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    • 4. 发明申请
    • Production of highly conductive graphitic films from polymer films
    • 从聚合物薄膜生产高导电性石墨膜
    • US20160059444A1
    • 2016-03-03
    • US14121387
    • 2014-08-29
    • Yanbo WangBor Z. JangDavid BurtonLucy FuAruna Zhamu
    • Yanbo WangBor Z. JangDavid BurtonLucy FuAruna Zhamu
    • B29C35/02C01B31/04
    • C01B31/04C01B32/20C01P2006/10C01P2006/32C01P2006/40
    • A one-step (direct graphitization) process for producing a graphitic film, comprising directly feeding a precursor polymer film, without going through a carbonization step, to a graphitization zone preset at a graphitization temperature no less than 2,200° C. for a period of residence time sufficient for converting the precursor polymer film to a porous graphitic film having a density from 0.1 g/cm3 to 1.5 g/cm3 and retreating the porous graphitic film from the graphitization zone. Preferably, the precursor polymer film is selected from the group consisting of polyimide, polyamide, phenolic resin, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzimidazole, polybenzobisimidazole, polyacrylonitrile, and combinations thereof. Preferably, the precursor polymer film contains an amount of graphene sheets or expanded graphite flakes, preferably from 1% to 90% by weight, sufficient for promoting or accelerating graphitization.
    • 用于生产石墨膜的一步(直接石墨化)方法,包括直接将前体聚合物膜直接进料到不经过碳化步骤的石墨化区域,石墨化区域以石墨化温度不低于2200℃预设一段时间 将前体聚合物膜转化为密度为0.1g / cm 3至1.5g / cm 3的多孔石墨膜,并从石墨化区域中回收多孔石墨膜的足够的停留时间。 优选地,前体聚合物膜选自聚酰亚胺,聚酰胺,酚醛树脂,聚恶二唑,聚苯并恶唑,聚苯并双恶唑,聚噻唑,聚苯并噻唑,聚苯并二噻唑,聚(对亚苯基亚乙烯基),聚苯并咪唑,聚苯并双咪唑,聚丙烯腈及其组合。 优选地,前体聚合物膜含有足以促进或加速石墨化的量的石墨烯片或膨胀石墨片,优选为1重量%至90重量%。
    • 5. 发明授权
    • Ultrasound diagnosis and treatment apparatus
    • 超声诊断和治疗仪器
    • US08075488B2
    • 2011-12-13
    • US11813672
    • 2006-05-12
    • David Burton
    • David Burton
    • A61B8/00
    • A61B8/06A61B8/0808A61B8/0833A61B8/488A61B8/582A61N7/02
    • The invention provides apparatus and methods for semi-automatic or automatic imaging or treatment of occlusions in vessels using pulsed or unpulsed focussed sound waves, preferably ultrasound, in Doppler technology. The apparatus comprises at least one sound transducer member including at least one sound-emitting element for producing at least one sound wave beam; means to adjust the parameters of said at least one sound wave beam; means to spatially locate said at least one sound-emitting element; means to move said at least one transducer member; means to control movement of said at least one transducer member automatically or semi-automatically; means to automatically or semi-automatically focus sound waves generated by said at least one sound-emitting element into a beam; and means to accept sound signals from sound-emitting element or elements. The invention provides method for semi-automatically or automatically locating an occlusion in a vessel, including the steps of identifying regions of a body in which emboli might be found are identified; selecting a region of interest for sonication; sonicating the region of interest with at least one sound wave beam by moving said sound beam across the region of interest; receiving reflected sound signals from the region of interest; and calculating the Doppler effect parameters of flow and turbulence from said reflected sound signals.
