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    • 8. 发明授权
    • High strength Mg alloy and method for producing same
    • 高强度镁合金及其制造方法
    • US09523141B2
    • 2016-12-20
    • US14356502
    • 2012-11-06
    • Kota WashioAkira KatoToshiji MukaiAlok SinghHidetoshi Somekawa
    • Kota WashioAkira KatoToshiji MukaiAlok SinghHidetoshi Somekawa
    • C22C23/04C22F1/06C22C1/02C22C23/00C22F1/00
    • C22F1/06C22C1/02C22C23/00C22C23/04C22F1/00
    • Provided is an Mg alloy and a method for producing same able to demonstrate high strength without requiring an expensive rare earth element (RE). The high-strength Mg alloy containing Ca and Zn within a solid solubility limit and the remainder having a chemical composition comprising Mg and unavoidable impurities is characterized in comprising equiaxial crystal particles, there being a segregated area of Ca and Zn along the (c) axis of a Mg hexagonal lattice within the crystal particle, and having a structure in which the segregated area is lined up by Mg3 atomic spacing in the (a) axis of the Mg hexagonal lattice. The method for producing the high-strength Mg alloy is characterized in that Ca and Zn are added to Mg in a compounding amount corresponding to the above composition and, after homogenization heat treating an ingot formed by dissolution and casting, the above structure is formed by subjecting the ingot to hot processing.
    • 提供一种Mg合金及其制造方法,能够显示高强度而不需要昂贵的稀土元素(RE)。 含有固溶度极限中的Ca和Zn的高强度Mg合金和其中包含Mg和不可避免的杂质的化学组成的其余部分的特征在于包括等轴晶体颗粒,沿着(c)轴具有Ca和Zn的偏析面积 的晶体粒子内的Mg六角形晶格,并且具有在Mg六方晶格的(a)轴上偏析区域被Mg 3原子间隔排列的结构。 高强度Mg合金的制造方法的特征在于,以与上述组成相对应的配合量将Mg和Ca添加到Mg中,在通过溶解和铸造形成的锭均质化热处理后,上述结构通过 对锭进行热加工。
    • 9. 发明授权
    • Radio-controlled watch
    • 无线电控制手表
    • US08792308B2
    • 2014-07-29
    • US13634403
    • 2011-03-23
    • Akira KatoTakushi HagitaTadashi Yasuoka
    • Akira KatoTakushi HagitaTadashi Yasuoka
    • G04C11/02
    • G05G5/005G04R20/06
    • Provided is a radio-controlled watch capable of performing leap second correction even when information on a leap second is not received from a satellite. Provided is a radio-controlled watch that adjusts time by receiving a signal containing time information from a satellite, the radio-controlled watch being configured to: store a leap second correction value to be used for leap second correction with respect to the time information; display a numerical value corresponding to the leap second correction value; receive an instruction operation of changing the leap second correction value from a user in a state in which the numerical value is displayed; and change the leap second correction value in response to the received instruction operation.
    • 提供了即使在没有从卫星接收到关于闰秒的信息的情况下也能够执行闰秒校正的无线电控制的手表。 提供一种无线电控制手表,其通过从卫星接收到包含时间信息的信号来调整时间,该无线电控制手表被配置为:存储用于相对于时间信息的闰秒校正的闰秒校正值; 显示对应于闰秒校正值的数值; 在显示数值的状态下接收从用户改变闰秒校正值的指令操作; 并且响应于接收到的指令操作来改变闰秒校正值。