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    • 64. 发明授权
    • Surface acoustic wave device and piezoelectric substrate used therefor
    • 表面声波装置及其压电基板
    • US06700300B2
    • 2004-03-02
    • US09968820
    • 2001-10-02
    • Kenji InoueKatsuo SatoHiroki MorikoshiKatsumi KawasakiJun Sato
    • Kenji InoueKatsuo SatoHiroki MorikoshiKatsumi KawasakiJun Sato
    • H01L4108
    • H03H9/02543
    • A compact and wide band surface acoustic wave device for intermediate-frequency is disclosed. A piezoelectric substrate for use in a surface acoustic wave device having high electromechanical coupling factor and low SAW velocity is also disclosed. The surface acoustic wave device is constituted of a piezoelectric substrate 1 and inter-digital electrodes 2, 2 formed on the piezoelectric substrate 1. The piezoelectric substrate 1 has a crystal structure of Ca3Ga2Ge4O14 and is represented by the chemical formula, Ca3TaGa3Si2O14. A cut angle of the piezoelectric substrate 1 cut out of the single crystal and a direction of propagation of surface acoustic waves on the piezoelectric substrate represented in terms of Euler's angles (&phgr;, &thgr;, &psgr;) are found in an area represented by −2.5°≦&phgr;≦2.5°, 30°≦&thgr;≦90°, and −65°≦&psgr;≦65°.
    • 公开了一种用于中频的紧凑且宽带的声表面波装置。 还公开了一种用于具有高机电耦合系数和低SAW速度的表面声波装置中的压电基片。声表面波装置由压电基片1和形成在压电基片1上的数字间电极2,2构成 压电基板1具有Ca 3 Ga 2 Ge 4 O 14的晶体结构,由化学式Ca 3 Ta Ga 3 Si 2 O 14表示。 从欧姆角(phi,θ,psi)表示的压电基板上切出的压电基板1的切割角和压电基板上的表面声波的传播方向在-2.5° <= phi <= 2.5°,30°<=θ<= 90°,-65°<= psi <= 65°。
    • 65. 发明授权
    • Multiple-operation switch
    • 多操作开关
    • US06570107B1
    • 2003-05-27
    • US09676751
    • 2000-10-02
    • Takumi NishimotoKoji OnoJun SatoTetsuya Fukuda
    • Takumi NishimotoKoji OnoJun SatoTetsuya Fukuda
    • H01H1900
    • H01H25/06H01H25/008H01H25/04
    • A multiple operation switch that provides electric signal in accordance with the angle of tilting an operating rod protruding from the front panel of an electronic apparatus. The switch comprises a lower case provided at the recessed bottom with a lower switching portion formed of a movable contact and a first fixed contact point. A movable contact body is provided with a conductive flange that makes contact, when tilted by the operating rod, in part with at least two of the second fixed contact points disposed on the reverse surface of upper case. Which movable contact body is supported at the conductive flange by a holding member pushed upward by a coil spring provided in the lower case so that it is engaged in a tiltable manner with an upper case. The second fixed contact points and the conductive flange constitute an upper switching portion.
    • 多重操作开关,其根据从电子设备的前面板突出的操作杆的倾斜角度提供电信号。 开关包括设置在凹陷底部的下壳体,其具有由可动触头和第一固定触点形成的下开关部分。 可动接触体设置有导电凸缘,该导电凸缘当被操作杆倾斜时部分地与设置在上壳体的背面上的至少两个第二固定接点相接触。 通过设置在下壳体中的螺旋弹簧向上推动的保持构件,可动接触体被支撑在导电凸缘处,使得其与上壳体可倾斜地接合。 第二固定触点和导电凸缘构成上开关部。
    • 68. 发明授权
    • Brake pedal apparatus of vehicle
    • 车辆制动踏板装置
    • US06408711B1
    • 2002-06-25
    • US09608166
    • 2000-06-30
    • Hiroyuki MizumaNaoyuki SugiyamaMasaharu IshizukiJun Sato
    • Hiroyuki MizumaNaoyuki SugiyamaMasaharu IshizukiJun Sato
    • G05G114
    • G05G1/30B60R21/09B60T7/065G05G1/327Y10T74/20528Y10T74/20888
    • A brake pedal apparatus of a vehicle is provided with a pedal bracket having a shaft and a first fixed portion to a first vehicle body member at its front portion, a pivot bracket rotatable pivoted to the shaft and provided with a pedal shaft apart from the shaft in a longitudinal direction of the vehicle, a pedal arm rotatably pivoted to the pedal shaft, and a lock plate having an engagement portion allowing relative movement with respect to at least the pivot bracket when a backward input over a predetermined load is applied to the pedal bracket and engaging with the pivot bracket in a normal state. In this structure, when the backward input over the predetermined load is applied to the pedal bracket, whereby the lock plate relatively moves, an engagement between the pivot bracket and the lock plate is disconnected, and the pivot bracket is downward rotated around the shaft
    • 车辆的制动踏板装置设置有踏板支架,该踏板支架具有轴和第一固定部分,在其前部处到第一车体构件,枢转支架可旋转地枢转到轴并且设置有与轴相离的踏板轴 在所述车辆的纵向方向上,踏板臂可旋转地枢转到所述踏板轴,以及锁定板,所述锁定板具有接合部分,当所述预定载荷上的反向输入施加到所述踏板时,所述接合部分允许相对于至少所述枢轴支架相对运动 支架并以正常状态与枢轴支架接合。 在该结构中,当将预定载荷的反向输入施加到踏板支架上时,由此锁定板相对移动,枢转支架和锁定板之间的接合被断开,并且枢轴支架围绕轴线向下旋转