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    • 91. 发明授权
    • Method for manufacturing piezoelectric actuator
    • 制造压电致动器的方法
    • US07509716B2
    • 2009-03-31
    • US11610065
    • 2006-12-13
    • Shinji OmuraKoichi HayashiShozo Kobayashi
    • Shinji OmuraKoichi HayashiShozo Kobayashi
    • H01L41/22H01L41/00
    • H01L41/273H01L41/0471H01L41/083Y10T29/42Y10T29/435Y10T29/49128Y10T29/4913Y10T29/49155Y10T29/49169
    • In a method for manufacturing a piezoelectric actuator, a ceramic sintered body is prepared and a size of the ceramic sintered body is adjusted in a thickness direction defined below by grinding piezoelectric ceramic layers, included in the ceramic sintered body, located outermost in the thickness direction. In the ceramic sintered body, internal electrodes are each disposed between piezoelectric ceramic layers. The thickness direction is defined as the direction along the thickness of the piezoelectric ceramic layer. Each of the inert sections are disposed on at least one side of the active section, for driving the piezoelectric actuator, in the thickness direction. Dummy internal electrodes are arranged in the inert sections such that each of the dummy internal electrodes are each located between ceramic layers. The thickness of the piezoelectric ceramic layers disposed between the dummy internal electrodes increases with distance from the active section.
    • 在制造压电致动器的方法中,制备陶瓷烧结体,并且通过研磨包含在陶瓷烧结体中的厚度方向最外侧的压电陶瓷层来调节陶瓷烧结体的厚度方向 。 在陶瓷烧结体中,内部电极分别配置在压电陶瓷层之间。 厚度方向被定义为沿着压电陶瓷层的厚度的方向。 每个惰性部分设置在有源部分的至少一侧上,用于在厚度方向上驱动压电致动器。 虚拟内部电极布置在惰性部分中,使得每个虚拟内部电极各自位于陶瓷层之间。 设置在虚拟内部电极之间的压电陶瓷层的厚度随着与有源部分的距离而增加。
    • 93. 发明申请
    • Distributed content storage system, content storage method, node device, and node processing program
    • 分布式内容存储系统,内容存储方法,节点设备和节点处理程序
    • US20080291926A1
    • 2008-11-27
    • US12073350
    • 2008-03-04
    • Koichi Hayashi
    • Koichi Hayashi
    • H04L12/28
    • H04L67/104H04L12/1854H04L12/1881H04L67/06H04L67/1002H04L67/1008H04L67/1019H04L67/1065H04L67/1074H04L67/28H04L67/2842
    • A node device included in a distributed content storing system configured that a plurality of content data are distributed and stored in a plurality of node devices mutually communicable through a network, and node information of the node device storing the above content data is registered in the node device administrating the content data, the node device including: a content receiving means for receiving the content data broadcasted; a storage determining means for randomly determining whether content data as much as a unit are stored when the content data as much as the unit are received; a storing means for storing the content data thus determined; and a registration message transmission means for sending a registration message, provided to make own node information as the node device storing the content data, to the node device administrating the content data when the content data are stored.
    • 包括在分布式内容存储系统中的节点装置被配置为将多个内容数据分布并存储在通过网络相互通信的多个节点设备中,并且存储上述内容数据的节点设备的节点信息被登记在节点中 所述节目装置包括:内容接收装置,用于接收广播的内容数据; 存储确定装置,用于当接收到与所述单元一样多的内容数据时,随机确定是否存储多达一个单元的内容数据; 存储装置,用于存储如此确定的内容数据; 以及注册消息发送装置,用于当存储内容数据时,将提供用于将自己的节点信息作为存储内容数据的节点设备的注册消息发送到管理内容数据的节点设备。
    • 97. 发明授权
    • Acoustic communication terminal apparatus and recording medium for storing a control program therefor
    • 用于存储其控制程序的声学通信终端装置和记录介质
    • US06381312B1
    • 2002-04-30
    • US09449556
    • 1999-11-29
    • Koichi Hayashi
    • Koichi Hayashi
    • H04M1100
    • H04W52/52H04L1/20
    • An acoustic communication terminal apparatus for performing data communication over a telephone line by using an acoustic coupler has an error number counter for counting the number of errors occurring during communication. With a control signal based on the result of this counting performed by the error number counter, the gain of an amplifier circuit provided in an acoustic output section of a transmitter portion of the apparatus is switched, and also the gain of an amplifier circuit provided in an acoustic input section of a receiver portion of the apparatus is switched. Alternatively, with the above control signal, the frequency filtering characteristics of an input filter circuit provided in the acoustic input circuit is switched.
