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    • 15. 发明授权
    • Rear projection display apparatus and translucent screen for use therein
    • 背投显示装置和半透明屏幕
    • US06502942B2
    • 2003-01-07
    • US09967771
    • 2001-09-28
    • Shigeru MoriYoji NakayamaShigeru InaokaKazunari Nakagawa
    • Shigeru MoriYoji NakayamaShigeru InaokaKazunari Nakagawa
    • G03B2114
    • G03B21/625
    • For providing a rear-projection type display apparatus, and a translucent type sheet for use therein, in particular, using an image modulation element, such as, a liquid crystal or a DMD (Digital Micro-mirror Device), etc., dissolving the speckle disturbances, thereby obtaining a picture being high in brightness and superior in resolution (focus property) thereof, wherein the translucent type screen comprises, a Fresnel sheet (6), at least on a light exit surface of which is formed a Fresnel lens (8), and a lenticular sheet (7), at least on a light incident surface of which is formed a lenticular lens (10) for diverging the light in horizontal direction, and the Fresnel sheet contains light diffusion material (9-1) while the lenticular sheet contains diffusion material (9-2), and being constructed so as to satisfy the condition as described below: 15≦Hf·HL≦45 Hf
    • 为了提供背投型显示装置和用于其中的半透明型片材,特别是使用诸如液晶或DMD(数字微镜装置)等图像调制元件,将 散斑干扰,从而获得亮度高和分辨率(聚焦特性)优异的图像,其中半透明型屏幕包括菲涅耳片(6),至少在光出射表面上形成菲涅尔透镜(6) 8)和透镜片(7),至少在其光入射表面上形成用于在水平方向上发散光的双凸透镜(10),并且菲涅耳片包含光漫射材料(9-1),同时 透镜片包含扩散材料(9-2),并被构造成满足如下所述的条件:其中,Hf(%)表示指示菲涅耳片中扩散材料的含量的雾度值,HL %)指示雾霾值 的透镜片中的扩散材料的含量。
    • 16. 发明授权
    • Non-contact system parallel data transfer system
    • 非接触式系统并行数据传输系统
    • US5574273A
    • 1996-11-12
    • US257906
    • 1994-06-13
    • Kazunari NakagawaTakeshi TottoriWasao TakasugiYoshiharu HinoTakeshi Uchida
    • Kazunari NakagawaTakeshi TottoriWasao TakasugiYoshiharu HinoTakeshi Uchida
    • G06K7/08G06K19/06G06K7/06
    • G06K7/10336
    • An electromagnetic coupling connector for transferring data by an electromagnetic coupling system, including a plurality of data transfer coils for transferring data, disposed at an end portion of a side surface of the connector, a waveform shaper for shaping a waveform of a data signal received by the data transfer coils, and a connector for transferring the signal obtained by the waveform shaper to an equipment to which the electromagnetic coupling connector is fitted. The electromagnetic coupling connector may include a signal transmission/reception portion and a power transmission or reception portion, the signal transmission/reception portion includes a signal amplification circuit, a waveform shaping circuit, a serial/parallel signal conversion circuit and a parallel/serial signal conversion circuit, the power transmission portion includes an oscillation circuit, and the power reception portion includes a rectification/smoothing circuit and a constant voltage.