    • 本发明提供了在多普勒技术中使用脉冲或非脉冲聚焦声波(优选超声波)在血管中半自动或自动成像或治疗闭塞的装置和方法。 该装置包括至少一个声音换能器构件,其包括用于产生至少一个声波波束的至少一个声发射元件; 用于调整所述至少一个声波波束的参数的装置; 用于空间地定位所述至少一个发音元件的装置; 移动所述至少一个换能器构件的装置; 用于自动或半自动地控制所述至少一个换能器构件的运动的装置; 用于将由所述至少一个发音元件产生的声波自动或半自动地聚焦到光束中的装置; 并且用于接收来自发音元件的声音信号的装置。 本发明提供了半自动或自动定位血管中的闭塞的方法,包括识别能够发现栓塞的身体的区域的步骤; 选择感兴趣的区域进行超声处理; 通过在所述感兴趣区域上移动所述声束,用至少一个声波波束来感兴趣的区域; 接收来自感兴趣区域的反射声音信号; 以及从所述反射的声音信号计算流量和湍流的多普勒效应参数。
    • 8. 发明申请
    • Systems and methods of allocating a zone bit recorded disk drive
    • 分配区位记录磁盘驱动器的系统和方法
    • US20070300035A1
    • 2007-12-27
    • US11897431
    • 2007-08-29
    • Michael BrewerDavid BurtonMichael Workman
    • Michael BrewerDavid BurtonMichael Workman
    • G06F12/02
    • G06F3/0659G06F3/0605G06F3/0613G06F3/0631G06F3/0635G06F3/067
    • The invention classifies volumes (e.g., file systems or LUNs) of a data storage system according to application requirements and allocates space for the volumes on storage devices (e.g., hard disk drives) accordingly. A person such as an IT administrator configures the volumes specifying size, type (e.g., file system or SAN LUN), and priority (e.g., high, medium, low, or archive). The host schedules I/O requests to the storage devices in priority queues using the volume definition to match the application requirements and reduce storage seek time between volumes of different priorities. The host also allocates high performance bands of the storage devices to high performance applications and lower performance bands to lower performance applications. In this manner, the data storage system places data on the band of the storage device that best supports its performance needs.
    • 本发明根据应用需求对数据存储系统的卷(例如,文件系统或LUN)进行分类,并相应地为存储设备(例如,硬盘驱动器)上的卷分配空间。 诸如IT管理员之类的人员配置指定大小,类型(例如,文件系统或SAN LUN)以及优先级(例如,高,中,低或归档)的卷。 主机使用卷定义将I / O请求调度到优先级队列中的存储设备,以匹配应用程序需求,并减少不同优先级卷之间的存储寻道时间。 主机还将高性能频段的存储设备分配到高性能应用程序和较低性能频段,以降低性能应用程序。 以这种方式,数据存储系统将数据放置在最能支持其性能需求的存储设备的频带上。
    • 9. 发明申请
    • Methods of prefetching data in data storage systems
    • 在数据存储系统中预取数据的方法
    • US20070260846A1
    • 2007-11-08
    • US11879362
    • 2007-07-16
    • David Burton
    • David Burton
    • G06F12/00
    • G06F12/0862G06F12/0871G06F12/123G06F2201/84G06F2212/284G06F2212/285G06F2212/311
    • The present invention relates to a cache memory management system suitable for use with snapshot applications. The system includes a cache directory including a hash table, hash table elements, cache line descriptors, and cache line functional pointers, and a cache manager running a hashing function that converts a request for data from an application to an index to a first hash table pointer in the hash table. The first hash table pointer in turn points to a first hash table element in a linked list of hash table elements where one of the hash table elements of the linked list of hash table elements points to a first cache line descriptor in the cache directory and a cache memory including a plurality of cache lines, wherein the first cache line descriptor has a one-to-one association with a first cache line. The present invention also provides for a method converting a request for data to an input to a hashing function, addressing a hash table based on a first index output from the hashing function, searching the hash table elements pointed to by the first index for the requested data, determining the requested data is not in cache memory, and allocating a first hash table element and a first cache line descriptor that associates with a first cache line in the cache memory.
    • 本发明涉及适用于快照应用的缓存存储器管理系统。 该系统包括缓存目录,其包括哈希表,哈希表元素,高速缓存行描述符和高速缓存行功能指针,以及运行散列函数的高速缓存管理器,该数据从数据从应用程序转换为索引到第一散列表 指针在哈希表中。 第一哈希表指针又指向哈希表元素的链表中的第一哈希表元素,其中哈希表元素的链表的哈希表元素之一指向高速缓存目录中的第一高速缓存行描述符, 包括多个高速缓存行的高速缓冲存储器,其中第一高速缓存行描述符与第一高速缓存行具有一对一关联。 本发明还提供了一种将数据请求转换为输入到散列函数的方法,基于从散列函数输出的第一索引寻址哈希表,搜索由第一索引指向的哈希表元素中所请求的哈希表元素 确定所请求的数据的数据不在高速缓冲存储器中,并且分配与缓存存储器中的第一高速缓存行相关联的第一散列表元素和第一高速缓存行描述符。