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    • 63. 发明授权
    • Zero-g offset identification of an accelerometer employed in a hard disk drive
    • 用于硬盘驱动器的加速度计的零-G偏移识别
    • US07350394B1
    • 2008-04-01
    • US11292473
    • 2005-12-02
    • William FlynnWei GuoMark HeimbaughYunfeng Li
    • William FlynnWei GuoMark HeimbaughYunfeng Li
    • G01P21/00
    • G01P15/0891G01P15/18G01P21/00G11B19/043
    • A method is provided for identifying offsets of accelerometers integrated into hard disk drives. More specifically, often, disk drives employ accelerometers that constantly monitor the acceleration felt by the disk drive. Once the accelerations are less than a predetermined threshold, a free fall event is identified and an actuator arm that is generally positioned above the disk is placed in a safe location prior to impact. Accelerometers must be calibrated prior to use such that their inherent errors are identified and factored into the algorithm that identifies free fall. The method provided herein allows for the 0 g offset to be monitored without having to reorient the device being tested, thus saving time and money.
    • 提供了一种用于识别集成到硬盘驱动器中的加速度计的偏移的方法。 更具体地,磁盘驱动器经常使用加速度计,它们不断地监视磁盘驱动器感觉到的加速度。 一旦加速度小于预定阈值,则识别出自由落体事件,并且通常位于盘上方的致动器臂在冲击之前被放置在安全位置。 加速度计必须在使用之前进行校准,以便确定其固有误差并将其分解到识别自由落体的算法中。 本文提供的方法允许监测0g偏移量,而不必重新定向被测试的装置,从而节省时间和金钱。
    • 65. 发明申请
    • WiFi collaboration method to reduce RF interference with wireless adapter
    • WiFi协作方式,减少与无线适配器的射频干扰
    • US20060217071A1
    • 2006-09-28
    • US11091557
    • 2005-03-28
    • David RussoWei Guo
    • David RussoWei Guo
    • H04B7/00
    • H04W16/14A63F2300/1025A63F2300/1031
    • A system and method for preventing a wireless controller system and WiFi radio system within a console from interfering with each other. The WiFi system is prevented from activating its transmitter during the controller receive times by detecting a signal sent to the WiFi module indicating where the controller receive times occur. Based upon the state of the signal, the WiFi transmission algorithm can determine the appropriate times to turn on and off the WiFi transmitter in concert with the defined 802.11 media access protocol. Furthermore, the WiFi module provides its operating channel information to the controller radio system to avoid using the WiFi channel for any communications.
    • 用于防止控制台内的无线控制器系统和WiFi无线电系统彼此干扰的系统和方法。 通过检测发送到WiFi模块的信号,指示控制器接收时间发生在哪里,防止WiFi系统在控制器接收时间期间激活其发射机。 基于信号的状态,WiFi传输算法可以根据定义的802.11媒体访问协议来确定适当的时间来打开和关闭WiFi发射机。 此外,WiFi模块向控制器无线电系统提供其操作信道信息,以避免使用WiFi信道进行任何通信。
    • 67. 发明授权
    • Method and apparatus for determining the pass through flux of magnetic materials
    • 用于确定磁性材料通过通量的方法和装置
    • US06454911B1
    • 2002-09-24
    • US09631856
    • 2000-08-03
    • Yun XuWei GuoStephen Turner
    • Yun XuWei GuoStephen Turner
    • C23C1435
    • G01R33/10
    • The invention includes an apparatus and method for determining the pass through flux of magnetic materials. The apparatus comprises one or more magnetic field sensors arranged in such a way as to collect field strength data in any or all the x, y, z directions. The apparatus also comprises a magnet field source or arrangement of magnet field sources which are placed beneath the material being characterized and includes a mechanism whereby the magnetic material can be mapped by the movement of any one or combination of: magnetic field source or sources, sensors and magnetic material. The invented method comprises the use of various configurations of magnetic sources in order to generate a magnetic field that emulates the open-loop condition found in magnetron sputtering.
    • 本发明包括用于确定磁性材料通过通量的装置和方法。 该装置包括一个或多个磁场传感器,其布置成在任何或所有x,y,z方向上收集场强数据。 该设备还包括磁场源或磁场源的布置,其被放置在被表征的材料之下,并且包括机构,由此磁性材料可以通过以下任何一种或组合的运动来映射:磁场源或传感器 和磁性材料。 本发明的方法包括使用各种结构的磁源,以产生模拟在磁控溅射中发现的开环条件的磁场。
    • 69. 发明授权
    • Forced cooling circulation system for drilling mud
    • 用于钻井泥浆的强制冷却循环系统
    • US09062509B2
    • 2015-06-23
    • US13575941
    • 2010-04-15
    • Youhong SunJiangpeng ZhaoWei GuoHuiwen XuQinghua WangChen ChenGuosheng LiRui JiaJianguo ZhaoJun Xue
    • Youhong SunJiangpeng ZhaoWei GuoHuiwen XuQinghua WangChen ChenGuosheng LiRui JiaJianguo ZhaoJun Xue
    • E21B36/00E21B21/01F25D29/00F25D17/02
    • E21B36/001E21B21/01F25D17/02F25D29/00
    • A forced cooling circulation system for drilling mud, which includes a refrigeration unit (1), a secondary refrigerant tank (4), a coaxial convection heat exchanger (12) for mud and a mud pond (17), is disclosed. The refrigeration unit (1) is in connection with the secondary refrigerant tank (4) and the coaxial convection heat exchanger (12) for mud via a pump (2), and the coaxial convection heat exchanger (12) for mud is in connection with the mud pond (17) via a pump (15) and pipelines. Heat exchange tubes of the coaxial convection heat exchanger (12) for mud are disposed as a double-layer structure or a multi-layer structure, and the inner heat exchange tubes (23) are mounted inside of the outer heat exchange tubes (25). The secondary refrigerant or the mud is circulated in the annular space between the inner heat exchange tubes (23) and the outer heat exchange tubes (25), and the mud or the secondary refrigerant is circulated in the inner tubes (23). The flow of the circulated mud is opposite to that of the circulated secondary refrigerant, and insulation material (24) is painted on the external wall of the outer tubes (25).
    • 公开了一种用于钻井泥浆的强制冷却循环系统,其包括制冷单元(1),二次制冷剂罐(4),用于泥浆的同轴对流热交换器(12)和泥浆池(17)。 制冷单元(1)通过泵(2)与二级制冷剂罐(4)和用于泥浆的同轴对流热交换器(12)连接,用于泥浆的同轴对流热交换器(12)与 泥浆池(17)通过泵(15)和管道。 用于泥浆的同轴对流换热器(12)的换热管被设置为双层结构或多层结构,并且内部换热管(23)安装在外部换热管(25)的内部, 。 二次制冷剂或泥浆在内部热交换管23和外部热交换管25之间的环形空间中循环,泥浆或二次制冷剂在内管23中循环。 循环泥浆的流动与循环的二次制冷剂的流动相反,绝缘材料(24)涂在外管(25)的外壁上。