    • 一种用于通过电磁耦合系统传送数据的电磁耦合连接器,包括设置在连接器侧面端部的用于传送数据的多个数据传送线圈,用于对由 数据传送线圈和用于将由波形整形器获得的信号传送到安装有电磁耦合连接器的设备的连接器。 电磁耦合连接器可以包括信号发送/接收部分和电力传输或接收部分,信号发送/接收部分包括信号放大电路,波形整形电路,串行/并行信号转换电路和并行/串行信号 电力传输部分包括振荡电路,并且电力接收部分包括整流/平滑电路和恒定电压。
    • 18. 发明授权
    • Composite magnetic head
    • 复合磁头
    • US5057955A
    • 1991-10-15
    • US419104
    • 1989-10-10
    • Osamu InagoyaTakeshi TottoriKazunari NakagawaHirosuke MikamiHideo Fujiwara
    • Osamu InagoyaTakeshi TottoriKazunari NakagawaHirosuke MikamiHideo Fujiwara
    • G11B5/193G11B5/265
    • G11B5/2655G11B5/193
    • A composite magnetic head having a recording/playback head and an erasing head combined in one unit through a nonmagnetic material is constructed such that at least one of two core halves constituting the erasing head adjacent to the recording and reproducing head is made of single crystal ferrite, a plane (100) of the single crystal ferrite is substantially parallel to a principal magnetic path-forming plane, and an angle .theta. between an orientation existing in the plane (100) and an operating gap (magnetic gap)-forming plane is in the range of 10.degree.-40.degree. or 80.degree.-120.degree.. The composite magnetic head thus constructed can be made to have a reduced distance between magnetic gaps of both heads so as to be suited for being attached to the compact high-density recording and reproducing apparatus while eliminating crosstalk.
    • 具有通过非磁性材料组合在一个单元中的记录/重放头和擦除头的复合磁头被构造成使得构成与记录和再现头相邻的擦除头的两个半核中的至少一个由单晶铁氧体 ,单晶铁氧体的平面(100)基本上平行于主磁路形成平面,并且存在于平面(100)中的取向<100>与形成操作间隙(磁隙)的角度θ 平面在10°-40°或80°-120°的范围内。 这样构成的复合磁头可以使两个磁头的磁隙之间的距离减小,从而适于附着到紧凑的高密度记录和再现装置上,同时消除串扰。
    • 19. 发明授权
    • Noise reduced contactless parallel data transfer device and method
thereof
    • 降噪非接触并行数据传输装置及其方法
    • US5594680A
    • 1997-01-14
    • US411463
    • 1995-03-28
    • Masatoshi OhtakeTakeshi TottoriKazunari NakagawaNobuo HamamotoTakehiro OhkawaYutaka Kinebuti
    • Masatoshi OhtakeTakeshi TottoriKazunari NakagawaNobuo HamamotoTakehiro OhkawaYutaka Kinebuti
    • G06K19/07G06F3/00G06K17/00G11C7/00G11C5/06
    • G11C7/00
    • A contactless parallel data transfer device which is miniature, highly densed, and highly reliable having a coil block consisting of a first coil group installed in a portable memory and a coil block consisting of a second coil group installed in a data server for transferring access data in parallel between the portable memory (memory card, etc.) and the data server by contactless coupling, wherein the opposite coils of the first and second coil blocks are held close and opposite to each other on a contactless basis, and a parallel pulse group which is transferred in parallel between the both coil blocks is divided at least into a first parallel pulse group consisting of the first number of bits and a second parallel pulse group consisting of the second number of bits, and the parallel transfer timings of the both parallel pulse groups are different from each other, and an induced signal to the neighboring coils of each opposite coil pair of the first and second coil blocks is negated in the opposite phase.
    • 一种非接触式并行数据传送装置,其具有由安装在便携式存储器中的第一线圈组和由安装在用于传送访问数据的数据服务器中的第二线圈组组成的线圈块的微型,高度致密和高可靠性的线圈块 通过非接触耦合在便携式存储器(存储卡等)和数据服务器之间并联连接,其中第一和第二线圈块的相对线圈彼此基于非接触地保持彼此相对并且彼此相对并联脉冲组 在两个线圈块之间并行传送的信号被划分为由第一位数组成的第一并行脉冲组和由第二位数组成的第二并行脉冲组,并且两个并行的并行传送定时 脉冲组彼此不同,并且对第一和第二线圈块的每个相对的线圈对的相邻线圈的感应信号被否定 在相反的阶段。