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    • 1. 发明授权
    • Acceleration sensor
    • 加速度传感器
    • US5196661A
    • 1993-03-23
    • US789956
    • 1991-11-12
    • Shigeru ShimozonoKazuo YoshimuraRyo Sato
    • Shigeru ShimozonoKazuo YoshimuraRyo Sato
    • G01P15/00G01P15/135H01H35/14
    • B24B49/105H01H35/14H01H2300/052
    • An accelerator sensor comprises a cylinder of a conductive material, a magnetized inertial member mounted in the cylinder so as to be movable longitudinally of the cylinder, a conductive member mounted at least on one end surface of the inertial member that is on the side of one longitudinal end of the cylinder, a pair of electrodes disposed at this one longitudinal end of the cylinder, and an attracting member disposed near the other longitudinal end of the cylinder. When the conductive member of the inertial member comes into contact with the electrodes, these electrodes are caused to conduct via the conductive member. The attracting member is made of a magnetic material such that the attracting member and the inertial member are magnetically attracted toward each other. The cylinder has a thick wall portion at the end of the cylinder where the electrodes are located. Chattering of the electrodes is prevented by a strong magnetic force of the thick wall portion which reduces the impact speed of the inertial member prior to engagement of the conductive member and the electrodes.
    • 加速器传感器包括导电材料的圆柱体,安装在圆柱体中的磁化惯性构件,以便能够沿圆柱体纵向运动;导电构件,安装在惯性构件的至少一个端面上,该端面位于一侧 气缸的纵向端部,设置在气缸的该纵向端部的一对电极以及设置在气缸的另一纵向端部附近的吸引构件。 当惯性构件的导电构件与电极接触时,使这些电极经由导电构件导电。 吸引构件由磁性材料制成,使得吸引构件和惯性构件彼此磁吸引。 气缸在电极位于气缸的端部处具有厚壁部分。 通过厚壁部分的强磁力防止电极的抖动,这降低了在导电构件和电极的接合之前惯性构件的冲击速度。
    • 2. 发明授权
    • Acceleration sensor
    • 加速度传感器
    • US5196660A
    • 1993-03-23
    • US793154
    • 1991-11-18
    • Kazuo YoshimuraShigeru ShimozonoRyo Sato
    • Kazuo YoshimuraShigeru ShimozonoRyo Sato
    • G01P15/00G01P15/11G01P15/135H01H35/14
    • B24B49/105H01H35/14H01H2300/052
    • An accelerator sensor comprising a cylinder of a conductive material, a magnetized inertial member mounted in the cylinder so as to be movable longitudinally of the cylinder, a conductive member mounted at least on one end surface of the inertial member that faces a first longitudinal end of the cylinder, a pair of electrodes disposed at the first longitudinal end of the cylinder, and an atracting member disposed near the other longitudinal end of the cylinder. When the conductive member of the inertial member comes into contact with the electrodes, these electrodes are caused to conduct via the conductive member. The attracting member is made of a magnetic material such that the attracting member and the inertial member are magnetically attracted toward each other. The sensor further comprises a coil for testing the operation of the sensor and an another coil capable of biasing magnetically the inertial member to compensate operation of the cylinder due to temperature.
    • 一种加速器传感器,包括导电材料的圆柱体,安装在圆柱体中的磁化惯性构件,以便能够沿圆柱体纵向运动;导电构件,其安装在惯性构件的至少一个端面上,该导电构件面向第一纵向端 气缸,设置在气缸的第一纵向端部的一对电极和设置在气缸的另一纵向端部附近的收缩构件。 当惯性构件的导电构件与电极接触时,使这些电极经由导电构件导电。 吸引构件由磁性材料制成,使得吸引构件和惯性构件彼此磁吸引。 传感器还包括用于测试传感器的操作的线圈和能够磁性偏置惯性构件以补偿气缸由于温度的操作的另一个线圈。
    • 5. 发明授权
    • Film antenna
    • 电影天线
    • US07271771B2
    • 2007-09-18
    • US11067014
    • 2005-02-28
    • Makoto UsuiYuuki YamamotoRyo Sato
    • Makoto UsuiYuuki YamamotoRyo Sato
    • H01Q1/24
    • H01Q1/38H01Q9/30
    • A film antenna whose antenna characteristics are unaffected by chassis is provided. A recessed groove portion 26 is formed in a ground portion 13 which is attached to a chassis 18. A first radiating element portion 14 is formed from a wall 26a on one side of the groove portion 26 to a wall 26b on the other side. A capacitive coupling piece portion 27 which is capacitively coupled via a specified gap g to the first radiating element portion 14 is formed on the wall 26b on the other side to thereby allow antenna characteristics to be unaffected by the chassis 18.
    • 提供其天线特性不受底盘影响的胶片天线。 一个凹槽部分26形成在一个安装在底盘18上的接地部分13中。 第一辐射元件部分14由凹槽部分26的一侧上的壁26a到另一侧的壁26b形成。 在另一侧的壁26b上形成有经由特定间隙g电容耦合到第一辐射元件部分14的电容耦合片部分27,从而允许天线特性不受底架18的影响。
    • 8. 发明授权
    • Information recording/reproducing apparatus
    • 信息记录/重放装置
    • US06980496B2
    • 2005-12-27
    • US10207793
    • 2002-07-31
    • Shinichi NagaharaRyo SatoKo Ishii
    • Shinichi NagaharaRyo SatoKo Ishii
    • G11B7/085G11B7/09G11B7/13G11B7/135G11B7/095
    • G11B7/131G11B7/0903G11B7/1353
    • An information recording/reproducing apparatus includes an optical device, a photo-detector and a calculation unit. The optical device irradiates light beams, including one main beam and at least two sub-beams with respect to an information recording medium. The photo-detector receives return lights of the main beam and sub-beams to output light detection signals. The calculation unit produces a tracking error signal and a position information signal based on the light detection signals. The optical device irradiates the at least two sub-beams onto positions shifted to opposite sides of a center of the guide track, respectively, when the main beam is being irradiated onto a center of the information recording track. Thus, the apparatus produces the tracking error signal and the position information signal by utilizing a common optical system and a common signal processing system and thereby executes tracking servo control and random access processing with high accuracy.
    • 信息记录/重放装置包括光学装置,光电检测器和计算单元。 光学装置相对于信息记录介质照射包括一个主光束和至少两个子光束的光束。 光检测器接收主光束和子光束的返回光以输出光检测信号。 计算单元基于光检测信号产生跟踪误差信号和位置信息信号。 当主光束被照射到信息记录道的中心时,光学装置分别将至少两个子光束照射到偏移到导轨的中心的相对侧的位置上。 因此,该装置利用公共光学系统和公共信号处理系统产生跟踪误差信号和位置信息信号,从而以高精度执行跟踪伺服控制和随机存取处理。