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    • 91. 发明授权
    • Motional feedback loudspeaker apparatus having a coupling member for
connecting a voice coil bobbin with a detecting coil bobbin
    • 具有用于将音圈骨架与检测线圈架连接的耦合部件的运动反馈扬声器装置
    • US5533134A
    • 1996-07-02
    • US287294
    • 1994-08-08
    • Kunihiko TokuraMasaru UryuKenji Yamada
    • Kunihiko TokuraMasaru UryuKenji Yamada
    • C08L67/00H04R3/00H04R3/04H04R9/02H04R9/04
    • H04R3/002H04R9/04
    • A loudspeaker apparatus includes a diaphragm, a driving part driving a diaphragm, a detecting part and a coupling member. The driving part includes a voice coil bobbin mounted on the diaphragm, a voice coil wound about the voice coil bobbin and a driving magnetic circuit generating a driving power driving the diaphragm along with the voice coil. The detecting part has its terminal voltage changed responsive to the rate of displacement of the diaphragm or the voice coil bobbin. The detecting part has a detection bobbin about which a detection coil is wound and a detection magnetic circuit for detecting displacement of the diaphragm or the voice coil bobbin along with the detection coil. The connecting member is cup-shaped and formed of a liquid crystal polymer material. The coupling member has its surface smoothly curved from the outer lateral side towards the center. The coupling member has one of the voice coil bobbin and the detection bobbin mounted on its outer peripheral surface and the other of the voice coil bobbin and the detection bobbin mounted on its mid portion. The driving part and the detection part are arranged coaxially. A detection signal of the detecting part is fed back to the driving part.
    • 扬声器装置包括隔膜,驱动隔膜的驱动部,检测部和联接构件。 驱动部分包括安装在隔膜上的音圈筒管,缠绕在音圈筒管上的音圈和产生与音圈一起驱动隔膜的驱动力的驱动磁路。 检测部件的端子电压响应于膜片或音圈筒管的位移速率而变化。 检测部具有卷绕有检测线圈的检测线轴和用于检测振膜或音圈筒管与检测线圈的位移的检测磁路。 连接构件是杯形的并且由液晶聚合物材料形成。 联接构件的表面从外侧向中心平滑地弯曲。 联接构件具有安装在其外周面上的音圈筒管和检测筒管中的一个,并且音圈筒管和检测筒管中的另一个安装在其中部。 驱动部和检测部同轴配置。 检测部的检测信号反馈到驱动部。
    • 93. 发明授权
    • Output-buffer switch for asynchronous transfer mode
    • 用于异步传输模式的输出缓冲开关
    • US5455820A
    • 1995-10-03
    • US243934
    • 1994-05-18
    • Kenji Yamada
    • Kenji Yamada
    • H04L12/54H04L12/70H04L12/933H04L12/935H04N21/2365H04N21/434H04L12/56
    • H04L12/5601H04L49/107H04L49/3081H04N21/2365H04N21/4347H04L2012/5635H04L2012/5672H04L2012/5679H04L2012/5681H04L2012/5683
    • In an output-buffer switch for an asynchronous transfer mode, comprising a plurality of input buffer sections each for temporarily storing cells coming in through a respective input line, a time-division multiplexing section for time-division multiplexing the cells from the input buffer sections, and a plurality of output buffer sections each for temporarily storing the cells from the time-division multiplexing section which are meant for a respective output line, the output buffer sections each has a cell buffer, and a buffer occupancy ratio calculator which calculates an occupancy ratio of the cell buffer on the basis of the address information of the trailing and leading cells stored in the buffer. When the occupancy ratio exceeds a predetermined threshold, the calculator generates a buffer occupancy state signal. Each input buffer section has a buffer controller, an address filter, cell buffers, and a buffer selector. On receiving a buffer occupancy state signal from any output buffer section, the buffer controller controls the address filter, cell buffers and buffer selector such that cells addressed to the output buffer section, which is about to overflow, are temporarily stored in the cell buffer other than the cell buffer used when the buffer occupancy state signal is absent. These cells are fed out from the buffer when the occupancy ratio decreases to below the threshold. As a result, when any one of the output buffer sections overflows, it is recovered immediately without cells being discarded.