    • 通过使用声耦合器通过电话线进行数据通信的声通信终端装置具有用于对通信期间发生的错误数进行计数的错误号计数器。 利用基于由误差计数器进行的该计数的结果的控制信号,设置在设备的发射器部分的声输出部分中的放大器电路的增益被切换,并且还提供了放大器电路的增益 切换装置的接收部分的声输入部分。 或者,利用上述控制信号,切换设置在声输入电路中的输入滤波电路的频率滤波特性。
    • 98. 发明授权
    • Gradient function material
    • 梯度功能材料
    • US5943546A
    • 1999-08-24
    • US564777
    • 1995-11-29
    • Hirotaka IshibashiKoichi HayashiHiroyuki Nagayama
    • Hirotaka IshibashiKoichi HayashiHiroyuki Nagayama
    • B22F3/22B22F7/02B22F7/06B28B1/00B28B1/26B28B17/00C04B35/622C22C1/10H01J61/36B22F3/00
    • C22C1/1026B22F3/22B22F7/02B22F7/06B28B1/008B28B1/26B28B17/0018C04B35/622H01J61/363B22F2998/00B22F2999/00Y10T428/12021Y10T428/12028Y10T428/12049Y10T428/12056Y10T428/12139Y10T428/12146
    • A disclosed gradient function material is produced by molding and thereafter firing a slurry which contains a plurality of groups of particles having different specific gravities. The plurality of groups of particles include at least a first group of particles and a second group of particles. The first group of particles comprises a group of non-metal particles having a specific gravity ranging from about 3 to 7 and a maximum particle diameter equal to or smaller than a deflocculation limit, said non-metal particles being made of one or more materials selected from the group consisting of an oxide, a carbide, a nitride, and an oxynitride. The second group of particles comprises a group of metal particles having a specific gravity which is about 1.5 times the specific gravity of said first group of particles, and particle diameters distributed across the deflocculation limit. The gradient function material is manufactured by preparing a slurry containing a plurality of groups of particles and/or a plurality of slurries, and supplying the slurry or slurries into a porous mold to form a deposited region in the porous mold initially primarily influenced by way of attraction of the porous mold and subsequently primarily influenced by a deflocculating effect of the particles in the slurry or slurries or under the influence of the gravity.
    • 所公开的梯度功能材料是通过模塑制造的,然后焙烧含有多组具有不同比重的颗粒的浆料。 多组颗粒包括至少第一组颗粒和第二组颗粒。 第一组颗粒包括比重范围为约3至7并且最大粒径等于或小于抗絮凝极限的一组非金属颗粒,所述非金属颗粒由选自下列的一种或多种材料制成: 由氧化物,碳化物,氮化物和氮氧化物组成的组中。 第二组颗粒包括一组比重约为所述第一组颗粒比重的约1.5倍的金属颗粒,并且分布于整个抗絮凝极限的颗粒直径。 梯度功能材料是通过制备含有多组颗粒和/或多种浆料的浆料制造的,并将浆料或浆料供应到多孔模具中,以在多孔模具中形成沉积区域,最初主要受多孔模具 吸引多孔模具,随后主要受到颗粒在浆料或浆料中或在重力影响下的抗絮凝作用的影响。
    • 99. 发明授权
    • Timing recovering apparatus having window periods determined by period
of clock signal
    • 具有由时钟信号周期确定的窗口周期的定时恢复装置
    • US5490181A
    • 1996-02-06
    • US391295
    • 1995-02-21
    • Masafumi ShimotashiroKiyokazu HashimotoYoshio HigashidaKoichi Hayashi
    • Masafumi ShimotashiroKiyokazu HashimotoYoshio HigashidaKoichi Hayashi
    • G11B20/10G11B20/14H03D3/24H04L25/49
    • G11B20/10055G11B20/10009G11B20/1403
    • A timing recovering apparatus comprises an equalizer for equalizing a digital data signal subjected to interleaved NRZI such that the digital data signal has partial response (1, 0, -1), two comparators for comparing the equalized data signal with two different reference levels, two phase comparing portions for detecting phase difference between the outputs of the comparators and a reproduced clock signal separately, an adder for summing the outputs of the phase comparators, and a VCO for generating the reproduce clock signal in accordance with the output of the adder. This timing recovering apparatus performs phase comparing with two different phase comparators and PLL control is performed on the sum of the outputs of the two different phase comparators, so that the clock signal is not affected by data pattern of the data signal. An automatic slice apparatus comprises the equalizer for equalizing a digital data signal subjected to interleaved NRZI, and two comparators supplied with reference levels, and the timing recovering apparatus, detects amplitude of the output of the equalizer in response to the reproduced clock signal to compensate the reference levels.
    • 定时恢复装置包括均衡器,用于对经过交错NRZI的数字数据信号进行均衡,使得数字数据信号具有部分响应(1,0,-1),两个比较器,用于将均衡数据信号与两个不同的参考电平进行比较,两个比较器 相位比较部分,用于分别检测比较器的输出和再生时钟信号之间的相位差,用于对相位比较器的输出求和的加法器和用于根据加法器的输出产生再生时钟信号的VCO。 该定时恢复装置与两个不同的相位比较器进行相位比较,并且对两个不同相位比较器的输出之和执行PLL控制,使得时钟信号不受数据信号的数据模式的影响。 自动切片装置包括均衡器,用于对经过交织的NRZI的数字数据信号进行均衡,两个比较器被提供参考电平,定时恢复装置响应于再现的时钟信号检测均衡器的输出的幅度,以补偿 参考水平