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    • 1. 发明授权
    • Magneto-optical recording medium
    • 磁光记录介质
    • US5665468A
    • 1997-09-09
    • US269680
    • 1994-07-01
    • Masahiko SekiyaTohru HoriguchiKiyoshi Chiba
    • Masahiko SekiyaTohru HoriguchiKiyoshi Chiba
    • G11B11/105G11B5/66B32B5/16
    • G11B11/10593G11B11/10506G11B11/10521G11B11/10591Y10S428/90Y10T428/12868Y10T428/12889Y10T428/12896Y10T428/1291Y10T428/12931Y10T428/26Y10T428/265
    • A magneto-optical recording medium in which direct overwriting can be done by only modifying the power level and/or the pulse width of applied optical pulses, and without changing the direction of the bias magnetic field. The recording layer comprises first and second magnetic recording layers. The first magnetic layer is a rare-earth transition metal-amorphous alloy and has a perpendicular easy magnetization axis, a thickness of 10 to 200 nm, and a compensation temperature above room temperature. The second magnetic layer comprises an alloy of a first component of Co and/or Fe and a second component of a rare earth metal and/or a noble metal or an alloy of Co and at least one metal selected from Ti, Cr, Mn, Cu, Zn, Ga and Ge. The second magnetic layer is a material having an in-plane easy magnetization axis such that it has a magnetization axis parallel to the second magnetic layer if formed independently on a dielectric layer, the second magnetic layer having a thickness of not more than 3 nm.
    • 一种磁光记录介质,其中可以通过仅修改施加的光脉冲的功率电平和/或脉冲宽度,并且不改变偏置磁场的方向来进行直接重写。 记录层包括第一和第二磁记录层。 第一磁性层是稀土过渡金属非晶合金,具有垂直的易磁化轴,厚度为10-200nm,补偿温度高于室温。 第二磁性层包括Co和/或Fe的第一组分和稀土金属和/或贵金属或Co的合金的第二组分和选自Ti,Cr,Mn, Cu,Zn,Ga和Ge。 第二磁性层是具有面内易磁化轴的材料,使得如果独立地形成在电介质层上,则具有平行于第二磁性层的磁化轴,第二磁性层的厚度不大于3nm。
    • 10. 发明授权
    • Signal safety method, signal safety apparatus and signal safety system
    • 信号安全方法,信号安全装置和信号安全系统
    • US07099754B2
    • 2006-08-29
    • US10737981
    • 2003-12-18
    • Yoichi SugitaDai WatanabeTakatoshi MiyazakiKiyoshi Chiba
    • Yoichi SugitaDai WatanabeTakatoshi MiyazakiKiyoshi Chiba
    • B61L1/00
    • B61L23/14
    • In order to propose a method of promptly judging movement of a train between block sections with a minimum number of transponders, an on-ground train control part for controlling operation of a train; an on-ground communication means capable of performing communication of information by coming within a specified range; and a sending-and-receiving part capable of sending the information received by the on-ground communication device to the on-ground train control part and receiving the information sent from the on-ground train control part, are provided, thereby, a position of presence of train is grasped by receiving a speed of the train using the on-ground communication means when the on-train communication means attached to the train comes near.
    • 为了提出一种快速判断具有最少数量的转发器的块段之间的列车运动的方法,用于控制列车运行的地面列车控制部分; 地面通信装置,能够通过进入指定范围内的信息进行通信; 以及能够将地面通信装置接收到的信息发送到地面列车控制部分并且接收从地面列车控制部分发送的信息的发送和接收部分,由此提供一个位置 当列车附近的列车通信装置靠近时,通过使用地面通信装置接收火车的速度来掌握列车的存在。