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    • 2. 发明授权
    • Reparity bitmap RAID failure recovery
    • 可靠性位图RAID故障恢复
    • US06799284B1
    • 2004-09-28
    • US09797007
    • 2001-02-28
    • Kayuri PatelRaymond ChenRajesh SundaramSrinivasan ViswanathanAndy Kahn
    • Kayuri PatelRaymond ChenRajesh SundaramSrinivasan ViswanathanAndy Kahn
    • G06F1100
    • G06F11/1076
    • The invention provides a method and system for reducing RAID parity computation following a RAID subsystem failure. Ranges of RAID stripes are assigned to bits in a bitmap that is stored on disk. When writes to the RAID are in progress, the bit associated with the range of stripes in the bitmap is set. When a failure occurs during the write process, the bitmap is analyzed on reboot to determine which ranges of stripes where in the process of being written, and the parity data for only those ranges of stripes is recomputed. Efficiency is increased by use of an in-memory write counter that tracks multiple writes to each stripe range. Using the write counter, the bitmap is written to disk only after each cycle of its associated bitmap bit being set to a value of 1 and then returning to zero. The invention may be installed, modified, and removed at will from a RAID array, and this may be accomplished while the system is in operation.
    • 本发明提供了一种用于在RAID子系统故障之后减少RAID奇偶校验计算的方法和系统。 RAID条带的范围分配给存储在磁盘上的位图中的位。 当对RAID的写入进行中,与位图中的条带范围相关联的位被设置。 当在写入过程中发生故障时,在重新启动时分析位图,以确定在写入过程中哪个条带范围,并且仅重新计算那些条带范围的奇偶校验数据。 通过使用跟踪对每个条带范围的多次写入的内存中写计数器来提高效率。 使用写计数器,位图仅在其相关位图位的每个周期设置为1,然后返回到零后才写入磁盘。 本发明可以随意地从RAID阵列安装,修改和移除,并且这可以在系统运行时完成。
    • 4. 发明授权
    • Method for aligning a cassette pod to an overhead hoist transport system
    • 将盒式盒与顶置式卷扬机输送系统对准的方法
    • US06453574B1
    • 2002-09-24
    • US09820129
    • 2001-03-28
    • Raymond Chen
    • Raymond Chen
    • G01D2100
    • H01L21/68H01L21/67775
    • A method for aligning a cassette pod on the loadport of a process machine to an overhead hoist transport (OHT) system is disclosed. The method can be carried out by marking a first standard reference line on a clean room floor to which the OHT system is aligned, followed by aligning two plumb bobs at two points that are at least 5 cm apart to the first standard reference line on the floor with tips of the plumb bobs suspended over and positioned juxtaposed to the floor. A second standard reference line is then formed by interconnecting the two plumb bobs at an elevation above a top surface of the cassette pod, followed by aligning a center line of the cassette pod to the second standard reference line. The present invention novel method can therefore be executed utilizing simple mechanical equipment without the need of a sophisticated laser alignment system.
    • 公开了一种用于将处理机的装载端口上的盒式盒与顶置式起重机输送(OHT)系统对准的方法。 该方法可以通过在OHT系统对准的洁净室地板上标记第一标准参考线,然后将两个铅锤对准在与第一标准参考线上至少5cm的两个点处 地板上垂下的铅锤的尖端并排并置在地板上。 然后通过在磁带盒顶部表面上方的高度连接两个铅锤,然后将磁带盒的中心线与第二标准参考线对准,形成第二标准参考线。 因此,本发明的新方法可以利用简单的机械设备来执行,而不需要复杂的激光对准系统。
    • 5. 发明申请
    • WRAP-AROUND NAVIGATION
    • 缠绕导航
    • US20130346915A1
    • 2013-12-26
    • US13530625
    • 2012-06-22
    • Holger KuehnleRaymond ChenRebecca Deutsch
    • Holger KuehnleRaymond ChenRebecca Deutsch
    • G06F3/048
    • G06F3/0482G06F3/0485G06F3/04883
    • Embodiments relate to enabling wrap-around of a pannable surface to allow a user to perceive a logical break and to allow some user control over how/when a wrap-around occurs. When a user pans to an edge of a pannable surface (“near” edge), the panning, in some embodiments, is automatically halted or impeded. The user can over-pan the “near” edge, and if a condition is met, then the “distant” edge pans into view, thus effectuating a wrap-around. The condition may be, for example, a threshold distance, speed, inertia, etc. Some embodiments provide a hint or visual “peek” of the “distant” edge as the “near” edge is being over-panned. Some embodiments snap the “near” edge back if the over-pan is ended before the condition is met. The condition may be checked repeatedly during over-panning or it may be checked when the over-pan is terminated by the user.