    • 在用于异步传输模式的输出缓冲器开关中,包括多个输入缓冲器部分,每个输入缓冲器部分用于临时存储通过相应输入线进入的单元;时分复用部分,用于对来自输入缓冲器部分的单元进行时分复用 以及多个输出缓冲器部分,每个输出缓冲器部分用于临时存储来自时分多路复用部分的用于各个输出线的单元,所述输出缓冲器部分各自具有单元缓冲器,以及计算占用率的缓冲器占有率计算器 基于存储在缓冲器中的尾部和前导单元的地址信息,单元缓冲器的比率。 当占有率超过预定阈值时,计算器产生缓冲器占用状态信号。 每个输入缓冲区具有缓冲控制器,地址过滤器,单元缓冲器和缓冲选择器。 在从任何输出缓冲器部分接收缓冲器占用状态信号时,缓冲器控制器控制地址过滤器,单元缓冲器和缓冲器选择器,使得寻址到即将溢出的输出缓冲器部分的单元暂时存储在单元缓冲器中 比当缓冲器占用状态信号不存在时使用的单元缓冲器。 当占用率降低到阈值以下时,从缓冲器馈送这些电池。 结果,当任何一个输出缓冲区溢出时,立即被恢复,而不丢弃单元。
    • 94. 发明授权
    • Product-sum operation unit
    • 产品总和运算单元
    • US5424969A
    • 1995-06-13
    • US13798
    • 1993-02-05
    • Kenji YamadaKiichiro IgaMasaru Sawada
    • Kenji YamadaKiichiro IgaMasaru Sawada
    • G06F7/544G06F7/00
    • G06F7/5443G06F2207/3884
    • A product-sum operation unit including a multiplying unit, a pipeline register for loading a multiplication result, an adder unit for adding a summand and either an output of the pipeline register or an addend. A timing signal generating unit generates first and second timing signals (T1, T2) that are synchronized with first and second clocks (CK1, CK2). A first instruction latch loads an instruction synchronously with the first timing signal (T1) to output a first control signal. A second instruction latch loads an instruction loaded in the first instruction latch synchronously with the second timing signal (T2) to output the second control signal. A control signal selector outputs the second control signal in response to the first timing signal (T1), and also outputs the first control signal to the adder unit, in response to the second timing signal (T2).
    • 产品和运算单元,包括乘法单元,用于加载相乘结果的流水线寄存器,用于加法加法器的加法器单元和流水线寄存器的输出或加数。 定时信号产生单元产生与第一和第二时钟(CK1,CK2)同步的第一和第二定时信号(T1,T2)。 第一指令锁存器与第一定时信号(T1)同步地加载指令以输出第一控制信号。 第二指令锁存器与第二定时信号(T2)同步地加载与第一指令锁存器相加的指令,以输出第二控制信号。 控制信号选择器响应于第一定时信号(T1)输出第二控制信号,并且还响应于第二定时信号(T2)将第一控制信号输出到加法器单元。
    • 95. 发明授权
    • Object-surface-shape measuring apparatus
    • 物体表面形状测量装置
    • US5416538A
    • 1995-05-16
    • US143690
    • 1993-10-27
    • Kenji Yamada
    • Kenji Yamada
    • G01B11/24A61B3/10A61B3/107G01B11/255
    • G01B11/255A61B3/107
    • An apparatus is provided for measuring the shape of a surface of an object in compact size, in easy operability and with improved measurement precision. The apparatus is provided with a measurement relay system and an observation relay system for respectively guiding a reflected image of index on the object surface through an objective lens to re-image it at a certain magnification on a photoelectric converter, a member enclosing the measurement relay system and the observation relay system and disposed between the objective lens and the photoelectric converter, and rotating means for rotating the member such that either the optical axis of the measurement relay system or the optical axis of the observation relay system is made coincident with an optical path between the objective lens and the photoelectric converter.
    • 提供了一种用于测量紧凑尺寸的物体表面形状,易于操作和提高测量精度的装置。 该装置设置有测量继电器系统和观测继电器系统,用于分别通过物镜引导物体表面上的折射率的反射图像,以一定的倍率在光电转换器上重新成像,包围测量继电器 系统和观察继电器系统,并且设置在物镜和光电转换器之间;以及旋转装置,用于旋转构件,使得测量继电器系统的光轴或观察继电器系统的光轴与光学 物镜与光电转换器之间的路径。
    • 100. 发明授权
    • Apparatus for eye examination
    • 眼睛检查装置
    • US4679921A
    • 1987-07-14
    • US736072
    • 1985-05-20
    • Kenji Yamada
    • Kenji Yamada
    • A61B3/02A61B3/103A61B3/10
    • A61B3/103
    • An eye-examining apparatus comprises a first positive lens unit, a negative lens unit, a second positive lens unit, a third positive lens unit and a target mark arranged in the named order from the side of the examined eye. The third positive lens unit is mounted movably along the optical axis. Between the first and second positive lens units there is interposed on astigmatic system rotatable about the optical axis. The negative lens unit, the second positive lens unit and the third positive lens unit are so arranged as to form an image of the mark at a position near the focal point on the target mark side of the first lens unit. The focal point on the examined eye of the composite system composed of the negative lens unit, the second positive lens unit and the third positive lens unit is approximately coincident with the position conjugate with the pupil of the examined eye relative to the first positive lens unit. The diopter of the apparatus is changed by moving the third positive lens unit and the change of the axis and degree of astigmatism are achieved by rotating the astigmatism system.
    • 检眼装置包括从被检眼的侧面按顺序排列的第一正透镜单元,负透镜单元,第二正透镜单元,第三正透镜单元和目标标记。 第三正透镜单元沿光轴可移动地安装。 在第一和第二正透镜单元之间,插入有围绕光轴可旋转的像散系统。 负透镜单元,第二正透镜单元和第三正透镜单元布置成在第一透镜单元的目标标记侧的焦点附近的位置处形成标记的图像。 由负透镜单元,第二正透镜单元和第三正透镜单元构成的复合系统的检查眼睛的焦点与与被检眼的瞳孔相对于第一正透镜单元共轭的位置大致重合 。 通过移动第三正透镜单元来改变设备的屈光度,并且通过旋转像散系统来实现轴的变化和散光程度。