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    • 1. 发明授权
    • Method for recording and reproduction on a magneto-optical recording medium
    • 在磁光记录介质上进行记录和再现的方法
    • US07113453B1
    • 2006-09-26
    • US09321795
    • 1999-05-28
    • Katsusuke ShimazakiNorio OhtaAkiyoshi ItoKatsuji NakagawaKazuko Inoue
    • Katsusuke ShimazakiNorio OhtaAkiyoshi ItoKatsuji NakagawaKazuko Inoue
    • G11B11/00G11B7/24
    • G11B11/10508G11B11/10515G11B11/10586
    • A magneto-optical recording medium and a method for recording and reproduction thereon are provided in order to reproduce information recorded by multi-valued recording at a high S/N ratio. Disclosed is a magneto-optical recording medium including two magnetic layers capable of four-valued recording based on four combined magnetization states. Magnitudes of reproduction signals concerning the four magnetization states, obtained upon reproduction at a wavelength λ1, are different from those obtained upon reproduction at a wavelength λ2. The two magnetic layers, on which a signal (a) is recorded, are irradiated with light beams having the wavelengths λ1 and λ2 respectively. Signals (d), (e) reproduced from respective reflected light beams are sliced by using at least one slice level to obtain two-valued or higher multi-valued reproduction signals respectively. The two-valued or higher multi-valued reproduction signals (f), (g) from the respective wavelengths are mutually subjected to logical operation to reproduce recorded information (i).
    • 提供磁光记录介质及其上的记录和再现方法,以便以高S / N比再现通过多值记录记录的信息。 公开了一种包括基于四个组合磁化状态能够进行四值记录的两个磁性层的磁光记录介质。 在波长λ1 1再现时获得的关于四个磁化状态的再现信号的幅度与在波长λ2 2再现时获得的重现信号的大小不同。 在其上记录有信号(a)的两个磁性层分别用波长λ1和λ2的光束照射。 通过使用至少一个限幅电平对从各反射光束再现的信号(d),(e)进行分片,以分别获得二值或更高的多值再现信号。 来自各个波长的两值或更高的多值再生信号(f),(g))相互进行逻辑运算以再现记录信息(i)。
    • 2. 发明授权
    • Magneto-optical recording medium and method for recording and
reproduction thereon
    • 磁光记录介质及其上的记录和再现方法
    • US5923625A
    • 1999-07-13
    • US981308
    • 1997-12-16
    • Katsusuke ShimazakiNorio OhtaAkiyoshi ItoKatsuji NakagawaKazuko Inoue
    • Katsusuke ShimazakiNorio OhtaAkiyoshi ItoKatsuji NakagawaKazuko Inoue
    • G11B11/10G11B11/105G11B11/00
    • G11B11/10508G11B11/10515G11B11/10586
    • A magneto-optical recording medium and a method for recording and reproduction thereon are provided in order to reproduce information recorded by multi-valued recording at a high S/N ratio. Disclosed is a magneto-optical recording medium including two magnetic layers capable of four-valued recording based on four combined magnetization states. Magnitudes of reproduction signals concerning the four magnetization states, obtained upon reproduction at a wavelength .lambda..sub.1, are different from those obtained upon reproduction at a wavelength .lambda..sub.2. The two magnetic layers, on which a signal (a) is recorded, are irradiated with light beams having the wavelengths .lambda..sub.1 and .lambda..sub.2 respectively. Signals (d), (e) reproduced from respective reflected light beams are sliced by using at least one slice level to obtain two-valued or higher multi-valued reproduction signals respectively. The two-valued or higher multi-valued reproduction signals (f), (g) from the respective wavelengths are mutually subjected to logical operation to reproduce recorded information (i).
    • PCT No.PCT / JP96 / 01938 Sec。 371日期:1997年12月16日 102(e)日期1997年12月16日PCT提交1996年7月12日PCT公布。 公开号WO97 / 03439 日期1997年1月30日提供磁光记录介质及其上的记录和再现方法,以便以高S / N比再现由多值记录记录的信息。 公开了一种包括基于四个组合磁化状态能够进行四值记录的两个磁性层的磁光记录介质。 关于在波长λ1再现时获得的四种磁化状态的再现信号的幅度与在波长λ2再现时获得的不同。将记录有信号(a)的两个磁性层照射 分别具有波长λ1和λ2的光束。 通过使用至少一个限幅电平对从各反射光束再现的信号(d),(e)进行分片,以分别获得二值或更高的多值再现信号。 来自各个波长的两值或更高的多值再生信号(f),(g))相互进行逻辑运算以再现记录信息(i)。
    • 8. 发明授权
    • Junction structure between steel member and structural member
    • 钢构件与结构构件之间的结构
    • US5410847A
    • 1995-05-02
    • US192066
    • 1994-02-04
    • Yasuo OkawaAkiyoshi ItoHiroshi HayasakaToshio SaekiNaoki TanakaKiyobumi Sugawara
    • Yasuo OkawaAkiyoshi ItoHiroshi HayasakaToshio SaekiNaoki TanakaKiyobumi Sugawara
    • E04B1/30F16B13/14E04B1/24E04B1/58
    • E04B1/30F16B13/141Y10T403/7001Y10T403/75
    • A junction for connecting a steel member to a structural member, such as a beam in a steel framed construction to a column in a reinforced concrete construction, a steel framed concrete construction or a steel framed construction. Junction hardware connect to the steel member and a rod-like orthogonal metal connector is provided in concrete structural members. The elements are connected by tightening bolts or by screw joints through a coupler. Since the metal connector is in a form of rod, the concrete member has a high packing property. Field welding work is omitted by connecting the metal connector to the junction hardware by a bolt connection method or by a screw joint method to facilitate assembly. Furthermore, the intermediate portion of the metal connector may have a flat or curved shape or a metal connector orthogonal to the intermediate portion may have a passable through hole, and thus the bolt portion of both metal connectors are positioned at the same level as are the heights of the top ends of the steel beams intersecting at right angles.
    • 用于将钢构件连接到结构构件的接合处,例如钢框架结构中的梁到钢筋混凝土结构中的柱,钢框架混凝土结构或钢框架结构。 接头硬件连接到钢构件,并且杆状正交金属连接器设置在混凝土结构构件中。 元件通过紧固螺栓或通过联接器的螺纹接头连接。 由于金属连接器是杆的形式,所以混凝土构件具有高的包装性。 通过螺栓连接方法或通过螺纹接合方法将金属连接器连接到接合硬件来省略现场焊接工作以便于组装。 此外,金属连接器的中间部分可以具有平坦或弯曲的形状,或者与中间部分正交的金属连接器可以具有可通过的通孔,因此两个金属连接器的螺栓部分位于与 钢梁顶端的高度与直角相交。