    • 实施例涉及实现可转换表面的环绕以允许用户感知逻辑断点并且允许一些用户控制如何/何时发生回绕。 当用户平移到可调整表面(“靠近”边缘)的边缘时,在一些实施例中,平移被自动停止或阻止。 用户可以在“靠近”边缘进行平移,如果满足条件,则“遥远”边缘将进入视图,从而实现环绕。 条件可以是例如阈值距离,速度,惯性等。一些实施例提供“远”边缘的提示或视觉“窥视”,因为“近”边缘正在超平移。 如果在满足条件之前结束了平底锅,某些实施例将“靠近”的边缘扣回。 可以在超平移期间重复检查条件,或者当用户终止整个平移时可以检查该情况。
    • 6. 发明授权
    • System and method for improved data protection in PONs
    • PON改进数据保护的系统和方法
    • US08027473B2
    • 2011-09-27
    • US10340651
    • 2003-01-13
    • James StisciaRaymond Chen
    • James StisciaRaymond Chen
    • H04K1/00
    • H04L63/0428
    • Mechanisms for providing a subscriber-side interface with a passive optical network are described herein. An optical network termination (ONT) having an integrated broadband passive optical network processor is utilized to receive downstream data from an optical line termination (OLT) via a passive optical network and provide the contents of the downstream data to one or more subscriber devices via one or more data interfaces. Similarly, the ONT is adapted to receive and transmit upstream data from the one or more subscriber devices to the OLT via the passive optical network. The ONT preferably implements one or more encryption/decryption mechanisms, such as the digital encryption standard (DES), to provide data protection in addition to, or in place of, data churning provided for by the ITU G.983 recommendations.
    • 本文描述了提供与无源光网络的用户侧接口的机制。 利用具有集成宽带无源光网络处理器的光网络终端(ONT),经由无源光网络从光线路终端(OLT)接收下行数据,并通过一个或多个用户设备将下游数据的内容提供给一个或多个用户设备 或更多的数据接口。 类似地,ONT适于经由无源光网络从一个或多个订户设备接收和发送上行数据到OLT。 ONT优选地实现一个或多个加密/解密机制,例如数字加密标准(DES),除了由ITU G.983建议提供的数据转换之外或代替ITU G.983建议提供的数据转换提供数据保护。
    • 8. 发明申请
    • Method and apparatus for measuring signal jitters
    • 用于测量信号抖动的方法和装置
    • US20060126714A1
    • 2006-06-15
    • US11293117
    • 2005-12-05
    • Chun LinHuo ChenRaymond Chen
    • Chun LinHuo ChenRaymond Chen
    • H04B17/00
    • H04L1/205
    • A measuring method for signal jitter comprises the following procedures: First, a first data signal is provided, and the first data signal is deemed equivalent to a second data signal, wherein frequency of the first data signal is a multiple (preferably odd) of that of the second data signal, and at the same time, the ascent and the descent edges of the second data signal are the same as that of the first data signal. The widths of the high and low levels of the second data signal are counted so as to generate an estimated jitter stream including the estimated jitter values of the ascent and the descent edges of the second data signal. Then, jitter distribution diagrams of the ascent and the descent edges are established based on the estimated jitter stream, so as to calculate an eye open (EO) value.
