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    • 2. 发明授权
    • Cutter shifting mechanism for center machine
    • 中心机切刀换档机构
    • US07775954B2
    • 2010-08-17
    • US11767599
    • 2007-06-25
    • Yi-Chun Liu
    • Yi-Chun Liu
    • B23Q3/157
    • B23Q3/1554B23Q2003/155428B23Q2003/155439Y10T483/1755Y10T483/1767
    • A cutter shifting mechanism includes a main body having a longitudinal cylinder casing and a shaft is located in the longitudinal cylinder casing. An arm is connected to a lower end of the shaft so as to be connected with cutters. A longitudinal pushing device is connected to a top end of the shaft and a gear is rotatably mounted to the shaft. The gear is movable along a longitudinal axis of the shaft. A threaded rod is engaged with the gear and connected with a latitude pushing device. Each of the longitudinal and latitude pushing devices includes a pneumatic cylinder. The mechanism includes simple structure and can be manufactured at low cost. The pneumatic cylinders accurately operate the parts of the mechanism.
    • 切刀移动机构包括具有纵向气缸壳体的主体,并且轴位于纵向气缸壳体中。 臂连接到轴的下端,以便与切割器连接。 纵向推动装置连接到轴的顶端,齿轮可旋转地安装在轴上。 齿轮可沿着轴的纵向轴线移动。 螺纹杆与齿轮接合并与纬度推动装置连接。 纵向和纬度推动装置中的每一个包括气缸。 该机构结构简单,可以低成本制造。 气缸精确地操作机构的部件。
    • 3. 发明申请
    • Method Of Flash Memory Management
    • 闪存管理方法
    • US20070245064A1
    • 2007-10-18
    • US11279889
    • 2006-04-15
    • Yi-Chun Liu
    • Yi-Chun Liu
    • G06F12/00
    • G06F12/0246G06F2212/1036G06F2212/7211G11C16/349G11C16/3495G11C29/76
    • A wear-leveling method for managing flash memory is provided, including an access process to consult a translation table when accessing a data block in the data region, and a reconstruction process to reconstruct the translation table when powering on the flash memory. The translation table is defined to include a plurality of entries, and each entry includes a physical address field and an enduring counter field. The logical address of a data block is used as input to map to the entry in the translation table. The access process, further including a read process and an erase/program process, maps the logical address to the physical address, and uses the enduring counter to determine whether an update is required to avoid the disturbance. The reconstruct process uses the information stored in the spare data region to reconstruct the translation table for the access process to consult during flash memory accesses.
    • 提供了一种用于管理闪速存储器的磨损均衡方法,包括当访问数据区域中的数据块时参考翻译表的访问过程,以及重新启动过程以在对闪存进行上电时重建转换表。 翻译表被定义为包括多个条目,并且每个条目包括物理地址字段和持续的计数器字段。 数据块的逻辑地址用作输入,以映射到转换表中的条目。 访问过程还包括读取处理和擦除/编程处理,将逻辑地址映射到物理地址,并且使用持续计数器来确定是否需要更新以避免干扰。 重建过程使用存储在备用数据区域中的信息来重建用于在闪速存储器访问期间进行访问的访问过程的转换表。
    • 8. 发明授权
    • Wire grid polarizer with double metal layers
    • 带双层金属层的线栅偏振器
    • US07158302B2
    • 2007-01-02
    • US10820421
    • 2004-04-08
    • Chih-Ho ChiuHui-Lung KuoYi-Chun LiuPing-Chen Chen
    • Chih-Ho ChiuHui-Lung KuoYi-Chun LiuPing-Chen Chen
    • G02B27/28
    • G02B5/3058
    • A wire grid polarizer with double metal layers for the visible spectrum. Parallel dielectric layers having a period (p) of 10˜250 nm and a trench between adjacent dielectric layers overlie a transparent substrate. A first metal layer having a first thickness (d1) of 30˜150 nm is disposed in the trench. A second metal layer having a second thickness (d2) of 30˜150 nm and a width (w) overlies on the top surface of each dielectric layer. The first and second metal layers are separated by a vertical distance (l) of 10˜100 nm. The first thickness (d1) is the same as the second thickness (d2). A ratio of the width (w) to the period (p) is 25˜75%.
    • 具有可见光谱双金属层的线栅偏振器。 具有10〜250nm的周期(p)的平行电介质层和相邻电介质层之间的沟槽覆盖在透明基板上。 具有30〜150nm的第一厚度(d 1)的第一金属层设置在沟槽中。 具有30〜150nm的第二厚度(d 2)和宽度(w)的第二金属层覆盖在每个介电层的顶表面上。 第一和第二金属层被隔开10〜100nm的垂直距离(l)。 第一厚度(d 1)与第二厚度(d 2)相同。 宽度(w)与周期(p)的比率为25〜75%。