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    • 7. 发明授权
    • Systems and methods for identifying potential malware
    • 用于识别潜在恶意软件的系统和方法
    • US08671449B1
    • 2014-03-11
    • US12943923
    • 2010-11-10
    • Carey S. Nachenberg
    • Carey S. Nachenberg
    • G06F11/00G06F12/14G06F13/00G06F17/30G11C7/00G08C23/00
    • G06F21/56H04L63/145
    • A computer-implemented method for identifying potential malware may include (1) identifying a file that is subject to a reputation evaluation, (2) identifying at least one client submission received from at least one computing system that identifies (a) an instance of the file created on the computing system and (b) at least one additional file created on the computing system at substantially the same time as the instance of the file and within the same file path as the instance of the file, (3) identifying a reputation associated with the additional file(s), and then (4) generating a reputation rating for the file based at least in part on the reputation associated with the additional file(s). Various other methods, systems, and computer-readable media are also disclosed.
    • 用于识别潜在恶意软件的计算机实现的方法可以包括(1)识别经受信誉评估的文件,(2)识别从至少一个计算系统接收的至少一个客户端提交,所述至少一个客户端提交标识(a) 文件在计算系统上创建,并且(b)在与文件实例基本上相同的时间在与该文件的实例相同的文件路径内在计算系统上创建的至少一个附加文件,(3)识别信誉 与所述附加文件相关联,然后(4)至少部分地基于与所述附加文件相关联的信誉来生成所述文件的信誉评级。 还公开了各种其它方法,系统和计算机可读介质。
    • 8. 发明授权
    • Method and apparatus for communicating data in a wellbore and for
detecting the influx of gas
    • 用于在井筒中传送数据并用于检测气体的流入的方法和装置
    • US5850369A
    • 1998-12-15
    • US779300
    • 1997-01-06
    • Louis H. RordenAshok PatelJames V. Leggett, IIIFrank Lindsay GibbonsSteven C. Owens
    • Louis H. RordenAshok PatelJames V. Leggett, IIIFrank Lindsay GibbonsSteven C. Owens
    • E21B47/10E21B47/14E21B47/16E21B47/18G01V3/34G08C23/00G08C23/02G01V1/40
    • E21B47/101E21B47/16E21B47/18E21B47/182E21B47/187G08C23/00G08C23/02G08C2201/51Y10S367/912
    • A transducer is described especially for use in providing acoustic transmission in a borehole. The transducer includes a multiple number of magnetic circuit gaps and electrical windings that have been found to provide the power necessary for acoustic operation in a borehole while still meeting the stringent dimensional criteria necessitated by boreholes. Various embodiments conforming to the design are described. Moreover, the invention includes transition and reflector sections, as well as a directional coupler and resonator arrangement particularly adapted for borehole acoustic communication. An acoustic communication system is described especially designed for use in providing acoustic transmission of information in a borehole. The communication system comprises a surface transceiver and at least one downhole transceiver. The surface transceiver operates in conjunction with a host computer that sends commands to the downhole transceiver. Subsequently, the downhole transceiver transmits encoded data from subsurface, borehole sensors to the surface transceiver. The preferred embodiment uses Minimum Shift Keying (MSK) modulation for both transmitting commands to the downhole unit and for transmitting data to the surface transceiver. To facilitate operation of a coherent communication system in the inhospitable environment of a borehole, the acoustic channel is characterized to enable the system to choose the best possible frequency and bandwidth for communication transmission. Additionally, the system achieves synchronous operation by transmitting synchronization signals between the downhole transceiver and the surface transceiver prior to the units exchanging commands and data.
    • 传感器被特别描述用于在井眼中提供声学传播。 换能器包括多个磁路间隙和电绕组,已经发现它们提供了在钻孔中声学操作所必需的功率,同时仍然满足钻孔所需的严格尺寸标准。 描述符合设计的各种实施例。 此外,本发明包括转换和反射器部分,以及特别适用于井眼声通信的定向耦合器和谐振器装置。 描述了特别设计用于在井眼中提供信息的声传播的声学通信系统。 通信系统包括表面收发器和至少一个井下收发器。 地面收发机与向主机发送命令一起工作,向井下收发器发送命令。 随后,井下收发器将地下钻孔传感器的编码数据传输到地面收发器。 优选实施例使用最小移位键控(MSK)调制,用于向井下单元发送命令,并将数据发送到地面收发器。 为了方便在井眼不适宜的环境中的相干通信系统的操作,声通道的特征在于使系统能够选择用于通信传输的最佳可能的频率和带宽。 另外,在单元交换命令和数据之前,系统通过在井下收发器和地面收发器之间传输同步信号来实现同步操作。