshi Uehara
    • F16F15/10F16F7/10
    • F16F15/139
    • To accomplish a superior characteristic for absorbing and damping torsional vibrations in a damper disk assembly and a flywheel assembly. A damper disk assembly includes a pair of plates 11 and 12, a flange 20, coil springs 16 and 17, and friction plates 58 and 59. The pair of plates 11 and 12 is fixed to each other. The flange 20 is disposed between the pair of plates 11 and 12 in the axial direction. The coil springs 16 and 17 elastically couple the pair of plates 11, 12 and flange 20 in the rotational direction. The friction plates 58 and 59 are disposed to operate in parallel with the coil springs 16 and 17 between the pair of plates 11, 12 and the flange 20 in the rotational direction, frictionally engage with the pair of plates 11 and 12, and engage with the flange 20 to be relatively rotatable in only range of the small torsional angle.
    • 为了实现阻尼盘组件和飞轮组件的吸收和阻尼扭转振动的优异特性。 阻尼盘组件包括一对板11和12,凸缘20,螺旋弹簧16和17以及摩擦板58和59.一对板11和12彼此固定。 凸缘20沿轴向设置在一对板11和12之间。 螺旋弹簧16和17沿旋转方向弹性地连接一对板11,12和凸缘20。 摩擦板58和59设置成与螺旋弹簧16和17平行地在一对板11,12和凸缘20之间沿旋转方向平行运动,与一对板11和12摩擦接合, 凸缘20只能在小的扭转角度的范围内相对旋转。
    • 7. 发明授权
    • Damper mechanism and damper disk assembly
    • 减震器机构和阻尼盘组件
    • US07172509B2
    • 2007-02-06
    • US10787171
    • 2004-02-27
    • Kozo YamamotoHiroshi Uehara
    • Kozo YamamotoHiroshi Uehara
    • F16F15/121
    • F16F15/12366F16H45/02F16H2045/0226
    • A damper mechanism or a damper disk assembly realizing a low rigidity using a pair of elastic members is provided to achieve a further low rigidity in a region with small torques. The damper mechanism has a drive member 52, a driven member 53, a pair of first torsion springs 58A and 58B, and a second torsion spring 59. The springs 58A and 58B are functionally provided in series with each other in a rotational direction. The spring 59 is functionally provided in parallel with the springs 58A and 58B in such a way that the spring 59 is compressed in the rotational direction after the springs 58A and 58B are compressed to a certain angle when the drive member 52 and the driven member 53 rotate relative to each other.
    • 提供使用一对弹性构件实现低刚性的阻尼器机构或阻尼盘组件,以在具有小扭矩的区域中实现更低的刚性。 阻尼机构具有驱动构件52,从动构件53,一对第一扭转弹簧58A和58B以及第二扭转弹簧59。 弹簧58A和58B在旋转方向上在功能上彼此串联设置。 弹簧59在功能上与弹簧58A和58B平行地设置,使得当驱动构件52和58被弹簧58A和58B压缩到一定角度时,弹簧59沿旋转方向被压缩 从动构件53相对于彼此旋转。
    • 9. 发明授权
    • Crystal unit
    • 水晶单位
    • US07012355B2
    • 2006-03-14
    • US10603485
    • 2003-06-25
    • Seiji OdaMitoshi UmekiHiroshi UeharaKeisuke Hirano
    • Seiji OdaMitoshi UmekiHiroshi UeharaKeisuke Hirano
    • H01L41/08
    • H03H9/1021H03H9/19
    • A crystal unit has a crystal blank having a hole defined in at least one principal surface thereof, the crystal blank having a region of a reduced thickness including the hole, the region serving as a vibrating region, excitation electrodes disposed respectively on opposite principal surfaces of the crystal blank in the vibrating region, extension electrodes extending respectively from the excitation electrodes to respective opposite ends of one side of the crystal blank, and a casing having a step formed therein. The opposite ends of the one side of the crystal blank are fixed to the step by a joining member. The crystal blank has a notched portion defined therein between the one side and the vibrating region, the notched portion extending from at least one transverse edge of the crystal blank in a transverse direction of the crystal blank.
    • 晶体单元具有在其至少一个主表面上具有孔的晶体坯料,所述晶体坯料具有包括所述孔的厚度减小的区域,用作振动区域的区域,分别设置在所述晶体坯料的相对主表面上的激励电极 在振动区域中的晶体坯料,延伸电极分别从激发电极延伸到晶体坯的一侧的相应的两端,以及形成有台阶的壳体。 晶体坯料的一侧的相对端通过接合构件固定到台阶上。 晶体坯料在一侧和振动区域之间具有限定在其中的切口部分,切口部分在晶体坯料的横向方向上从晶体坯料的至少一个横向边缘延伸。