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    • 45. 发明授权
    • Recording and reproducing method and recording and reproducing apparatus
    • 记录和再现方法以及记录和再现装置
    • US08004957B2
    • 2011-08-23
    • US11751753
    • 2007-05-22
    • Takakiyo YasukawaKoichi WatanabeKoichiro Nishimura
    • Takakiyo YasukawaKoichi WatanabeKoichiro Nishimura
    • G11B7/00G11B20/10G11B5/09
    • G11B7/1267G11B7/00456G11B7/0062
    • A recording and reproducing method has a recording pulse generating step of generating a recording pulse to set timing of a beam emitted from a laser according to data to be recorded on an information recording medium; a laser power control step of controlling a laser drive current according to a recording laser power; a beam detecting step of detecting a power of the beam emitted from the laser; a signal detecting step of detecting a signal level of a reproduction signal read out from the information recording medium; a step of binarizing the reproduction signal to generate a binarized signal; a step of generating a data signal synchronized with a reference clock signal with use of the binarized signal; and a step of detecting a shift in time interval between the binarized signal and the reference clock signal and feeding the shift back to the recording pulse.
    • 记录和再现方法具有记录脉冲产生步骤,根据要记录在信息记录介质上的数据产生记录脉冲,以设定从激光发射的光束的定时; 激光功率控制步骤,根据记录激光功率来控制激光驱动电流; 光束检测步骤,用于检测从激光器发射的光束的功率; 信号检测步骤,检测从信息记录介质读出的再现信号的信号电平; 将再现信号二值化以生成二值化信号的步骤; 使用二值化信号产生与参考时钟信号同步的数据信号的步骤; 以及检测二值化信号和参考时钟信号之间的时间间隔的偏移并将移位返回到记录脉冲的步骤。
    • 46. 发明授权
    • Optical pickup
    • 光学拾音
    • US07933188B2
    • 2011-04-26
    • US12025799
    • 2008-02-05
    • Shigeharu KimuraTatsuro IdeKoichi Watanabe
    • Shigeharu KimuraTatsuro IdeKoichi Watanabe
    • G11B7/00
    • G11B7/1381G11B7/0906G11B7/0943G11B2007/0013
    • To reduce a bad influence on a tracking control signal and a data signal by reflected light from an adjacent layer on a multi-layer disc as stray light, the following device is made in the invention. Reflected light from the multi-layer optical disc including stray light from another layer is once converged by a reflected light condenser lens and is reflected on a reflector. A grating which prevents zero-order light from being generated by setting groove depth to λ/4 and which is set to pitch to prevent positive and negative first- or higher-order diffracted lights from returning to the reflected light condenser lens is arranged between the lens and the reflector including an optical axis with the grating apart from the reflector. Hereby, as reflected light from another layer is cut off though reflected light from a corresponding layer is transmitted to a detector, a detected control signal and a detected data signal are not influenced by reflected light from another layer.
    • 为了通过作为杂散光的多层盘上的相邻层的反射光减少对跟踪控制信号和数据信号的不良影响,在本发明中制造了以下装置。 来自包括来自另一层的杂散光的多层光盘的反射光一旦被反射光聚光透镜收敛并在反射器上反射。 通过将沟槽深度设定为λ/ 4并设定为间距以防止正和负的第一级或高级衍射光返回到反射聚光透镜而产生零级光的光栅布置在 透镜和反射器包括光轴与反射器分开的光轴。 因此,由于来自另一层的反射光被切断,尽管来自相应层的反射光被传送到检测器,检测到的控制信号和检测到的数据信号不受来自另一层的反射光的影响。
    • 49. 发明授权
    • Method of attaching hose coupling to hose
    • 将软管接头连接到软管的方法
    • US07624504B2
    • 2009-12-01
    • US11500374
    • 2006-08-08
    • Koichi Watanabe
    • Koichi Watanabe
    • B23P17/00B23P11/00
    • F16L33/2073Y10T29/49435Y10T29/49826Y10T29/49835Y10T29/49913Y10T29/49927Y10T29/53996Y10T403/4966Y10T403/4974
    • A hose coupling according to the present invention for securing a hose has a cylindrical nipple and a cylindrical socket disposed radially outwardly thereof. A plurality of circumferentially extending annular hose gripping projections are provided on a radially inner surface of the socket in a predetermined interval along a longitudinal direction of the nipple. The hose comprises an elastic tube layer and a reinforcing layer disposed radially outwardly thereof, and is to be secured between the nipple and the socket by crimping the socket after the hose is inserted between the nipple and the socket. At least one hose gripping projection of the plurality of hose gripping projections protrudes radially inwardly of the socket greater than other hose gripping projections.
    • 根据本发明的用于固定软管的软管接头具有圆柱形接头和径向向外设置的圆柱形插座。 多个周向延伸的环形软管夹持突起沿着乳头的纵向方向以预定的间隔设置在插座的径向内表面上。 软管包括弹性管层和径向向外设置的加强层,并且在将软管插入在接头和插座之间时通过压接插座将其固定在接头和插座之间。 多个软管夹持突起中的至少一个软管夹持突起比其它软管夹紧突起大于径向向内突出。