    • 用于信号抖动的测量方法包括以下步骤:首先,提供第一数据信号,并且将第一数据信号视为等同于第二数据信号,其中第一数据信号的频率是该数字信号的倍数(优选奇数) 的第二数据信号,并且同时第二数据信号的上升沿和下降沿与第一数据信号的上升沿和下降沿相同。 对第二数据信号的高电平和低电平的宽度进行计数,以产生包括第二数据信号的上升和下降沿的估计抖动值的估计抖动流。 然后,基于估计的抖动流建立上升沿和下降沿的抖动分布图,以计算眼图(EO)值。
    • 9. 发明授权
    • Alkaline ophthalmic suspensions
    • 碱性眼用悬浮液
    • US5474764A
    • 1995-12-12
    • US248865
    • 1994-05-24
    • Rajesh PatelLyle BowmanMargarita VildaverRaymond Chen
    • Rajesh PatelLyle BowmanMargarita VildaverRaymond Chen
    • A61K9/107A61K9/00A61K47/32A61K31/74A61K9/50
    • A61K9/0048Y10S514/912Y10S514/913Y10S514/914
    • Topical ophthalmic medicament delivery system combining an aqueous ophthalmic gel suspension at a pH equal to or greater than 7.5 and an osmotic pressure of from 10 to about 400 mOsM containing a pharmaceutically effective mount of one or more ophthalmic medicaments of from about 0.05% to about 10% by weight, based on the total weight of the suspension, of a carboxyl-containing polymer prepared by polymerizing one or more carboxyl-containing monoethylenically unsaturated monomers and less then about 5% by weight of a cross-linking agent. The systems have a viscosity of from about 1,000 to about 30,000 centiposes prior to administration to the eye and remain a gel in the eye for a prolonged period of time allowing for the sustained release of one or medicaments such as amine containing antibiotics alone or in combination with cortiscosteroids.
    • 局部眼科药物递送系统,其组合pH为等于或大于7.5的水性眼用凝胶悬浮液和10至约400mOsM的渗透压,所述渗透压含有约0.05%至约10%的药学上有效的一种或多种眼科药物 基于悬浮液的总重量计,通过聚合一种或多种含羧基的单烯属不饱和单体和少于约5%重量的交联剂制备的含羧基聚合物。 该系统在施用于眼睛之前具有约1,000至约30,000厘泊的粘度,并且在眼睛中保持长时间的凝胶,从而允许单独或组合的一种或多种药物如含胺抗生素的持续释放 与皮质类固醇。
    • 10. 发明授权
    • Alkaline ophthalmic suspensions
    • 碱性眼用悬浮液
    • US5340572A
    • 1994-08-23
    • US14512
    • 1993-02-08
    • Rajesh PatelLyle BowmanMargarita VildaverRaymond Chen
    • Rajesh PatelLyle BowmanMargarita VildaverRaymond Chen
    • A61K9/107A61K9/00A61K47/32A61K31/74A61F2/14A61K9/14
    • A61K9/0048Y10S514/912Y10S514/913Y10S514/914
    • Topical ophthalmic medicament delivery system combining an aqueous ophthalmic gel suspension at a pH equal to or greater than 7.5 and an osmotic pressure of from 10 to about 400 mOsM containing a pharmaceutically effective amount of one or more ophthalmic medicaments of from about 0.05% to about 10% by weight, based on the total weight of the suspension, of a carboxyl-containing polymer prepared by polymerizing one or more carboxyl-containing monoethylenically unsaturated monomers and less then about 5% by weight of a cross-linking agent. The systems have a viscosity of from about 1,000 to about 30,000 centiposes prior to administration to the eye and remain a gel in the eye for a prolonged period of time allowing for the sustained release of one or medicaments such as amine containing antibiotics alone or in combination with cortiscosteroids.
    • 局部眼科药物递送系统将pH等于或大于7.5的pH眼用凝胶悬浮液和10至约400mOsM的渗透压组合,所述渗透压含有药学有效量的一种或多种眼用药物,其含量为约0.05%至约10 基于悬浮液的总重量计,通过聚合一种或多种含羧基的单烯属不饱和单体和少于约5%重量的交联剂制备的含羧基聚合物。 该系统在施用于眼睛之前具有约1,000至约30,000厘泊的粘度,并且在眼睛中保持长时间的凝胶,从而允许单独或组合的一种或多种药物如含胺抗生素的持续释放 与皮质类固醇。